Replace tabs with navigation drawer

WIP on overdue task count on list names

donextv2/src/main/java/com/wismna/geoffroy/donext/data/local/dao/TaskListDao.kt

@@ -6,6 +6,7 @@ import androidx.room.OnConflictStrategy
 import androidx.room.Query
 import androidx.room.Update
 import com.wismna.geoffroy.donext.data.entities.TaskListEntity
+import com.wismna.geoffroy.donext.domain.model.TaskListWithOverdue
 import kotlinx.coroutines.flow.Flow
 
 @Dao
@@ -13,6 +14,25 @@ interface TaskListDao {
     @Query("SELECT * FROM task_lists WHERE deleted = 0 ORDER BY display_order ASC")
     fun getTaskLists(): Flow<List<TaskListEntity>>
 
+    @Query("""
+                SELECT 
+          tl.id AS id,
+          tl.name AS name,
+          COALESCE(SUM(
+            CASE 
+              WHEN t.done = 0 
+                   AND t.due_date IS NOT NULL 
+                   AND t.due_date < :today 
+              THEN 1 
+              ELSE 0 
+            END
+          ), 0) AS overdueCount
+        FROM task_lists tl
+        LEFT JOIN tasks t ON t.task_list_id = tl.id
+        GROUP BY tl.id
+    """)
+    fun getTaskListsWithOverdue(today: Long): Flow<List<TaskListWithOverdue>>
+
     @Insert(onConflict = OnConflictStrategy.REPLACE)
     suspend fun insertTaskList(taskList: TaskListEntity)
 

donextv2/src/main/java/com/wismna/geoffroy/donext/data/local/repository/TaskRepositoryImpl.kt

@@ -6,9 +6,12 @@ import com.wismna.geoffroy.donext.data.toDomain
 import com.wismna.geoffroy.donext.data.toEntity
 import com.wismna.geoffroy.donext.domain.model.Task
 import com.wismna.geoffroy.donext.domain.model.TaskList
+import com.wismna.geoffroy.donext.domain.model.TaskListWithOverdue
 import com.wismna.geoffroy.donext.domain.repository.TaskRepository
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.map
+import java.time.LocalDate
+import java.time.ZoneOffset
 import javax.inject.Inject
 
 class TaskRepositoryImpl @Inject constructor(
@@ -47,4 +50,14 @@ class TaskRepositoryImpl @Inject constructor(
         taskDao.deleteAllTasksFromList(taskListId, isDeleted)
         taskListDao.deleteTaskList(taskListId, isDeleted)
     }
+
+    override fun getTaskListsWithOverdue(): Flow<List<TaskListWithOverdue>> {
+        val todayMillis = LocalDate.now()
+            .atStartOfDay(ZoneOffset.UTC)
+            .toInstant()
+            .toEpochMilli()
+
+        return taskListDao.getTaskListsWithOverdue(todayMillis)
+    }
+
 }

donextv2/src/main/java/com/wismna/geoffroy/donext/domain/model/TaskListWIthOverdue.kt

@@ -0,0 +1,7 @@
+package com.wismna.geoffroy.donext.domain.model
+
+data class TaskListWithOverdue(
+    val id: Long,
+    val name: String,
+    val overdueCount: Int
+)

donextv2/src/main/java/com/wismna/geoffroy/donext/domain/repository/TaskRepository.kt

@@ -2,6 +2,7 @@ package com.wismna.geoffroy.donext.domain.repository
 
 import com.wismna.geoffroy.donext.domain.model.Task
 import com.wismna.geoffroy.donext.domain.model.TaskList
+import com.wismna.geoffroy.donext.domain.model.TaskListWithOverdue
 import kotlinx.coroutines.flow.Flow
 
 interface TaskRepository {
@@ -14,4 +15,5 @@ interface TaskRepository {
     fun getTaskLists(): Flow<List<TaskList>>
     suspend fun insertTaskList(taskList: TaskList)
     suspend fun deleteTaskList(taskListId: Long, isDeleted: Boolean)
+    fun getTaskListsWithOverdue(): Flow<List<TaskListWithOverdue>>
 }

donextv2/src/main/java/com/wismna/geoffroy/donext/domain/usecase/GetTaskListsWithOverdueUseCase.kt

