Merge branch 'development' into refactor

.idea/misc.xml

@@ -1,7 +1,6 @@
-<?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

app/build.gradle

@@ -123,9 +123,6 @@ dependencies {
     implementation 'com.google.firebase:firebase-firestore-ktx'
     implementation 'com.google.firebase:firebase-perf-ktx'
     implementation 'com.google.firebase:firebase-config-ktx'
-
-    // Colorpicker
-    implementation 'com.github.skydoves:colorpicker-compose:1.0.2'
 }
 
 // Allow references to generate code

app/src/androidTest/java/be/ugent/sel/studeez/FabTest.kt

@@ -0,0 +1,74 @@
+package be.ugent.sel.studeez
+
+import androidx.compose.material.FloatingActionButton
+import androidx.compose.ui.test.hasClickAction
+import androidx.compose.ui.test.junit4.createComposeRule
+import androidx.compose.ui.test.onNodeWithContentDescription
+import androidx.compose.ui.test.performClick
+import be.ugent.sel.studeez.common.composable.AddButtonActions
+import be.ugent.sel.studeez.common.composable.ExpandedAddButton
+import org.junit.Rule
+import org.junit.Test
+
+class FabTest {
+    @get:Rule
+    val composeTestRule = createComposeRule()
+
+    @Test
+    fun expandFabTest() {
+        var expand = false
+
+        composeTestRule.setContent {
+            FloatingActionButton(
+                onClick = {expand = true}
+            ) {}
+        }
+
+        composeTestRule.waitForIdle()
+
+        composeTestRule
+            .onNode(hasClickAction())
+            .assertExists()
+            .performClick()
+
+        assert(expand)
+    }
+
+    @Test
+    fun fabTest() {
+        var task = false
+        var session = false
+        var friend = false
+
+        composeTestRule.setContent {
+            ExpandedAddButton(
+                addButtonActions = AddButtonActions(
+                    {task = true},
+                    {friend = true},
+                    {session = true}
+                )
+            )
+        }
+
+        composeTestRule.waitForIdle()
+
+        composeTestRule
+            .onNodeWithContentDescription("Session")
+            .assertExists()
+            .performClick()
+
+        composeTestRule
+            .onNodeWithContentDescription("Task")
+            .assertExists()
+            .performClick()
+
+        composeTestRule
+            .onNodeWithContentDescription("Friend")
+            .assertExists()
+            .performClick()
+
+        assert(task)
+        assert(session)
+        assert(friend)
+    }
+}

app/src/androidTest/java/be/ugent/sel/studeez/HomeScreenTest.kt

@@ -0,0 +1,207 @@
+package be.ugent.sel.studeez
+
+import androidx.compose.ui.test.junit4.createComposeRule
+import androidx.compose.ui.test.onAllNodesWithContentDescription
+import androidx.compose.ui.test.onAllNodesWithText
+import androidx.compose.ui.test.onNodeWithContentDescription
+import androidx.compose.ui.test.onNodeWithText
+import androidx.compose.ui.test.performClick
+import be.ugent.sel.studeez.common.composable.drawer.DrawerActions
+import be.ugent.sel.studeez.common.composable.feed.FeedUiState
+import be.ugent.sel.studeez.common.composable.navbar.NavigationBarActions
+import be.ugent.sel.studeez.data.local.models.FeedEntry
+import be.ugent.sel.studeez.screens.home.HomeScreen
+import org.junit.Assert
+import org.junit.Rule
+import org.junit.Test
+
+class HomeScreenTest {
+    @get:Rule
+    val composeTestRule = createComposeRule()
+
+    @Test
+    fun homeScreenTest() {
+        var continueTask = false
+
+        composeTestRule.setContent {
+            HomeScreen(
+                drawerActions = DrawerActions({}, {}, {}, {}, {}),
+                navigationBarActions = NavigationBarActions({false}, {}, {}, {}, {}, {}, {}, {}),
+                feedUiState = FeedUiState.Succes(mapOf(
+                    "08 May 2023" to listOf(
+                        FeedEntry(
+                            argb_color = 0xFFABD200,
+                            subJectName = "Test Subject",
+                            taskName = "Test Task",
+                            totalStudyTime = 600,
+                        )
+                    )
+                )),
+                continueTask = {_, _ -> continueTask = true },
+                onEmptyFeedHelp = {},
+                onViewFriendsClick = {},
+            )
+        }
+
+        composeTestRule.waitForIdle()
+
+        composeTestRule
+            .onNodeWithText(
+                "continue",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        Assert.assertTrue(continueTask)
+    }
+
+    @Test
+    fun drawerTest() {
+        var homebuttontest = false
+        var timersbuttontest = false
+        var settingsbuttontest = false
+        var logoutbuttontest = false
+        var aboutbuttontest = false
+
+        composeTestRule.setContent {
+            HomeScreen(
+                drawerActions = DrawerActions(
+                    {homebuttontest = true},
+                    {timersbuttontest = true},
+                    {settingsbuttontest = true},
+                    {logoutbuttontest = true},
+                    {aboutbuttontest = true}
+                ),
+                navigationBarActions = NavigationBarActions({false}, {}, {}, {}, {}, {}, {}, {}),
+                feedUiState = FeedUiState.Succes(mapOf()),
+                continueTask = {_, _ -> },
+                onEmptyFeedHelp = {},
+                onViewFriendsClick = {},
+            )
+        }
+
+        composeTestRule.waitForIdle()
+
+        composeTestRule
+            .onAllNodesWithText(
+                "home",
+                substring = true,
+                ignoreCase = true
+            )[2] // Third node has the button
+            .assertExists()
+            .performClick()
+
+        composeTestRule
+            .onNodeWithText(
+                "timer",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        composeTestRule
+            .onNodeWithText(
+                "settings",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        composeTestRule
+            .onNodeWithText(
+                "log out",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        composeTestRule
+            .onNodeWithText(
+                "about",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        Assert.assertTrue(homebuttontest)
+        Assert.assertTrue(timersbuttontest)
+        Assert.assertTrue(settingsbuttontest)
+        Assert.assertTrue(logoutbuttontest)
+        Assert.assertTrue(aboutbuttontest)
+    }
+
+    @Test
+    fun navigationbarTest() {
+        var hometest = false
+        var tasktest = false
+        var sessiontest = false
+        var profiletest = false
+
+        composeTestRule.setContent {
+            HomeScreen(
+                drawerActions = DrawerActions({}, {}, {}, {}, {}),
+                navigationBarActions = NavigationBarActions(
+                    {false},
+                    {hometest = true},
+                    {tasktest = true},
+                    {sessiontest = true},
+                    {profiletest = true},
+                    {}, {}, {}
+                ),
+                feedUiState = FeedUiState.Succes(mapOf()),
+                continueTask = {_, _ -> },
+                onEmptyFeedHelp = {},
+                onViewFriendsClick = {},
+            )
+        }
+
+        composeTestRule.waitForIdle()
+
+        composeTestRule
+            .onAllNodesWithContentDescription(
+                "Home",
+                substring = true,
+                ignoreCase = true
+            )[0] // Third node has the button
+            .assertExists()
+            .performClick()
+
+        composeTestRule
+            .onNodeWithContentDescription(
+                "tasks",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        composeTestRule
+            .onNodeWithContentDescription(
+                "session",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        composeTestRule
+            .onNodeWithContentDescription(
+                "profile",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        Assert.assertTrue(hometest)
+        Assert.assertTrue(tasktest)
+        Assert.assertTrue(sessiontest)
+        Assert.assertTrue(profiletest)
+    }
+}

app/src/androidTest/java/be/ugent/sel/studeez/InstrumentedTest.kt

@@ -14,7 +14,7 @@ import org.junit.Assert.*
  * See [testing documentation](http://d.android.com/tools/testing).
  */
 @RunWith(AndroidJUnit4::class)
-class ExampleInstrumentedTest {
+class InstrumentedTest {
     @Test
     fun useAppContext() {
         // Context of the app under test.

app/src/androidTest/java/be/ugent/sel/studeez/LoginScreenTest.kt

@@ -0,0 +1,68 @@
+package be.ugent.sel.studeez
+
+import androidx.compose.ui.test.junit4.createComposeRule
+import androidx.compose.ui.test.onAllNodesWithText
+import androidx.compose.ui.test.onNodeWithText
+import androidx.compose.ui.test.performClick
+import be.ugent.sel.studeez.screens.log_in.LoginScreen
+import be.ugent.sel.studeez.screens.log_in.LoginScreenActions
+import be.ugent.sel.studeez.screens.log_in.LoginUiState
+import org.junit.Rule
+import org.junit.Test
+
+class LoginScreenTest {
+    @get:Rule
+    val composeTestRule = createComposeRule()
+
+    @Test
+    fun loginScreenTest() {
+        var login = false
+        var signup = false
+        var forgot_password = false
+
+        composeTestRule.setContent {
+            LoginScreen(
+                uiState = LoginUiState(),
+                loginScreenActions = LoginScreenActions(
+                    {}, {},
+                    {signup = true},
+                    {login = true},
+                    {forgot_password = true}
+                )
+            )
+        }
+
+        composeTestRule.waitForIdle()
+
+        composeTestRule
+            .onAllNodesWithText(
+                text = "Sign in",
+                substring = true,
+                ignoreCase = true
+            )[0] // The first object is the button
+            .assertExists()
+            .performClick()
+
+        composeTestRule
+            .onNodeWithText(
+                text = "Forgot",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        composeTestRule
+            .onNodeWithText(
+                text = "Sign up",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        assert(signup)
+        assert(login)
+        assert(forgot_password)
+    }
+}

app/src/androidTest/java/be/ugent/sel/studeez/ProfileEditScreenTest.kt

@@ -0,0 +1,70 @@
+package be.ugent.sel.studeez
+
+import androidx.compose.ui.test.assert
+import androidx.compose.ui.test.junit4.createComposeRule
+import androidx.compose.ui.test.onNodeWithContentDescription
+import androidx.compose.ui.test.onNodeWithText
+import androidx.compose.ui.test.performClick
+import be.ugent.sel.studeez.screens.profile.edit_profile.EditProfileActions
+import be.ugent.sel.studeez.screens.profile.edit_profile.EditProfileScreen
+import be.ugent.sel.studeez.screens.profile.edit_profile.ProfileEditUiState
+import org.junit.Rule
+import org.junit.Test
+
+class ProfileEditScreenTest {
+    @get:Rule
+    val composeTestRule = createComposeRule()
+
+    @Test
+    fun profileEditScreenTest() {
+        var edit_save = false
+        var goback = false
+        var delete_click = false
+
+        composeTestRule.setContent {
+            EditProfileScreen(
+                goBack = {goback = true},
+                uiState = ProfileEditUiState(),
+                editProfileActions = EditProfileActions(
+                    onUserNameChange = {},
+                    onBiographyChange = {},
+                    onSaveClick = {edit_save = true},
+                    onDeleteClick = { delete_click = true },
+                ),
+            )
+        }
+
+        composeTestRule.waitForIdle()
+
+        composeTestRule
+            .onNodeWithText(
+                text = "save",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        composeTestRule
+            .onNodeWithText(
+                text = "delete",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        composeTestRule
+            .onNodeWithContentDescription(
+                label = "go back",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        assert(edit_save)
+        assert(goback)
+        assert(delete_click)
+    }
+}

app/src/androidTest/java/be/ugent/sel/studeez/ProfileScreenTest.kt

@@ -0,0 +1,61 @@
+package be.ugent.sel.studeez
+
+import androidx.compose.ui.test.junit4.createComposeRule
+import androidx.compose.ui.test.onNodeWithContentDescription
+import androidx.compose.ui.test.onNodeWithText
+import androidx.compose.ui.test.performClick
+import be.ugent.sel.studeez.common.composable.drawer.DrawerActions
+import be.ugent.sel.studeez.common.composable.navbar.NavigationBarActions
+import be.ugent.sel.studeez.screens.profile.ProfileActions
+import be.ugent.sel.studeez.screens.profile.ProfileScreen
+import kotlinx.coroutines.flow.flowOf
+import org.junit.Rule
+import org.junit.Test
+
+class ProfileScreenTest {
+    @get:Rule
+    val composeTestRule = createComposeRule()
+
+    @Test
+    fun profileScreenTest() {
+        var edit = false
+        var view_friends = false
+
+        composeTestRule.setContent {
+            ProfileScreen(
+                profileActions = ProfileActions(
+                    getUsername = {null},
+                    onEditProfileClick = {edit = true},
+                    getBiography = {null},
+                    getAmountOfFriends = { flowOf(0) },
+                    onViewFriendsClick = {view_friends = true}
+                ),
+                drawerActions = DrawerActions({}, {}, {}, {}, {}),
+                navigationBarActions = NavigationBarActions({ false }, {}, {}, {}, {}, {}, {}, {})
+            )
+        }
+
+        composeTestRule.waitForIdle()
+
+        composeTestRule
+            .onNodeWithContentDescription(
+                label = "edit profile",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        composeTestRule
+            .onNodeWithText(
+                text = "friends",
+                substring = true,
+                ignoreCase = true,
+            )
+            .assertExists()
+            .performClick()
+
+        assert(edit)
+        assert(view_friends)
+    }
+}

app/src/androidTest/java/be/ugent/sel/studeez/SessionRecapScreenTest.kt

@@ -0,0 +1,75 @@
+package be.ugent.sel.studeez
+
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.test.junit4.createComposeRule
+import androidx.compose.ui.test.onNodeWithText
+import androidx.compose.ui.test.performClick
+import be.ugent.sel.studeez.data.local.models.SessionReport
+import be.ugent.sel.studeez.screens.session_recap.SessionRecapActions
+import be.ugent.sel.studeez.screens.session_recap.SessionRecapScreen
+import com.google.firebase.Timestamp
+import org.junit.Assert
+import org.junit.Rule
+import org.junit.Test
+
+
+class SessionRecapScreenTest {
+    @get:Rule
+    val composeTestRule = createComposeRule()
+
+    @Test
+    fun sessionRecapTest() {
+        var saveCalled = false
+        var discardCalled = false
+
+        composeTestRule.setContent {
+            SessionRecapScreen(
+                Modifier,
+                SessionRecapActions(
+                    {
+                        SessionReport(
+                            "",
+                            0,
+                            Timestamp(0, 0),
+                            "")
+                    },
+                    { saveCalled = true },
+                    { discardCalled = true }
+                )
+            )
+        }
+
+        composeTestRule.waitForIdle()
+
+        composeTestRule
+            .onNodeWithText(
+                "You studied",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+
+        composeTestRule
+            .onNodeWithText(
+                "save",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        composeTestRule
+            .onNodeWithText(
+                "discard",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        Assert.assertTrue(saveCalled)
+        Assert.assertTrue(discardCalled)
+    }
+
+
+}

app/src/androidTest/java/be/ugent/sel/studeez/SignUpScreenTest.kt

@@ -0,0 +1,52 @@
+package be.ugent.sel.studeez
+
+import androidx.compose.ui.test.junit4.createComposeRule
+import androidx.compose.ui.test.onAllNodesWithText
+import androidx.compose.ui.test.onNodeWithText
+import androidx.compose.ui.test.performClick
+import be.ugent.sel.studeez.screens.sign_up.SignUpActions
+import be.ugent.sel.studeez.screens.sign_up.SignUpScreen
+import be.ugent.sel.studeez.screens.sign_up.SignUpUiState
+import org.junit.Rule
+import org.junit.Test
+
+class SignUpScreenTest {
+    @get:Rule
+    val composeTestRule = createComposeRule()
+
+    @Test
+    fun signupScreenTest() {
+        var create = false
+        var login = false
+
+        composeTestRule.setContent {
+            SignUpScreen(
+                uiState = SignUpUiState(),
+                signUpActions = SignUpActions({}, {}, {}, {}, {create = true}, {login = true})
+            )
+        }
+
+        composeTestRule.waitForIdle()
+
+        composeTestRule
+            .onNodeWithText(
+                text = "log in",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        composeTestRule
+            .onAllNodesWithText(
+                text = "Create account",
+                substring = true,
+                ignoreCase = true
+            )[0] // First node has the button
+            .assertExists()
+            .performClick()
+
+        assert(login)
+        assert(create)
+    }
+}

app/src/androidTest/java/be/ugent/sel/studeez/SplashScreenTest.kt

@@ -0,0 +1,40 @@
+package be.ugent.sel.studeez
+
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.test.junit4.createComposeRule
+import androidx.compose.ui.test.onAllNodesWithText
+import androidx.compose.ui.test.performClick
+import be.ugent.sel.studeez.screens.splash.SplashScreen
+import org.junit.Rule
+import org.junit.Test
+
+class SplashScreenTest {
+    @get:Rule
+    val composeTestRule = createComposeRule()
+
+    @Test
+    fun splashScreenTest() {
+        var tryAgain = false
+
+        composeTestRule.setContent {
+            SplashScreen(
+                Modifier,
+                {tryAgain = true},
+                true
+            )
+        }
+
+        composeTestRule.waitForIdle()
+
+        composeTestRule
+            .onAllNodesWithText(
+                text = "try again",
+                substring = true,
+                ignoreCase = true
+            )[1] // Second node is the button
+            .assertExists()
+            .performClick()
+
+        assert(tryAgain)
+    }
+}

app/src/androidTest/java/be/ugent/sel/studeez/SubjectScreenTest.kt

@@ -0,0 +1,158 @@
+package be.ugent.sel.studeez
+
+import androidx.compose.ui.test.junit4.createComposeRule
+import androidx.compose.ui.test.onNodeWithContentDescription
+import androidx.compose.ui.test.onNodeWithText
+import androidx.compose.ui.test.performClick
+import be.ugent.sel.studeez.common.composable.DeleteButton
+import be.ugent.sel.studeez.common.composable.drawer.DrawerActions
+import be.ugent.sel.studeez.common.composable.navbar.NavigationBarActions
+import be.ugent.sel.studeez.data.local.models.task.Subject
+import be.ugent.sel.studeez.screens.subjects.SubjectScreen
+import be.ugent.sel.studeez.screens.subjects.SubjectUiState
+import be.ugent.sel.studeez.screens.subjects.form.SubjectForm
+import be.ugent.sel.studeez.screens.subjects.form.SubjectFormUiState
+import kotlinx.coroutines.flow.flowOf
+import org.junit.Rule
+import org.junit.Test
+
+class SubjectScreenTest {
+    @get:Rule
+    val composeTestRule = createComposeRule()
+
+    @Test
+    fun addSubjectScreenTest() {
+        var confirm = false
+        var goback = false
+
+        composeTestRule.setContent {
+            SubjectForm(
+                title = R.string.new_subject,
+                goBack = {goback = true},
+                uiState = SubjectFormUiState(),
+                onConfirm = {confirm = true},
+                onNameChange = {},
+                onColorChange = {},
+            )
+        }
+
+        composeTestRule.waitForIdle()
+
+        composeTestRule
+            .onNodeWithText(
+                text = "confirm",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        composeTestRule
+            .onNodeWithContentDescription(
+                label = "go back",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        assert(confirm)
+        assert(goback)
+    }
+
+    @Test
+    fun editSubjectScreenTest() {
+        var confirm = false
+        var delete = false
+
+        composeTestRule.setContent {
+            SubjectForm(
+                title = R.string.edit_subject,
+                goBack = {},
+                uiState = SubjectFormUiState(
+                    name = "Test Subject",
+                ),
+                onConfirm = {confirm = true},
+                onNameChange = {},
+                onColorChange = {},
+            )
+            DeleteButton(text = R.string.delete_subject) {
+                delete = true
+            }
+        }
+
+        composeTestRule.waitForIdle()
+
+        composeTestRule
+            .onNodeWithText(
+                text = "confirm",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        composeTestRule
+            .onNodeWithText(
+                text = "delete",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        assert(confirm)
+        assert(delete)
+    }
+
+    @Test
+    fun subjectScreenTest() {
+        var view = false
+        var add = false
+
+        composeTestRule.setContent {
+            SubjectScreen(
+                drawerActions = DrawerActions({}, {}, {}, {}, {}),
+                navigationBarActions = NavigationBarActions({false}, {}, {}, {}, {}, {}, {}, {}),
+                onAddSubject = { add = true },
+                onViewSubject = { view = true },
+                getStudyTime = { flowOf() },
+                getCompletedTaskCount = { flowOf() },
+                getTaskCount = { flowOf() },
+                uiState = SubjectUiState.Succes(
+                    listOf(
+                        Subject(
+                            id = "",
+                            name = "Test Subject",
+                            argb_color = 0xFFFFD200,
+                            archived = false
+                        )
+                    )
+                )
+            )
+        }
+
+        composeTestRule.waitForIdle()
+
+        composeTestRule
+            .onNodeWithText(
+                text = "view",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        composeTestRule
+            .onNodeWithText(
+                text = "new subject",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        assert(add)
+        assert(view)
+    }
+}

app/src/androidTest/java/be/ugent/sel/studeez/TaskScreenTest.kt

@@ -0,0 +1,160 @@
+package be.ugent.sel.studeez
+
+import androidx.compose.ui.test.junit4.createComposeRule
+import androidx.compose.ui.test.onNodeWithContentDescription
+import androidx.compose.ui.test.onNodeWithText
+import androidx.compose.ui.test.performClick
+import be.ugent.sel.studeez.common.composable.DeleteButton
+import be.ugent.sel.studeez.data.local.models.task.Subject
+import be.ugent.sel.studeez.data.local.models.task.Task
+import be.ugent.sel.studeez.screens.tasks.TaskActions
+import be.ugent.sel.studeez.screens.tasks.TaskScreen
+import be.ugent.sel.studeez.screens.tasks.form.TaskForm
+import be.ugent.sel.studeez.screens.tasks.form.TaskFormUiState
+import kotlinx.coroutines.flow.flowOf
+import org.junit.Rule
+import org.junit.Test
+
+class TaskScreenTest {
+    @get:Rule
+    val composeTestRule = createComposeRule()
+
+    @Test
+    fun addTaskScreenTest() {
+        var confirm = false
+        var goback = false
+
+        composeTestRule.setContent {
+            TaskForm(
+                title = R.string.new_task,
+                goBack = {goback = true},
+                uiState = TaskFormUiState(),
+                onConfirm = {confirm = true},
+                onNameChange = {},
+            )
+        }
+
+        composeTestRule.waitForIdle()
+
+        composeTestRule
+            .onNodeWithText(
+                text = "confirm",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        composeTestRule
+            .onNodeWithContentDescription(
+                label = "go back",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        assert(confirm)
+        assert(goback)
+    }
+
+    @Test
+    fun editTaskScreenTest() {
+        var confirm = false
+        var delete = false
+
+        composeTestRule.setContent {
+            TaskForm(
+                title = R.string.edit_task,
+                goBack = {},
+                uiState = TaskFormUiState(
+                    name = "Test Task",
+                ),
+                onConfirm = {confirm = true},
+                onNameChange = {},
+            ) {
+                DeleteButton(text = R.string.delete_task) {
+                    delete = true
+                }
+            }
+        }
+
+        composeTestRule.waitForIdle()
+
+        composeTestRule
+            .onNodeWithText(
+                text = "confirm",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        composeTestRule
+            .onNodeWithText(
+                text = "delete",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        assert(confirm)
+        assert(delete)
+    }
+
+    @Test
+    fun taskScreenTest() {
+        var add = false
+        var edit = false
+        var start = false
+
+        composeTestRule.setContent {
+            TaskScreen(
+                goBack = {},
+                taskActions = TaskActions(
+                    {add = true},
+                    { Subject(name = "Test Subject") },
+                    { flowOf(listOf(Task())) },
+                    { _, _ -> run {} },
+                    {edit = true},
+                    {start = true},
+                    {},
+                )
+            )
+        }
+
+        composeTestRule.waitForIdle()
+
+        composeTestRule
+            .onNodeWithContentDescription(
+                label = "edit",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        composeTestRule
+            .onNodeWithText(
+                text = "new",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        composeTestRule
+            .onNodeWithText(
+                text = "start",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        assert(add)
+        assert(edit)
+        assert(start)
+    }
+}

