Merge remote-tracking branch 'origin/master' into theme

lib/core/configuration.dart

@@ -75,7 +75,7 @@ class Configuration {
   String _volatilePassword;
 
   final _secureStorageOptionsIOS =
-      IOSOptions(accessibility: IOSAccessibility.first_unlock_this_device);
+      IOSOptions(accessibility: IOSAccessibility.first_unlock);
 
   Future<void> init() async {
     _preferences = await SharedPreferences.getInstance();

lib/core/constants.dart

@@ -24,3 +24,6 @@ const kThumbnailServerLoadDeferDuration = Duration(milliseconds: 80);
 // 256 bit key maps to 24 words
 // https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki#Generating_the_mnemonic
 const kMnemonicKeyWordCount = 24;
+
+// https://stackoverflow.com/a/61162219
+const kDragSensitivity = 8;

lib/db/collections_db.dart

@@ -27,6 +27,9 @@ class CollectionsDB {
   static final columnVersion = 'version';
   static final columnSharees = 'sharees';
   static final columnPublicURLs = 'public_urls';
+  // MMD -> Magic Metadata
+  static final columnMMdEncodedJson = 'mmd_encoded_json';
+  static final columnMMdVersion = 'mmd_ver';
   static final columnUpdationTime = 'updation_time';
   static final columnIsDeleted = 'is_deleted';
 
@@ -37,6 +40,7 @@ class CollectionsDB {
     ...addVersion(),
     ...addIsDeleted(),
     ...addPublicURLs(),
+    ...addPrivateMetadata(),
   ];
 
   final dbConfig = MigrationConfig(
@@ -138,6 +142,17 @@ class CollectionsDB {
     ];
   }
 
+  static List<String> addPrivateMetadata() {
+    return [
+      '''
+        ALTER TABLE $table ADD COLUMN $columnMMdEncodedJson TEXT DEFAULT '{}';
+      ''',
+      '''
+        ALTER TABLE $table ADD COLUMN $columnMMdVersion INTEGER DEFAULT 0;
+      '''
+    ];
+  }
+
   Future<List<dynamic>> insert(List<Collection> collections) async {
     final db = await instance.database;
     var batch = db.batch();
@@ -204,11 +219,13 @@ class CollectionsDB {
     } else {
       row[columnIsDeleted] = _sqlBoolFalse;
     }
+    row[columnMMdVersion] = collection.mMdVersion ?? 0;
+    row[columnMMdEncodedJson] = collection.mMdEncodedJson ?? '{}';
     return row;
   }
 
   Collection _convertToCollection(Map<String, dynamic> row) {
-    return Collection(
+    Collection result = Collection(
       row[columnID],
       User.fromJson(row[columnOwner]),
       row[columnEncryptedKey],
@@ -232,5 +249,8 @@ class CollectionsDB {
       // default to False is columnIsDeleted is not set
       isDeleted: (row[columnIsDeleted] ?? _sqlBoolFalse) == _sqlBoolTrue,
     );
+    result.mMdVersion = row[columnMMdVersion] ?? 0;
+    result.mMdEncodedJson = row[columnMMdEncodedJson] ?? '{}';
+    return result;
   }
 }

lib/db/files_db.dart

@@ -399,7 +399,10 @@ class FilesDB {
 
   Future<FileLoadResult> getAllUploadedFiles(
       int startTime, int endTime, int ownerID,
-      {int limit, bool asc, int visibility = kVisibilityVisible}) async {
+      {int limit,
+      bool asc,
+      int visibility = kVisibilityVisible,
+      Set<int> ignoredCollectionIDs}) async {
     final db = await instance.database;
     final order = (asc ?? false ? 'ASC' : 'DESC');
     final results = await db.query(
@@ -413,13 +416,14 @@ class FilesDB {
       limit: limit,
     );
     final files = _convertToFiles(results);
-    List<File> deduplicatedFiles = _deduplicatedFiles(files);
+    List<File> deduplicatedFiles =
+        _deduplicatedAndFilterIgnoredFiles(files, ignoredCollectionIDs);
     return FileLoadResult(deduplicatedFiles, files.length == limit);
   }
 
