feat(filters): add option to toggle hidden files

feature/browse/src/main/kotlin/dev/anmitali/nook/feature/browse/BrowseScreen.kt

@@ -43,6 +43,7 @@ import androidx.compose.material.icons.automirrored.filled.Sort
 import androidx.compose.material.icons.filled.Storage
 import androidx.compose.material.icons.filled.Warning
 import androidx.compose.material3.Button
+import androidx.compose.material3.Checkbox
 import androidx.compose.material3.CircularProgressIndicator
 import androidx.compose.material3.DrawerValue
 import androidx.compose.material3.DropdownMenu
@@ -120,6 +121,7 @@ fun BrowseScreen(
     val volumes by viewModel.volumes.collectAsState()
     val sortOrder by viewModel.sortOrder.collectAsState()
     val groupBy by viewModel.groupBy.collectAsState()
+    val showHiddenFiles by viewModel.showHiddenFiles.collectAsState()
     val isSearchActive by viewModel.isSearchActive.collectAsState()
     val searchQuery by viewModel.searchQuery.collectAsState()
     val searchResults by viewModel.searchResults.collectAsState()
@@ -266,9 +268,11 @@ fun BrowseScreen(
                                     onDismiss = { showSortMenu = false },
                                     sortOrder = sortOrder,
                                     groupBy = groupBy,
+                                    showHiddenFiles = showHiddenFiles,
                                     onSortByChanged = viewModel::onSortByChanged,
                                     onDirectionToggle = viewModel::onSortDirectionToggled,
                                     onGroupByChanged = viewModel::onGroupByChanged,
+                                    onToggleShowHiddenFiles = viewModel::onToggleShowHiddenFiles,
                                 )
                             }
                         },
@@ -500,9 +504,11 @@ private fun SortMenu(
     onDismiss: () -> Unit,
     sortOrder: SortOrder,
     groupBy: GroupBy,
+    showHiddenFiles: Boolean,
     onSortByChanged: (SortBy) -> Unit,
     onDirectionToggle: () -> Unit,
     onGroupByChanged: (GroupBy) -> Unit,
+    onToggleShowHiddenFiles: () -> Unit,
 ) {
     DropdownMenu(expanded = expanded, onDismissRequest = onDismiss) {
         listOf(
@@ -534,6 +540,14 @@ private fun SortMenu(
                 onClick = { onGroupByChanged(group) },
             )
         }
+        HorizontalDivider()
+        DropdownMenuItem(
+            text = { Text(stringResource(R.string.browse_show_hidden_files)) },
+            leadingIcon = {
+                Checkbox(checked = showHiddenFiles, onCheckedChange = null)
+            },
+            onClick = onToggleShowHiddenFiles,
+        )
     }
 }
 

feature/browse/src/main/kotlin/dev/anmitali/nook/feature/browse/BrowseViewModel.kt

@@ -28,6 +28,7 @@ import dev.anmitali.nook.core.domain.WrongPasswordException
 import dev.anmitali.nook.core.model.Bookmark
 import dev.anmitali.nook.core.model.FileConflictPolicy
 import dev.anmitali.nook.core.model.FileDetails
+import dev.anmitali.nook.core.model.FileGroup
 import dev.anmitali.nook.core.model.FileItem
 import dev.anmitali.nook.core.model.FileOperationProgress
 import dev.anmitali.nook.core.model.GroupBy
@@ -113,6 +114,9 @@ class BrowseViewModel @Inject constructor(
     private val _isSearching = MutableStateFlow(false)
     val isSearching: StateFlow<Boolean> = _isSearching.asStateFlow()
 
+    private val _showHiddenFiles = MutableStateFlow(false)
+    val showHiddenFiles: StateFlow<Boolean> = _showHiddenFiles.asStateFlow()
+
     private val _bookmarks = MutableStateFlow<List<Bookmark>>(emptyList())
     val bookmarks: StateFlow<List<Bookmark>> = _bookmarks.asStateFlow()
 
@@ -183,6 +187,11 @@ class BrowseViewModel @Inject constructor(
         applySortAndGroup()
     }
 
+    fun onToggleShowHiddenFiles() {
+        _showHiddenFiles.update { !it }
+        applySortAndGroup()
+    }
+
     fun onSearchActivated() {
         _isSearchActive.value = true
     }
@@ -207,7 +216,9 @@ class BrowseViewModel @Inject constructor(
             delay(SEARCH_DEBOUNCE_MILLIS)
             _isSearching.value = true
             searchFilesUseCase(currentPath, query)
-                .onEach { results -> _searchResults.value = results }
+                .onEach { results ->
+                    _searchResults.value = if (_showHiddenFiles.value) results else results.filterNot { it.isHidden }
+                }
                 .onCompletion { _isSearching.value = false }
                 .catch { _isSearching.value = false }
                 .launchIn(this)
@@ -459,8 +470,13 @@ class BrowseViewModel @Inject constructor(
 
     private fun applySortAndGroup() {
         val state = _uiState.value as? BrowseUiState.Content ?: return
-        val sorted = sortFilesUseCase(rawItems, _sortOrder.value)
-        _uiState.value = state.copy(groups = groupFilesUseCase(sorted, _groupBy.value))
+        _uiState.value = state.copy(groups = buildGroups(rawItems))
+    }
+
+    private fun buildGroups(items: List<FileItem>): List<FileGroup> {
+        val visible = if (_showHiddenFiles.value) items else items.filterNot { it.isHidden }
+        val sorted = sortFilesUseCase(visible, _sortOrder.value)
+        return groupFilesUseCase(sorted, _groupBy.value)
     }
 
     private fun checkPermissionAndLoad(path: String) {
@@ -474,11 +490,10 @@ class BrowseViewModel @Inject constructor(
         listFilesUseCase(path)
             .onEach { items ->
                 rawItems = items
-                val sorted = sortFilesUseCase(items, _sortOrder.value)
                 _uiState.value = BrowseUiState.Content(
                     currentPath = path,
                     breadcrumbs = path.split(File.separatorChar).filter { it.isNotBlank() },
-                    groups = groupFilesUseCase(sorted, _groupBy.value),
+                    groups = buildGroups(items),
                 )
             }
             .catch { throwable ->

feature/browse/src/main/res/values-ru/strings.xml

@@ -61,6 +61,7 @@
     <string name="browse_group_none">Без группировки</string>
     <string name="browse_group_by_type">Группировать по типу</string>
     <string name="browse_group_by_date">Группировать по дате</string>
+    <string name="browse_show_hidden_files">Показывать скрытые файлы</string>
 
     <string name="browse_group_type_directory">Папки</string>
     <string name="browse_group_type_image">Изображения</string>

feature/browse/src/main/res/values/strings.xml

@@ -61,6 +61,7 @@
     <string name="browse_group_none">No grouping</string>
     <string name="browse_group_by_type">Group by type</string>
     <string name="browse_group_by_date">Group by date</string>
+    <string name="browse_show_hidden_files">Show hidden files</string>
 
     <string name="browse_group_type_directory">Folders</string>
     <string name="browse_group_type_image">Images</string>