app/src/androidTest/java/be/ugent/sel/studeez/TimerOverviewScreenTest.kt

@@ -0,0 +1,58 @@
+package be.ugent.sel.studeez
+
+import androidx.compose.ui.test.junit4.createComposeRule
+import androidx.compose.ui.test.onNodeWithText
+import androidx.compose.ui.test.performClick
+import be.ugent.sel.studeez.common.composable.drawer.DrawerActions
+import be.ugent.sel.studeez.data.local.models.timer_info.EndlessTimerInfo
+import be.ugent.sel.studeez.screens.timer_overview.TimerOverviewActions
+import be.ugent.sel.studeez.screens.timer_overview.TimerOverviewScreen
+import kotlinx.coroutines.flow.flowOf
+import org.junit.Rule
+import org.junit.Test
+
+class TimerOverviewScreenTest {
+    @get:Rule
+    val composeTestRule = createComposeRule()
+
+    @Test
+    fun timerOverviewScreenTest() {
+        var add = false
+        var edit = false
+
+        composeTestRule.setContent {
+            TimerOverviewScreen(
+                timerOverviewActions = TimerOverviewActions(
+                    { flowOf(listOf(EndlessTimerInfo("", ""))) },
+                    { listOf() },
+                    {edit = true},
+                    {add = true}
+                ),
+                drawerActions = DrawerActions({}, {}, {}, {}, {})
+            )
+        }
+
+        composeTestRule.waitForIdle()
+
+        composeTestRule
+            .onNodeWithText(
+                text = "add",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        composeTestRule
+            .onNodeWithText(
+                text = "edit",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        assert(add)
+        assert(edit)
+    }
+}

app/src/androidTest/java/be/ugent/sel/studeez/TimerSelectionScreenTest.kt

@@ -0,0 +1,40 @@
+package be.ugent.sel.studeez
+
+import androidx.compose.ui.test.junit4.createComposeRule
+import androidx.compose.ui.test.onNodeWithText
+import androidx.compose.ui.test.performClick
+import be.ugent.sel.studeez.screens.timer_selection.TimerSelectionActions
+import be.ugent.sel.studeez.screens.timer_selection.TimerSelectionScreen
+import kotlinx.coroutines.flow.flowOf
+import org.junit.Rule
+import org.junit.Test
+
+class TimerSelectionScreenTest {
+    @get:Rule
+    val composeTestRule = createComposeRule()
+
+    @Test
+    fun timerOverviewScreenTest() {
+        var start = false
+
+        composeTestRule.setContent {
+            TimerSelectionScreen(
+                timerSelectionActions = TimerSelectionActions({ flowOf()}, {start = true}, 0),
+                popUp = {}
+            )
+        }
+
+        composeTestRule.waitForIdle()
+
+        composeTestRule
+            .onNodeWithText(
+                text = "start",
+                substring = true,
+                ignoreCase = true
+            )
+            .assertExists()
+            .performClick()
+
+        assert(start)
+    }
+}

app/src/main/java/be/ugent/sel/studeez/common/composable/ButtonComposable.kt

@@ -2,19 +2,9 @@ package be.ugent.sel.studeez.common.composable
 
 import androidx.annotation.StringRes
 import androidx.compose.foundation.BorderStroke
-import androidx.compose.foundation.layout.Arrangement
-import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.height
-import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.shape.RoundedCornerShape
-import androidx.compose.material.Button
-import androidx.compose.material.ButtonColors
-import androidx.compose.material.ButtonDefaults
-import androidx.compose.material.Icon
-import androidx.compose.material.MaterialTheme
-import androidx.compose.material.Text
-import androidx.compose.material.TextButton
+import androidx.compose.material.*
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Add
 import androidx.compose.runtime.Composable
@@ -31,7 +21,11 @@ import be.ugent.sel.studeez.common.ext.defaultButtonShape
 import be.ugent.sel.studeez.R.string as AppText
 
 @Composable
-fun BasicTextButton(@StringRes text: Int, modifier: Modifier, action: () -> Unit) {
+fun BasicTextButton(
+    @StringRes text: Int,
+    modifier: Modifier,
+    action: () -> Unit
+) {
     TextButton(
         onClick = action,
         modifier = modifier
@@ -48,6 +42,7 @@ fun BasicButton(
     modifier: Modifier = Modifier,
     colors: ButtonColors = ButtonDefaults.buttonColors(),
     border: BorderStroke? = null,
+    enabled: Boolean = true,
     onClick: () -> Unit,
 ) {
     Button(
@@ -56,6 +51,7 @@ fun BasicButton(
         shape = defaultButtonShape(),
         colors = colors,
         border = border,
+        enabled = enabled,
     ) {
         Text(
             text = stringResource(text),
@@ -74,17 +70,22 @@ fun BasicButtonPreview() {
 fun StealthButton(
     @StringRes text: Int,
     modifier: Modifier = Modifier.card(),
+    enabled: Boolean = true,
     onClick: () -> Unit,
 ) {
+    //val clickablemodifier = if (disabled) Modifier.clickable(indication = null) else modifier
+    val borderColor = if (enabled) MaterialTheme.colors.primary
+                      else MaterialTheme.colors.onSurface.copy(alpha = 0.3f)
     BasicButton(
         text = text,
         onClick = onClick,
         modifier = modifier,
+        enabled = enabled,
         colors = ButtonDefaults.buttonColors(
             backgroundColor = MaterialTheme.colors.surface,
-            contentColor = MaterialTheme.colors.onSurface.copy(alpha = 0.4f)
+            contentColor = borderColor
         ),
-        border = BorderStroke(3.dp, MaterialTheme.colors.onSurface.copy(alpha = 0.4f))
+        border = BorderStroke(2.dp, borderColor)
     )
 }
 

app/src/main/java/be/ugent/sel/studeez/common/composable/FloatingActionButtonComposable.kt

@@ -2,7 +2,6 @@ package be.ugent.sel.studeez.common.composable
 
 import androidx.compose.animation.core.animateFloat
 import androidx.compose.animation.core.updateTransition
-import androidx.compose.foundation.border
 import androidx.compose.foundation.layout.*
 import androidx.compose.material.FloatingActionButton
 import androidx.compose.material.Icon

app/src/main/java/be/ugent/sel/studeez/common/composable/FormComposable.kt

@@ -0,0 +1,22 @@
+package be.ugent.sel.studeez.common.composable
+
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+
+@Composable
+fun FormComposable(
+    title: String,
+    popUp: () -> Unit,
+    content: @Composable () -> Unit,
+) {
+    SecondaryScreenTemplate(title = title, popUp = popUp) {
+        Box(
+            modifier = Modifier.verticalScroll(rememberScrollState()),
+        ) {
+            content()
+        }
+    }
+}

app/src/main/java/be/ugent/sel/studeez/common/composable/ImageComposable.kt

@@ -0,0 +1,39 @@
+package be.ugent.sel.studeez.common.composable
+
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.border
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.painter.Painter
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun ImageBackgroundButton(
+    paint: Painter,
+    str: String,
+    background2: Color,
+    setBackground1: (Color) -> Unit,
+    setBackground2: (Color) -> Unit
+) {
+    Image(
+        painter = paint,
+        str,
+        modifier = Modifier
+            .clickable {
+                if (background2 == Color.Transparent) {
+                    setBackground1(Color.LightGray)
+                    setBackground2(Color.Transparent)
+                } else {
+                    setBackground2(Color.Transparent)
+                }
+            }
+            .border(
+                width = 2.dp,
+                color = background2,
+                shape = RoundedCornerShape(16.dp)
+            )
+    )
+}

app/src/main/java/be/ugent/sel/studeez/common/composable/ProfilePictureComposable.kt

@@ -0,0 +1,44 @@
+package be.ugent.sel.studeez.common.composable
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.material.Icon
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Person
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import be.ugent.sel.studeez.R
+import be.ugent.sel.studeez.ui.theme.StudeezTheme
+
+@Composable
+fun ProfilePicture() {
+    Box(
+        modifier = Modifier
+            .size(40.dp)
+            .background(MaterialTheme.colors.primary, CircleShape)
+    ) {
+        Icon(
+            imageVector = Icons.Default.Person,
+            contentDescription = stringResource(id = R.string.username),
+            modifier = Modifier
+                .size(30.dp)
+                .align(Alignment.Center),
+            tint = MaterialTheme.colors.onPrimary
+        )
+    }
+}
+
+@Preview
+@Composable
+fun ProfilePicturePreview() {
+    StudeezTheme {
+        ProfilePicture()
+    }
+}

app/src/main/java/be/ugent/sel/studeez/common/composable/TextComposable.kt

@@ -3,10 +3,13 @@ package be.ugent.sel.studeez.common.composable
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
 import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 
 @Composable
@@ -24,3 +27,13 @@ fun Headline(
         )
     }
 }
+
+@Composable
+fun DateText(date: String) {
+    Text(
+        text = date,
+        fontWeight = FontWeight.Medium,
+        fontSize = 20.sp,
+        modifier = Modifier.padding(horizontal = 10.dp)
+    )
+}

app/src/main/java/be/ugent/sel/studeez/common/composable/TextFieldComposable.kt

@@ -3,13 +3,13 @@ package be.ugent.sel.studeez.common.composable
 import androidx.annotation.StringRes
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.text.KeyboardActions
 import androidx.compose.foundation.text.KeyboardOptions
 import androidx.compose.material.*
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Email
 import androidx.compose.material.icons.filled.Lock
 import androidx.compose.material.icons.filled.Person
+import androidx.compose.material.icons.filled.Search
 import androidx.compose.runtime.*
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.painterResource
@@ -22,7 +22,6 @@ import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import be.ugent.sel.studeez.common.ext.fieldModifier
 import be.ugent.sel.studeez.resources
-import kotlin.math.sin
 import be.ugent.sel.studeez.R.drawable as AppIcon
 import be.ugent.sel.studeez.R.string as AppText
 
@@ -47,7 +46,7 @@ fun LabelledInputField(
     value: String,
     onNewValue: (String) -> Unit,
     @StringRes label: Int,
-    singleLine: Boolean = false
+    singleLine: Boolean = true
 ) {
     OutlinedTextField(
         value = value,
@@ -119,7 +118,9 @@ fun LabeledErrorTextField(
     initialValue: String,
     @StringRes label: Int,
     singleLine: Boolean = false,
-    errorText: Int,
+    isValid: MutableState<Boolean> = remember { mutableStateOf(true) },
+    isFirst: MutableState<Boolean> = remember { mutableStateOf(false) },
+    @StringRes errorText: Int,
     keyboardType: KeyboardType,
     predicate: (String) -> Boolean,
     onNewCorrectValue: (String) -> Unit
@@ -128,31 +129,28 @@ fun LabeledErrorTextField(
         mutableStateOf(initialValue)
     }
 
-    var isValid by remember {
-        mutableStateOf(predicate(value))
-    }
-
     Column {
         OutlinedTextField(
             modifier = modifier.fieldModifier(),
             value = value,
             onValueChange = { newText ->
+                isFirst.value = false
                 value = newText
-                isValid = predicate(value)
-                if (isValid) {
+                isValid.value = predicate(value)
+                if (isValid.value) {
                     onNewCorrectValue(newText)
                 }
             },
             singleLine = singleLine,
             label = { Text(text = stringResource(id = label)) },
-            isError = !isValid,
+            isError = !isValid.value && !isFirst.value,
             keyboardOptions = KeyboardOptions(
                 keyboardType = keyboardType,
                 imeAction = ImeAction.Done
             )
         )
 
-        if (!isValid) {
+        if (!isValid.value && !isFirst.value) {
             Text(
                 modifier = Modifier.padding(start = 16.dp),
                 text = stringResource(id = errorText),
@@ -219,3 +217,35 @@ private fun PasswordField(
         visualTransformation = visualTransformation
     )
 }
+
+@Composable
+fun SearchField(
+    value: String,
+    onValueChange: (String) -> Unit,
+    onSubmit: () -> Unit,
+    @StringRes label: Int,
+    modifier: Modifier = Modifier,
+    enabled: Boolean = true
+) {
+    OutlinedTextField(
+        value = value,
+        onValueChange = onValueChange,
+        modifier = modifier,
+        enabled = enabled,
+        label = { Text(text = stringResource(id = label)) },
+        trailingIcon = {
+            IconButton(onClick = onSubmit) {
+                Icon(
+                    imageVector = Icons.Default.Search,
+                    contentDescription = stringResource(label),
+                    tint = MaterialTheme.colors.primary
+                )
+            }
+        },
+        singleLine = true,
+        colors = TextFieldDefaults.outlinedTextFieldColors(
+            textColor = MaterialTheme.colors.onBackground,
+            backgroundColor = MaterialTheme.colors.background
+        )
+    )
+}

app/src/main/java/be/ugent/sel/studeez/common/composable/feed/Feed.kt

@@ -0,0 +1,160 @@
+package be.ugent.sel.studeez.common.composable.feed
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.material.CircularProgressIndicator
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import be.ugent.sel.studeez.common.composable.BasicTextButton
+import be.ugent.sel.studeez.common.composable.DateText
+import be.ugent.sel.studeez.common.composable.Headline
+import be.ugent.sel.studeez.common.ext.textButton
+import be.ugent.sel.studeez.data.local.models.FeedEntry
+import be.ugent.sel.studeez.data.local.models.timer_functional.HoursMinutesSeconds
+import be.ugent.sel.studeez.R.string as AppText
+
+@Composable
+fun Feed(
+    uiState: FeedUiState,
+    continueTask: (String, String) -> Unit,
+    onEmptyFeedHelp: () -> Unit
+) {
+    when (uiState) {
+        FeedUiState.Loading -> LoadingFeed()
+        is FeedUiState.Succes -> LoadedFeed(
+            uiState = uiState,
+            continueTask = continueTask,
+            onEmptyFeedHelp = onEmptyFeedHelp
+        )
+    }
+}
+
+@Composable
+fun LoadedFeed(
+    uiState: FeedUiState.Succes,
+    continueTask: (String, String) -> Unit,
+    onEmptyFeedHelp: () -> Unit,
+) {
+    if (uiState.feedEntries.isEmpty()) EmptyFeed(onEmptyFeedHelp)
+    else FeedWithElements(uiState = uiState, continueTask = continueTask)
+}
+
+@Composable
+fun LoadingFeed() {
+    Column(
+        modifier = Modifier
+            .fillMaxWidth()
+            .fillMaxHeight(),
+        verticalArrangement = Arrangement.Center,
+        horizontalAlignment = Alignment.CenterHorizontally
+    ) {
+        CircularProgressIndicator(color = MaterialTheme.colors.onBackground)
+    }
+}
+
+@Composable
+fun FeedWithElements(
+    uiState: FeedUiState.Succes,
+    continueTask: (String, String) -> Unit,
+) {
+    val feedEntries = uiState.feedEntries
+    LazyColumn {
+        items(feedEntries.toList()) { (date, feedEntries) ->
+            Row(
+                horizontalArrangement = Arrangement.SpaceBetween,
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(10.dp),
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                val totalDayStudyTime: Int = feedEntries.sumOf { it.totalStudyTime }
+                DateText(date = date)
+                Text(
+                    text = "${HoursMinutesSeconds(totalDayStudyTime)}",
+                    fontSize = 15.sp,
+                    fontWeight = FontWeight.Medium
+                )
+            }
+            feedEntries.forEach { feedEntry ->
+                FeedEntry(feedEntry = feedEntry) {
+                    continueTask(feedEntry.subjectId, feedEntry.taskId)
+                }
+            }
+            Spacer(modifier = Modifier.height(20.dp))
+        }
+    }
+}
+
+@Composable
+fun EmptyFeed(onEmptyFeedHelp: () -> Unit) {
+    Box(modifier = Modifier.fillMaxSize(), contentAlignment = Alignment.Center) {
+        Column(
+            horizontalAlignment = Alignment.CenterHorizontally,
+            modifier = Modifier.fillMaxWidth()
+        ) {
+            Headline(text = stringResource(id = AppText.your_feed))
+
+            BasicTextButton(
+                AppText.empty_feed_help_text,
+                Modifier.textButton(),
+                action = onEmptyFeedHelp,
+            )
+        }
+    }
+}
+
+@Preview
+@Composable
+fun FeedLoadingPreview() {
+    Feed(
+        uiState = FeedUiState.Loading,
+        continueTask = { _, _ -> run {} }, {}
+    )
+}
+
+@Preview
+@Composable
+fun FeedPreview() {
+    Feed(
+        uiState = FeedUiState.Succes(
+            mapOf(
+                "08 May 2023" to listOf(
+                    FeedEntry(
+                        argb_color = 0xFFFFD200,
+                        subJectName = "Test Subject",
+                        taskName = "Test Task",
+                        totalStudyTime = 600,
+                    ),
+                    FeedEntry(
+                        argb_color = 0xFFFFD200,
+                        subJectName = "Test Subject",
+                        taskName = "Test Task",
+                        totalStudyTime = 20,
+                    ),
+                ),
+                "09 May 2023" to listOf(
+                    FeedEntry(
+                        argb_color = 0xFFFD1200,
+                        subJectName = "Test Subject",
+                        taskName = "Test Task",
+                    ),
+                    FeedEntry(
+                        argb_color = 0xFFFFD200,
+                        subJectName = "Test Subject",
+                        taskName = "Test Task",
+                    ),
+                )
+            )
+        ),
+        continueTask = { _, _ -> run {} }, {}
+    )
+}

app/src/main/java/be/ugent/sel/studeez/common/composable/feed/FeedEntry.kt

@@ -0,0 +1,116 @@
+package be.ugent.sel.studeez.common.composable.feed
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.material.Card
+import androidx.compose.material.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import be.ugent.sel.studeez.common.composable.StealthButton
+import be.ugent.sel.studeez.data.local.models.FeedEntry
+import be.ugent.sel.studeez.data.local.models.timer_functional.HoursMinutesSeconds
+import be.ugent.sel.studeez.R.string as AppText
+
+@Composable
+fun FeedEntry(
+    feedEntry: FeedEntry,
+    continueWithTask: () -> Unit,
+) {
+    Card(
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(horizontal = 10.dp, vertical = 5.dp),
+    ) {
+        Row(
+            horizontalArrangement = Arrangement.SpaceBetween,
+            verticalAlignment = Alignment.CenterVertically,
+        ) {
+            Row(
+                horizontalArrangement = Arrangement.spacedBy(8.dp),
+                verticalAlignment = Alignment.CenterVertically,
+                modifier = Modifier
+                    .padding(start = 10.dp)
+                    .weight(11f)
+            ) {
+                Box(
+                    modifier = Modifier
+                        .size(20.dp)
+                        .clip(CircleShape)
+                        .background(Color(feedEntry.argb_color)),
+                )
+                Row(
+                    modifier = Modifier.fillMaxWidth(),
+                    horizontalArrangement = Arrangement.SpaceBetween,
+                    verticalAlignment = Alignment.CenterVertically,
+                ) {
+                    Column(
+                        verticalArrangement = Arrangement.spacedBy(0.dp)
+                    ) {
+                        Text(
+                            text = feedEntry.subJectName,
+                            fontWeight = FontWeight.Medium,
+                            overflow = TextOverflow.Ellipsis,
+                            maxLines = 1,
+                        )
+                        Text(
+                            text = feedEntry.taskName,
+                            overflow = TextOverflow.Ellipsis,
+                            maxLines = 1,
+                        )
+                    }
+                    Text(text = HoursMinutesSeconds(feedEntry.totalStudyTime).toString())
+                }
+            }
+            val buttonText: Int =
+                if (feedEntry.isArchived) AppText.deleted else AppText.continue_task
+            StealthButton(
+                text = buttonText,
+                enabled = !feedEntry.isArchived,
+                modifier = Modifier
+                    .padding(start = 10.dp, end = 5.dp)
+                    .weight(6f)
+            ) {
+                if (!feedEntry.isArchived) {
+                    continueWithTask()
+                }
+            }
+
+        }
+    }
+}
+
+@Preview
+@Composable
+fun FeedEntryPreview() {
+    FeedEntry(
+        continueWithTask = {},
+        feedEntry = FeedEntry(
+            argb_color = 0xFFFFD200,
+            subJectName = "Test Subject",
+            taskName = "Test Task",
+            totalStudyTime = 20,
+        )
+    )
+}
+
+@Preview
+@Composable
+fun FeedEntryOverflowPreview() {
+    FeedEntry(
+        continueWithTask = {},
+        feedEntry = FeedEntry(
+            argb_color = 0xFFFFD200,
+            subJectName = "Test Subject",
+            taskName = "Test Taskkkkkkkkkkkkkkkkkkkkkkkkk",
+            totalStudyTime = 20,
+        )
+    )
+}

app/src/main/java/be/ugent/sel/studeez/common/composable/feed/FeedUiState.kt

@@ -0,0 +1,8 @@
+package be.ugent.sel.studeez.common.composable.feed
+
+import be.ugent.sel.studeez.data.local.models.FeedEntry
+
+sealed interface FeedUiState {
+    object Loading : FeedUiState
+    data class Succes(val feedEntries: Map<String, List<FeedEntry>>) : FeedUiState
+}

app/src/main/java/be/ugent/sel/studeez/common/composable/feed/FeedViewModel.kt

@@ -0,0 +1,45 @@
+package be.ugent.sel.studeez.common.composable.feed
+
+import androidx.lifecycle.viewModelScope
+import be.ugent.sel.studeez.data.SelectedTask
+import be.ugent.sel.studeez.domain.FeedDAO
+import be.ugent.sel.studeez.domain.LogService
+import be.ugent.sel.studeez.domain.TaskDAO
+import be.ugent.sel.studeez.navigation.StudeezDestinations
+import be.ugent.sel.studeez.screens.StudeezViewModel
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.SharingStarted
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.flow.stateIn
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+@HiltViewModel
+class FeedViewModel @Inject constructor(
+    feedDAO: FeedDAO,
+    private val taskDAO: TaskDAO,
+    private val selectedTask: SelectedTask,
+    logService: LogService
+) : StudeezViewModel(logService) {
+
+    val uiState: StateFlow<FeedUiState> = feedDAO.getFeedEntries()
+        .map { FeedUiState.Succes(it) }
+        .stateIn(
+            scope = viewModelScope,
+            initialValue = FeedUiState.Loading,
+            started = SharingStarted.Eagerly,
+        )
+
+    fun continueTask(open: (String) -> Unit, subjectId: String, taskId: String) {
+        viewModelScope.launch {
+            val task = taskDAO.getTask(subjectId, taskId)
+            selectedTask.set(task)
+            open(StudeezDestinations.TIMER_SELECTION_SCREEN)
+        }
+    }
+
+    fun onEmptyFeedHelp(open: (String) -> Unit) {
+        open(StudeezDestinations.ADD_SUBJECT_FORM)
+    }
+}

app/src/main/java/be/ugent/sel/studeez/common/composable/navbar/NavigationBarComposable.kt