   Future<FileLoadResult> getAllLocalAndUploadedFiles(
       int startTime, int endTime, int ownerID,
-      {int limit, bool asc}) async {
+      {int limit, bool asc, Set<int> ignoredCollectionIDs}) async {
     final db = await instance.database;
     final order = (asc ?? false ? 'ASC' : 'DESC');
     final results = await db.query(
@@ -433,13 +437,14 @@ class FilesDB {
       limit: limit,
     );
     final files = _convertToFiles(results);
-    List<File> deduplicatedFiles = _deduplicatedFiles(files);
+    List<File> deduplicatedFiles =
+        _deduplicatedAndFilterIgnoredFiles(files, ignoredCollectionIDs);
     return FileLoadResult(deduplicatedFiles, files.length == limit);
   }
 
   Future<FileLoadResult> getImportantFiles(
       int startTime, int endTime, int ownerID, List<String> paths,
-      {int limit, bool asc}) async {
+      {int limit, bool asc, Set<int> ignoredCollectionIDs}) async {
     final db = await instance.database;
     String inParam = "";
     for (final path in paths) {
@@ -458,15 +463,21 @@ class FilesDB {
       limit: limit,
     );
     final files = _convertToFiles(results);
-    List<File> deduplicatedFiles = _deduplicatedFiles(files);
+    List<File> deduplicatedFiles =
+        _deduplicatedAndFilterIgnoredFiles(files, ignoredCollectionIDs);
     return FileLoadResult(deduplicatedFiles, files.length == limit);
   }
 
-  List<File> _deduplicatedFiles(List<File> files) {
+  List<File> _deduplicatedAndFilterIgnoredFiles(
+      List<File> files, Set<int> ignoredCollectionIDs) {
     final uploadedFileIDs = <int>{};
     final List<File> deduplicatedFiles = [];
     for (final file in files) {
       final id = file.uploadedFileID;
+      if (ignoredCollectionIDs != null &&
+          ignoredCollectionIDs.contains(file.collectionID)) {
+        continue;
+      }
       if (id != null && id != -1 && uploadedFileIDs.contains(id)) {
         continue;
       }

lib/models/collection.dart

@@ -1,6 +1,8 @@
 import 'dart:convert';
+import 'dart:core';
 
 import 'package:flutter/foundation.dart';
+import 'package:photos/models/magic_metadata.dart';
 
 class Collection {
   final int id;
@@ -16,6 +18,14 @@ class Collection {
   final List<PublicURL> publicURLs;
   final int updationTime;
   final bool isDeleted;
+  String mMdEncodedJson;
+  int mMdVersion = 0;
+  CollectionMagicMetadata _mmd;
+
+  CollectionMagicMetadata get magicMetadata =>
+      _mmd ?? CollectionMagicMetadata.fromEncodedJson(mMdEncodedJson ?? '{}');
+
+  set magicMetadata(val) => _mmd = val;
 
   Collection(
     this.id,
@@ -33,6 +43,10 @@ class Collection {
     this.isDeleted = false,
   });
 
+  bool isArchived() {
+    return mMdVersion > 0 && magicMetadata.visibility == kVisibilityArchive;
+  }
+
   static CollectionType typeFromString(String type) {
     switch (type) {
       case "folder":
@@ -54,8 +68,8 @@ class Collection {
     }
   }
 
-  Collection copyWith({
+  Collection copyWith(
-    int id,
+      {int id,
       User owner,
       String encryptedKey,
       String keyDecryptionNonce,
@@ -68,8 +82,9 @@ class Collection {
       List<PublicURL> publicURLs,
       int updationTime,
       bool isDeleted,
-  }) {
+      String mMdEncodedJson,
-    return Collection(
+      int mMdVersion}) {
+    Collection result = Collection(
       id ?? this.id,
       owner ?? this.owner,
       encryptedKey ?? this.encryptedKey,
@@ -84,6 +99,9 @@ class Collection {
       updationTime ?? this.updationTime,
       isDeleted: isDeleted ?? this.isDeleted,
     );
+    result.mMdVersion = mMdVersion ?? this.mMdVersion;
+    result.mMdEncodedJson = mMdEncodedJson ?? this.mMdEncodedJson;
+    return result;
   }
 
