Add initial drawer state in TimelineViewModel

appcompose/src/main/java/com/readrops/app/compose/timelime/TimelineDrawer.kt

@@ -13,27 +13,45 @@ import androidx.compose.material3.NavigationDrawerItem
 import androidx.compose.material3.NavigationDrawerItemDefaults
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.unit.dp
 import com.readrops.app.compose.R
 import com.readrops.app.compose.util.theme.spacing
 
+enum class DrawerDefaultItemsSelection {
+    ARTICLES,
+    NEW,
+    FAVORITES,
+    READ_LATER
+}
+
 @Composable
 fun TimelineDrawer(
     viewModel: TimelineViewModel,
+    onClickDefaultItem: (DrawerDefaultItemsSelection) -> Unit,
 ) {
+    val state by viewModel.drawerState.collectAsState()
+
     ModalDrawerSheet {
         Spacer(modifier = Modifier.size(MaterialTheme.spacing.drawerSpacing))
 
-        DrawerDefaultItems()
+        DrawerDefaultItems(
+            selectedItem = state.selection,
+            onClick = { onClickDefaultItem(it) }
+        )
 
         DrawerDivider()
     }
 }
 
 @Composable
-fun DrawerDefaultItems() {
+fun DrawerDefaultItems(
+    selectedItem: DrawerDefaultItemsSelection,
+    onClick: (DrawerDefaultItemsSelection) -> Unit,
+) {
     NavigationDrawerItem(
         label = { Text("Articles") },
         icon = {
@@ -42,8 +60,8 @@ fun DrawerDefaultItems() {
                 contentDescription = null
             )
         },
-        selected = true,
+        selected = selectedItem == DrawerDefaultItemsSelection.ARTICLES,
-        onClick = { },
+        onClick = { onClick(DrawerDefaultItemsSelection.ARTICLES) },
         modifier = Modifier.padding(NavigationDrawerItemDefaults.ItemPadding)
     )
 
@@ -55,8 +73,8 @@ fun DrawerDefaultItems() {
                 contentDescription = null
             )
         },
-        selected = false,
+        selected = selectedItem == DrawerDefaultItemsSelection.NEW,
-        onClick = { },
+        onClick = { onClick(DrawerDefaultItemsSelection.NEW) },
         modifier = Modifier.padding(NavigationDrawerItemDefaults.ItemPadding)
     )
 
@@ -68,8 +86,8 @@ fun DrawerDefaultItems() {
                 contentDescription = null
             )
         },
-        selected = false,
+        selected = selectedItem == DrawerDefaultItemsSelection.FAVORITES,
-        onClick = { },
+        onClick = { onClick(DrawerDefaultItemsSelection.FAVORITES) },
         modifier = Modifier.padding(NavigationDrawerItemDefaults.ItemPadding)
     )
 
@@ -81,8 +99,8 @@ fun DrawerDefaultItems() {
                 contentDescription = null
             )
         },
-        selected = false,
+        selected = selectedItem == DrawerDefaultItemsSelection.READ_LATER,
-        onClick = { },
+        onClick = { onClick(DrawerDefaultItemsSelection.READ_LATER) },
         modifier = Modifier.padding(NavigationDrawerItemDefaults.ItemPadding)
     )
 }

appcompose/src/main/java/com/readrops/app/compose/timelime/TimelineTab.kt

@@ -81,7 +81,15 @@ object TimelineTab : Tab {
         ModalNavigationDrawer(
             drawerState = drawerState,
             drawerContent = {
-                TimelineDrawer(viewModel = viewModel)
+                TimelineDrawer(
+                    viewModel = viewModel,
+                    onClickDefaultItem = {
+                        viewModel.updateDrawerDefaultItem(it)
+                        scope.launch {
+                            drawerState.close()
+                        }
+                    }
+                )
             }
         ) {
             Scaffold(

appcompose/src/main/java/com/readrops/app/compose/timelime/TimelineViewModel.kt

@@ -1,8 +1,11 @@
 package com.readrops.app.compose.timelime
 
+import androidx.compose.runtime.Immutable
 import androidx.lifecycle.viewModelScope
 import com.readrops.app.compose.base.TabViewModel
 import com.readrops.db.Database
+import com.readrops.db.entities.Feed
+import com.readrops.db.entities.Folder
 import com.readrops.db.pojo.ItemWithFeed
 import com.readrops.db.queries.ItemsQueryBuilder
 import com.readrops.db.queries.QueryFilters
@@ -13,6 +16,7 @@ import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.catch
 import kotlinx.coroutines.flow.collectLatest
 import kotlinx.coroutines.flow.consumeAsFlow
+import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
 
 class TimelineViewModel(
@@ -26,6 +30,9 @@ class TimelineViewModel(
     private var _isRefreshing = MutableStateFlow(false)
     val isRefreshing = _isRefreshing.asStateFlow()
 
+    private val _drawerState = MutableStateFlow(DrawerState())
+    val drawerState = _drawerState.asStateFlow()
+
     init {
         viewModelScope.launch(dispatcher) {
             accountEvent.consumeAsFlow().collectLatest { account ->
@@ -50,11 +57,27 @@ class TimelineViewModel(
             _isRefreshing.value = false
         }
     }
+
+    fun updateDrawerDefaultItem(selection: DrawerDefaultItemsSelection) {
+        _drawerState.update { it.copy(selection = selection) }
+    }
 }
 
 sealed class TimelineState {
     object Loading : TimelineState()
+
+    @Immutable
     data class Error(val exception: Exception) : TimelineState()
+
+    @Immutable
     data class Loaded(val items: List<ItemWithFeed>) : TimelineState()
 }
 
+@Immutable
+data class DrawerState(
+    val selection: DrawerDefaultItemsSelection = DrawerDefaultItemsSelection.ARTICLES,
+    val folderSelection: Int = 0,
+    val feedSelection: Int = 0,
+    val foldersAndFeeds: Map<Folder?, List<Feed>> = emptyMap()
+)
+