@@ -8,13 +8,15 @@ import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Check
 import androidx.compose.material.icons.filled.List
 import androidx.compose.material.icons.filled.Person
+import androidx.compose.material.icons.outlined.Check
 import androidx.compose.material.icons.outlined.DateRange
+import androidx.compose.material.icons.outlined.Face
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
+import be.ugent.sel.studeez.navigation.StudeezDestinations.FRIENDS_FEED
 import be.ugent.sel.studeez.navigation.StudeezDestinations.HOME_SCREEN
 import be.ugent.sel.studeez.navigation.StudeezDestinations.PROFILE_SCREEN
-import be.ugent.sel.studeez.navigation.StudeezDestinations.SESSIONS_SCREEN
 import be.ugent.sel.studeez.navigation.StudeezDestinations.SUBJECT_SCREEN
 import be.ugent.sel.studeez.resources
 import be.ugent.sel.studeez.ui.theme.StudeezTheme
@@ -99,11 +101,11 @@ fun NavigationBar(
         BottomNavigationItem(
             icon = {
                 Icon(
-                    imageVector = Icons.Outlined.DateRange, resources().getString(AppText.sessions)
+                    imageVector = Icons.Outlined.Face, resources().getString(AppText.friends_feed)
                 )
             },
-            label = { Text(text = resources().getString(AppText.sessions)) },
-            selected = navigationBarActions.isSelectedTab(SESSIONS_SCREEN),
+            label = { Text(text = resources().getString(AppText.friends_feed)) },
+            selected = navigationBarActions.isSelectedTab(FRIENDS_FEED),
             onClick = navigationBarActions.onSessionsClick
         )
 

app/src/main/java/be/ugent/sel/studeez/common/composable/navbar/NavigationBarViewModel.kt

@@ -2,9 +2,11 @@ package be.ugent.sel.studeez.common.composable.navbar
 
 import be.ugent.sel.studeez.common.snackbar.SnackbarManager
 import be.ugent.sel.studeez.domain.LogService
+import be.ugent.sel.studeez.navigation.StudeezDestinations.FRIENDS_FEED
 import be.ugent.sel.studeez.navigation.StudeezDestinations.HOME_SCREEN
 import be.ugent.sel.studeez.navigation.StudeezDestinations.PROFILE_SCREEN
-import be.ugent.sel.studeez.navigation.StudeezDestinations.SESSIONS_SCREEN
+import be.ugent.sel.studeez.navigation.StudeezDestinations.SEARCH_FRIENDS_SCREEN
+import be.ugent.sel.studeez.navigation.StudeezDestinations.SELECT_SUBJECT
 import be.ugent.sel.studeez.navigation.StudeezDestinations.SUBJECT_SCREEN
 import be.ugent.sel.studeez.screens.StudeezViewModel
 import dagger.hilt.android.lifecycle.HiltViewModel
@@ -25,7 +27,7 @@ class NavigationBarViewModel @Inject constructor(
     }
 
     fun onSessionsClick(open: (String) -> Unit) {
-        open(SESSIONS_SCREEN)
+        open(FRIENDS_FEED)
     }
 
     fun onProfileClick(open: (String) -> Unit) {
@@ -33,13 +35,11 @@ class NavigationBarViewModel @Inject constructor(
     }
 
     fun onAddTaskClick(open: (String) -> Unit) {
-        // TODO open(CREATE_TASK_SCREEN)
-        SnackbarManager.showMessage(AppText.create_task_not_possible_yet) // TODO Remove
+        open(SELECT_SUBJECT)
     }
 
     fun onAddFriendClick(open: (String) -> Unit) {
-        // TODO open(SEARCH_FRIENDS_SCREEN)
-        SnackbarManager.showMessage(AppText.add_friend_not_possible_yet) // TODO Remove
+        open(SEARCH_FRIENDS_SCREEN)
     }
 
     fun onAddSessionClick(open: (String) -> Unit) {

app/src/main/java/be/ugent/sel/studeez/common/composable/tasks/SubjectEntry.kt

@@ -1,20 +1,17 @@
 package be.ugent.sel.studeez.common.composable.tasks
 
 import androidx.compose.foundation.background
-import androidx.compose.foundation.layout.Arrangement
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.material.Card
 import androidx.compose.material.Icon
+import androidx.compose.material.MaterialTheme
 import androidx.compose.material.Text
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.List
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
@@ -24,16 +21,24 @@ import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
-import be.ugent.sel.studeez.R.string as AppText
 import be.ugent.sel.studeez.common.composable.StealthButton
 import be.ugent.sel.studeez.data.local.models.task.Subject
 import be.ugent.sel.studeez.data.local.models.timer_functional.HoursMinutesSeconds
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.flowOf
+import be.ugent.sel.studeez.R.string as AppText
 
 @Composable
 fun SubjectEntry(
     subject: Subject,
-    onViewSubject: () -> Unit,
+    getTaskCount: () -> Flow<Int>,
+    getCompletedTaskCount: () -> Flow<Int>,
+    getStudyTime: () -> Flow<Int>,
+    selectButton: @Composable (RowScope) -> Unit,
 ) {
+    val studytime by getStudyTime().collectAsState(initial = 0)
+    val taskCount by getTaskCount().collectAsState(initial = 0)
+    val completedTaskCount by getCompletedTaskCount().collectAsState(initial = 0)
     Card(
         modifier = Modifier
             .fillMaxWidth()
@@ -61,16 +66,17 @@ fun SubjectEntry(
                 ) {
                     Text(
                         text = subject.name,
-                        fontWeight = FontWeight.Bold,
                         overflow = TextOverflow.Ellipsis,
                         maxLines = 1,
+                        fontWeight = FontWeight.Medium
                     )
                     Row(
                         horizontalArrangement = Arrangement.spacedBy(10.dp),
-                        verticalAlignment = Alignment.CenterVertically,
+                        verticalAlignment = Alignment.CenterVertically
                     ) {
                         Text(
-                            text = HoursMinutesSeconds(subject.time).toString(),
+                            text = HoursMinutesSeconds(studytime).toString(),
+                            color = MaterialTheme.colors.onBackground.copy(alpha = 0.6f)
                         )
                         Row(
                             verticalAlignment = Alignment.CenterVertically,
@@ -78,21 +84,18 @@ fun SubjectEntry(
                         ) {
                             Icon(
                                 imageVector = Icons.Default.List,
-                                contentDescription = stringResource(id = AppText.tasks)
+                                contentDescription = stringResource(id = AppText.tasks),
+                                tint = MaterialTheme.colors.onBackground.copy(alpha = 0.6f)
+                            )
+                            Text(
+                                text = "${completedTaskCount}/${taskCount}",
+                                color = MaterialTheme.colors.onBackground.copy(alpha = 0.6f)
                             )
-                            Text(text = "0/0") // TODO
                         }
                     }
                 }
             }
-            StealthButton(
-                text = AppText.view_tasks,
-                modifier = Modifier
-                    .padding(start = 10.dp, end = 5.dp)
-                    .weight(1f)
-            ) {
-                onViewSubject()
-            }
+            selectButton(this)
         }
     }
 }
@@ -104,10 +107,18 @@ fun SubjectEntryPreview() {
         subject = Subject(
             name = "Test Subject",
             argb_color = 0xFFFFD200,
-            time = 60
         ),
+        getTaskCount = { flowOf() },
+        getCompletedTaskCount = { flowOf() },
+        getStudyTime = { flowOf() },
+    ) {
+        StealthButton(
+            text = AppText.view_tasks,
+            modifier = Modifier
+                .padding(start = 10.dp, end = 5.dp)
         ) {}
     }
+}
 
 @Preview
 @Composable
@@ -116,7 +127,9 @@ fun OverflowSubjectEntryPreview() {
         subject = Subject(
             name = "Testttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt",
             argb_color = 0xFFFFD200,
-            time = 60
         ),
+        getTaskCount = { flowOf() },
+        getCompletedTaskCount = { flowOf() },
+        getStudyTime = { flowOf() },
     ) {}
 }

app/src/main/java/be/ugent/sel/studeez/common/composable/tasks/TaskEntry.kt

@@ -1,17 +1,7 @@
 package be.ugent.sel.studeez.common.composable.tasks
 
-import androidx.compose.foundation.layout.Arrangement
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.padding
-import androidx.compose.material.Card
-import androidx.compose.material.Checkbox
-import androidx.compose.material.CheckboxDefaults
-import androidx.compose.material.Icon
-import androidx.compose.material.IconButton
-import androidx.compose.material.MaterialTheme
-import androidx.compose.material.Text
+import androidx.compose.foundation.layout.*
+import androidx.compose.material.*
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Delete
 import androidx.compose.runtime.Composable
@@ -31,7 +21,8 @@ import be.ugent.sel.studeez.resources
 fun TaskEntry(
     task: Task,
     onCheckTask: (Boolean) -> Unit,
-    onDeleteTask: () -> Unit,
+    onArchiveTask: () -> Unit,
+    onStartTask: () -> Unit
 ) {
     Card(
         modifier = Modifier
@@ -80,7 +71,7 @@ fun TaskEntry(
             Box(modifier = Modifier.weight(7f)) {
                 if (task.completed) {
                     IconButton(
-                        onClick = onDeleteTask,
+                        onClick = onArchiveTask,
                         modifier = Modifier
                             .padding(start = 20.dp)
                     ) {
@@ -95,6 +86,7 @@ fun TaskEntry(
                         modifier = Modifier
                             .padding(end = 5.dp),
                     ) {
+                        onStartTask()
                     }
                 }
             }
@@ -110,7 +102,7 @@ fun TaskEntryPreview() {
             name = "Test Task",
             completed = false,
         ),
-        {}, {},
+        {}, {}, {}
     )
 }
 
@@ -122,7 +114,7 @@ fun CompletedTaskEntryPreview() {
             name = "Test Task",
             completed = true,
         ),
-        {}, {},
+        {}, {}, {},
     )
 }
 
@@ -134,6 +126,6 @@ fun OverflowTaskEntryPreview() {
             name = "Test Taskkkkkkkkkkkkkkkkkkkkkkkkkkk",
             completed = false,
         ),
-        {}, {},
+        {}, {}, {}
     )
 }

app/src/main/java/be/ugent/sel/studeez/common/ext/ColorExt.kt

@@ -0,0 +1,10 @@
+package be.ugent.sel.studeez.common.ext
+
+import androidx.compose.ui.graphics.Color
+import kotlin.random.Random
+
+fun Color.Companion.generateRandomArgb(): Long {
+    val random = Random
+    val mask: Long = (0x000000FFL shl random.nextInt(0, 3)).inv()
+    return random.nextLong(0xFF000000L, 0xFFFFFFFFL) and mask
+}

app/src/main/java/be/ugent/sel/studeez/data/EditTimerState.kt

@@ -1,11 +0,0 @@
-package be.ugent.sel.studeez.data
-
-import be.ugent.sel.studeez.data.local.models.timer_functional.FunctionalTimer
-import be.ugent.sel.studeez.data.local.models.timer_info.TimerInfo
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class EditTimerState @Inject constructor(){
-    lateinit var timerInfo: TimerInfo
-}

app/src/main/java/be/ugent/sel/studeez/data/SelectedState.kt

@@ -0,0 +1,53 @@
+package be.ugent.sel.studeez.data
+
+import be.ugent.sel.studeez.data.local.models.SessionReport
+import be.ugent.sel.studeez.data.local.models.task.Subject
+import be.ugent.sel.studeez.data.local.models.task.Task
+import be.ugent.sel.studeez.data.local.models.timer_functional.FunctionalTimer
+import be.ugent.sel.studeez.data.local.models.timer_info.TimerInfo
+import be.ugent.sel.studeez.domain.UserDAO
+import javax.inject.Inject
+import javax.inject.Singleton
+
+/**
+ * Used to cummunicate between viewmodels.
+ */
+abstract class SelectedState<T> {
+    abstract var value: T
+    operator fun invoke() = value
+    fun set(newValue: T) {
+        this.value = newValue
+    }
+}
+
+@Singleton
+class SelectedSessionReport @Inject constructor() : SelectedState<SessionReport>() {
+    override lateinit var value: SessionReport
+}
+
+@Singleton
+class SelectedTask @Inject constructor() : SelectedState<Task>() {
+    override lateinit var value: Task
+}
+
+@Singleton
+class SelectedTimer @Inject constructor() : SelectedState<FunctionalTimer>() {
+    override lateinit var value: FunctionalTimer
+}
+
+@Singleton
+class SelectedSubject @Inject constructor() : SelectedState<Subject>() {
+    override lateinit var value: Subject
+}
+
+@Singleton
+class SelectedTimerInfo @Inject constructor() : SelectedState<TimerInfo>() {
+    override lateinit var value: TimerInfo
+}
+
+@Singleton
+class SelectedUserId @Inject constructor(
+    userDAO: UserDAO
+): SelectedState<String>() {
+    override var value: String = userDAO.getCurrentUserId()
+}

app/src/main/java/be/ugent/sel/studeez/data/SelectedSubject.kt

@@ -1,20 +0,0 @@
-package be.ugent.sel.studeez.data
-
-import be.ugent.sel.studeez.data.local.models.task.Subject
-import javax.inject.Inject
-import javax.inject.Singleton
-
-/**
- * Used to communicate the selected subject from the subject overview other screens.
- * Because this is a singleton-class the view-models of both screens observe the same data.
- */
-@Singleton
-class SelectedSubject @Inject constructor() {
-    private lateinit var subject: Subject
-    operator fun invoke() = subject
-    fun set(subject: Subject) {
-        this.subject = subject
-    }
-
-    fun isSet() = this::subject.isInitialized
-}

app/src/main/java/be/ugent/sel/studeez/data/SelectedTask.kt

@@ -1,21 +0,0 @@
-package be.ugent.sel.studeez.data
-
-import be.ugent.sel.studeez.data.local.models.task.Task
-import javax.inject.Inject
-import javax.inject.Singleton
-
-/**
- * Used to communicate the selected task from the task overview other screens.
- * Because this is a singleton-class the view-models of both screens observe the same data.
- */
-@Singleton
-class SelectedTask @Inject constructor() {
-    private lateinit var task: Task
-
-    operator fun invoke() = task
-    fun set(task: Task) {
-        this.task = task
-    }
-
-    fun isSet() = this::task.isInitialized
-}

app/src/main/java/be/ugent/sel/studeez/data/SelectedTimerState.kt

@@ -1,14 +0,0 @@
-package be.ugent.sel.studeez.data
-
-import be.ugent.sel.studeez.data.local.models.timer_functional.FunctionalTimer
-import javax.inject.Inject
-import javax.inject.Singleton
-
-/**
- * Used to communicate the SelectedTimer from the selection screen to the session screen.
- * Because this is a singleton-class the view-models of both screens observe the same data.
- */
-@Singleton
-class SelectedTimerState @Inject constructor(){
-    var selectedTimer: FunctionalTimer? = null
-}

app/src/main/java/be/ugent/sel/studeez/data/SessionReportState.kt

@@ -1,14 +0,0 @@
-package be.ugent.sel.studeez.data
-
-import be.ugent.sel.studeez.data.local.models.SessionReport
-import javax.inject.Inject
-import javax.inject.Singleton
-
-/**
- * Used to communicate the SelectedTimer from the selection screen to the session screen.
- * Because this is a singleton-class the view-models of both screens observe the same data.
- */
-@Singleton
-class SessionReportState @Inject constructor(){
-    var sessionReport: SessionReport? = null
-}

app/src/main/java/be/ugent/sel/studeez/data/local/models/FeedEntry.kt

@@ -0,0 +1,14 @@
+package be.ugent.sel.studeez.data.local.models
+
+import com.google.firebase.Timestamp
+
+data class FeedEntry(
+    val argb_color: Long = 0,
+    val subJectName: String = "",
+    val taskName: String = "",
+    val taskId: String = "", // Name of task is not unique
+    val subjectId: String = "",
+    val totalStudyTime: Int = 0,
+    val endTime: Timestamp = Timestamp(0, 0),
+    val isArchived: Boolean = false
+)

app/src/main/java/be/ugent/sel/studeez/data/local/models/Friendship.kt

@@ -0,0 +1,11 @@
+package be.ugent.sel.studeez.data.local.models
+
+import com.google.firebase.Timestamp
+import com.google.firebase.firestore.DocumentId
+
+data class Friendship(
+    @DocumentId val id: String = "",
+    val friendId: String = "",
+    val friendsSince: Timestamp = Timestamp.now(),
+    val accepted: Boolean = false
+)

app/src/main/java/be/ugent/sel/studeez/data/local/models/SessionReport.kt

@@ -6,5 +6,7 @@ import com.google.firebase.firestore.DocumentId
 data class SessionReport(
     @DocumentId val id: String = "",
     val studyTime: Int = 0,
-    val endTime: Timestamp = Timestamp(0, 0)
+    val endTime: Timestamp = Timestamp(0, 0),
+    val taskId: String = "",
+    val subjectId: String = ""
 )

app/src/main/java/be/ugent/sel/studeez/data/local/models/User.kt

@@ -1,3 +1,9 @@
 package be.ugent.sel.studeez.data.local.models
 
-data class User(val id: String = "")
+import com.google.firebase.firestore.DocumentId
+
+data class User(
+    @DocumentId val id: String = "",
+    val username: String = "",
+    val biography: String = ""
+)

app/src/main/java/be/ugent/sel/studeez/data/local/models/task/Subject.kt

@@ -5,6 +5,13 @@ import com.google.firebase.firestore.DocumentId
 data class Subject(
     @DocumentId val id: String = "",
     val name: String = "",
-    val time: Int = 0,
     val argb_color: Long = 0,
+    var archived: Boolean = false,
 )
+
+object SubjectDocument {
+    const val id = "id"
+    const val name = "name"
+    const val archived = "archived"
+    const val argb_color = "argb_color"
+}

app/src/main/java/be/ugent/sel/studeez/data/local/models/task/Task.kt

@@ -5,9 +5,10 @@ import com.google.firebase.firestore.DocumentId
 data class Task(
     @DocumentId val id: String = "",
     val name: String = "",
-    val completed: Boolean = false,
+    var completed: Boolean = false,
     val time: Int = 0,
     val subjectId: String = "",
+    var archived: Boolean = false,
 )
 
 object TaskDocument {
@@ -16,4 +17,5 @@ object TaskDocument {
     const val completed = "completed"
     const val time = "time"
     const val subjectId = "subjectId"
+    const val archived = "archived"
 }

app/src/main/java/be/ugent/sel/studeez/data/local/models/timer_functional/FunctionalPomodoroTimer.kt

@@ -2,17 +2,17 @@ package be.ugent.sel.studeez.data.local.models.timer_functional
 
 class FunctionalPomodoroTimer(
     private var studyTime: Int,
-    private var breakTime: Int, repeats: Int
+    private var breakTime: Int,
+    val repeats: Int
 ) : FunctionalTimer(studyTime) {
 
-    var breaksRemaining = repeats
+    var breaksRemaining = repeats - 1
     var isInBreak = false
 
     override fun tick() {
         if (hasEnded()) {
             return
         }
-
         if (hasCurrentCountdownEnded()) {
             if (isInBreak) {
                 breaksRemaining--

app/src/main/java/be/ugent/sel/studeez/data/local/models/timer_functional/FunctionalTimer.kt

@@ -17,10 +17,12 @@ abstract class FunctionalTimer(initialValue: Int) {
 
     abstract fun hasCurrentCountdownEnded(): Boolean
 
-    fun getSessionReport(): SessionReport {
+    fun getSessionReport(subjectId: String, taskId: String): SessionReport {
         return SessionReport(
             studyTime = totalStudyTime,
-            endTime = Timestamp.now()
+            endTime = Timestamp.now(),
+            taskId = taskId,
+            subjectId = subjectId
         )
     }
 

app/src/main/java/be/ugent/sel/studeez/data/remote/FirebaseFriendship.kt

@@ -0,0 +1,7 @@
+package be.ugent.sel.studeez.data.remote
+
+object FirebaseFriendship {
+    const val FRIENDID: String = "friendId"
+    const val ACCEPTED: String = "accepted"
+    const val FRIENDSSINCE: String = "friendsSince"
+}

app/src/main/java/be/ugent/sel/studeez/data/remote/FirebaseSessionReport.kt

@@ -0,0 +1,6 @@
+package be.ugent.sel.studeez.data.remote
+
+object FirebaseSessionReport {
+    const val STUDYTIME: String = "studyTime"
+    const val ENDTIME: String = "endTime"
+}

app/src/main/java/be/ugent/sel/studeez/data/remote/FirebaseUser.kt

@@ -0,0 +1,6 @@
+package be.ugent.sel.studeez.data.remote
+
+object FirebaseUser {
+    const val USERNAME: String = "username"
+    const val BIOGRAPHY: String = "biography"
+}

app/src/main/java/be/ugent/sel/studeez/di/DatabaseModule.kt

@@ -16,6 +16,9 @@ abstract class DatabaseModule {
     @Binds
     abstract fun provideUserDAO(impl: FirebaseUserDAO): UserDAO
 
+    @Binds
+    abstract fun provideFriendshipDAO(impl: FirebaseFriendshipDAO): FriendshipDAO
+
     @Binds
     abstract fun provideTimerDAO(impl: FirebaseTimerDAO): TimerDAO
 
@@ -26,11 +29,14 @@ abstract class DatabaseModule {
     abstract fun provideConfigurationService(impl: FirebaseConfigurationService): ConfigurationService
 
     @Binds
-    abstract fun provideSessionDAO(impl: FireBaseSessionDAO): SessionDAO
+    abstract fun provideSessionDAO(impl: FirebaseSessionDAO): SessionDAO
 
     @Binds
-    abstract fun provideSubjectDAO(impl: FireBaseSubjectDAO): SubjectDAO
+    abstract fun provideSubjectDAO(impl: FirebaseSubjectDAO): SubjectDAO
 