   Map<String, dynamic> toMap() {

lib/models/magic_metadata.dart

@@ -62,3 +62,30 @@ class PubMagicMetadata {
     );
   }
 }
+
+class CollectionMagicMetadata {
+  // 0 -> visible
+  // 1 -> archived
+  // 2 -> hidden etc?
+  int visibility;
+
+  CollectionMagicMetadata({this.visibility});
+
+  factory CollectionMagicMetadata.fromEncodedJson(String encodedJson) =>
+      CollectionMagicMetadata.fromJson(jsonDecode(encodedJson));
+
+  factory CollectionMagicMetadata.fromJson(dynamic json) => CollectionMagicMetadata.fromMap(json);
+
+  Map<String, dynamic> toJson() {
+    final map = <String, dynamic>{};
+    map[kMagicKeyVisibility] = visibility;
+    return map;
+  }
+
+  factory CollectionMagicMetadata.fromMap(Map<String, dynamic> map) {
+    if (map == null) return null;
+    return CollectionMagicMetadata(
+      visibility: map[kMagicKeyVisibility] ?? kVisibilityVisible,
+    );
+  }
+}

lib/services/collections_service.dart

@@ -1,4 +1,5 @@
 import 'dart:convert';
+import 'dart:math';
 import 'dart:typed_data';
 
 import 'package:dio/dio.dart';
@@ -19,7 +20,9 @@ import 'package:photos/events/local_photos_updated_event.dart';
 import 'package:photos/models/collection.dart';
 import 'package:photos/models/collection_file_item.dart';
 import 'package:photos/models/file.dart';
+import 'package:photos/models/magic_metadata.dart';
 import 'package:photos/services/app_lifecycle_service.dart';
+import 'package:photos/services/file_magic_service.dart';
 import 'package:photos/services/remote_sync_service.dart';
 import 'package:photos/utils/crypto_util.dart';
 import 'package:photos/utils/file_download_util.dart';
@@ -27,7 +30,7 @@ import 'package:shared_preferences/shared_preferences.dart';
 
 class CollectionsService {
   static final _collectionSyncTimeKeyPrefix = "collection_sync_time_";
-  static final _collectionsSyncTimeKey = "collections_sync_time";
+  static final _collectionsSyncTimeKey = "collections_sync_time_x";
 
   static const int kMaximumWriteAttempts = 5;
 
@@ -55,6 +58,7 @@ class CollectionsService {
   Future<void> init() async {
     _prefs = await SharedPreferences.getInstance();
     final collections = await _db.getAllCollections();
+
     for (final collection in collections) {
       _cacheCollectionAttributes(collection);
     }
@@ -74,8 +78,7 @@ class CollectionsService {
         _prefs.getInt(_collectionsSyncTimeKey) ?? 0;
 
     // Might not have synced the collection fully
-    final fetchedCollections =
+    final fetchedCollections = await _fetchCollections(0);
-        await _fetchCollections(lastCollectionUpdationTime ?? 0);
     final updatedCollections = <Collection>[];
     int maxUpdationTime = lastCollectionUpdationTime;
     final ownerID = _config.getUserID();
@@ -127,6 +130,14 @@ class CollectionsService {
     return updatedCollections;
   }
 
+  Set<int> getArchivedCollections() {
+    return _collectionIDToCollections.values
+        .toList()
+        .where((element) => element.isArchived())
+        .map((e) => e.id)
+        .toSet();
+  }
+
   int getCollectionSyncTime(int collectionID) {
     return _prefs
             .getInt(_collectionSyncTimeKeyPrefix + collectionID.toString()) ??
@@ -273,6 +284,64 @@ class CollectionsService {
     }
   }
 
