#52 Add logout functionality

app/src/main/java/be/ugent/sel/studeez/screens/drawer/DrawerScreen.kt

@@ -0,0 +1,120 @@
+package be.ugent.sel.studeez.common.composable
+
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.material.Divider
+import androidx.compose.material.Icon
+import androidx.compose.material.Text
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.*
+import androidx.compose.runtime.Composable
+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.tooling.preview.Preview
+import androidx.hilt.navigation.compose.hiltViewModel
+import be.ugent.sel.studeez.R
+import be.ugent.sel.studeez.resources
+import be.ugent.sel.studeez.screens.drawer.DrawerViewModel
+import be.ugent.sel.studeez.ui.theme.StudeezTheme
+
+
+@Composable
+fun Drawer(
+    openAndPopup: (String, String) -> Unit,
+    viewModel: DrawerViewModel = hiltViewModel()
+) {
+    Column(modifier = Modifier.fillMaxSize()) {
+        LoggedInUserCard()
+
+        Divider()
+
+        DrawerEntry(
+            icon = Icons.Default.Home,
+            text = resources().getString(R.string.home)
+        ) {
+            // TODO Go to home
+        }
+        DrawerEntry(
+            icon = Icons.Default.LocationOn, // TODO Fix icon
+            text = resources().getString(R.string.timers)
+        ) {
+            // TODO Go to timers
+        }
+        DrawerEntry(
+            icon = Icons.Default.Settings,
+            text = resources().getString(R.string.settings)
+        ) {
+            // TODO Go to settings
+        }
+        DrawerEntry(
+            icon = Icons.Default.AccountBox, // TODO Fix icon
+            text = resources().getString(R.string.log_out)
+        ) {
+            viewModel.onLogoutClick(openAndPopup)
+        }
+
+        DrawerEntry(
+            icon = Icons.Default.Info,
+            text = resources().getString(R.string.about)
+        ) {
+            // TODO Go to about
+        }
+    }
+}
+
+@Composable
+fun DrawerEntry(
+    icon: ImageVector,
+    text: String,
+    onClick: () -> Unit
+) {
+    Row(
+        horizontalArrangement = Arrangement.Center,
+        modifier = Modifier
+            .clickable(onClick = { onClick() })
+            .fillMaxWidth()
+    ) {
+        Box(modifier = Modifier.fillMaxWidth(0.25f)) {
+            Icon(imageVector = icon, contentDescription = text)
+        }
+        Box(modifier = Modifier.fillMaxWidth(0.75f)) {
+            Text(text = text)
+        }
+    }
+}
+
+@Composable
+fun LoggedInUserCard() {
+    Column() {
+        // TODO Profile picture of current user
+        Image(
+            painter = painterResource(id = R.drawable.ic_launcher_background),
+            contentDescription = stringResource(R.string.profile_picture_description)
+        )
+
+        // TODO Username
+        Text(text = "Username todo")
+
+        // TODO Description of user (normal user or something else?)
+        Text(text = stringResource(id = R.string.user_description))
+    }
+}
+
+@Preview
+@Composable
+fun DrawerPreview() {
+    StudeezTheme {
+        Drawer({ a, b -> {}})
+    }
+}
+
+@Preview
+@Composable
+fun LoggedInUserCardPreview() {
+    StudeezTheme {
+        LoggedInUserCard()
+    }
+}

app/src/main/java/be/ugent/sel/studeez/screens/drawer/DrawerViewModel.kt

@@ -0,0 +1,22 @@
+package be.ugent.sel.studeez.screens.drawer
+
+import be.ugent.sel.studeez.domain.AccountDAO
+import be.ugent.sel.studeez.domain.LogService
+import be.ugent.sel.studeez.navigation.StudeezDestinations.HOME_SCREEN
+import be.ugent.sel.studeez.navigation.StudeezDestinations.LOGIN_SCREEN
+import be.ugent.sel.studeez.screens.StudeezViewModel
+import dagger.hilt.android.lifecycle.HiltViewModel
+import javax.inject.Inject
+
+@HiltViewModel
+class DrawerViewModel @Inject constructor(
+    private val accountDAO: AccountDAO,
+    logService: LogService
+): StudeezViewModel(logService) {
+    fun onLogoutClick(openAndPopup: (String, String) -> Unit) {
+        launchCatching {
+            accountDAO.signOut()
+            openAndPopup(LOGIN_SCREEN, HOME_SCREEN)
+        }
+    }
+}

app/src/main/java/be/ugent/sel/studeez/screens/log_in/LoginViewModel.kt

@@ -5,7 +5,6 @@ import be.ugent.sel.studeez.common.ext.isValidEmail
 import be.ugent.sel.studeez.common.snackbar.SnackbarManager
 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.navigation.StudeezDestinations.HOME_SCREEN
 import be.ugent.sel.studeez.navigation.StudeezDestinations.LOGIN_SCREEN
 import be.ugent.sel.studeez.navigation.StudeezDestinations.SIGN_UP_SCREEN