     @Binds
-    abstract fun provideTaskDAO(impl: FireBaseTaskDAO): TaskDAO
+    abstract fun provideTaskDAO(impl: FirebaseTaskDAO): TaskDAO
+
+    @Binds
+    abstract fun provideFeedDAO(impl: FirebaseFeedDAO): FeedDAO
 }

app/src/main/java/be/ugent/sel/studeez/domain/FeedDAO.kt

@@ -0,0 +1,13 @@
+package be.ugent.sel.studeez.domain
+
+import be.ugent.sel.studeez.data.local.models.FeedEntry
+import kotlinx.coroutines.flow.Flow
+
+interface FeedDAO {
+
+    fun getFeedEntries(): Flow<Map<String, List<FeedEntry>>>
+
+    suspend fun getFeedEntriesFromUser(id: String): Map<String, List<FeedEntry>>
+
+    fun getFriendsSessions(): Flow<Map<String, List<Pair<String, FeedEntry>>>>
+}

app/src/main/java/be/ugent/sel/studeez/domain/FriendshipDAO.kt

@@ -0,0 +1,54 @@
+package be.ugent.sel.studeez.domain
+
+import be.ugent.sel.studeez.data.local.models.Friendship
+import kotlinx.coroutines.flow.Flow
+
+/**
+ * Should be used for interactions between friends.
+ */
+interface FriendshipDAO {
+
+    /**
+     * @return all friendships of a chosen user.
+     */
+    fun getAllFriendships(
+        userId: String
+    ): Flow<List<Friendship>>
+
+    /**
+     * @return the amount of friends of a chosen user.
+     * This method should be faster than just counting the length of getAllFriends()
+     */
+    fun getFriendshipCount(
+        userId: String
+    ): Flow<Int>
+
+    /**
+     * @param id the id of the friendship that you want details of
+     * @return the details of a Friendship
+     */
+    fun getFriendshipDetails(id: String): Friendship
+
+    /**
+     * Send a friend request to a user.
+     * @param id of the user that you want to add as a friend
+     * @return Success/faillure of transaction
+     */
+    fun sendFriendshipRequest(id: String): Boolean
+
+    /**
+     * Accept a friend request that has already been sent.
+     * @param id of the friendship that you want to update
+     * @return: Success/faillure of transaction
+     */
+    fun acceptFriendship(id: String): Boolean
+
+    /**
+     * Remove a friend or decline a friendrequest.
+     * @param friendship the one you want to remove
+     * @return: Success/faillure of transaction
+     */
+    fun removeFriendship(
+        friendship: Friendship
+    ): Boolean
+}

app/src/main/java/be/ugent/sel/studeez/domain/SessionDAO.kt

@@ -1,12 +1,16 @@
 package be.ugent.sel.studeez.domain
 
+import be.ugent.sel.studeez.data.local.models.FeedEntry
 import be.ugent.sel.studeez.data.local.models.SessionReport
+import be.ugent.sel.studeez.data.local.models.User
+import be.ugent.sel.studeez.data.local.models.task.Task
 import be.ugent.sel.studeez.data.local.models.timer_info.TimerInfo
 import kotlinx.coroutines.flow.Flow
 
 interface SessionDAO {
 
     fun getSessions(): Flow<List<SessionReport>>
+    suspend fun getSessionsOfUser(userId: String): List<SessionReport>
 
     fun saveSession(newSessionReport: SessionReport)
 

app/src/main/java/be/ugent/sel/studeez/domain/SubjectDAO.kt

@@ -12,4 +12,13 @@ interface SubjectDAO {
     fun deleteSubject(oldSubject: Subject)
 
     fun updateSubject(newSubject: Subject)
+
+    suspend fun archiveSubject(subject: Subject)
+
+    fun getTaskCount(subject: Subject): Flow<Int>
+    fun getCompletedTaskCount(subject: Subject): Flow<Int>
+    fun getStudyTime(subject: Subject): Flow<Int>
+
+    suspend fun getSubject(subjectId: String): Subject?
+    suspend fun getSubjectOfUSer(subjectId: String, userId: String): Subject
 }

app/src/main/java/be/ugent/sel/studeez/domain/TaskDAO.kt

@@ -14,5 +14,7 @@ interface TaskDAO {
 
     fun deleteTask(oldTask: Task)
 
-    fun toggleTaskCompleted(task: Task, completed: Boolean)
+    suspend fun getTask(subjectId: String, taskId: String): Task
+
+    suspend fun getTaskFromUser(subjectId: String, taskId: String, userId: String): Task
 }

app/src/main/java/be/ugent/sel/studeez/domain/UserDAO.kt

@@ -1,13 +1,52 @@
 package be.ugent.sel.studeez.domain
 
+import be.ugent.sel.studeez.data.local.models.User
+import kotlinx.coroutines.flow.Flow
+
 interface UserDAO {
 
-    suspend fun getUsername(): String?
-    suspend fun save(newUsername: String)
+    fun getCurrentUserId(): String
 
     /**
-     * Delete all references to this user in the database. Similar to the deleteCascade in
+     * @return all users
+     */
+    fun getAllUsers(): Flow<List<User>>
+
+    /**
+     * @return all users based on a query, a trimmed down version of getAllUsers()
+     */
+    fun getUsersWithQuery(
+        fieldName: String,
+        value: String
+    ): Flow<List<User>>
+
+    /**
+     * Request information about a user
+     */
+    fun getUserDetails(
+        userId: String
+    ): Flow<User>
+
+    suspend fun getUsername(
+        userId: String
+    ): String
+
+    /**
+     * @return information on the currently logged in user.
+     */
+    suspend fun getLoggedInUser(): User
+    // TODO Should be refactored to fun getLoggedInUser(): Flow<User>, without suspend.
+
+    suspend fun saveLoggedInUser(
+        newUsername: String,
+        newBiography: String = ""
+    )
+    // TODO Should be refactored to fun saveLoggedInUser(...): Boolean, without suspend.
+
+    /**
+     * Delete all references to the logged in user in the database. Similar to the deleteCascade in
      * relational databases.
      */
-    suspend fun deleteUserReferences()
+    suspend fun deleteLoggedInUserReferences()
+    // TODO Should be refactored to fun deleteLoggedInUserReferences(): Boolean, without suspend.
 }

app/src/main/java/be/ugent/sel/studeez/domain/implementation/FireBaseSessionDAO.kt

@@ -1,37 +0,0 @@
-package be.ugent.sel.studeez.domain.implementation
-
-import be.ugent.sel.studeez.data.local.models.SessionReport
-import be.ugent.sel.studeez.data.local.models.timer_info.TimerInfo
-import be.ugent.sel.studeez.domain.AccountDAO
-import be.ugent.sel.studeez.domain.SessionDAO
-import com.google.firebase.firestore.CollectionReference
-import com.google.firebase.firestore.FirebaseFirestore
-import com.google.firebase.firestore.ktx.snapshots
-import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.map
-import javax.inject.Inject
-
-class FireBaseSessionDAO @Inject constructor(
-    private val firestore: FirebaseFirestore,
-    private val auth: AccountDAO
-) : SessionDAO {
-
-    override fun getSessions(): Flow<List<SessionReport>> {
-        return currentUserSessionsCollection()
-            .snapshots()
-            .map { it.toObjects(SessionReport::class.java) }
-    }
-
-    override fun saveSession(newSessionReport: SessionReport) {
-        currentUserSessionsCollection().add(newSessionReport)
-    }
-
-    override fun deleteSession(newTimer: TimerInfo) {
-        currentUserSessionsCollection().document(newTimer.id).delete()
-    }
-
-    private fun currentUserSessionsCollection(): CollectionReference =
-        firestore.collection(FireBaseCollections.USER_COLLECTION)
-            .document(auth.currentUserId)
-            .collection(FireBaseCollections.SESSION_COLLECTION)
-}

app/src/main/java/be/ugent/sel/studeez/domain/implementation/FireBaseSubjectDAO.kt

@@ -1,39 +0,0 @@
-package be.ugent.sel.studeez.domain.implementation
-
-import be.ugent.sel.studeez.data.local.models.task.Subject
-import be.ugent.sel.studeez.domain.AccountDAO
-import be.ugent.sel.studeez.domain.SubjectDAO
-import com.google.firebase.firestore.CollectionReference
-import com.google.firebase.firestore.FirebaseFirestore
-import com.google.firebase.firestore.ktx.snapshots
-import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.map
-import javax.inject.Inject
-
-class FireBaseSubjectDAO @Inject constructor(
-    private val firestore: FirebaseFirestore,
-    private val auth: AccountDAO,
-) : SubjectDAO {
-    override fun getSubjects(): Flow<List<Subject>> {
-        return currentUserSubjectsCollection()
-            .snapshots()
-            .map { it.toObjects(Subject::class.java) }
-    }
-
-    override fun saveSubject(newSubject: Subject) {
-        currentUserSubjectsCollection().add(newSubject)
-    }
-
-    override fun deleteSubject(oldSubject: Subject) {
-        currentUserSubjectsCollection().document(oldSubject.id).delete()
-    }
-
-    override fun updateSubject(newSubject: Subject) {
-        currentUserSubjectsCollection().document(newSubject.id).set(newSubject)
-    }
-
-    private fun currentUserSubjectsCollection(): CollectionReference =
-        firestore.collection(FireBaseCollections.USER_COLLECTION)
-            .document(auth.currentUserId)
-            .collection(FireBaseCollections.SUBJECT_COLLECTION)
-}

app/src/main/java/be/ugent/sel/studeez/domain/implementation/FireBaseTaskDAO.kt

@@ -1,49 +0,0 @@
-package be.ugent.sel.studeez.domain.implementation
-
-import be.ugent.sel.studeez.data.local.models.task.Subject
-import be.ugent.sel.studeez.data.local.models.task.Task
-import be.ugent.sel.studeez.data.local.models.task.TaskDocument
-import be.ugent.sel.studeez.domain.AccountDAO
-import be.ugent.sel.studeez.domain.TaskDAO
-import com.google.firebase.firestore.CollectionReference
-import com.google.firebase.firestore.FirebaseFirestore
-import com.google.firebase.firestore.ktx.snapshots
-import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.map
-import javax.inject.Inject
-
-class FireBaseTaskDAO @Inject constructor(
-    private val firestore: FirebaseFirestore,
-    private val auth: AccountDAO,
-) : TaskDAO {
-    override fun getTasks(subject: Subject): Flow<List<Task>> {
-        return selectedSubjectTasksCollection(subject.id)
-            .snapshots()
-            .map { it.toObjects(Task::class.java) }
-    }
-
-    override fun saveTask(newTask: Task) {
-        selectedSubjectTasksCollection(newTask.subjectId).add(newTask)
-    }
-
-    override fun updateTask(newTask: Task) {
-        selectedSubjectTasksCollection(newTask.id).document(newTask.id).set(newTask)
-    }
-
-    override fun deleteTask(oldTask: Task) {
-        selectedSubjectTasksCollection(oldTask.subjectId).document(oldTask.id).delete()
-    }
-
-    override fun toggleTaskCompleted(task: Task, completed: Boolean) {
-        selectedSubjectTasksCollection(task.subjectId)
-            .document(task.id)
-            .update(TaskDocument.completed, completed)
-    }
-
-    private fun selectedSubjectTasksCollection(subjectId: String): CollectionReference =
-        firestore.collection(FireBaseCollections.USER_COLLECTION)
-            .document(auth.currentUserId)
-            .collection(FireBaseCollections.SUBJECT_COLLECTION)
-            .document(subjectId)
-            .collection(FireBaseCollections.TASK_COLLECTION)
-}

app/src/main/java/be/ugent/sel/studeez/domain/implementation/FirebaseCollections.kt

@@ -1,8 +1,9 @@
 package be.ugent.sel.studeez.domain.implementation
 
-object FireBaseCollections {
+object FirebaseCollections {
     const val SESSION_COLLECTION = "sessions"
     const val USER_COLLECTION = "users"
+    const val FRIENDS_COLLECTION = "friends"
     const val TIMER_COLLECTION = "timers"
     const val SUBJECT_COLLECTION = "subjects"
     const val TASK_COLLECTION = "tasks"

app/src/main/java/be/ugent/sel/studeez/domain/implementation/FirebaseFeedDAO.kt

@@ -0,0 +1,137 @@
+package be.ugent.sel.studeez.domain.implementation
+
+import android.icu.text.DateFormat
+import be.ugent.sel.studeez.data.local.models.FeedEntry
+import be.ugent.sel.studeez.data.local.models.SessionReport
+import be.ugent.sel.studeez.data.local.models.task.Subject
+import be.ugent.sel.studeez.data.local.models.task.Task
+import be.ugent.sel.studeez.domain.*
+import com.google.firebase.Timestamp
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+import javax.inject.Inject
+
+class FirebaseFeedDAO @Inject constructor(
+    private val friendshipDAO: FriendshipDAO,
+    private val sessionDAO: SessionDAO,
+    private val taskDAO: TaskDAO,
+    private val subjectDAO: SubjectDAO,
+    private val auth: AccountDAO,
+    private val userDAO: UserDAO,
+) : FeedDAO {
+
+    /**
+     *  Return a map as with key the day and value a list of feedentries for that day.
+     */
+    override fun getFeedEntries(): Flow<Map<String, List<FeedEntry>>> {
+        return sessionDAO.getSessions().map { sessionReports ->
+            sessionReports
+                .map { sessionReport -> sessionToFeedEntry(sessionReport) }
+                .sortedByDescending { it.endTime }
+                .groupBy { getFormattedTime(it) }
+                .mapValues { (_, entries) ->
+                    entries
+                        .groupBy { it.taskId }
+                        .map { fuseFeedEntries(it.component2()) }
+                }
+        }
+    }
+
+    /**
+     *  Return a map as with key the day and value a list of feedentries for that day.
+     */
+    override suspend fun getFeedEntriesFromUser(id: String): Map<String, List<FeedEntry>> {
+        return sessionDAO.getSessionsOfUser(id)
+                .map { sessionReport -> sessionToFeedEntryFromUser(sessionReport, id) }
+                .sortedByDescending { it.endTime }
+                .groupBy { getFormattedTime(it) }
+                .mapValues { (_, entries) ->
+                    entries
+                        .groupBy { it.taskId }
+                        .map { fuseFeedEntries(it.component2()) }
+                }
+    }
+
+    override fun getFriendsSessions(): Flow<Map<String, List<Pair<String, FeedEntry>>>> {
+        return friendshipDAO.getAllFriendships(auth.currentUserId)
+            .map { friendships ->
+                friendships.map { friendship ->
+                    val userId: String = friendship.friendId
+                    val username = userDAO.getUsername(userId)
+                    val friendFeed = getFeedEntriesFromUser(userId)
+                    Pair(username, friendFeed)
+                }
+            }.map {
+                mergeNameAndEntries(it)
+            }
+    }
+
+    private fun mergeNameAndEntries(l: List<Pair<String, Map<String, List<FeedEntry>>>>): Map<String, List<Pair<String, FeedEntry>>> {
+        val new: MutableMap<String, List<Pair<String, FeedEntry>>> = mutableMapOf()
+        for ((name, map) in l) {
+            for ((day, feedEntries: List<FeedEntry>) in map) {
+                new[day] = new.getOrDefault(day, listOf()) +  feedEntries.map { Pair(name, it) }
+            }
+        }
+        return new
+    }
+
+    private fun getFormattedTime(entry: FeedEntry): String {
+        return DateFormat.getDateInstance().format(entry.endTime.toDate())
+    }
+
+    /**
+     * Givin a list of entries referencing the same task, in the same day, fuse them into one
+     * feed-entry by adding the studytime and keeping the most recent end-timestamp
+     */
+    private fun fuseFeedEntries(entries: List<FeedEntry>): FeedEntry =
+        entries.drop(1).fold(entries[0]) { accEntry, newEntry ->
+            accEntry.copy(
+                totalStudyTime = accEntry.totalStudyTime + newEntry.totalStudyTime,
+                endTime = getMostRecent(accEntry.endTime, newEntry.endTime)
+            )
+        }
+
+    private fun getMostRecent(t1: Timestamp, t2: Timestamp): Timestamp {
+        return if (t1 < t2) t2 else t1
+    }
+
+    /**
+     * Convert a sessionReport to a feedEntry. Fetch Task and Subject to get names
+     */
+    private suspend fun sessionToFeedEntry(sessionReport: SessionReport): FeedEntry {
+        val subjectId: String = sessionReport.subjectId
+        val taskId: String = sessionReport.taskId
+
+        val task: Task = taskDAO.getTask(subjectId, taskId)
+        val subject: Subject = subjectDAO.getSubject(subjectId)!!
+
+        return makeFeedEntry(sessionReport, subject, task)
+    }
+
+    private fun makeFeedEntry(sessionReport: SessionReport, subject: Subject, task: Task): FeedEntry {
+        return FeedEntry(
+            argb_color = subject.argb_color,
+            subJectName = subject.name,
+            taskName = task.name,
+            taskId = task.id,
+            subjectId = subject.id,
+            totalStudyTime = sessionReport.studyTime,
+            endTime = sessionReport.endTime,
+            isArchived = task.archived || subject.archived
+        )
+    }
+
+    /**
+     * Convert a sessionReport to a feedEntry. Fetch Task and Subject to get names
+     */
+    private suspend fun sessionToFeedEntryFromUser(sessionReport: SessionReport, id: String): FeedEntry {
+        val subjectId: String = sessionReport.subjectId
+        val taskId: String = sessionReport.taskId
+
+        val task: Task = taskDAO.getTaskFromUser(subjectId, taskId, id)
+        val subject: Subject = subjectDAO.getSubjectOfUSer(subjectId, id)
+
+        return makeFeedEntry(sessionReport, subject, task)
+    }
+}

app/src/main/java/be/ugent/sel/studeez/domain/implementation/FirebaseFriendshipDAO.kt

@@ -0,0 +1,150 @@
+package be.ugent.sel.studeez.domain.implementation
+
+import be.ugent.sel.studeez.common.snackbar.SnackbarManager
+import be.ugent.sel.studeez.data.local.models.Friendship
+import be.ugent.sel.studeez.data.remote.FirebaseFriendship.ACCEPTED
+import be.ugent.sel.studeez.data.remote.FirebaseFriendship.FRIENDID
+import be.ugent.sel.studeez.data.remote.FirebaseFriendship.FRIENDSSINCE
+import be.ugent.sel.studeez.domain.AccountDAO
+import be.ugent.sel.studeez.domain.FriendshipDAO
+import be.ugent.sel.studeez.domain.implementation.FirebaseCollections.FRIENDS_COLLECTION
+import be.ugent.sel.studeez.domain.implementation.FirebaseCollections.USER_COLLECTION
+import com.google.firebase.Timestamp
+import com.google.firebase.firestore.DocumentReference
+import com.google.firebase.firestore.FirebaseFirestore
+import com.google.firebase.firestore.ktx.snapshots
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.catch
+import kotlinx.coroutines.flow.flow
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.tasks.await
+import javax.inject.Inject
+import kotlin.coroutines.resume
+import kotlin.coroutines.resumeWithException
+import kotlin.coroutines.suspendCoroutine
+import be.ugent.sel.studeez.R.string as AppText
+
+class FirebaseFriendshipDAO @Inject constructor(
+    private val firestore: FirebaseFirestore,
+    private val auth: AccountDAO
+): FriendshipDAO {
+
+    private fun currentUserDocument(): DocumentReference = firestore
+        .collection(USER_COLLECTION)
+        .document(auth.currentUserId)
+
+    override fun getAllFriendships(
+        userId: String
+    ): Flow<List<Friendship>> {
+        return firestore
+            .collection(USER_COLLECTION)
+            .document(userId)
+            .collection(FRIENDS_COLLECTION)
+            .snapshots()
+            .map { it.toObjects(Friendship::class.java) }
+    }
+
+    override fun getFriendshipCount(
+        userId: String
+    ): Flow<Int> {
+        return flow {
+            val friendshipCount = suspendCoroutine { continuation ->
+                firestore
+                    .collection(USER_COLLECTION)
+                    .document(userId)
+                    .collection(FRIENDS_COLLECTION)
+                    .get()
+                    .addOnSuccessListener { querySnapshot ->
+                        continuation.resume(querySnapshot.size())
+                    }
+                    .addOnFailureListener { exception ->
+                        continuation.resumeWithException(exception)
+                    }
+            }
+            emit(friendshipCount)
+        }.catch {
+            SnackbarManager.showMessage(AppText.generic_error)
+        }
+    }
+
+    override fun getFriendshipDetails(id: String): Friendship {
+        TODO("Not yet implemented")
+    }
+
+    override fun sendFriendshipRequest(id: String): Boolean {
+        val currentUserId: String = auth.currentUserId
+        val otherUserId: String = id
+
+        // Check if the friendship already exists for the logged in user
+        var allowed = false
+        firestore.collection(USER_COLLECTION)
+            .document(currentUserId)
+            .collection(FRIENDS_COLLECTION)
+            .whereEqualTo(FRIENDID, otherUserId)
+            .get()
+            .addOnSuccessListener {
+                allowed = it.documents.isEmpty()
+
+                if (allowed) {
+                    // Add entry to current user
+                    currentUserDocument()
+                        .collection(FRIENDS_COLLECTION)
+                        .add(mapOf(
+                            FRIENDID to otherUserId,
+                            ACCEPTED to true, // TODO Make it not automatically accepted.
+                            FRIENDSSINCE to Timestamp.now()
+                        ))
+
+                    // Add entry to other user
+                    firestore.collection(USER_COLLECTION)
+                        .document(otherUserId)
+                        .collection(FRIENDS_COLLECTION)
+                        .add(mapOf(
+                            FRIENDID to currentUserId,
+                            ACCEPTED to true, // TODO Make it not automatically accepted.
+                            FRIENDSSINCE to Timestamp.now()
+                        ))
+                }
+            }.addOnSuccessListener {
+                val message = if (allowed) AppText.success else AppText.already_friend
+                SnackbarManager.showMessage(message)
+            }
+
+        return true
+    }
+
+    override fun acceptFriendship(id: String): Boolean {
+        TODO("Not yet implemented")
+    }
+
+    override fun removeFriendship(
+        friendship: Friendship
+    ): Boolean {
+        val currentUserId: String = auth.currentUserId
+        val otherUserId: String = friendship.friendId
+
+        // Remove at logged in user
+        firestore.collection(USER_COLLECTION)
+            .document(currentUserId)
+            .collection(FRIENDS_COLLECTION)
+            .document(friendship.id)
+            .delete()
+
+        // Remove at other user
+        firestore.collection(USER_COLLECTION)
+            .document(otherUserId)
+            .collection(FRIENDS_COLLECTION)
+            .whereEqualTo(FRIENDID, currentUserId)
+            .get()
+            .addOnSuccessListener {
+                for (document in it) {
+                    document.reference.delete()
+                }
+            }.addOnFailureListener {
+                SnackbarManager.showMessage(AppText.generic_error)
+            }
+
+        return true
+    }
+
+}

app/src/main/java/be/ugent/sel/studeez/domain/implementation/FirebaseSessionDAO.kt