+  Future<void> updateMagicMetadata(
+      Collection collection, Map<String, dynamic> newMetadataUpdate) async {
+    final int ownerID = Configuration.instance.getUserID();
+    try {
+      if (collection.owner.id != ownerID) {
+        throw AssertionError("cannot modify albums not owned by you");
+      }
+      // read the existing magic metadata and apply new updates to existing data
+      // current update is simple replace. This will be enhanced in the future,
+      // as required.
+      Map<String, dynamic> jsonToUpdate =
+          jsonDecode(collection.mMdEncodedJson ?? '{}');
+      newMetadataUpdate.forEach((key, value) {
+        jsonToUpdate[key] = value;
+      });
+
+      // update the local information so that it's reflected on UI
+      collection.mMdEncodedJson = jsonEncode(jsonToUpdate);
+      collection.magicMetadata = CollectionMagicMetadata.fromJson(jsonToUpdate);
+
+      final key = getCollectionKey(collection.id);
+      final encryptedMMd = await CryptoUtil.encryptChaCha(
+          utf8.encode(jsonEncode(jsonToUpdate)), key);
+      // for required field, the json validator on golang doesn't treat 0 as valid
+      // value. Instead of changing version to ptr, decided to start version with 1.
+      int currentVersion = max(collection.mMdVersion, 1);
+      final params = UpdateMagicMetadataRequest(
+        id: collection.id,
+        magicMetadata: MetadataRequest(
+          version: currentVersion,
+          count: jsonToUpdate.length,
+          data: Sodium.bin2base64(encryptedMMd.encryptedData),
+          header: Sodium.bin2base64(encryptedMMd.header),
+        ),
+      );
+      await _dio.put(
+        Configuration.instance.getHttpEndpoint() +
+            "/collections/magic-metadata",
+        data: params,
+        options: Options(
+            headers: {"X-Auth-Token": Configuration.instance.getToken()}),
+      );
+      collection.mMdVersion = currentVersion + 1;
+      _cacheCollectionAttributes(collection);
+      // trigger sync to fetch the latest collection state from server
+      sync();
+    } on DioError catch (e) {
+      if (e.response != null && e.response.statusCode == 409) {
+        _logger.severe('collection magic data out of sync');
+        sync();
+      }
+      rethrow;
+    } catch (e, s) {
+      _logger.severe("failed to sync magic metadata", e, s);
+      rethrow;
+    }
+  }
+
   Future<void> createShareUrl(Collection collection) async {
     try {
       final response = await _dio.post(
@@ -361,8 +430,20 @@ class CollectionsService {
       final List<Collection> collections = [];
       if (response != null) {
         final c = response.data["collections"];
-        for (final collection in c) {
+        for (final collectionData in c) {
-          collections.add(Collection.fromMap(collection));
+          final collection = Collection.fromMap(collectionData);
+          if (collectionData['magicMetadata'] != null) {
+            final decryptionKey = _getDecryptedKey(collection);
+            final utfEncodedMmd = await CryptoUtil.decryptChaCha(
+                Sodium.base642bin(collectionData['magicMetadata']['data']),
+                decryptionKey,
+                Sodium.base642bin(collectionData['magicMetadata']['header']));
+            collection.mMdEncodedJson = utf8.decode(utfEncodedMmd);
+            collection.mMdVersion = collectionData['magicMetadata']['version'];
+            collection.magicMetadata = CollectionMagicMetadata.fromEncodedJson(
+                collection.mMdEncodedJson);
+          }
+          collections.add(collection);
         }
       }
       return collections;
@@ -408,7 +489,19 @@ class CollectionsService {
             headers: {"X-Auth-Token": Configuration.instance.getToken()}),
       );
       assert(response != null && response.data != null);
-      final collection = Collection.fromMap(response.data["collection"]);
+      final collectionData = response.data["collection"];
+      final collection = Collection.fromMap(collectionData);
+      if (collectionData['magicMetadata'] != null) {
+        final decryptionKey = _getDecryptedKey(collection);
+        final utfEncodedMmd = await CryptoUtil.decryptChaCha(
+            Sodium.base642bin(collectionData['magicMetadata']['data']),
+            decryptionKey,
+            Sodium.base642bin(collectionData['magicMetadata']['header']));
+        collection.mMdEncodedJson = utf8.decode(utfEncodedMmd);
+        collection.mMdVersion = collectionData['magicMetadata']['version'];
+        collection.magicMetadata =
+            CollectionMagicMetadata.fromEncodedJson(collection.mMdEncodedJson);
+      }
       await _db.insert(List.from([collection]));
       _cacheCollectionAttributes(collection);
       return collection;

lib/services/remote_sync_service.dart

@@ -217,7 +217,7 @@ class RemoteSyncService {
       // uploaded yet. These files should ignore video backup & ignored files filter
       filesToBeUploaded = await _db.getPendingManualUploads();
     }
-    _moveVideosToEnd(filesToBeUploaded);
+    _sortByTimeAndType(filesToBeUploaded);
     _logger.info(
         filesToBeUploaded.length.toString() + " new files to be uploaded.");
     return filesToBeUploaded;
@@ -453,10 +453,12 @@ class RemoteSyncService {
     return Platform.isIOS && !AppLifecycleService.instance.isForeground;
   }
 
