#52 Add logout functionality

app/src/main/java/be/ugent/sel/studeez/StudeezApp.kt

@@ -33,7 +33,7 @@ fun StudeezApp() {
             val appState = rememberAppState()
 
             ModalDrawer(
-                drawerContent = { Drawer() },
+                drawerContent = { Drawer({ route, popUp -> appState.navigateAndPopUp(route, popUp) }) },
                 drawerState = appState.drawerState
             ) {
                 Scaffold(

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

@@ -14,13 +14,18 @@ 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() {
+fun Drawer(
+    openAndPopup: (String, String) -> Unit,
+    viewModel: DrawerViewModel = hiltViewModel()
+) {
     Column(modifier = Modifier.fillMaxSize()) {
         LoggedInUserCard()
 
@@ -48,7 +53,7 @@ fun Drawer() {
             icon = Icons.Default.AccountBox, // TODO Fix icon
             text = resources().getString(R.string.log_out)
         ) {
-            // TODO Log out
+            viewModel.onLogoutClick(openAndPopup)
         }
 
         DrawerEntry(
@@ -102,7 +107,7 @@ fun LoggedInUserCard() {
 @Composable
 fun DrawerPreview() {
     StudeezTheme {
-        Drawer()
+        Drawer({ a, b -> {}})
     }
 }
 

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