@@ -0,0 +1,58 @@
+package be.ugent.sel.studeez.domain.implementation
+
+import be.ugent.sel.studeez.data.local.models.FeedEntry
+import be.ugent.sel.studeez.data.local.models.SessionReport
+import be.ugent.sel.studeez.data.local.models.User
+import be.ugent.sel.studeez.data.local.models.task.Task
+import be.ugent.sel.studeez.data.local.models.timer_info.TimerInfo
+import be.ugent.sel.studeez.data.remote.FirebaseSessionReport
+import be.ugent.sel.studeez.data.remote.FirebaseSessionReport.ENDTIME
+import be.ugent.sel.studeez.data.remote.FirebaseSessionReport.STUDYTIME
+import be.ugent.sel.studeez.domain.*
+import be.ugent.sel.studeez.domain.implementation.FirebaseCollections.SESSION_COLLECTION
+import be.ugent.sel.studeez.domain.implementation.FirebaseCollections.USER_COLLECTION
+import com.google.firebase.Timestamp
+import com.google.firebase.firestore.CollectionReference
+import com.google.firebase.firestore.FirebaseFirestore
+import com.google.firebase.firestore.ktx.getField
+import com.google.firebase.firestore.ktx.snapshots
+import com.google.firebase.firestore.ktx.toObject
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.emptyFlow
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.tasks.await
+import javax.inject.Inject
+
+class FirebaseSessionDAO @Inject constructor(
+    private val firestore: FirebaseFirestore,
+    private val auth: AccountDAO,
+) : SessionDAO {
+
+    override fun getSessions(): Flow<List<SessionReport>> {
+        return currentUserSessionsCollection()
+            .snapshots()
+            .map { it.toObjects(SessionReport::class.java) }
+    }
+
+    override suspend fun getSessionsOfUser(userId: String): List<SessionReport> {
+        return firestore.collection(USER_COLLECTION)
+            .document(userId)
+            .collection(SESSION_COLLECTION)
+            .get().await()
+            .map { it.toObject(SessionReport::class.java) }
+    }
+
+
+    override fun saveSession(newSessionReport: SessionReport) {
+        currentUserSessionsCollection().add(newSessionReport)
+    }
+
+    override fun deleteSession(newTimer: TimerInfo) {
+        currentUserSessionsCollection().document(newTimer.id).delete()
+    }
+
+    private fun currentUserSessionsCollection(): CollectionReference =
+        firestore.collection(USER_COLLECTION)
+            .document(auth.currentUserId)
+            .collection(SESSION_COLLECTION)
+}

app/src/main/java/be/ugent/sel/studeez/domain/implementation/FirebaseSubjectDAO.kt

@@ -0,0 +1,97 @@
+package be.ugent.sel.studeez.domain.implementation
+
+import be.ugent.sel.studeez.data.local.models.task.Subject
+import be.ugent.sel.studeez.data.local.models.task.SubjectDocument
+import be.ugent.sel.studeez.data.local.models.task.Task
+import be.ugent.sel.studeez.data.local.models.task.TaskDocument
+import be.ugent.sel.studeez.domain.AccountDAO
+import be.ugent.sel.studeez.domain.SubjectDAO
+import be.ugent.sel.studeez.domain.TaskDAO
+import com.google.firebase.firestore.CollectionReference
+import com.google.firebase.firestore.FirebaseFirestore
+import com.google.firebase.firestore.Query
+import com.google.firebase.firestore.ktx.snapshots
+import com.google.firebase.firestore.ktx.toObject
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.tasks.await
+import javax.inject.Inject
+import kotlin.collections.count
+
+class FirebaseSubjectDAO @Inject constructor(
+    private val firestore: FirebaseFirestore,
+    private val auth: AccountDAO,
+    private val taskDAO: TaskDAO,
+) : SubjectDAO {
+    override fun getSubjects(): Flow<List<Subject>> {
+        return currentUserSubjectsCollection()
+            .subjectNotArchived()
+            .snapshots()
+            .map { it.toObjects(Subject::class.java) }
+    }
+
+    override suspend fun getSubject(subjectId: String): Subject? {
+        return currentUserSubjectsCollection().document(subjectId).get().await().toObject()
+    }
+
+    override suspend fun getSubjectOfUSer(subjectId: String, userId: String): Subject {
+        return currentUserSubjectsCollection(userId).document(subjectId).get().await().toObject()!!
+    }
+
+    override fun saveSubject(newSubject: Subject) {
+        currentUserSubjectsCollection().add(newSubject)
+    }
+
+    override fun deleteSubject(oldSubject: Subject) {
+        currentUserSubjectsCollection().document(oldSubject.id).delete()
+    }
+
+    override fun updateSubject(newSubject: Subject) {
+        currentUserSubjectsCollection().document(newSubject.id).set(newSubject)
+    }
+
+    override suspend fun archiveSubject(subject: Subject) {
+        currentUserSubjectsCollection().document(subject.id).update(SubjectDocument.archived, true)
+        currentUserSubjectsCollection().document(subject.id)
+            .collection(FirebaseCollections.TASK_COLLECTION)
+            .taskNotArchived()
+            .get().await()
+            .documents
+            .forEach {
+                it.reference.update(TaskDocument.archived, true)
+            }
+    }
+
+    override fun getTaskCount(subject: Subject): Flow<Int> {
+        return taskDAO.getTasks(subject)
+            .map(List<Task>::count)
+    }
+
+    override fun getCompletedTaskCount(subject: Subject): Flow<Int> {
+        return taskDAO.getTasks(subject)
+            .map { tasks -> tasks.count { it.completed && !it.archived } }
+    }
+
+    override fun getStudyTime(subject: Subject): Flow<Int> {
+        return taskDAO.getTasks(subject)
+            .map { tasks -> tasks.sumOf { it.time } }
+    }
+
+    private fun currentUserSubjectsCollection(id: String = auth.currentUserId): CollectionReference =
+        firestore.collection(FirebaseCollections.USER_COLLECTION)
+            .document(id)
+            .collection(FirebaseCollections.SUBJECT_COLLECTION)
+
+    private fun subjectTasksCollection(subject: Subject, id: String = auth.currentUserId): CollectionReference =
+        firestore.collection(FirebaseCollections.USER_COLLECTION)
+            .document(id)
+            .collection(FirebaseCollections.SUBJECT_COLLECTION)
+            .document(subject.id)
+            .collection(FirebaseCollections.TASK_COLLECTION)
+
+    fun CollectionReference.subjectNotArchived(): Query =
+        this.whereEqualTo(SubjectDocument.archived, false)
+
+    fun Query.subjectNotArchived(): Query =
+        this.whereEqualTo(SubjectDocument.archived, false)
+}

app/src/main/java/be/ugent/sel/studeez/domain/implementation/FirebaseTaskDAO.kt

@@ -0,0 +1,74 @@
+package be.ugent.sel.studeez.domain.implementation
+
+import be.ugent.sel.studeez.data.local.models.task.Subject
+import be.ugent.sel.studeez.data.local.models.task.Task
+import be.ugent.sel.studeez.data.local.models.task.TaskDocument
+import be.ugent.sel.studeez.domain.AccountDAO
+import be.ugent.sel.studeez.domain.TaskDAO
+import com.google.firebase.firestore.CollectionReference
+import com.google.firebase.firestore.FirebaseFirestore
+import com.google.firebase.firestore.Query
+import com.google.firebase.firestore.ktx.snapshots
+import com.google.firebase.firestore.ktx.toObject
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.tasks.await
+import javax.inject.Inject
+
+class FirebaseTaskDAO @Inject constructor(
+    private val firestore: FirebaseFirestore,
+    private val auth: AccountDAO,
+) : TaskDAO {
+    override fun getTasks(subject: Subject): Flow<List<Task>> {
+        return selectedSubjectTasksCollection(subject.id)
+            .taskNotArchived()
+            .snapshots()
+            .map { it.toObjects(Task::class.java) }
+    }
+
+    override suspend fun getTask(subjectId: String, taskId: String): Task {
+        return selectedSubjectTasksCollection(subjectId).document(taskId).get().await().toObject()!!
+    }
+
+    override suspend fun getTaskFromUser(subjectId: String, taskId: String, userId: String): Task {
+        return selectedSubjectTasksCollection(subjectId, userId)
+            .document(taskId)
+            .get()
+            .await().toObject(Task::class.java)!!
+    }
+
+    override fun saveTask(newTask: Task) {
+        selectedSubjectTasksCollection(newTask.subjectId).add(newTask)
+    }
+
+    override fun updateTask(newTask: Task) {
+        selectedSubjectTasksCollection(newTask.subjectId)
+            .document(newTask.id)
+            .set(newTask)
+    }
+
+    override fun deleteTask(oldTask: Task) {
+        selectedSubjectTasksCollection(oldTask.subjectId).document(oldTask.id).delete()
+    }
+
+    private fun selectedSubjectTasksCollection(subjectId: String, id: String = auth.currentUserId): CollectionReference =
+        firestore.collection(FirebaseCollections.USER_COLLECTION)
+            .document(id)
+            .collection(FirebaseCollections.SUBJECT_COLLECTION)
+            .document(subjectId)
+            .collection(FirebaseCollections.TASK_COLLECTION)
+}
+
+// Extend CollectionReference and Query with some filters
+
+fun CollectionReference.taskNotArchived(): Query =
+    this.whereEqualTo(TaskDocument.archived, false)
+
+fun Query.taskNotArchived(): Query =
+    this.whereEqualTo(TaskDocument.archived, false)
+
+fun CollectionReference.taskNotCompleted(): Query =
+    this.whereEqualTo(TaskDocument.completed, true)
+
+fun Query.taskNotCompleted(): Query =
+    this.whereEqualTo(TaskDocument.completed, true)

app/src/main/java/be/ugent/sel/studeez/domain/implementation/FirebaseTimerDAO.kt

@@ -48,8 +48,8 @@ class FirebaseTimerDAO @Inject constructor(
     }
 
     private fun currentUserTimersCollection(): CollectionReference =
-        firestore.collection(FireBaseCollections.USER_COLLECTION)
+        firestore.collection(FirebaseCollections.USER_COLLECTION)
             .document(auth.currentUserId)
-            .collection(FireBaseCollections.TIMER_COLLECTION)
+            .collection(FirebaseCollections.TIMER_COLLECTION)
 
 }

app/src/main/java/be/ugent/sel/studeez/domain/implementation/FirebaseUserDAO.kt

@@ -2,10 +2,18 @@ package be.ugent.sel.studeez.domain.implementation
 
 import be.ugent.sel.studeez.R
 import be.ugent.sel.studeez.common.snackbar.SnackbarManager
+import be.ugent.sel.studeez.data.local.models.User
+import be.ugent.sel.studeez.data.remote.FirebaseUser.BIOGRAPHY
+import be.ugent.sel.studeez.data.remote.FirebaseUser.USERNAME
 import be.ugent.sel.studeez.domain.AccountDAO
 import be.ugent.sel.studeez.domain.UserDAO
+import be.ugent.sel.studeez.domain.implementation.FirebaseCollections.USER_COLLECTION
 import com.google.firebase.firestore.DocumentReference
 import com.google.firebase.firestore.FirebaseFirestore
+import com.google.firebase.firestore.ktx.snapshots
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.flow
+import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.tasks.await
 import javax.inject.Inject
 
@@ -14,22 +22,71 @@ class FirebaseUserDAO @Inject constructor(
     private val auth: AccountDAO
 ) : UserDAO {
 
-    override suspend fun getUsername(): String? {
-        return currentUserDocument().get().await().getString("username")
-    }
-
-    override suspend fun save(newUsername: String) {
-        currentUserDocument().set(mapOf("username" to newUsername))
+    override fun getCurrentUserId(): String {
+        return auth.currentUserId
     }
 
     private fun currentUserDocument(): DocumentReference =
-        firestore.collection(USER_COLLECTION).document(auth.currentUserId)
+        firestore
+            .collection(USER_COLLECTION)
+            .document(auth.currentUserId)
 
-    companion object {
-        private const val USER_COLLECTION = "users"
+    override fun getAllUsers(): Flow<List<User>> {
+        return firestore
+            .collection(USER_COLLECTION)
+            .snapshots()
+            .map { it.toObjects(User::class.java) }
     }
 
-    override suspend fun deleteUserReferences() {
+    override fun getUsersWithQuery(
+        fieldName: String,
+        value: String
+    ): Flow<List<User>> {
+        return firestore
+            .collection(USER_COLLECTION)
+            .whereEqualTo(fieldName, value)
+            .snapshots()
+            .map { it.toObjects(User::class.java) }
+    }
+
+    override fun getUserDetails(userId: String): Flow<User> {
+        return flow {
+            val snapshot = firestore
+                .collection(USER_COLLECTION)
+                .document(userId)
+                .get()
+                .await()
+            val user = snapshot.toObject(User::class.java)!!
+            emit(user)
+        }
+    }
+
+    override suspend fun getUsername(userId: String): String {
+        val user = firestore.collection(USER_COLLECTION)
+            .document(userId)
+            .get().await()
+        return user.getString(USERNAME)!!
+    }
+
+    override suspend fun getLoggedInUser(): User {
+        val userDocument = currentUserDocument().get().await()
+        return User(
+            username = userDocument.getString(USERNAME) ?: "",
+            biography = userDocument.getString(BIOGRAPHY) ?: ""
+        )
+    }
+
+    override suspend fun saveLoggedInUser(
+        newUsername: String,
+        newBiography: String
+    ) {
+        currentUserDocument().set(mapOf(
+            USERNAME to newUsername,
+            BIOGRAPHY to newBiography
+        ))
+    }
+
+    override suspend fun deleteLoggedInUserReferences() {
         currentUserDocument().delete()
             .addOnSuccessListener { SnackbarManager.showMessage(R.string.success) }
             .addOnFailureListener { SnackbarManager.showMessage(R.string.generic_error) }

app/src/main/java/be/ugent/sel/studeez/navigation/StudeezDestinations.kt

@@ -4,7 +4,7 @@ object StudeezDestinations {
     // NavBar
     const val HOME_SCREEN = "home"
     const val SUBJECT_SCREEN = "subjects"
-    const val SESSIONS_SCREEN = "sessions"
+    const val FRIENDS_FEED = "friends_feed"
     const val PROFILE_SCREEN = "profile"
 
     // Drawer
@@ -27,10 +27,13 @@ object StudeezDestinations {
     const val EDIT_SUBJECT_FORM = "edit_subject"
     const val TASKS_SCREEN = "tasks"
     const val ADD_TASK_FORM = "add_task"
+    const val SELECT_SUBJECT = "select_subject"
     const val EDIT_TASK_FORM = "edit_task"
 
     // Friends flow
+    const val FRIENDS_OVERVIEW_SCREEN = "friends_overview"
     const val SEARCH_FRIENDS_SCREEN = "search_friends"
+    const val PUBLIC_PROFILE_SCREEN = "public_profile"
 
     // Create & edit screens
     const val CREATE_TASK_SCREEN = "create_task"

app/src/main/java/be/ugent/sel/studeez/navigation/StudeezNavGraph.kt

@@ -14,22 +14,26 @@ import be.ugent.sel.studeez.common.composable.drawer.getDrawerActions
 import be.ugent.sel.studeez.common.composable.navbar.NavigationBarActions
 import be.ugent.sel.studeez.common.composable.navbar.NavigationBarViewModel
 import be.ugent.sel.studeez.common.composable.navbar.getNavigationBarActions
+import be.ugent.sel.studeez.screens.friends.friends_overview.FriendsOveriewRoute
+import be.ugent.sel.studeez.screens.friends.friends_search.SearchFriendsRoute
+import be.ugent.sel.studeez.screens.friends_feed.FriendsFeedRoute
 import be.ugent.sel.studeez.screens.home.HomeRoute
 import be.ugent.sel.studeez.screens.log_in.LoginRoute
-import be.ugent.sel.studeez.screens.profile.EditProfileRoute
 import be.ugent.sel.studeez.screens.profile.ProfileRoute
+import be.ugent.sel.studeez.screens.profile.edit_profile.EditProfileRoute
+import be.ugent.sel.studeez.screens.profile.public_profile.PublicProfileRoute
 import be.ugent.sel.studeez.screens.session.SessionRoute
 import be.ugent.sel.studeez.screens.session_recap.SessionRecapRoute
-import be.ugent.sel.studeez.screens.sessions.SessionsRoute
 import be.ugent.sel.studeez.screens.settings.SettingsRoute
 import be.ugent.sel.studeez.screens.sign_up.SignUpRoute
 import be.ugent.sel.studeez.screens.splash.SplashRoute
-import be.ugent.sel.studeez.screens.tasks.SubjectRoute
+import be.ugent.sel.studeez.screens.subjects.SubjectRoute
+import be.ugent.sel.studeez.screens.subjects.form.SubjectCreateRoute
+import be.ugent.sel.studeez.screens.subjects.form.SubjectEditRoute
+import be.ugent.sel.studeez.screens.subjects.select.SubjectSelectionRoute
 import be.ugent.sel.studeez.screens.tasks.TaskRoute
-import be.ugent.sel.studeez.screens.tasks.forms.SubjectAddRoute
-import be.ugent.sel.studeez.screens.tasks.forms.SubjectEditRoute
-import be.ugent.sel.studeez.screens.tasks.forms.TaskAddRoute
-import be.ugent.sel.studeez.screens.tasks.forms.TaskEditRoute
+import be.ugent.sel.studeez.screens.tasks.form.TaskCreateRoute
+import be.ugent.sel.studeez.screens.tasks.form.TaskEditRoute
 import be.ugent.sel.studeez.screens.timer_form.TimerAddRoute
 import be.ugent.sel.studeez.screens.timer_form.TimerEditRoute
 import be.ugent.sel.studeez.screens.timer_form.timer_type_select.TimerTypeSelectScreen
@@ -51,6 +55,7 @@ fun StudeezNavGraph(
     val open: (String) -> Unit = { appState.navigate(it) }
     val openAndPopUp: (String, String) -> Unit =
         { route, popUp -> appState.navigateAndPopUp(route, popUp) }
+    val clearAndNavigate: (route: String) -> Unit = { route -> appState.clearAndNavigate(route) }
 
     val drawerActions: DrawerActions = getDrawerActions(drawerViewModel, open, openAndPopUp)
     val navigationBarActions: NavigationBarActions =
@@ -64,10 +69,11 @@ fun StudeezNavGraph(
         // NavBar
         composable(StudeezDestinations.HOME_SCREEN) {
             HomeRoute(
-                open,
-                viewModel = hiltViewModel(),
+                open = open,
                 drawerActions = drawerActions,
-                navigationBarActions = navigationBarActions
+                navigationBarActions = navigationBarActions,
+                feedViewModel = hiltViewModel(),
+                viewModel = hiltViewModel()
             )
         }
 
@@ -80,8 +86,16 @@ fun StudeezNavGraph(
             )
         }
 
+        composable(StudeezDestinations.SELECT_SUBJECT) {
+            SubjectSelectionRoute(
+                open = { openAndPopUp(it, StudeezDestinations.SELECT_SUBJECT) },
+                goBack = goBack,
+                viewModel = hiltViewModel(),
+            )
+        }
+
         composable(StudeezDestinations.ADD_SUBJECT_FORM) {
-            SubjectAddRoute(
+            SubjectCreateRoute(
                 goBack = goBack,
                 openAndPopUp = openAndPopUp,
                 viewModel = hiltViewModel(),
@@ -98,14 +112,14 @@ fun StudeezNavGraph(
 
         composable(StudeezDestinations.TASKS_SCREEN) {
             TaskRoute(
-                goBack = goBack,
+                goBack = { openAndPopUp(StudeezDestinations.SUBJECT_SCREEN, StudeezDestinations.TASKS_SCREEN) },
                 open = open,
                 viewModel = hiltViewModel(),
             )
         }
 
         composable(StudeezDestinations.ADD_TASK_FORM) {
-            TaskAddRoute(
+            TaskCreateRoute(
                 goBack = goBack,
                 openAndPopUp = openAndPopUp,
                 viewModel = hiltViewModel(),
@@ -121,10 +135,11 @@ fun StudeezNavGraph(
         }
 
 
-        composable(StudeezDestinations.SESSIONS_SCREEN) {
-            SessionsRoute(
+        composable(StudeezDestinations.FRIENDS_FEED) {
+            FriendsFeedRoute(
                 drawerActions = drawerActions,
-                navigationBarActions = navigationBarActions
+                navigationBarActions = navigationBarActions,
+                viewModel = hiltViewModel()
             )
         }
 
@@ -200,7 +215,7 @@ fun StudeezNavGraph(
 
         composable(StudeezDestinations.SESSION_RECAP) {
             SessionRecapRoute(
-                openAndPopUp = openAndPopUp,
+                clearAndNavigate = clearAndNavigate,
                 viewModel = hiltViewModel()
             )
         }
@@ -220,8 +235,28 @@ fun StudeezNavGraph(
         }
 
         // Friends flow
+        composable(StudeezDestinations.FRIENDS_OVERVIEW_SCREEN) {
+            FriendsOveriewRoute(
+                open = open,
+                popUp = goBack,
+                viewModel = hiltViewModel()
+            )
+        }
+
         composable(StudeezDestinations.SEARCH_FRIENDS_SCREEN) {
-            // TODO
+            SearchFriendsRoute(
+                popUp = goBack,
+                open = open,
+                viewModel = hiltViewModel()
+            )
+        }
+
+        composable(StudeezDestinations.PUBLIC_PROFILE_SCREEN) {
+            PublicProfileRoute(
+                popUp = goBack,
+                open = open,
+                viewModel = hiltViewModel()
+            )
         }
 
         // Create & edit screens

app/src/main/java/be/ugent/sel/studeez/screens/friends/friends_overview/FriendsOverviewScreen.kt

