#25 delete subject

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

@@ -159,6 +159,7 @@ fun StudeezNavGraph(
         composable(StudeezDestinations.TASKS_SCREEN) {
             TaskRoute(
                 goBack = goBack,
+                open = open,
                 viewModel = hiltViewModel(),
             )
         }

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

@@ -25,7 +25,7 @@ class FireBaseSubjectDAO @Inject constructor(
     }
 
     override fun deleteSubject(oldSubject: Subject) {
-        TODO("Not yet implemented")
+        currentUserSubjectsCollection().document(oldSubject.id).delete()
     }
 
     private fun currentUserSubjectsCollection(): CollectionReference =

app/src/main/java/be/ugent/sel/studeez/screens/tasks/TaskScreen.kt

@@ -34,23 +34,24 @@ data class TaskActions(
     val deleteSubject: () -> Unit,
 )
 
-fun getTaskActions(viewModel: TaskViewModel): TaskActions {
+fun getTaskActions(viewModel: TaskViewModel, open: (String) -> Unit): TaskActions {
     return TaskActions(
         addTask = viewModel::addTask,
         getTasks = viewModel::getTasks,
-        getSubject = { Subject(name = "Test Subject") },
-        deleteSubject = {},
+        getSubject = viewModel::getSelectedSubject,
+        deleteSubject = { viewModel.deleteSubject(open) },
     )
 }
 
 @Composable
 fun TaskRoute(
     goBack: () -> Unit,
+    open: (String) -> Unit,
     viewModel: TaskViewModel,
 ) {
     TaskScreen(
         goBack = goBack,
-        taskActions = getTaskActions(viewModel = viewModel),
+        taskActions = getTaskActions(viewModel = viewModel, open = open),
     )
 }
 

app/src/main/java/be/ugent/sel/studeez/screens/tasks/TaskViewModel.kt

@@ -1,9 +1,12 @@
 package be.ugent.sel.studeez.screens.tasks
 
 import be.ugent.sel.studeez.data.SelectedSubject
+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.LogService
+import be.ugent.sel.studeez.domain.SubjectDAO
 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.Flow
@@ -12,6 +15,7 @@ import javax.inject.Inject
 @HiltViewModel
 class TaskViewModel @Inject constructor(
     private val taskDAO: TaskDAO,
+    private val subjectDAO: SubjectDAO,
     private val selectedSubject: SelectedSubject,
     logService: LogService,
 ) : StudeezViewModel(logService) {
@@ -22,4 +26,13 @@ class TaskViewModel @Inject constructor(
     fun getTasks(): Flow<List<Task>> {
         return taskDAO.getTasks(selectedSubject())
     }
+
+    fun deleteSubject(open: (String) -> Unit) {
+        subjectDAO.deleteSubject(selectedSubject())
+        open(StudeezDestinations.SUBJECT_SCREEN)
+    }
+
+    fun getSelectedSubject(): Subject {
+        return selectedSubject()
+    }
 }