refactor NavGraph so viewModel for drawer and navbar are shared across app

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

@@ -18,11 +18,12 @@ import androidx.compose.ui.platform.LocalConfiguration
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.unit.dp
 import androidx.hilt.navigation.compose.hiltViewModel
-import androidx.navigation.NavGraphBuilder
 import androidx.navigation.NavHostController
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
 import androidx.navigation.compose.rememberNavController
+import be.ugent.sel.studeez.common.composable.drawer.DrawerViewModel
+import be.ugent.sel.studeez.common.composable.navbar.NavigationBarViewModel
 import be.ugent.sel.studeez.common.snackbar.SnackbarManager
 import be.ugent.sel.studeez.navigation.StudeezDestinations
 import be.ugent.sel.studeez.screens.home.HomeRoute
@@ -55,13 +56,7 @@ fun StudeezApp() {
                 },
                 scaffoldState = appState.scaffoldState
             ) { innerPaddingModifier ->
-                NavHost(
+                StudeezNavGraph(appState, Modifier.padding(innerPaddingModifier))
-                    navController = appState.navController,
-                    startDestination = StudeezDestinations.SPLASH_SCREEN,
-                    modifier = Modifier.padding(innerPaddingModifier)
-                ) {
-                    studeezGraph(appState)
-                }
             }
         }
     }
@@ -86,8 +81,19 @@ fun resources(): Resources {
     return LocalContext.current.resources
 }
 
-fun NavGraphBuilder.studeezGraph(appState: StudeezAppstate) {
+@Composable
+fun StudeezNavGraph(
+    appState: StudeezAppstate,
+    modifier: Modifier,
+) {
+    val drawerViewModel: DrawerViewModel = hiltViewModel()
+    val navBarViewModel: NavigationBarViewModel = hiltViewModel()
 
+    NavHost(
+        navController = appState.navController,
+        startDestination = StudeezDestinations.SPLASH_SCREEN,
+        modifier = modifier,
+    ) {
         val goBack: () -> Unit = {
             appState.popUp()
         }
@@ -100,6 +106,7 @@ fun NavGraphBuilder.studeezGraph(appState: StudeezAppstate) {
             appState.navigateAndPopUp(route, popUp)
         }
 
+
         composable(StudeezDestinations.SPLASH_SCREEN) {
             SplashRoute(openAndPopUp, viewModel = hiltViewModel())
         }
@@ -113,7 +120,13 @@ fun NavGraphBuilder.studeezGraph(appState: StudeezAppstate) {
         }
 
         composable(StudeezDestinations.HOME_SCREEN) {
-        HomeRoute(open, openAndPopUp, viewModel = hiltViewModel())
+            HomeRoute(
+                open,
+                openAndPopUp,
+                viewModel = hiltViewModel(),
+                drawerViewModel = drawerViewModel,
+                navBarViewModel = navBarViewModel,
+            )
         }
 
         // TODO Tasks screen
@@ -124,7 +137,13 @@ fun NavGraphBuilder.studeezGraph(appState: StudeezAppstate) {
         }
 
         composable(StudeezDestinations.TIMER_OVERVIEW_SCREEN) {
-        TimerOverviewRoute(open, openAndPopUp, viewModel = hiltViewModel())
+            TimerOverviewRoute(
+                open,
+                openAndPopUp,
+                viewModel = hiltViewModel(),
+                drawerViewModel = drawerViewModel,
+                navBarViewModel = navBarViewModel,
+            )
         }
 
         composable(StudeezDestinations.SESSION_SCREEN) {
@@ -140,6 +159,13 @@ fun NavGraphBuilder.studeezGraph(appState: StudeezAppstate) {
         }
 
         composable(StudeezDestinations.TIMER_SELECTION_SCREEN) {
-        TimerSelectionRoute(open, openAndPopUp, viewModel = hiltViewModel())
+            TimerSelectionRoute(
+                open,
+                openAndPopUp,
+                viewModel = hiltViewModel(),
+                drawerViewModel = drawerViewModel,
+                navBarViewModel = navBarViewModel,
+            )
+        }
     }
 }

