Add uncategorized gallery type

lib/models/gallery_type.dart

@@ -1,6 +1,7 @@
 enum GalleryType {
   homepage,
   archive,
+  uncategorized,
   hidden,
   favorite,
   trash,
@@ -23,6 +24,7 @@ extension GalleyTypeExtension on GalleryType {
         return true;
 
       case GalleryType.hidden:
+      case GalleryType.uncategorized:
       case GalleryType.trash:
       case GalleryType.sharedCollection:
         return false;
@@ -32,6 +34,7 @@ extension GalleyTypeExtension on GalleryType {
   bool showMoveToAlbum() {
     switch (this) {
       case GalleryType.ownedCollection:
+      case GalleryType.uncategorized:
         return true;
 
       case GalleryType.hidden:
@@ -55,6 +58,7 @@ extension GalleyTypeExtension on GalleryType {
       case GalleryType.homepage:
       case GalleryType.favorite:
       case GalleryType.localFolder:
+      case GalleryType.uncategorized:
         return true;
       case GalleryType.trash:
       case GalleryType.archive:
@@ -70,6 +74,7 @@ extension GalleyTypeExtension on GalleryType {
       case GalleryType.searchResults:
       case GalleryType.homepage:
       case GalleryType.favorite:
+      case GalleryType.uncategorized:
       case GalleryType.archive:
       case GalleryType.hidden:
       case GalleryType.localFolder:
@@ -87,6 +92,7 @@ extension GalleyTypeExtension on GalleryType {
       case GalleryType.homepage:
       case GalleryType.favorite:
       case GalleryType.archive:
+      case GalleryType.uncategorized:
         return true;
       case GalleryType.hidden:
       case GalleryType.localFolder:
@@ -102,6 +108,7 @@ extension GalleyTypeExtension on GalleryType {
       case GalleryType.sharedCollection:
         return true;
       case GalleryType.hidden:
+      case GalleryType.uncategorized:
       case GalleryType.favorite:
       case GalleryType.searchResults:
       case GalleryType.homepage:
@@ -116,6 +123,7 @@ extension GalleyTypeExtension on GalleryType {
     switch (this) {
       case GalleryType.ownedCollection:
       case GalleryType.homepage:
+      case GalleryType.uncategorized:
         return true;
 
       case GalleryType.hidden:
@@ -139,6 +147,7 @@ extension GalleyTypeExtension on GalleryType {
       case GalleryType.homepage:
       case GalleryType.searchResults:
       case GalleryType.archive:
+      case GalleryType.uncategorized:
         return true;
 
       case GalleryType.hidden:
@@ -159,6 +168,7 @@ extension GalleyTypeExtension on GalleryType {
       case GalleryType.ownedCollection:
       case GalleryType.homepage:
       case GalleryType.searchResults:
+      case GalleryType.uncategorized:
         return true;
 
       case GalleryType.hidden:

lib/ui/viewer/gallery/uncategorized_page.dart

@@ -0,0 +1,86 @@
+import 'package:collection/collection.dart' show IterableExtension;
+import 'package:flutter/material.dart';
+import 'package:photos/core/configuration.dart';
+import 'package:photos/core/event_bus.dart';
+import 'package:photos/db/files_db.dart';
+import 'package:photos/events/files_updated_event.dart';
+import 'package:photos/models/gallery_type.dart';
+import 'package:photos/models/magic_metadata.dart';
+import 'package:photos/models/selected_files.dart';
+import 'package:photos/services/collections_service.dart';
+import 'package:photos/ui/viewer/actions/file_selection_overlay_bar.dart';
+import 'package:photos/ui/viewer/gallery/gallery.dart';
+import 'package:photos/ui/viewer/gallery/gallery_app_bar_widget.dart';
+
+class ArchivePage extends StatelessWidget {
+  final String tagPrefix;
+  final GalleryType appBarType;
+  final GalleryType overlayType;
+  final _selectedFiles = SelectedFiles();
+
+  ArchivePage({
+    this.tagPrefix = "archived_page",
+    this.appBarType = GalleryType.archive,
+    this.overlayType = GalleryType.archive,
+    Key? key,
+  }) : super(key: key);
+
+  @override
+  Widget build(Object context) {
+    final Set<int> hiddenCollectionIDs =
+        CollectionsService.instance.getHiddenCollections();
+    final gallery = Gallery(
+      asyncLoader: (creationStartTime, creationEndTime, {limit, asc}) {
+        return FilesDB.instance.getAllPendingOrUploadedFiles(
+          creationStartTime,
+          creationEndTime,
+          Configuration.instance.getUserID()!,
+          visibility: visibilityArchive,
+          limit: limit,
+          asc: asc,
+          ignoredCollectionIDs: hiddenCollectionIDs,
+        );
+      },
+      reloadEvent: Bus.instance.on<FilesUpdatedEvent>().where(
+            (event) =>
+                event.updatedFiles.firstWhereOrNull(
+                  (element) => element.uploadedFileID != null,
+                ) !=
+                null,
+          ),
+      removalEventTypes: const {EventType.unarchived},
+      forceReloadEvents: [
+        Bus.instance.on<FilesUpdatedEvent>().where(
+              (event) =>
+                  event.updatedFiles.firstWhereOrNull(
+                    (element) => element.uploadedFileID != null,
+                  ) !=
+                  null,
+            ),
+      ],
+      tagPrefix: tagPrefix,
+      selectedFiles: _selectedFiles,
+      initialFiles: null,
+    );
+    return Scaffold(
+      appBar: PreferredSize(
+        preferredSize: const Size.fromHeight(50.0),
+        child: GalleryAppBarWidget(
+          appBarType,
+          "Archive",
+          _selectedFiles,
+        ),
+      ),
+      body: Stack(
+        alignment: Alignment.bottomCenter,
+        children: [
+          gallery,
+          FileSelectionOverlayBar(
+            overlayType,
+            _selectedFiles,
+          ),
+        ],
+      ),
+    );
+  }
+}