-  void _moveVideosToEnd(List<File> file) {
+  // _sortByTimeAndType moves videos to end and sort by creation time (desc).
+  // This is done to upload most recent photo first.
+  void _sortByTimeAndType(List<File> file) {
     file.sort((first, second) {
       if (first.fileType == second.fileType) {
-        return 0;
+        return second.creationTime.compareTo(first.creationTime);
       } else if (first.fileType == FileType.video) {
         return 1;
       } else {

lib/ui/collections_gallery_widget.dart

@@ -487,7 +487,8 @@ class CollectionItem extends StatelessWidget {
                   tag: "collection" + c.thumbnail.tag(),
                   child: ThumbnailWidget(
                     c.thumbnail,
-                    key: Key("collection" + c.thumbnail.tag()),
+                    shouldShowArchiveStatus: c.collection.isArchived(),
+                    key: Key("collection" + c.thumbnail.tag(),),
                   )),
               height: 140,
               width: 140,

lib/ui/gallery_app_bar_widget.dart

@@ -166,11 +166,11 @@ class _GalleryAppBarWidgetState extends State<GalleryAppBarWidget> {
         ),
       );
     }
-    if (widget.type == GalleryAppBarType.owned_collection &&
+    if (widget.type == GalleryAppBarType.owned_collection) {
-        widget.collection.type == CollectionType.album) {
       actions.add(PopupMenuButton(
         itemBuilder: (context) {
           final List<PopupMenuItem> items = [];
+          if (widget.collection.type == CollectionType.album) {
             items.add(
               PopupMenuItem(
                 value: 1,
@@ -185,12 +185,36 @@ class _GalleryAppBarWidgetState extends State<GalleryAppBarWidget> {
                 ),
               ),
             );
+          }
+          bool isArchived = widget.collection.isArchived();
+          items.add(
+            PopupMenuItem(
+              value: 2,
+              child: Row(
+                children: [
+                  Icon(isArchived ? Icons.unarchive : Icons.archive),
+                  Padding(
+                    padding: EdgeInsets.all(8),
+                  ),
+                  Text(isArchived ? "unarchive" : "archive"),
+                ],
+              ),
+            ),
+          );
           return items;
         },
         onSelected: (value) async {
           if (value == 1) {
             await _renameAlbum(context);
           }
+          if (value == 2) {
+            await changeCollectionVisibility(
+                context,
+                widget.collection,
+                widget.collection.isArchived()
+                    ? kVisibilityVisible
+                    : kVisibilityArchive);
+          }
         },
       ));
     }

lib/ui/home_widget.dart

@@ -343,20 +343,28 @@ class _HomeWidgetState extends State<HomeWidget> {
       asyncLoader: (creationStartTime, creationEndTime, {limit, asc}) async {
         final importantPaths = Configuration.instance.getPathsToBackUp();
         final ownerID = Configuration.instance.getUserID();
+        final archivedCollectionIds =
+        CollectionsService.instance.getArchivedCollections();
         FileLoadResult result;
         if (importantPaths.isNotEmpty) {
           result = await FilesDB.instance.getImportantFiles(creationStartTime,
               creationEndTime, ownerID, importantPaths.toList(),
-              limit: limit, asc: asc);
+              limit: limit,
+              asc: asc,
+              ignoredCollectionIDs: archivedCollectionIds);
         } else {
           if (LocalSyncService.instance.hasGrantedLimitedPermissions()) {
             result = await FilesDB.instance.getAllLocalAndUploadedFiles(
                 creationStartTime, creationEndTime, ownerID,
-                limit: limit, asc: asc);
+                limit: limit,
+                asc: asc,
+                ignoredCollectionIDs: archivedCollectionIds);
           } else {
             result = await FilesDB.instance.getAllUploadedFiles(
                 creationStartTime, creationEndTime, ownerID,
-                limit: limit, asc: asc);
+                limit: limit,
+                asc: asc,
+                ignoredCollectionIDs: archivedCollectionIds);
           }
         }
         // hide ignored files from home page UI

lib/ui/settings/social_section_widget.dart

@@ -35,7 +35,7 @@ class SocialSectionWidget extends StatelessWidget {
         GestureDetector(
           behavior: HitTestBehavior.translucent,
           onTap: () {
-            launch("https://discord.gg/uRqua3jSr5");
+            launch("https://ente.io/discord");
           },
           child: SettingsTextItem(text: "Discord", icon: Icons.navigate_next),
         ),