@@ -0,0 +1,14 @@
+package com.wismna.geoffroy.donext.domain.usecase
+
+import com.wismna.geoffroy.donext.domain.model.TaskListWithOverdue
+import com.wismna.geoffroy.donext.domain.repository.TaskRepository
+import kotlinx.coroutines.flow.Flow
+import javax.inject.Inject
+
+class GetTaskListsWithOverdueUseCase @Inject constructor(
+    private val taskRepository: TaskRepository
+) {
+    operator fun invoke(): Flow<List<TaskListWithOverdue>> {
+        return taskRepository.getTaskListsWithOverdue()
+    }
+}

donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/screen/MainScreen.kt

@@ -7,29 +7,37 @@ import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Add
+import androidx.compose.material.icons.filled.Menu
 import androidx.compose.material3.Badge
-import androidx.compose.material3.BadgedBox
 import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.DrawerValue
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.ExtendedFloatingActionButton
 import androidx.compose.material3.Icon
-import androidx.compose.material3.PrimaryTabRow
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.ModalDrawerSheet
+import androidx.compose.material3.ModalNavigationDrawer
+import androidx.compose.material3.NavigationDrawerItem
+import androidx.compose.material3.NavigationDrawerItemDefaults
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.SegmentedButton
 import androidx.compose.material3.SegmentedButtonDefaults
 import androidx.compose.material3.SingleChoiceSegmentedButtonRow
-import androidx.compose.material3.Tab
 import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.material3.rememberDrawerState
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableIntStateOf
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.unit.dp
 import androidx.hilt.lifecycle.viewmodel.compose.hiltViewModel
 import androidx.navigation.NavType
 import androidx.navigation.compose.NavHost
@@ -39,6 +47,7 @@ import androidx.navigation.navArgument
 import com.wismna.geoffroy.donext.domain.model.Priority
 import com.wismna.geoffroy.donext.presentation.viewmodel.MainViewModel
 import com.wismna.geoffroy.donext.presentation.viewmodel.TaskViewModel
+import kotlinx.coroutines.launch
 
 @Composable
 fun MainScreen(
@@ -57,11 +66,42 @@ fun MainScreen(
         val startDestination = viewModel.taskLists[0]
         // TODO: get last opened tab from saved settings
         var selectedDestination by rememberSaveable { mutableIntStateOf(0) }
+        val drawerState = rememberDrawerState(DrawerValue.Closed)
+        val scope = rememberCoroutineScope()
 