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

@@ -7,13 +7,14 @@ import androidx.compose.material.icons.filled.Person
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.tooling.preview.Preview
-import androidx.hilt.navigation.compose.hiltViewModel
 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.drawer.DrawerViewModel
 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.common.ext.basicButton
 import be.ugent.sel.studeez.resources
@@ -23,11 +24,13 @@ fun HomeRoute(
     open: (String) -> Unit,
     openAndPopUp: (String, String) -> Unit,
     viewModel: HomeViewModel,
+    drawerViewModel: DrawerViewModel,
+    navBarViewModel: NavigationBarViewModel,
 ) {
     HomeScreen(
         onStartSessionClick = { viewModel.onStartSessionClick(open) },
-        drawerActions = getDrawerActions(hiltViewModel(), open, openAndPopUp),
+        drawerActions = getDrawerActions(drawerViewModel, open, openAndPopUp),
-        navigationBarActions = getNavigationBarActions(hiltViewModel(), open),
+        navigationBarActions = getNavigationBarActions(navBarViewModel, open),
     )
 }
 

app/src/main/java/be/ugent/sel/studeez/screens/timer_overview/TimerOverviewScreen.kt

@@ -9,15 +9,16 @@ import androidx.compose.runtime.collectAsState
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
-import androidx.hilt.navigation.compose.hiltViewModel
 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.StealthButton
 import be.ugent.sel.studeez.common.composable.TimerEntry
 import be.ugent.sel.studeez.common.composable.drawer.DrawerActions
+import be.ugent.sel.studeez.common.composable.drawer.DrawerViewModel
 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.common.ext.basicButton
 import be.ugent.sel.studeez.data.local.models.timer_info.CustomTimerInfo
@@ -47,11 +48,13 @@ fun TimerOverviewRoute(
     open: (String) -> Unit,
     openAndPopUp: (String, String) -> Unit,
     viewModel: TimerOverviewViewModel,
+    drawerViewModel: DrawerViewModel,
+    navBarViewModel: NavigationBarViewModel,
 ) {
     TimerOverviewScreen(
         timerOverviewActions = getTimerOverviewActions(viewModel),
-        drawerActions = getDrawerActions(hiltViewModel(), open, openAndPopUp),
+        drawerActions = getDrawerActions(drawerViewModel, open, openAndPopUp),
-        navigationBarActions = getNavigationBarActions(hiltViewModel(), open),
+        navigationBarActions = getNavigationBarActions(navBarViewModel, open),
     )
 }
 

app/src/main/java/be/ugent/sel/studeez/screens/timer_selection/TimerSelectionScreen.kt

@@ -7,14 +7,15 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.collectAsState
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
-import androidx.hilt.navigation.compose.hiltViewModel
 import be.ugent.sel.studeez.R
 import be.ugent.sel.studeez.common.composable.PrimaryScreenTemplate
 import be.ugent.sel.studeez.common.composable.StealthButton
 import be.ugent.sel.studeez.common.composable.TimerEntry
 import be.ugent.sel.studeez.common.composable.drawer.DrawerActions
+import be.ugent.sel.studeez.common.composable.drawer.DrawerViewModel
 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.data.local.models.timer_info.TimerInfo
 import be.ugent.sel.studeez.resources
@@ -41,11 +42,13 @@ fun TimerSelectionRoute(
     open: (String) -> Unit,
     openAndPopUp: (String, String) -> Unit,
     viewModel: TimerSelectionViewModel,
+    drawerViewModel: DrawerViewModel,
+    navBarViewModel: NavigationBarViewModel,
 ) {
     TimerSelectionScreen(
         timerSelectionActions = getTimerSelectionActions(viewModel, open),
-        drawerActions = getDrawerActions(hiltViewModel(), open, openAndPopUp),
+        drawerActions = getDrawerActions(drawerViewModel, open, openAndPopUp),
-        navigationBarActions = getNavigationBarActions(hiltViewModel(), open),
+        navigationBarActions = getNavigationBarActions(navBarViewModel, open),
     )
 }