@@ -0,0 +1,308 @@
+package be.ugent.sel.studeez.screens.friends.friends_overview
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.material.*
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material.icons.filled.Delete
+import androidx.compose.material.icons.filled.Person
+import androidx.compose.material.icons.filled.Search
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.res.vectorResource
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import be.ugent.sel.studeez.R
+import be.ugent.sel.studeez.common.composable.BasicButton
+import be.ugent.sel.studeez.common.composable.ProfilePicture
+import be.ugent.sel.studeez.common.composable.drawer.DrawerEntry
+import be.ugent.sel.studeez.common.ext.basicButton
+import be.ugent.sel.studeez.data.local.models.Friendship
+import be.ugent.sel.studeez.data.local.models.User
+import be.ugent.sel.studeez.resources
+import be.ugent.sel.studeez.ui.theme.StudeezTheme
+import com.google.firebase.Timestamp
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.emptyFlow
+import be.ugent.sel.studeez.R.string as AppText
+
+data class FriendsOverviewActions(
+    val getFriendsFlow: () -> Flow<List<Pair<User, Friendship>>>,
+    val searchFriends: () -> Unit,
+    val onQueryStringChange: (String) -> Unit,
+    val onSubmit: () -> Unit,
+    val viewProfile: (String) -> Unit,
+    val removeFriend: (Friendship) -> Unit
+)
+
+fun getFriendsOverviewActions(
+    viewModel: FriendsOverviewViewModel,
+    open: (String) -> Unit
+): FriendsOverviewActions {
+    return FriendsOverviewActions(
+        getFriendsFlow = viewModel::getAllFriends,
+        searchFriends = { viewModel.searchFriends(open) },
+        onQueryStringChange = viewModel::onQueryStringChange,
+        onSubmit = { viewModel.onSubmit(open) },
+        viewProfile = { userId ->
+            viewModel.viewProfile(userId, open)
+        },
+        removeFriend = viewModel::removeFriend
+    )
+}
+
+@Composable
+fun FriendsOveriewRoute(
+    open: (String) -> Unit,
+    popUp: () -> Unit,
+    viewModel: FriendsOverviewViewModel
+) {
+    val uiState by viewModel.uiState
+    FriendsOverviewScreen(
+        popUp = popUp,
+        uiState = uiState,
+        friendsOverviewActions = getFriendsOverviewActions(
+            viewModel = viewModel,
+            open = open
+        )
+    )
+}
+
+@Composable
+fun FriendsOverviewScreen(
+    popUp: () -> Unit,
+    uiState: FriendsOverviewUiState,
+    friendsOverviewActions: FriendsOverviewActions
+) {
+    val friends = friendsOverviewActions.getFriendsFlow().collectAsState(initial = emptyList())
+
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                title = {
+                    // TODO Make search field
+//                    SearchField(
+//                        value = uiState.queryString,
+//                        onValueChange = friendsOverviewActions.onQueryStringChange,
+//                        onSubmit = friendsOverviewActions.onSubmit,
+//                        label = AppText.search_friends,
+//                        enabled = false
+//                    )
+                        IconButton(
+                            onClick = friendsOverviewActions.onSubmit,
+//                            modifier = Modifier.background(
+//                                color = MaterialTheme.colors.background
+//                            ),
+                        ) {
+                            Row {
+                                Text(
+                                    text = stringResource(id = AppText.click_search_friends),
+                                    color = MaterialTheme.colors.onPrimary
+                                )
+                                Icon(
+                                    imageVector = Icons.Default.Search,
+                                    contentDescription = stringResource(AppText.search_friends),
+                                    tint = MaterialTheme.colors.onPrimary
+                                )
+                            }
+                        }
+                },
+                navigationIcon = {
+                    IconButton(onClick = popUp) {
+                        Icon(
+                            imageVector = Icons.Default.ArrowBack,
+                            contentDescription = resources().getString(R.string.go_back)
+                        )
+                    }
+                }
+                // TODO Add inbox action
+            )
+        }
+    ) { paddingValues ->
+        LazyColumn (
+            modifier = Modifier.padding(paddingValues)
+        ) {
+            if (friends.value.isEmpty()) {
+                // Show a quick button to search friends when the user does not have any friends yet.
+                item {
+                    BasicButton(
+                        text = AppText.no_friends,
+                        modifier = Modifier.basicButton()
+                    ) {
+                        friendsOverviewActions.searchFriends()
+                    }
+                }
+            }
+
+            items(friends.value) { friend ->
+                FriendsEntry(
+                    user = friend.first,
+                    friendship = friend.second,
+                    viewProfile = { userId -> friendsOverviewActions.viewProfile(userId) },
+                    removeFriend = friendsOverviewActions.removeFriend
+                )
+            }
+        }
+    }
+}
+
+@Preview
+@Composable
+fun FriendsOverviewPreview() {
+    StudeezTheme {
+        FriendsOverviewScreen(
+            popUp = {},
+            uiState = FriendsOverviewUiState(""),
+            friendsOverviewActions = FriendsOverviewActions(
+                getFriendsFlow = { emptyFlow() },
+                searchFriends = {},
+                onQueryStringChange = {},
+                onSubmit = {},
+                viewProfile = {},
+                removeFriend = {}
+            )
+        )
+    }
+}
+
+@Composable
+fun FriendsEntry(
+    user: User,
+    friendship: Friendship,
+    viewProfile: (String) -> Unit,
+    removeFriend: (Friendship) -> Unit
+) {
+    Card {
+        Row (
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal = 15.dp, vertical = 7.dp),
+            horizontalArrangement = Arrangement.spacedBy(15.dp)
+        ) {
+            Box(
+                modifier = Modifier
+                    .padding(vertical = 4.dp)
+            ) {
+                ProfilePicture()
+            }
+
+            Box (
+                modifier = Modifier
+                    .fillMaxWidth()
+            ) {
+                Column (
+                    modifier = Modifier
+                        .padding(vertical = 4.dp)
+                ) {
+                    Text(
+                        text = user.username,
+                        fontSize = 16.sp,
+                        maxLines = 1,
+                        overflow = TextOverflow.Ellipsis
+                    )
+                    Text(
+                        text = "${resources().getString(AppText.app_name)} ${resources().getString(AppText.friend)}",
+                        fontSize = 14.sp,
+                        maxLines = 1,
+                        overflow = TextOverflow.Ellipsis
+                    )
+                }
+
+                Box(
+                    modifier = Modifier.fillMaxWidth(),
+                    contentAlignment = Alignment.CenterEnd
+                ) {
+                    FriendsOverviewDropDown(
+                        friendship = friendship,
+                        viewProfile = viewProfile,
+                        removeFriend = removeFriend
+                    )
+                }
+            }
+        }
+    }
+}
+
+@Preview
+@Composable
+fun FriendsEntryPreview() {
+    StudeezTheme {
+        FriendsEntry(
+            user = User(
+                id = "",
+                username = "Tibo De Peuter",
+                biography = "short bio"
+            ),
+            friendship = Friendship(
+                id = "",
+                friendId = "someId",
+                friendsSince = Timestamp.now(),
+                accepted = true
+            ),
+            viewProfile = {},
+            removeFriend = {}
+        )
+    }
+}
+
+@Composable
+fun FriendsOverviewDropDown(
+    friendship: Friendship,
+    viewProfile: (String) -> Unit,
+    removeFriend: (Friendship) -> Unit
+) {
+    var expanded by remember { mutableStateOf(false) }
+
+    IconButton(
+        onClick = { expanded = true }
+    ) {
+        Icon(
+            imageVector = ImageVector.vectorResource(id = R.drawable.ic_more_horizontal),
+            contentDescription = resources().getString(AppText.view_more),
+            modifier = Modifier.fillMaxSize()
+        )
+    }
+
+    DropdownMenu(
+        expanded = expanded,
+        onDismissRequest = { expanded = false }
+    ) {
+        DrawerEntry(
+            icon = Icons.Default.Person,
+            text = stringResource(id = AppText.show_profile)
+        ) {
+            viewProfile(friendship.friendId)
+        }
+        DrawerEntry(
+            icon = Icons.Default.Delete,
+            text = stringResource(id = AppText.remove_friend)
+        ) {
+            removeFriend(friendship)
+            expanded = false
+        }
+    }
+}
+
+@Preview
+@Composable
+fun FriendsOverviewDropDownPreview() {
+    StudeezTheme {
+        FriendsOverviewDropDown(
+            friendship = Friendship(
+                id = "",
+                friendId = "someId",
+                friendsSince = Timestamp.now(),
+                accepted = true
+            ),
+            viewProfile = {},
+            removeFriend = { }
+        )
+    }
+}

app/src/main/java/be/ugent/sel/studeez/screens/friends/friends_overview/FriendsOverviewUiState.kt

@@ -0,0 +1,6 @@
+package be.ugent.sel.studeez.screens.friends.friends_overview
+
+data class FriendsOverviewUiState(
+    val userId: String,
+    val queryString: String = ""
+)

app/src/main/java/be/ugent/sel/studeez/screens/friends/friends_overview/FriendsOverviewViewModel.kt

@@ -0,0 +1,78 @@
+package be.ugent.sel.studeez.screens.friends.friends_overview
+
+import androidx.compose.runtime.mutableStateOf
+import be.ugent.sel.studeez.data.SelectedUserId
+import be.ugent.sel.studeez.data.local.models.Friendship
+import be.ugent.sel.studeez.data.local.models.User
+import be.ugent.sel.studeez.domain.FriendshipDAO
+import be.ugent.sel.studeez.domain.LogService
+import be.ugent.sel.studeez.domain.UserDAO
+import be.ugent.sel.studeez.navigation.StudeezDestinations
+import be.ugent.sel.studeez.screens.StudeezViewModel
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.flatMapConcat
+import javax.inject.Inject
+
+@HiltViewModel
+class FriendsOverviewViewModel @Inject constructor(
+    private val userDAO: UserDAO,
+    private val friendshipDAO: FriendshipDAO,
+    private val selectedUserIdState: SelectedUserId,
+    logService: LogService
+) : StudeezViewModel(logService) {
+
+    var uiState = mutableStateOf(FriendsOverviewUiState(
+        userId = selectedUserIdState.value
+    ))
+        private set
+
+    fun getAllFriends(): Flow<List<Pair<User, Friendship>>> {
+        return friendshipDAO.getAllFriendships(
+                userId = uiState.value.userId
+            )
+            .flatMapConcat { friendships ->
+                val userFlows = friendships.map { friendship ->
+                    userDAO.getUserDetails(friendship.friendId)
+                }
+                combine(userFlows) { users ->
+                    friendships.zip(users) { friendship, user ->
+                        Pair(user, friendship)
+                    }
+                }
+            }
+    }
+
+    fun searchFriends(open: (String) -> Unit) {
+        open(StudeezDestinations.SEARCH_FRIENDS_SCREEN)
+    }
+
+    fun onQueryStringChange(newValue: String) {
+        uiState.value = uiState.value.copy(
+            queryString = newValue
+        )
+    }
+
+    fun onSubmit(open: (String) -> Unit) {
+        val query = uiState.value.queryString // TODO Pass as argument
+        open(StudeezDestinations.SEARCH_FRIENDS_SCREEN)
+    }
+
+    fun viewProfile(
+        userId: String,
+        open: (String) -> Unit
+    ) {
+        selectedUserIdState.value = userId
+        open(StudeezDestinations.PUBLIC_PROFILE_SCREEN)
+    }
+
+    fun removeFriend(
+        friendship: Friendship
+    ) {
+        friendshipDAO.removeFriendship(
+            friendship = friendship
+        )
+    }
+
+}

app/src/main/java/be/ugent/sel/studeez/screens/friends/friends_search/SearchFriendUiState.kt

@@ -0,0 +1,10 @@
+package be.ugent.sel.studeez.screens.friends.friends_search
+
+import be.ugent.sel.studeez.data.local.models.User
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.emptyFlow
+
+data class SearchFriendUiState(
+    val queryString: String = "",
+    val searchResults: Flow<List<User>> = emptyFlow()
+)

app/src/main/java/be/ugent/sel/studeez/screens/friends/friends_search/SearchFriendsScreen.kt

@@ -0,0 +1,264 @@
+package be.ugent.sel.studeez.screens.friends.friends_search
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.material.*
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material.icons.filled.Person
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.res.vectorResource
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import be.ugent.sel.studeez.R
+import be.ugent.sel.studeez.common.composable.ProfilePicture
+import be.ugent.sel.studeez.common.composable.drawer.DrawerEntry
+import be.ugent.sel.studeez.data.local.models.User
+import be.ugent.sel.studeez.resources
+import be.ugent.sel.studeez.ui.theme.StudeezTheme
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.flowOf
+import be.ugent.sel.studeez.R.string as AppText
+
+data class SearchFriendsActions(
+    val onQueryStringChange: (String) -> Unit,
+    val getUsersWithUsername: (String) -> Unit,
+    val getAllUsers: () -> Flow<List<User>>,
+    val goToProfile: (String) -> Unit
+)
+
+fun getSearchFriendsActions(
+    viewModel: SearchFriendsViewModel,
+    open: (String) -> Unit
+): SearchFriendsActions {
+    return SearchFriendsActions(
+        onQueryStringChange = viewModel::onQueryStringChange,
+        getUsersWithUsername = viewModel::getUsersWithUsername,
+        getAllUsers = { viewModel.getAllUsers() },
+        goToProfile = { userId -> viewModel.goToProfile(userId, open) }
+    )
+}
+
+@Composable
+fun SearchFriendsRoute(
+    popUp: () -> Unit,
+    open: (String) -> Unit,
+    viewModel: SearchFriendsViewModel
+) {
+    val uiState by viewModel.uiState
+
+    SearchFriendsScreen(
+        popUp = popUp,
+        uiState = uiState,
+        searchFriendsActions = getSearchFriendsActions(
+            viewModel = viewModel,
+            open = open
+        )
+    )
+}
+
+@Composable
+fun SearchFriendsScreen(
+    popUp: () -> Unit,
+    uiState: SearchFriendUiState,
+    searchFriendsActions: SearchFriendsActions
+) {
+    var query by remember { mutableStateOf(uiState.queryString) }
+    val searchResults = searchFriendsActions.getAllUsers().collectAsState(
+        initial = emptyList()
+    )
+
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                title = {
+                    // TODO Make search field
+//                    SearchField(
+//                        value = uiState.queryString,
+//                        onValueChange = friendsOverviewActions.onQueryStringChange,
+//                        onSubmit = friendsOverviewActions.onSubmit,
+//                        label = AppText.search_friends,
+//                        enabled = false
+//                    )
+                    Text(
+                        text = stringResource(id = AppText.searching_friends)
+                    )
+                },
+                navigationIcon = {
+                    IconButton(onClick = popUp) {
+                        Icon(
+                            imageVector = Icons.Default.ArrowBack,
+                            contentDescription = resources().getString(R.string.go_back)
+                        )
+                    }
+                }
+            )
+        }
+    ) { paddingValues ->
+        LazyColumn(
+            modifier = Modifier.padding(paddingValues)
+        ) {
+            items (searchResults.value) { user ->
+                UserEntry(
+                    user = user,
+                    goToProfile = searchFriendsActions.goToProfile
+                )
+            }
+        }
+    }
+}
+
+@Preview
+@Composable
+fun SearchFriendsPreview() {
+    StudeezTheme {
+        SearchFriendsScreen(
+            popUp = {},
+            uiState = SearchFriendUiState(
+                queryString = "dit is een test",
+                searchResults = flowOf(listOf(User(
+                    id = "someid",
+                    username = "Eerste user",
+                    biography = "blah blah blah"
+                )))
+            ),
+            searchFriendsActions = SearchFriendsActions(
+                onQueryStringChange = {},
+                getUsersWithUsername = {},
+                getAllUsers = {
+                    flowOf(listOf(User(
+                        id = "someid",
+                        username = "Eerste user",
+                        biography = "blah blah blah"
+                    )))
+                },
+                goToProfile = { }
+            )
+        )
+    }
+}
+
+@Composable
+fun UserEntry(
+    user: User,
+    goToProfile: (String) -> Unit
+) {
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(horizontal = 15.dp, vertical = 7.dp),
+        horizontalArrangement = Arrangement.spacedBy(15.dp)
+    ) {
+        Box(
+            modifier = Modifier
+                .padding(vertical = 4.dp)
+        ) {
+            ProfilePicture()
+        }
+
+        Box (
+            modifier = Modifier
+                .fillMaxWidth()
+        ) {
+            Column (
+                modifier = Modifier
+                    .padding(vertical = 4.dp)
+            ) {
+                Text(
+                    text = user.username,
+                    fontSize = 16.sp,
+                    maxLines = 1,
+                    overflow = TextOverflow.Ellipsis
+                )
+                Text(
+                    text = "${resources().getString(AppText.app_name)} ${resources().getString(AppText.friend)}",
+                    fontSize = 14.sp,
+                    maxLines = 1,
+                    overflow = TextOverflow.Ellipsis
+                )
+            }
+
+            Box(
+                modifier = Modifier.fillMaxWidth(),
+                contentAlignment = Alignment.CenterEnd
+            ) {
+                SearchFriendsDropDown(
+                    user = user,
+                    goToProfile = goToProfile
+                )
+            }
+        }
+    }
+}
+
+@Preview
+@Composable
+fun UserEntryPreview() {
+    StudeezTheme {
+        UserEntry(
+            user = User(
+                id = "someid",
+                username = "Eerste user",
+                biography = "blah blah blah"
+            ),
+            goToProfile = { }
+        )
+    }
+}
+
+/**
+ * Three dots that open a dropdown menu that allow to go the users profile.
+ */
+@Composable
+fun SearchFriendsDropDown(
+    user: User,
+    goToProfile: (String) -> Unit
+) {
+    var expanded by remember { mutableStateOf(false) }
+
+    IconButton(
+        onClick = { expanded = true }
+    ) {
+        Icon(
+            imageVector = ImageVector.vectorResource(id = R.drawable.ic_more_horizontal),
+            contentDescription = stringResource(AppText.view_more),
+            modifier = Modifier.fillMaxSize()
+        )
+    }
+
+    DropdownMenu(
+        expanded = expanded,
+        onDismissRequest = { expanded = false }
+    ) {
+        DropdownMenuItem(onClick = { expanded = false }) {
+            DrawerEntry(
+                icon = Icons.Default.Person,
+                text = stringResource(id = AppText.show_profile)
+            ) {
+                goToProfile(user.id)
+            }
+        }
+    }
+}
+
+@Preview
+@Composable
+fun SearchFriendsDropDownPreview() {
+    StudeezTheme {
+        SearchFriendsDropDown(
+            user = User(
+                id = "someid",
+                username = "Eerste user",
+                biography = "blah blah blah"
+            ),
+            goToProfile = { }
+        )
+    }
+}

app/src/main/java/be/ugent/sel/studeez/screens/friends/friends_search/SearchFriendsViewModel.kt

@@ -0,0 +1,66 @@
+package be.ugent.sel.studeez.screens.friends.friends_search
+
+import androidx.compose.runtime.mutableStateOf
+import be.ugent.sel.studeez.data.SelectedUserId
+import be.ugent.sel.studeez.data.local.models.User
+import be.ugent.sel.studeez.data.remote.FirebaseUser
+import be.ugent.sel.studeez.domain.LogService
+import be.ugent.sel.studeez.domain.UserDAO
+import be.ugent.sel.studeez.navigation.StudeezDestinations
+import be.ugent.sel.studeez.screens.StudeezViewModel
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+import javax.inject.Inject
+
+@HiltViewModel
+class SearchFriendsViewModel @Inject constructor(
+    private val userDAO: UserDAO,
+    private val selectedProfileState: SelectedUserId,
+    logService: LogService
+): StudeezViewModel(logService) {
+
+    var uiState = mutableStateOf(SearchFriendUiState())
+        private set
+
+    fun onQueryStringChange(newValue: String) {
+        uiState.value = uiState.value.copy(
+            queryString = newValue
+        )
+        uiState.value = uiState.value.copy(
+            searchResults = userDAO.getUsersWithQuery(
+                fieldName = FirebaseUser.USERNAME,
+                value = uiState.value.queryString
+            )
+        )
+    }
+
+    fun getUsersWithUsername(
+        value: String
+    ): Flow<List<User>> {
+        return userDAO.getUsersWithQuery(
+            fieldName = FirebaseUser.USERNAME,
+            value = value
+        )
+    }
+
+    /**
+     * Get all users, except for the current user.
+     */
+    fun getAllUsers(): Flow<List<User>> {
+        return userDAO.getAllUsers()
+            .map { users ->
+                users.filter { user ->
+                    user.id != userDAO.getCurrentUserId()
+                }
+            }
+    }
+
+    fun goToProfile(
+        userId: String,
+        open: (String) -> Unit
+    ) {
+        selectedProfileState.value = userId
+        open(StudeezDestinations.PUBLIC_PROFILE_SCREEN)
+    }
+}

app/src/main/java/be/ugent/sel/studeez/screens/friends_feed/FriendsFeedScreen.kt

@@ -9,7 +9,6 @@ import androidx.compose.material.Card
 import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.collectAsState
-import androidx.compose.runtime.getValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
@@ -20,7 +19,6 @@ import androidx.compose.ui.unit.dp
 import be.ugent.sel.studeez.common.composable.DateText
 import be.ugent.sel.studeez.common.composable.PrimaryScreenTemplate
 import be.ugent.sel.studeez.common.composable.drawer.DrawerActions
-import be.ugent.sel.studeez.common.composable.feed.LoadingFeed
 import be.ugent.sel.studeez.common.composable.navbar.NavigationBarActions
 import be.ugent.sel.studeez.data.local.models.FeedEntry
 import be.ugent.sel.studeez.data.local.models.timer_functional.HoursMinutesSeconds
@@ -33,11 +31,10 @@ fun FriendsFeedRoute(
     drawerActions: DrawerActions,
     navigationBarActions: NavigationBarActions
 ) {
-    val friendsFeedUiState by viewModel.uiState.collectAsState()
     FriendsFeedScreen(
         drawerActions = drawerActions,
         navigationBarActions = navigationBarActions,
-        uiState = friendsFeedUiState,
+        viewModel = viewModel
     )
 }
 
@@ -45,20 +42,22 @@ fun FriendsFeedRoute(
 fun FriendsFeedScreen(
     drawerActions: DrawerActions,
     navigationBarActions: NavigationBarActions,
-    uiState: FriendsFeedUiState,
+    viewModel: FriendsFeedViewModel
 ) {
     PrimaryScreenTemplate(
         title = resources().getString(AppText.friends_feed),
         drawerActions = drawerActions,
         navigationBarActions = navigationBarActions
     ) {
-        when (uiState) {
-            FriendsFeedUiState.Loading -> LoadingFeed()
-            is FriendsFeedUiState.Succes -> {
-                val friendsSessions = uiState.friendSessions
+
+        val friendsSessions = viewModel.getFriendsSessions().collectAsState(initial = emptyList())
+            
+
+
+
         LazyColumn() {
             // Default Timers, cannot be edited
-                    items(friendsSessions) {
+            items(friendsSessions.value) {
                 val (day, feedEntries) = it
                 DateText(date = day)
                 feedEntries.forEach { (name, feedEntry) ->
@@ -67,8 +66,7 @@ fun FriendsFeedScreen(
                 Spacer(modifier = Modifier.height(10.dp))
             }
         }
-            }
-        }
+
     }
 }
 

app/src/main/java/be/ugent/sel/studeez/screens/friends_feed/FriendsFeedViewModel.kt

@@ -1,14 +1,15 @@
 package be.ugent.sel.studeez.screens.friends_feed
 
-import androidx.lifecycle.viewModelScope
+import be.ugent.sel.studeez.data.local.models.FeedEntry
+import be.ugent.sel.studeez.data.local.models.task.Task
 import be.ugent.sel.studeez.domain.FeedDAO
 import be.ugent.sel.studeez.domain.LogService
+import be.ugent.sel.studeez.domain.SessionDAO
 import be.ugent.sel.studeez.screens.StudeezViewModel
 import dagger.hilt.android.lifecycle.HiltViewModel
-import kotlinx.coroutines.flow.SharingStarted
-import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.map
-import kotlinx.coroutines.flow.stateIn
+import kotlinx.coroutines.flow.toList
 import javax.inject.Inject
 
 @HiltViewModel
@@ -17,13 +18,10 @@ class FriendsFeedViewModel @Inject constructor(
     logService: LogService
 ) : StudeezViewModel(logService) {
 