         if (showBottomSheet) {
             TaskBottomSheet(taskViewModel, { showBottomSheet = false })
         }
-
+        ModalNavigationDrawer(
+            drawerContent = {
+                ModalDrawerSheet {
+                    Text(
+                        text = "Task Lists",
+                        style = MaterialTheme.typography.titleMedium,
+                        modifier = Modifier.padding(16.dp)
+                    )
+                    viewModel.taskLists.forEachIndexed { index, list ->
+                        NavigationDrawerItem(
+                            label = { Text(list.name) },
+                            selected = selectedDestination == index,
+                            onClick = {
+                                selectedDestination = index
+                                scope.launch { drawerState.close() }
+                            },
+                            badge = {
+                                if (list.overdueCount > 0) {
+                                    Badge {
+                                        Text(list.overdueCount.toString())
+                                    }
+                                }
+                            },
+                            modifier = Modifier.padding(NavigationDrawerItemDefaults.ItemPadding)
+                        )
+                    }
+                }
+            },
+            drawerState = drawerState
+        ) {
             Scaffold(
                 modifier = modifier,
                 floatingActionButton = {
@@ -71,37 +111,17 @@ fun MainScreen(
                         showBottomSheet = true
                     }
                 }, topBar = {
-                PrimaryTabRow(selectedTabIndex = selectedDestination) {
+                    // TODO: add list title
-                    viewModel.taskLists.forEachIndexed { index, destination ->
+                    // TODO: add button such as edit and delete
-                        Tab(
+                    TopAppBar(
-                            selected = selectedDestination == index,
+                        title = { Text(viewModel.taskLists.getOrNull(selectedDestination)?.name ?: "Tasks") },
-                            onClick = {
+                        navigationIcon = {
-                                navController.navigate(route = "taskList/${destination.id}")
+                            IconButton(onClick = { scope.launch { drawerState.open() } }) {
-                                selectedDestination = index
+                                Icon(Icons.Default.Menu, contentDescription = "Open navigation drawer")
-                            },
-                            text = {
-                                /*BadgedBox(
-                                    badge = {
-                                        if (overdueCount > 0) {
-                                            Badge { Text(overdueCount.toString()) }
                             }
                         }
-                                ) {*/
-                                    Text(
-                                        text = destination.name,
-                                        maxLines = 2,
-                                        overflow = TextOverflow.Ellipsis
-                                    )
-                                //}
-                            }
                     )
-                    }
-                }
                 }) { contentPadding ->
-            Box(modifier = Modifier
-                .padding(contentPadding)
-                .fillMaxSize()
-            ) {
                     NavHost(
                         navController,
                         startDestination = "taskList/${startDestination.id}"
@@ -114,6 +134,7 @@ fun MainScreen(
                                 })
                             ) {
                                 TaskListScreen(
+                                    modifier = Modifier.padding(contentPadding),
                                     onTaskClick = { task ->
                                         taskViewModel.startEditTask(task)
                                         showBottomSheet = true

donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/screen/TaskListScreen.kt

@@ -4,7 +4,6 @@ import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
-import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
@@ -34,11 +33,11 @@ import java.time.LocalDate
 import java.time.ZoneOffset
 
 @Composable
-fun TaskListScreen(viewModel: TaskListViewModel = hiltViewModel(), onTaskClick: (Task) -> Unit) {
+fun TaskListScreen(modifier: Modifier = Modifier, viewModel: TaskListViewModel = hiltViewModel(), onTaskClick: (Task) -> Unit) {
     val tasks = viewModel.tasks
 
     LazyColumn(
-        modifier = Modifier.fillMaxSize()
+        //modifier = Modifier.fillMaxSize()
     ) {
         itemsIndexed(tasks, key = { _, task -> task.id!! }) { index, task ->
             if (index > 0) {

donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/viewmodel/MainViewModel.kt

@@ -5,8 +5,8 @@ import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.setValue
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
-import com.wismna.geoffroy.donext.domain.model.TaskList
+import com.wismna.geoffroy.donext.domain.model.TaskListWithOverdue
-import com.wismna.geoffroy.donext.domain.usecase.GetTaskListsUseCase
+import com.wismna.geoffroy.donext.domain.usecase.GetTaskListsWithOverdueUseCase
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
@@ -14,16 +14,16 @@ import javax.inject.Inject
 
 @HiltViewModel
 class MainViewModel @Inject constructor(
-    getTaskLists: GetTaskListsUseCase
+    getTaskListsWithOverdue: GetTaskListsWithOverdueUseCase
 ) : ViewModel() {
 
-    var taskLists by mutableStateOf<List<TaskList>>(emptyList())
+    var taskLists by mutableStateOf<List<TaskListWithOverdue>>(emptyList())
         private set
     var isLoading by mutableStateOf(true)
         private set
 
     init {
-        getTaskLists()
+        getTaskListsWithOverdue()
             .onEach { lists ->
                 taskLists = lists
                 isLoading = false