QOL improvements & friendsSessionsDAOstuff

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/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/domain/SessionDAO.kt

@@ -1,12 +1,19 @@
 package be.ugent.sel.studeez.domain
 
 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.timer_info.TimerInfo
 import kotlinx.coroutines.flow.Flow
 
 interface SessionDAO {
 
     fun getSessions(): Flow<List<SessionReport>>
+    suspend fun getSessionsOfUser(userId: String): List<SessionReport>
+
+    /**
+     * Return a list of pairs, containing the username and all the studysessions of that user.
+     */
+    fun getFriendsSessions(): Flow<List<Pair<String,List<SessionReport>>>>
 
     fun saveSession(newSessionReport: SessionReport)
 

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

@@ -27,6 +27,10 @@ interface UserDAO {
         userId: String
     ): Flow<User>
 
+    suspend fun getUsername(
+        userId: String
+    ): String
+
     /**
      * @return information on the currently logged in user.
      */

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

@@ -1,19 +1,33 @@
 package be.ugent.sel.studeez.domain.implementation
 
 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.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.AccountDAO
+import be.ugent.sel.studeez.domain.FriendshipDAO
 import be.ugent.sel.studeez.domain.SessionDAO
+import be.ugent.sel.studeez.domain.UserDAO
+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 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
+    private val auth: AccountDAO,
+    private val userDAO: UserDAO,
+    private val friendshipDAO: FriendshipDAO
 ) : SessionDAO {
 
     override fun getSessions(): Flow<List<SessionReport>> {
@@ -22,6 +36,34 @@ class FirebaseSessionDAO @Inject constructor(
             .map { it.toObjects(SessionReport::class.java) }
     }
 
+    override suspend fun getSessionsOfUser(userId: String): List<SessionReport> {
+        val collection = firestore.collection(USER_COLLECTION)
+            .document(userId)
+            .collection(SESSION_COLLECTION)
+            .get().await()
+        val list: MutableList<SessionReport> = mutableListOf()
+        for (document in collection) {
+            val id = document.id
+            val studyTime: Int = document.getField<Int>(STUDYTIME)!!
+            val endTime: Timestamp = document.getField<Timestamp>(ENDTIME)!!
+            list.add(SessionReport(id, studyTime, endTime))
+        }
+        return list
+    }
+
+    override fun getFriendsSessions(): Flow<List<Pair<String, List<SessionReport>>>> {
+        return friendshipDAO.getAllFriendships(auth.currentUserId)
+            .map { friendships ->
+                friendships.map { friendship ->
+                    val userId: String = friendship.friendId
+                    val username = userDAO.getUsername(userId)
+                    val userSessions = getSessionsOfUser(userId)
+
+                    Pair(username, userSessions)
+                }
+            }
+    }
+
     override fun saveSession(newSessionReport: SessionReport) {
         currentUserSessionsCollection().add(newSessionReport)
     }
@@ -31,7 +73,7 @@ class FirebaseSessionDAO @Inject constructor(
     }
 
     private fun currentUserSessionsCollection(): CollectionReference =
-        firestore.collection(FirebaseCollections.USER_COLLECTION)
+        firestore.collection(USER_COLLECTION)
             .document(auth.currentUserId)
-            .collection(FirebaseCollections.SESSION_COLLECTION)
+            .collection(SESSION_COLLECTION)
 }