-    val uiState: StateFlow<FriendsFeedUiState> = feedDAO.getFriendsSessions()
-        .map { it.toList() }
-        .map { FriendsFeedUiState.Succes(it) }
-        .stateIn(
-            scope = viewModelScope,
-            initialValue = FriendsFeedUiState.Loading,
-            started = SharingStarted.Eagerly,
-        )
+    fun getFriendsSessions(): Flow<List<Pair<String, List<Pair<String, FeedEntry>>>>> {
+        return feedDAO.getFriendsSessions().map { it.toList() }
+    }
+
+
 }
 

app/src/main/java/be/ugent/sel/studeez/screens/home/HomeScreen.kt

@@ -5,14 +5,17 @@ import androidx.compose.material.IconButton
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Person
 import androidx.compose.runtime.Composable
-import androidx.compose.ui.Modifier
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
 import androidx.compose.ui.tooling.preview.Preview
 import be.ugent.sel.studeez.R
-import be.ugent.sel.studeez.common.composable.BasicButton
 import be.ugent.sel.studeez.common.composable.PrimaryScreenTemplate
 import be.ugent.sel.studeez.common.composable.drawer.DrawerActions
+import be.ugent.sel.studeez.common.composable.feed.Feed
+import be.ugent.sel.studeez.common.composable.feed.FeedUiState
+import be.ugent.sel.studeez.common.composable.feed.FeedViewModel
 import be.ugent.sel.studeez.common.composable.navbar.NavigationBarActions
-import be.ugent.sel.studeez.common.ext.basicButton
+import be.ugent.sel.studeez.data.local.models.FeedEntry
 import be.ugent.sel.studeez.resources
 
 @Composable
@@ -21,35 +24,43 @@ fun HomeRoute(
     viewModel: HomeViewModel,
     drawerActions: DrawerActions,
     navigationBarActions: NavigationBarActions,
+    feedViewModel: FeedViewModel,
 ) {
+    val feedUiState by feedViewModel.uiState.collectAsState()
     HomeScreen(
-        onStartSessionClick = { viewModel.onStartSessionClick(open) },
+        onViewFriendsClick = { viewModel.onViewFriendsClick(open) },
         drawerActions = drawerActions,
         navigationBarActions = navigationBarActions,
+        feedUiState = feedUiState,
+        continueTask = { subjectId, taskId -> feedViewModel.continueTask(open, subjectId, taskId) },
+        onEmptyFeedHelp = { feedViewModel.onEmptyFeedHelp(open) }
     )
 }
 
 @Composable
 fun HomeScreen(
-    onStartSessionClick: () -> Unit,
+    onViewFriendsClick: () -> Unit,
     drawerActions: DrawerActions,
-    navigationBarActions: NavigationBarActions
+    navigationBarActions: NavigationBarActions,
+    feedUiState: FeedUiState,
+    continueTask: (String, String) -> Unit,
+    onEmptyFeedHelp: () -> Unit,
 ) {
     PrimaryScreenTemplate(
         title = resources().getString(R.string.home),
         drawerActions = drawerActions,
         navigationBarActions = navigationBarActions,
-        // TODO barAction = { FriendsAction() }
+        barAction = { FriendsAction(onViewFriendsClick) }
     ) {
-        BasicButton(R.string.start_session, Modifier.basicButton()) {
-            onStartSessionClick()
-        }
+        Feed(feedUiState, continueTask, onEmptyFeedHelp)
     }
 }
 
 @Composable
-fun FriendsAction() {
-    IconButton(onClick = { /*TODO*/ }) {
+fun FriendsAction(
+    onClick: () -> Unit
+) {
+    IconButton(onClick = onClick) {
         Icon(
             imageVector = Icons.Default.Person,
             contentDescription = resources().getString(R.string.friends)
@@ -61,8 +72,40 @@ fun FriendsAction() {
 @Composable
 fun HomeScreenPreview() {
     HomeScreen(
-        onStartSessionClick = {},
+        onViewFriendsClick = {},
         drawerActions = DrawerActions({}, {}, {}, {}, {}),
-        navigationBarActions = NavigationBarActions({ false }, {}, {}, {}, {}, {}, {}, {})
+        navigationBarActions = NavigationBarActions({ false }, {}, {}, {}, {}, {}, {}, {}),
+        feedUiState = FeedUiState.Succes(
+            mapOf(
+                "08 May 2023" to listOf(
+                    FeedEntry(
+                        argb_color = 0xFFABD200,
+                        subJectName = "Test Subject",
+                        taskName = "Test Task",
+                        totalStudyTime = 600,
+                    ),
+                    FeedEntry(
+                        argb_color = 0xFFFFD200,
+                        subJectName = "Test Subject",
+                        taskName = "Test Task",
+                        totalStudyTime = 20,
+                    ),
+                ),
+                "09 May 2023" to listOf(
+                    FeedEntry(
+                        argb_color = 0xFFFD1200,
+                        subJectName = "Test Subject",
+                        taskName = "Test Task",
+                    ),
+                    FeedEntry(
+                        argb_color = 0xFFFF5C89,
+                        subJectName = "Test Subject",
+                        taskName = "Test Task",
+                    ),
+                )
+            )
+        ),
+        continueTask = { _, _ -> run {} },
+        onEmptyFeedHelp = {}
     )
 }

app/src/main/java/be/ugent/sel/studeez/screens/home/HomeViewModel.kt

@@ -1,6 +1,4 @@
 package be.ugent.sel.studeez.screens.home
-
-import be.ugent.sel.studeez.domain.AccountDAO
 import be.ugent.sel.studeez.domain.LogService
 import be.ugent.sel.studeez.navigation.StudeezDestinations
 import be.ugent.sel.studeez.screens.StudeezViewModel
@@ -9,11 +7,11 @@ import javax.inject.Inject
 
 @HiltViewModel
 class HomeViewModel @Inject constructor(
-    private val accountDAO: AccountDAO,
     logService: LogService
 ) : StudeezViewModel(logService) {
 
-    fun onStartSessionClick(open: (String) -> Unit) {
-        open(StudeezDestinations.TIMER_SELECTION_SCREEN)
+
+    fun onViewFriendsClick(open: (String) -> Unit) {
+        open(StudeezDestinations.FRIENDS_OVERVIEW_SCREEN)
     }
 }

app/src/main/java/be/ugent/sel/studeez/screens/profile/ProfileEditUiState.kt

@@ -1,5 +0,0 @@
-package be.ugent.sel.studeez.screens.profile
-
-data class ProfileEditUiState (
-    val username: String = ""
-)

app/src/main/java/be/ugent/sel/studeez/screens/profile/ProfileScreen.kt

@@ -1,37 +1,50 @@
 package be.ugent.sel.studeez.screens.profile
 
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.material.Button
 import androidx.compose.material.Icon
 import androidx.compose.material.IconButton
+import androidx.compose.material.Text
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Edit
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
-import androidx.compose.runtime.setValue
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
 import be.ugent.sel.studeez.R
 import be.ugent.sel.studeez.common.composable.Headline
 import be.ugent.sel.studeez.common.composable.PrimaryScreenTemplate
 import be.ugent.sel.studeez.common.composable.drawer.DrawerActions
 import be.ugent.sel.studeez.common.composable.navbar.NavigationBarActions
+import be.ugent.sel.studeez.common.ext.defaultButtonShape
 import be.ugent.sel.studeez.resources
+import be.ugent.sel.studeez.ui.theme.StudeezTheme
 import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.emptyFlow
 import be.ugent.sel.studeez.R.string as AppText
 
 data class ProfileActions(
     val getUsername: suspend CoroutineScope.() -> String?,
+    val getBiography: suspend CoroutineScope.() -> String?,
+    val getAmountOfFriends: () -> Flow<Int>,
     val onEditProfileClick: () -> Unit,
+    val onViewFriendsClick: () -> Unit
 )
 
 fun getProfileActions(
     viewModel: ProfileViewModel,
-    open: (String) -> Unit,
+    open: (String) -> Unit
 ): ProfileActions {
     return ProfileActions(
         getUsername = { viewModel.getUsername() },
+        getBiography = { viewModel.getBiography() },
+        getAmountOfFriends = { viewModel.getAmountOfFriends() },
         onEditProfileClick = { viewModel.onEditProfileClick(open) },
+        onViewFriendsClick = { viewModel.onViewFriendsClick(open) }
     )
 }
 
@@ -56,8 +69,12 @@ fun ProfileScreen(
     navigationBarActions: NavigationBarActions,
 ) {
     var username: String? by remember { mutableStateOf("") }
+    var biography: String? by remember { mutableStateOf("") }
+    val amountOfFriends = profileActions.getAmountOfFriends().collectAsState(initial = 0)
+
     LaunchedEffect(key1 = Unit) {
         username = profileActions.getUsername(this)
+        biography = profileActions.getBiography(this)
     }
     PrimaryScreenTemplate(
         title = resources().getString(AppText.profile),
@@ -65,7 +82,35 @@ fun ProfileScreen(
         navigationBarActions = navigationBarActions,
         barAction = { EditAction(onClick = profileActions.onEditProfileClick) }
     ) {
-        Headline(text = (username ?: resources().getString(R.string.no_username)))
+        LazyColumn(
+            verticalArrangement = Arrangement.spacedBy(15.dp)
+        ) {
+            item {
+                Headline(text = username ?: resources().getString(AppText.no_username))
+            }
+
+            item {
+                Row(
+                    horizontalArrangement = Arrangement.spacedBy(5.dp),
+                    modifier = Modifier.fillMaxWidth()
+                        .wrapContentWidth(align = Alignment.CenterHorizontally)
+                ) {
+                    AmountOfFriendsButton(
+                        amountOfFriends = amountOfFriends.value
+                    ) {
+                        profileActions.onViewFriendsClick()
+                    }
+                }
+            }
+
+            item {
+                Text(
+                    text = biography ?: "",
+                    textAlign = TextAlign.Center,
+                    modifier = Modifier.padding(48.dp, 0.dp)
+                )
+            }
+        }
     }
 }
 
@@ -78,7 +123,6 @@ fun EditAction(
             imageVector = Icons.Default.Edit,
             contentDescription = resources().getString(AppText.edit_profile)
         )
-
     }
 }
 
@@ -86,8 +130,38 @@ fun EditAction(
 @Composable
 fun ProfileScreenPreview() {
     ProfileScreen(
-        profileActions = ProfileActions({ null }, {}),
+        profileActions = ProfileActions({ null }, { null }, { emptyFlow() }, {}, {}),
         drawerActions = DrawerActions({}, {}, {}, {}, {}),
         navigationBarActions = NavigationBarActions({ false }, {}, {}, {}, {}, {}, {}, {})
     )
 }
+
+@Composable
+fun AmountOfFriendsButton(
+    amountOfFriends: Int,
+    onClick: () -> Unit
+){
+    Button(
+        onClick = onClick,
+        shape = defaultButtonShape()
+    ) {
+        Text(
+            text = resources().getQuantityString(
+                /* id = */ R.plurals.friends_amount,
+                /* quantity = */ amountOfFriends,
+                /* ...formatArgs = */ amountOfFriends
+            )
+        )
+    }
+}
+
+@Preview
+@Composable
+fun AmountOfFriendsButtonPreview() {
+    StudeezTheme {
+        Column {
+            AmountOfFriendsButton(amountOfFriends = 1) { }
+            AmountOfFriendsButton(amountOfFriends = 100) { }
+        }
+    }
+}

app/src/main/java/be/ugent/sel/studeez/screens/profile/ProfileViewModel.kt

@@ -1,24 +1,39 @@
 package be.ugent.sel.studeez.screens.profile
 
+import be.ugent.sel.studeez.domain.FriendshipDAO
 import be.ugent.sel.studeez.domain.LogService
 import be.ugent.sel.studeez.domain.UserDAO
 import be.ugent.sel.studeez.navigation.StudeezDestinations
 import be.ugent.sel.studeez.screens.StudeezViewModel
 import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.Flow
 import javax.inject.Inject
 
 @HiltViewModel
 class ProfileViewModel @Inject constructor(
     private val userDAO: UserDAO,
+    private val friendshipDAO: FriendshipDAO,
     logService: LogService
 ) : StudeezViewModel(logService) {
 
-    suspend fun getUsername(): String? {
-        return userDAO.getUsername()
+    suspend fun getUsername(): String {
+        return userDAO.getLoggedInUser().username
+    }
+
+    suspend fun getBiography(): String {
+        return userDAO.getLoggedInUser().biography
+    }
+
+    fun getAmountOfFriends(): Flow<Int> {
+        return friendshipDAO.getFriendshipCount(userDAO.getCurrentUserId())
     }
 
     fun onEditProfileClick(open: (String) -> Unit) {
         open(StudeezDestinations.EDIT_PROFILE_SCREEN)
     }
 
+    fun onViewFriendsClick(open: (String) -> Unit) {
+        open(StudeezDestinations.FRIENDS_OVERVIEW_SCREEN)
+    }
+
 }

app/src/main/java/be/ugent/sel/studeez/screens/profile/edit_profile/ProfileEditScreen.kt

@@ -1,20 +1,21 @@
-package be.ugent.sel.studeez.screens.profile
+package be.ugent.sel.studeez.screens.profile.edit_profile
 
-import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.tooling.preview.Preview
-import be.ugent.sel.studeez.R
 import be.ugent.sel.studeez.common.composable.BasicTextButton
 import be.ugent.sel.studeez.common.composable.LabelledInputField
 import be.ugent.sel.studeez.common.composable.SecondaryScreenTemplate
 import be.ugent.sel.studeez.common.ext.textButton
 import be.ugent.sel.studeez.resources
 import be.ugent.sel.studeez.ui.theme.StudeezTheme
+import be.ugent.sel.studeez.R.string as AppText
 
 data class EditProfileActions(
     val onUserNameChange: (String) -> Unit,
+    val onBiographyChange: (String) -> Unit,
     val onSaveClick: () -> Unit,
     val onDeleteClick: () -> Unit
 )
@@ -25,6 +26,7 @@ fun getEditProfileActions(
 ): EditProfileActions {
     return EditProfileActions(
         onUserNameChange = { viewModel.onUsernameChange(it) },
+        onBiographyChange = { viewModel.onBiographyChange(it) },
         onSaveClick = { viewModel.onSaveClick() },
         onDeleteClick = { viewModel.onDeleteClick(openAndPopUp) },
     )
@@ -51,36 +53,49 @@ fun EditProfileScreen(
     editProfileActions: EditProfileActions,
 ) {
     SecondaryScreenTemplate(
-        title = resources().getString(R.string.editing_profile),
+        title = resources().getString(AppText.editing_profile),
         popUp = goBack
     ) {
-        Column {
+        LazyColumn {
+            item {
                 LabelledInputField(
                     value = uiState.username,
                     onNewValue = editProfileActions.onUserNameChange,
-                label = R.string.username
+                    label = AppText.username
                 )
+            }
+            item {
+                LabelledInputField(
+                    value = uiState.biography,
+                    onNewValue = editProfileActions.onBiographyChange,
+                    label = AppText.biography
+                )
+            }
+            item {
                 BasicTextButton(
-                text = R.string.save,
+                    text = AppText.save,
                     Modifier.textButton(),
                     action = {
                         editProfileActions.onSaveClick()
                         goBack()
                     }
                 )
+            }
+            item {
                  BasicTextButton(
-                text = R.string.delete_profile,
+                    text = AppText.delete_profile,
                     Modifier.textButton(),
                     action = editProfileActions.onDeleteClick
                 )
             }
         }
     }
+}
 
 @Preview
 @Composable
 fun EditProfileScreenComposable() {
     StudeezTheme {
-        EditProfileScreen({}, ProfileEditUiState(), EditProfileActions({}, {}, {}))
+        EditProfileScreen({}, ProfileEditUiState(), EditProfileActions({}, {}, {}, {}))
     }
 }

app/src/main/java/be/ugent/sel/studeez/screens/profile/edit_profile/ProfileEditUiState.kt

@@ -0,0 +1,6 @@
+package be.ugent.sel.studeez.screens.profile.edit_profile
+
+data class ProfileEditUiState (
+    val username: String = "",
+    val biography: String = ""
+)

app/src/main/java/be/ugent/sel/studeez/screens/profile/edit_profile/ProfileEditViewModel.kt

@@ -1,8 +1,9 @@
-package be.ugent.sel.studeez.screens.profile
+package be.ugent.sel.studeez.screens.profile.edit_profile
 
 import androidx.compose.runtime.mutableStateOf
 import be.ugent.sel.studeez.R
 import be.ugent.sel.studeez.common.snackbar.SnackbarManager
+import be.ugent.sel.studeez.data.local.models.User
 import be.ugent.sel.studeez.domain.AccountDAO
 import be.ugent.sel.studeez.domain.LogService
 import be.ugent.sel.studeez.domain.UserDAO
@@ -23,7 +24,11 @@ class ProfileEditViewModel @Inject constructor(
 
     init {
         launchCatching {
-            uiState.value = uiState.value.copy(username = userDAO.getUsername()!!)
+            val user: User = userDAO.getLoggedInUser()
+            uiState.value = uiState.value.copy(
+                username = user.username,
+                biography = user.biography
+            )
         }
     }
 
@@ -31,16 +36,23 @@ class ProfileEditViewModel @Inject constructor(
         uiState.value = uiState.value.copy(username = newValue)
     }
 
+    fun onBiographyChange(newValue: String) {
+        uiState.value = uiState.value.copy(biography = newValue)
+    }
+
     fun onSaveClick() {
         launchCatching {
-            userDAO.save(uiState.value.username)
+            userDAO.saveLoggedInUser(
+                newUsername = uiState.value.username,
+                newBiography = uiState.value.biography
+            )
             SnackbarManager.showMessage(R.string.success)
         }
     }
 
     fun onDeleteClick(openAndPopUp: (String, String) -> Unit) {
         launchCatching {
-            userDAO.deleteUserReferences() // Delete references
+            userDAO.deleteLoggedInUserReferences() // Delete references
             accountDAO.deleteAccount() // Delete authentication
         }
         openAndPopUp(StudeezDestinations.SIGN_UP_SCREEN, StudeezDestinations.EDIT_PROFILE_SCREEN)

app/src/main/java/be/ugent/sel/studeez/screens/profile/public_profile/PublicProfileScreen.kt

@@ -0,0 +1,179 @@
+package be.ugent.sel.studeez.screens.profile.public_profile
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.material.*
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.MailOutline
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.res.vectorResource
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import be.ugent.sel.studeez.R
+import be.ugent.sel.studeez.common.composable.Headline
+import be.ugent.sel.studeez.common.composable.SecondaryScreenTemplate
+import be.ugent.sel.studeez.common.composable.drawer.DrawerEntry
+import be.ugent.sel.studeez.data.local.models.User
+import be.ugent.sel.studeez.resources
+import be.ugent.sel.studeez.screens.profile.AmountOfFriendsButton
+import be.ugent.sel.studeez.ui.theme.StudeezTheme
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.flowOf
+import be.ugent.sel.studeez.R.string as AppText
+
+data class PublicProfileActions(
+    val getUserDetails: () -> Flow<User>,
+    val getAmountOfFriends: () -> Flow<Int>,
+    val onViewFriendsClick: () -> Unit,
+    val sendFriendRequest: () -> Unit
+)
+
+fun getPublicProfileActions(
+    viewModel: PublicProfileViewModel,
+    open: (String) -> Unit
+): PublicProfileActions {
+    return PublicProfileActions(
+        getUserDetails = { viewModel.getUserDetails(viewModel.uiState.value.userId) },
+        getAmountOfFriends = { viewModel.getAmountOfFriends(
+            userId = viewModel.uiState.value.userId
+        ) },
+        onViewFriendsClick = { viewModel.onViewFriendsClick(open) },
+        sendFriendRequest = {
+            viewModel.sendFriendRequest(
+                userId = viewModel.uiState.value.userId
+            )
+        }
+    )
+}
+
+@Composable
+fun PublicProfileRoute(
+    popUp: () -> Unit,
+    open: (String) -> Unit,
+    viewModel: PublicProfileViewModel
+) {
+    PublicProfileScreen(
+        publicProfileActions = getPublicProfileActions(
+            viewModel = viewModel,
+            open = open
+        ),
+        popUp = popUp
+    )
+}
+
+@Composable
+fun PublicProfileScreen(
+    publicProfileActions: PublicProfileActions,
+    popUp: () -> Unit
+) {
+    val user = publicProfileActions.getUserDetails().collectAsState(initial = User())
+    val amountOfFriends = publicProfileActions.getAmountOfFriends().collectAsState(initial = 0)
+
+    SecondaryScreenTemplate(
+        title = stringResource(id = AppText.profile),
+        popUp = popUp,
+        barAction = {
+            PublicProfileEllipsis(
+                sendFriendRequest = publicProfileActions.sendFriendRequest
+            )
+        }
+    ) {
+        LazyColumn(
+            verticalArrangement = Arrangement.spacedBy(15.dp)
+        ) {
+            item {
+                Headline(text = user.value.username)
+            }
+
+            item {
+                Row(
+                    horizontalArrangement = Arrangement.spacedBy(5.dp),
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .wrapContentWidth(align = Alignment.CenterHorizontally)
+                ) {
+                    AmountOfFriendsButton(
+                        amountOfFriends = amountOfFriends.value
+                    ) {
+                        publicProfileActions.onViewFriendsClick()
+                    }
+                }
+            }
+
+            item {
+                Text(
+                    text = user.value.biography,
+                    textAlign = TextAlign.Center,
+                    modifier = Modifier.padding(48.dp, 0.dp)
+                )
+            }
+        }
+    }
+}
+
+@Preview
+@Composable
+fun PublicProfilePreview() {
+    StudeezTheme {
+        PublicProfileScreen(
+            publicProfileActions = PublicProfileActions(
+                getUserDetails = {
+                    flowOf(User(
+                        id = "someid",
+                        username = "Maxime De Poorter",
+                        biography = "I am a different student and this is my public profile"
+                    ))
+                },
+                getAmountOfFriends = { flowOf(113) },
+                onViewFriendsClick = {},
+                sendFriendRequest = {}
+            ),
+            popUp = {}
+        )
+    }
+}
+
+@Composable
+fun PublicProfileEllipsis(
+    sendFriendRequest: () -> Unit
+) {
+    var expanded by remember { mutableStateOf(false) }
+
+    IconButton(
+        onClick = { expanded = true }
+    ) {
+        Icon(
+            imageVector = ImageVector.vectorResource(id = R.drawable.ic_more_horizontal),
+            contentDescription = resources().getString(AppText.view_more)
+        )
+    }
+
+    DropdownMenu(
+        expanded = expanded,
+        onDismissRequest = { expanded = false }
+    ) {
+        DropdownMenuItem(onClick = { expanded = false }) {
+            DrawerEntry(
+                icon = Icons.Default.MailOutline,
+                text = stringResource(id = AppText.send_friend_request)
+            ) {
+                sendFriendRequest()
+            }
+        }
+    }
+}
+
+@Preview
+@Composable
+fun PublicProfileEllipsisPreview() {
+    StudeezTheme {
+        PublicProfileEllipsis(
+            sendFriendRequest = {}
+        )
+    }
+}

app/src/main/java/be/ugent/sel/studeez/screens/profile/public_profile/PublicProfileUiState.kt

@@ -0,0 +1,5 @@
+package be.ugent.sel.studeez.screens.profile.public_profile
+
+data class PublicProfileUiState(
+    var userId: String = ""
+)

app/src/main/java/be/ugent/sel/studeez/screens/profile/public_profile/PublicProfileViewModel.kt

@@ -0,0 +1,60 @@
+package be.ugent.sel.studeez.screens.profile.public_profile
+
+import androidx.compose.runtime.mutableStateOf
+import be.ugent.sel.studeez.data.SelectedUserId
+import be.ugent.sel.studeez.data.local.models.User
+import be.ugent.sel.studeez.domain.FriendshipDAO
+import be.ugent.sel.studeez.domain.LogService
+import be.ugent.sel.studeez.domain.UserDAO
+import be.ugent.sel.studeez.navigation.StudeezDestinations
+import be.ugent.sel.studeez.screens.StudeezViewModel
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.Flow
+import javax.inject.Inject
+
+@HiltViewModel
+class PublicProfileViewModel @Inject constructor(
+    private val userDAO: UserDAO,
+    private val friendshipDAO: FriendshipDAO,
+    selectedUserIdState: SelectedUserId,
+    logService: LogService
+): StudeezViewModel(logService) {
+
+    val uiState = mutableStateOf(
+        PublicProfileUiState(
+            userId = selectedUserIdState.value
+        )
+    )
+
+    fun getUserDetails(
+        userId: String
+    ): Flow<User> {
+        uiState.value = uiState.value.copy(
+            userId = userId
+        )
+        return userDAO.getUserDetails(
+            userId = uiState.value.userId
+        )
+    }
+
+    fun getAmountOfFriends(
+        userId: String
+    ): Flow<Int> {
+        return friendshipDAO.getFriendshipCount(
+            userId = userId
+        )
+    }
+
+    fun onViewFriendsClick(
+        open: (String) -> Unit
+    ) {
+        open(StudeezDestinations.FRIENDS_OVERVIEW_SCREEN)
+    }
+
+    fun sendFriendRequest(
+        userId: String
+    ) {
+        friendshipDAO.sendFriendshipRequest(userId)
+    }
+
+}

app/src/main/java/be/ugent/sel/studeez/screens/session/InvisibleSessionManager.kt

@@ -10,9 +10,9 @@ object InvisibleSessionManager {
     private var viewModel: SessionViewModel? = null
     private lateinit var mediaPlayer: MediaPlayer
 
-    fun setParameters(viewModel: SessionViewModel, mediaplayer: MediaPlayer) {
+    fun setParameters(viewModel: SessionViewModel, mediaPlayer: MediaPlayer) {
+        this.mediaPlayer = mediaPlayer
         this.viewModel = viewModel
-        this.mediaPlayer = mediaplayer
     }
 
     suspend fun updateTimer() {

app/src/main/java/be/ugent/sel/studeez/screens/session/SessionRoute.kt

@@ -6,28 +6,22 @@ import android.net.Uri
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.platform.LocalContext
 import be.ugent.sel.studeez.data.local.models.timer_functional.FunctionalTimer
-import be.ugent.sel.studeez.screens.session.sessionScreens.AbstractSessionScreen
-import be.ugent.sel.studeez.screens.session.sessionScreens.GetSessionScreen
+import be.ugent.sel.studeez.screens.session.sessionScreens.GetSessionScreenComposable
 
 data class SessionActions(
     val getTimer: () -> FunctionalTimer,
     val getTask: () -> String,
-    val startMediaPlayer: () -> Unit,
-    val releaseMediaPlayer: () -> Unit,
     val endSession: () -> Unit
 )
 
 private fun getSessionActions(
     viewModel: SessionViewModel,
     openAndPopUp: (String, String) -> Unit,
-    mediaplayer: MediaPlayer,
 ): SessionActions {
     return SessionActions(
         getTimer = viewModel::getTimer,
         getTask = viewModel::getTask,
         endSession = { viewModel.endSession(openAndPopUp) },
-        startMediaPlayer = mediaplayer::start,
-        releaseMediaPlayer = mediaplayer::release,
     )
 }
 
@@ -37,20 +31,15 @@ fun SessionRoute(
     openAndPopUp: (String, String) -> Unit,
     viewModel: SessionViewModel,
 ) {
-    val context = LocalContext.current
     val uri: Uri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION)
-    val mediaplayer = MediaPlayer.create(context, uri)
-    mediaplayer.isLooping = false
+    val mediaPlayer = MediaPlayer.create(LocalContext.current, uri)
+    mediaPlayer.isLooping = false
 
-    InvisibleSessionManager.setParameters(
-        viewModel = viewModel,
-        mediaplayer = mediaplayer
-    )
+    InvisibleSessionManager.setParameters(viewModel = viewModel, mediaPlayer = mediaPlayer)
 
-    val sessionScreen: AbstractSessionScreen = viewModel.getTimer().accept(GetSessionScreen(mediaplayer))
+    val soundPlayer = SoundPlayer(LocalContext.current)
+    val sessionActions = getSessionActions(viewModel, openAndPopUp)
+    val sessionScreen = viewModel.getTimer().accept(GetSessionScreenComposable(soundPlayer, open, sessionActions))
 
-    sessionScreen(
-        open = open,
-        sessionActions = getSessionActions(viewModel, openAndPopUp, mediaplayer)
-    )
+    sessionScreen()
 }

app/src/main/java/be/ugent/sel/studeez/screens/session/SessionViewModel.kt

@@ -1,7 +1,8 @@
 package be.ugent.sel.studeez.screens.session
 
-import be.ugent.sel.studeez.data.SelectedTimerState
-import be.ugent.sel.studeez.data.SessionReportState
+import be.ugent.sel.studeez.data.SelectedSessionReport
+import be.ugent.sel.studeez.data.SelectedTask
+import be.ugent.sel.studeez.data.SelectedTimer
 import be.ugent.sel.studeez.data.local.models.timer_functional.FunctionalTimer
 import be.ugent.sel.studeez.domain.LogService
 import be.ugent.sel.studeez.navigation.StudeezDestinations
@@ -11,23 +12,21 @@ import javax.inject.Inject
 
 @HiltViewModel
 class SessionViewModel @Inject constructor(
-    private val selectedTimerState: SelectedTimerState,
-    private val sessionReportState: SessionReportState,
+    private val selectedTimer: SelectedTimer,
+    private val sessionReport: SelectedSessionReport,
+    private val selectedTask: SelectedTask,
     logService: LogService
 ) : StudeezViewModel(logService) {
-
-    private val task : String = "No task selected" // placeholder for tasks implementation
-
     fun getTimer(): FunctionalTimer {
-        return selectedTimerState.selectedTimer!!
+        return selectedTimer()
     }
 
     fun getTask(): String {
-        return task
+        return selectedTask().name
     }
 
     fun endSession(openAndPopUp: (String, String) -> Unit) {
-        sessionReportState.sessionReport = getTimer().getSessionReport()
+        sessionReport.set(getTimer().getSessionReport(selectedTask().subjectId, selectedTask().id))
         openAndPopUp(StudeezDestinations.SESSION_RECAP, StudeezDestinations.SESSION_SCREEN)
     }
 }

app/src/main/java/be/ugent/sel/studeez/screens/session/SoundPlayer.kt

@@ -0,0 +1,29 @@
+package be.ugent.sel.studeez.screens.session
+
+import android.content.Context
+import android.media.MediaPlayer
+import android.media.RingtoneManager
+
+class SoundPlayer(private val context: Context) {
+
+    var oldValue: Boolean = false
+    var mediaPlayer: MediaPlayer = initPlayer()
+
+    fun playOn(newValue: Boolean) {
+        if (oldValue != newValue) {
+            mediaPlayer.start()
+            mediaPlayer.setOnCompletionListener {
+                mediaPlayer = initPlayer()
+            }
+            oldValue = newValue
+        }
+    }
+
+
+    private fun initPlayer(): MediaPlayer {
+        return  MediaPlayer.create(
+            context,
+            RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION)
+        )
+    }
+}

app/src/main/java/be/ugent/sel/studeez/screens/session/sessionScreens/AbstractSessionScreen.kt

@@ -1,143 +0,0 @@
-package be.ugent.sel.studeez.screens.session.sessionScreens
-
-import androidx.compose.foundation.background
-import androidx.compose.foundation.border
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.shape.RoundedCornerShape
-import androidx.compose.material.Text
-import androidx.compose.material.TextButton
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
-import androidx.compose.runtime.setValue
-import androidx.compose.ui.Alignment
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.text.font.FontWeight
-import androidx.compose.ui.text.style.TextAlign
-import androidx.compose.ui.tooling.preview.Preview
-import androidx.compose.ui.unit.dp
-import androidx.compose.ui.unit.sp
-import be.ugent.sel.studeez.data.local.models.timer_functional.FunctionalEndlessTimer
-import be.ugent.sel.studeez.screens.session.SessionActions
-import kotlinx.coroutines.delay
-import kotlin.time.Duration.Companion.seconds
-
-abstract class AbstractSessionScreen {
-
-    @Composable
-    operator fun invoke(
-        open: (String) -> Unit,
-        sessionActions: SessionActions,
-    ) {
-        Column(
-            modifier = Modifier.padding(10.dp)
-        ) {
-            Timer(
-                sessionActions = sessionActions,
-            )
-            Box(
-                contentAlignment = Alignment.Center, modifier = Modifier
-                    .fillMaxWidth()
-                    .padding(50.dp)
-            ) {
-                TextButton(
-                    onClick = {
-                        sessionActions.releaseMediaPlayer
-                        sessionActions.endSession()
-                    },
-                    modifier = Modifier
-                        .padding(horizontal = 20.dp)
-                        .border(1.dp, Color.Red, RoundedCornerShape(32.dp))
-                        .background(Color.Transparent)
-                ) {
-                    Text(
-                        text = "End session",
-                        color = Color.Red,
-                        fontWeight = FontWeight.Bold,
-                        fontSize = 18.sp,
-                        modifier = Modifier.padding(1.dp)
-                    )
-                }
-            }
-        }
-    }
-
-    @Composable
-    fun Timer(
-        sessionActions: SessionActions,
-    ) {
-        var tikker by remember { mutableStateOf(false) }
-        LaunchedEffect(tikker) {
-            delay(1.seconds)
-            sessionActions.getTimer().tick()
-            callMediaPlayer()
-            tikker = !tikker
-        }
-
-        val hms = sessionActions.getTimer().getHoursMinutesSeconds()
-        Column {
-            Text(
-                text = hms.toString(),
-                modifier = Modifier
-                    .fillMaxWidth()
-                    .padding(50.dp),
-                textAlign = TextAlign.Center,
-                fontWeight = FontWeight.Bold,
-                fontSize = 40.sp,
-            )
-
-            Text(
-                text = motivationString(),
-                modifier = Modifier.fillMaxWidth(),
-                textAlign = TextAlign.Center,
-                fontWeight = FontWeight.Light,
-                fontSize = 30.sp
-            )
-
-            Box(
-                contentAlignment = Alignment.Center, modifier = Modifier
-                    .fillMaxWidth()
-                    .padding(50.dp)
-            ) {
-                Box(
-                    contentAlignment = Alignment.Center,
-                    modifier = Modifier
-                        .padding(16.dp)
-                        .background(Color.Blue, RoundedCornerShape(32.dp))
-                ) {
-                    Text(
-                        text = sessionActions.getTask(),
-                        color = Color.White,
-                        fontSize = 18.sp,
-                        fontWeight = FontWeight.Bold,
-                        modifier = Modifier.padding(vertical = 4.dp, horizontal = 20.dp)
-                    )
-                }
-            }
-        }
-    }
-
-    @Composable
-    abstract fun motivationString(): String
-
-    abstract fun callMediaPlayer()
-
-}
-
-@Preview
-@Composable
-fun TimerPreview() {
-    val sessionScreen = object : AbstractSessionScreen() {
-        @Composable
-        override fun motivationString(): String = "Test"
-        override fun callMediaPlayer() {}
-
-    }
-    sessionScreen.Timer(sessionActions = SessionActions({ FunctionalEndlessTimer() }, { "Preview" }, {}, {}, {}))
-}

app/src/main/java/be/ugent/sel/studeez/screens/session/sessionScreens/BreakSessionScreen.kt

@@ -1,45 +0,0 @@
-package be.ugent.sel.studeez.screens.session.sessionScreens
-
-import android.media.MediaPlayer
-import androidx.compose.runtime.Composable
-import be.ugent.sel.studeez.R
-import be.ugent.sel.studeez.data.local.models.timer_functional.FunctionalPomodoroTimer
-import be.ugent.sel.studeez.resources
-import be.ugent.sel.studeez.R.string as AppText
-
-class BreakSessionScreen(
-    private val funPomoDoroTimer: FunctionalPomodoroTimer,
-    private var mediaplayer: MediaPlayer?
-): AbstractSessionScreen() {
-
-    @Composable
-    override fun motivationString(): String {
-        if (funPomoDoroTimer.isInBreak) {
-            return resources().getString(AppText.state_take_a_break)
-        }
-
-        if (funPomoDoroTimer.hasEnded()) {
-            return resources().getString(AppText.state_done)
-        }
-
-        return resources().getQuantityString(
-            R.plurals.state_focus_remaining,
-            funPomoDoroTimer.breaksRemaining,
-            funPomoDoroTimer.breaksRemaining
-        )
-    }
-
-    override fun callMediaPlayer() {
-        if (funPomoDoroTimer.hasEnded()) {
-            mediaplayer?.let { it: MediaPlayer ->
-                it.setOnCompletionListener {
-                    it.release()
-                    mediaplayer = null
-                }
-                it.start()
-            }
-        } else if (funPomoDoroTimer.hasCurrentCountdownEnded()) {
-            mediaplayer?.start()
-        }
-    }
-}

app/src/main/java/be/ugent/sel/studeez/screens/session/sessionScreens/BreakTimerScreenComposable.kt

@@ -0,0 +1,79 @@
+package be.ugent.sel.studeez.screens.session.sessionScreens
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.unit.dp
+import be.ugent.sel.studeez.R
+import be.ugent.sel.studeez.data.local.models.timer_functional.FunctionalPomodoroTimer
+import be.ugent.sel.studeez.resources
+import be.ugent.sel.studeez.screens.session.SessionActions
+import be.ugent.sel.studeez.screens.session.SoundPlayer
+
+@Composable
+fun BreakSessionScreenComposable(
+    open: (String) -> Unit,
+    sessionActions: SessionActions,
+    pomodoroTimer: FunctionalPomodoroTimer,
+    soundPlayer: SoundPlayer,
+) {
+    SessionScreen(
+        open = open,
+        sessionActions = sessionActions,
+        midSection = { Dots(pomodoroTimer = pomodoroTimer) },
+        callMediaPlayer = { soundPlayer.playOn(pomodoroTimer.hasCurrentCountdownEnded()) },
+        motivationString = { motivationString (pomodoroTimer = pomodoroTimer) }
+    )
+}
+
+@Composable
+private fun Dots(pomodoroTimer: FunctionalPomodoroTimer): Int {
+    Row(
+        modifier = Modifier.fillMaxWidth(),
+        verticalAlignment = Alignment.CenterVertically,
+        horizontalArrangement = Arrangement.Center,
+    ) {
+        if (pomodoroTimer.hasEnded()) {
+            repeat(pomodoroTimer.repeats) {
+                Dot(Color.Green)
+            }
+        } else {
+            repeat(pomodoroTimer.repeats - pomodoroTimer.breaksRemaining - 1) {
+                Dot(color = Color.DarkGray)
+            }
+            if (!pomodoroTimer.isInBreak) Dot(Color.Green) else Dot(Color.DarkGray)
+            repeat(pomodoroTimer.breaksRemaining) {
+                Dot(color = Color.Gray)
+            }
+        }
+    }
+    return pomodoroTimer.breaksRemaining
+}
+
+@Composable
+private fun Dot(color: Color) {
+    Box(modifier = Modifier
+        .padding(5.dp)
+        .size(10.dp)
+        .clip(CircleShape)
+        .background(color))
+}
+
+
+@Composable
+private fun motivationString(pomodoroTimer: FunctionalPomodoroTimer): String {
+    if (pomodoroTimer.isInBreak) {
+        return resources().getString(R.string.state_take_a_break)
+    }
+
+    if (pomodoroTimer.hasEnded()) {
+        return resources().getString(R.string.state_done)
+    }
+
+    return resources().getString(R.string.state_focus)
+}

app/src/main/java/be/ugent/sel/studeez/screens/session/sessionScreens/CustomSessionScreen.kt

@@ -1,35 +0,0 @@
-package be.ugent.sel.studeez.screens.session.sessionScreens
-
-import android.media.MediaPlayer
-import androidx.compose.runtime.Composable
-import be.ugent.sel.studeez.data.local.models.timer_functional.FunctionalCustomTimer
-import be.ugent.sel.studeez.resources
-import be.ugent.sel.studeez.R.string as AppText
-
-
-class CustomSessionScreen(
-    private val functionalTimer: FunctionalCustomTimer,
-    private var mediaplayer: MediaPlayer?
-): AbstractSessionScreen() {
-
-    @Composable
-    override fun motivationString(): String {
-        if (functionalTimer.hasEnded()) {
-            return resources().getString(AppText.state_done)
-        }
-        return resources().getString(AppText.state_focus)
-    }
-
-    override fun callMediaPlayer() {
-        if (functionalTimer.hasEnded()) {
-            mediaplayer?.let { it: MediaPlayer ->
-                it.setOnCompletionListener {
-                    it.release()
-                    mediaplayer = null
-                }
-                it.start()
-            }
-        }
-    }
-
-}

app/src/main/java/be/ugent/sel/studeez/screens/session/sessionScreens/CustomTimerSessionScreenComposable.kt

@@ -0,0 +1,32 @@
+package be.ugent.sel.studeez.screens.session.sessionScreens
+
+import androidx.compose.runtime.Composable
+import be.ugent.sel.studeez.R
+import be.ugent.sel.studeez.data.local.models.timer_functional.FunctionalCustomTimer
+import be.ugent.sel.studeez.resources
+import be.ugent.sel.studeez.screens.session.SessionActions
+import be.ugent.sel.studeez.screens.session.SoundPlayer
+
+@Composable
+fun CustomTimerSessionScreenComposable(
+    open: (String) -> Unit,
+    sessionActions: SessionActions,
+    customTimer: FunctionalCustomTimer,
+    soundPlayer: SoundPlayer
+) {
+    SessionScreen(
+        open = open,
+        callMediaPlayer = { soundPlayer.playOn(customTimer.hasEnded()) },
+        sessionActions = sessionActions
+    ) {
+        motivationString(customTimer = customTimer)
+    }
+}
+
+@Composable
+private fun motivationString(customTimer: FunctionalCustomTimer): String {
+    if (customTimer.hasEnded()) {
+        return resources().getString(R.string.state_done)
+    }
+    return resources().getString(R.string.state_focus)
+}

app/src/main/java/be/ugent/sel/studeez/screens/session/sessionScreens/EndlessSessionScreen.kt

@@ -1,16 +0,0 @@
-package be.ugent.sel.studeez.screens.session.sessionScreens
-
-import androidx.compose.runtime.Composable
-import be.ugent.sel.studeez.resources
-import be.ugent.sel.studeez.R.string as AppText
-
-
-class EndlessSessionScreen : AbstractSessionScreen() {
-
-    @Composable
-    override fun motivationString(): String {
-        return resources().getString(AppText.state_focus)
-    }
-
-    override fun callMediaPlayer() {}
-}

app/src/main/java/be/ugent/sel/studeez/screens/session/sessionScreens/EndlessTimerSessionScreenComposable.kt

@@ -0,0 +1,24 @@
+package be.ugent.sel.studeez.screens.session.sessionScreens
+
+import androidx.compose.runtime.Composable
+import be.ugent.sel.studeez.R
+import be.ugent.sel.studeez.resources
+import be.ugent.sel.studeez.screens.session.SessionActions
+
+@Composable
+fun EndlessTimerSessionScreenComposable(
+    open: (String) -> Unit,
+    sessionActions: SessionActions,
+) {
+    SessionScreen(
+        open = open,
+        sessionActions = sessionActions
+    ) {
+        motivationString()
+    }
+}
+
+@Composable
+private fun motivationString(): String {
+    return resources().getString(R.string.state_focus)
+}

app/src/main/java/be/ugent/sel/studeez/screens/session/sessionScreens/GetSessionScreen.kt

@@ -1,18 +0,0 @@
-package be.ugent.sel.studeez.screens.session.sessionScreens
-
-import android.media.MediaPlayer
-import be.ugent.sel.studeez.data.local.models.timer_functional.FunctionalCustomTimer
-import be.ugent.sel.studeez.data.local.models.timer_functional.FunctionalEndlessTimer
-import be.ugent.sel.studeez.data.local.models.timer_functional.FunctionalPomodoroTimer
-import be.ugent.sel.studeez.data.local.models.timer_functional.FunctionalTimerVisitor
-
-class GetSessionScreen(private val mediaplayer: MediaPlayer?) : FunctionalTimerVisitor<AbstractSessionScreen> {
-    override fun visitFunctionalCustomTimer(functionalCustomTimer: FunctionalCustomTimer): AbstractSessionScreen =
-        CustomSessionScreen(functionalCustomTimer, mediaplayer)
-
-    override fun visitFunctionalEndlessTimer(functionalEndlessTimer: FunctionalEndlessTimer): AbstractSessionScreen =
-        EndlessSessionScreen()
-
-    override fun visitFunctionalBreakTimer(functionalPomodoroTimer: FunctionalPomodoroTimer): AbstractSessionScreen =
-        BreakSessionScreen(functionalPomodoroTimer, mediaplayer)
-}

app/src/main/java/be/ugent/sel/studeez/screens/session/sessionScreens/GetSessionScreenComposable.kt

@@ -0,0 +1,47 @@
+package be.ugent.sel.studeez.screens.session.sessionScreens
+
+import androidx.compose.runtime.Composable
+import be.ugent.sel.studeez.data.local.models.timer_functional.FunctionalCustomTimer
+import be.ugent.sel.studeez.data.local.models.timer_functional.FunctionalEndlessTimer
+import be.ugent.sel.studeez.data.local.models.timer_functional.FunctionalPomodoroTimer
+import be.ugent.sel.studeez.data.local.models.timer_functional.FunctionalTimerVisitor
+import be.ugent.sel.studeez.screens.session.SessionActions
+import be.ugent.sel.studeez.screens.session.SoundPlayer
+
+class GetSessionScreenComposable(
+    private val soundPlayer: SoundPlayer,
+    private val open: (String) -> Unit,
+    private val sessionActions: SessionActions
+    ) :
+    FunctionalTimerVisitor<@Composable () -> Unit> {
+
+    override fun visitFunctionalCustomTimer(functionalCustomTimer: FunctionalCustomTimer): @Composable () -> Unit {
+        return { CustomTimerSessionScreenComposable(
+                open = open,
+                sessionActions = sessionActions,
+                soundPlayer = soundPlayer,
+                customTimer = functionalCustomTimer,
+            )
+        }
+    }
+
+    override fun visitFunctionalEndlessTimer(functionalEndlessTimer: FunctionalEndlessTimer): @Composable () -> Unit {
+        return {
+            EndlessTimerSessionScreenComposable(
+                open = open,
+                sessionActions = sessionActions,
+            )
+        }
+    }
+
+    override fun visitFunctionalBreakTimer(functionalPomodoroTimer: FunctionalPomodoroTimer): @Composable () -> Unit {
+        return {
+            BreakSessionScreenComposable(
+                open = open,
+                sessionActions = sessionActions,
+                soundPlayer = soundPlayer,
+                pomodoroTimer = functionalPomodoroTimer
+            )
+        }
+    }
+}