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

@@ -61,6 +61,13 @@ class FirebaseUserDAO @Inject constructor(
         }
     }
 
+    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(

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

@@ -14,7 +14,6 @@ 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.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.res.vectorResource
 import androidx.compose.ui.text.style.TextOverflow
@@ -23,6 +22,7 @@ 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.SearchField
 import be.ugent.sel.studeez.common.composable.drawer.DrawerEntry
 import be.ugent.sel.studeez.common.ext.basicButton
@@ -162,29 +162,21 @@ fun FriendsEntry(
     viewProfile: (String) -> Unit,
     removeFriend: (Friendship) -> Unit
 ) {
-    // TODO Styling
     Row (
         modifier = Modifier
             .fillMaxWidth()
+            .padding(horizontal = 15.dp, vertical = 7.dp),
     ) {
         Box(
             modifier = Modifier
-                .fillMaxWidth(0.15f)
+                .padding(vertical = 4.dp)
-                .background(MaterialTheme.colors.primary, CircleShape)
         ) {
-            Icon(
+            ProfilePicture()
-                painter = painterResource(id = R.drawable.ic_visibility_on),
-                contentDescription = null,
-                modifier = Modifier
-                    .fillMaxHeight()
-                    .align(Alignment.Center),
-                tint = MaterialTheme.colors.onPrimary
-            )
         }
 
         Box (
             modifier = Modifier
-                .fillMaxWidth(0.65f)
+                .fillMaxWidth()
         ) {
             Column (
                 modifier = Modifier
@@ -203,10 +195,10 @@ fun FriendsEntry(
                     overflow = TextOverflow.Ellipsis
                 )
             }
-        }
 
             Box(
-            modifier = Modifier.fillMaxWidth(0.15f)
+                modifier = Modifier.fillMaxWidth(),
+                contentAlignment = Alignment.CenterEnd
             ) {
                 FriendsOverviewDropDown(
                     friendship = friendship,
@@ -215,6 +207,7 @@ fun FriendsEntry(
                 )
             }
         }
+    }
 }
 
 @Preview

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

@@ -13,7 +13,6 @@ 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.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.res.vectorResource
 import androidx.compose.ui.text.style.TextOverflow
@@ -21,12 +20,14 @@ 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.SearchField
 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.*
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.flowOf
 import be.ugent.sel.studeez.R.string as AppText
 
 data class SearchFriendsActions(
@@ -153,25 +154,19 @@ fun UserEntry(
     Row(
         modifier = Modifier
             .fillMaxWidth()
+            .padding(horizontal = 15.dp, vertical = 7.dp),
+        horizontalArrangement = Arrangement.spacedBy(15.dp)
     ) {
         Box(
             modifier = Modifier
-                .fillMaxWidth(0.15f)
+                .padding(vertical = 4.dp)
-                .background(MaterialTheme.colors.primary, CircleShape)
         ) {
-            Icon(
+            ProfilePicture()
-                painter = painterResource(id = R.drawable.ic_visibility_on),
-                contentDescription = null,
-                modifier = Modifier
-                    .fillMaxHeight()
-                    .align(Alignment.Center),
-                tint = MaterialTheme.colors.onPrimary
-            )
         }
 
         Box (
             modifier = Modifier
-                .fillMaxWidth(0.65f)
+                .fillMaxWidth()
         ) {
             Column (
                 modifier = Modifier
@@ -190,10 +185,10 @@ fun UserEntry(
                     overflow = TextOverflow.Ellipsis
                 )
             }
-        }
 
             Box(
-            modifier = Modifier.fillMaxWidth(0.15f)
+                modifier = Modifier.fillMaxWidth(),
+                contentAlignment = Alignment.CenterEnd
             ) {
                 SearchFriendsDropDown(
                     user = user,
@@ -201,6 +196,7 @@ fun UserEntry(
                 )
             }
         }
+    }
 }
 
 @Preview

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

@@ -10,6 +10,7 @@ import be.ugent.sel.studeez.screens.StudeezViewModel
 import be.ugent.sel.studeez.screens.profile.public_profile.SelectedProfileState
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.filter
 import javax.inject.Inject
 
 @HiltViewModel
@@ -43,8 +44,16 @@ class SearchFriendsViewModel @Inject constructor(
         )
     }
 
+    /**
+     * Get all users, except for the current user.
+     */
     fun getAllUsers(): Flow<List<User>> {
         return userDAO.getAllUsers()
+            .filter { users ->
+                users.any { user ->
+                    user.id != userDAO.getCurrentUserId()
+                }
+            }
     }
 
     fun goToProfile(