lib/ui/thumbnail_widget.dart

@@ -21,6 +21,7 @@ class ThumbnailWidget extends StatefulWidget {
   final File file;
   final BoxFit fit;
   final bool shouldShowSyncStatus;
+  final bool shouldShowArchiveStatus;
   final bool shouldShowLivePhotoOverlay;
   final Duration diskLoadDeferDuration;
   final Duration serverLoadDeferDuration;
@@ -31,6 +32,7 @@ class ThumbnailWidget extends StatefulWidget {
     this.fit = BoxFit.cover,
     this.shouldShowSyncStatus = true,
     this.shouldShowLivePhotoOverlay = false,
+    this.shouldShowArchiveStatus = false,
     this.diskLoadDeferDuration,
     this.serverLoadDeferDuration,
   }) : super(key: key ?? Key(file.tag()));
@@ -74,6 +76,18 @@ class _ThumbnailWidgetState extends State<ThumbnailWidget> {
     ),
   );
 
+  static final kArchiveIconOverlay = Align(
+    alignment: Alignment.bottomRight,
+    child: Padding(
+      padding: const EdgeInsets.only(right: 8, bottom: 8),
+      child: Icon(
+        Icons.archive_outlined,
+        size: 42,
+        color: Colors.white.withOpacity(0.9),
+      ),
+    ),
+  );
+
   static final kUnsyncedIconOverlay = Container(
     decoration: BoxDecoration(
       gradient: LinearGradient(
@@ -173,8 +187,7 @@ class _ThumbnailWidgetState extends State<ThumbnailWidget> {
         content = image;
       }
     }
-    return Stack(
+    List<Widget> viewChildrens = [
-      children: [
       loadingWidget,
       AnimatedOpacity(
         opacity: content == null ? 0 : 1.0,
@@ -184,7 +197,12 @@ class _ThumbnailWidgetState extends State<ThumbnailWidget> {
       widget.shouldShowSyncStatus && widget.file.uploadedFileID == null
           ? kUnsyncedIconOverlay
           : getFileInfoContainer(widget.file),
-      ],
+    ];
+    if (widget.shouldShowArchiveStatus) {
+      viewChildrens.add(kArchiveIconOverlay);
+    }
+    return Stack(
+      children: viewChildrens,
       fit: StackFit.expand,
     );
   }

lib/ui/video_widget.dart

@@ -5,6 +5,7 @@ import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/widgets.dart';
 import 'package:logging/logging.dart';
+import 'package:photos/core/constants.dart';
 import 'package:photos/models/file.dart';
 import 'package:photos/ui/thumbnail_widget.dart';
 import 'package:photos/ui/video_controls.dart';
@@ -118,6 +119,12 @@ class _VideoWidgetState extends State<VideoWidget> {
             _videoPlayerController.value.isInitialized
         ? _getVideoPlayer()
         : _getLoadingWidget();
+    final contentWithDetector = GestureDetector(
+      child: content,
+      onVerticalDragUpdate: (d) => {
+        if (d.delta.dy > kDragSensitivity) {Navigator.of(context).pop()}
+      },
+    );
     return VisibilityDetector(
       key: Key(widget.file.tag()),
       onVisibilityChanged: (info) {
@@ -129,7 +136,7 @@ class _VideoWidgetState extends State<VideoWidget> {
       },
       child: Hero(
         tag: widget.tagPrefix + widget.file.tag(),
-        child: content,
+        child: contentWithDetector,
       ),
     );
   }

lib/ui/zoomable_image.dart

@@ -43,6 +43,7 @@ class _ZoomableImageState extends State<ZoomableImage>
   bool _loadingFinalImage = false;
   bool _loadedFinalImage = false;
   ValueChanged<PhotoViewScaleState> _scaleStateChangedCallback;
+  bool _isZooming = false;
 
   @override
   void initState() {
@@ -51,6 +52,8 @@ class _ZoomableImageState extends State<ZoomableImage>
       if (widget.shouldDisableScroll != null) {
         widget.shouldDisableScroll(value != PhotoViewScaleState.initial);
       }
+      _isZooming = value != PhotoViewScaleState.initial;
+      // _logger.info('is reakky zooming $_isZooming with state $value');
     };
     super.initState();
   }
@@ -62,9 +65,10 @@ class _ZoomableImageState extends State<ZoomableImage>
     } else {
       _loadLocalImage(context);
     }
+    Widget content;
 
     if (_imageProvider != null) {
-      return PhotoView(
+      content = PhotoView(
         imageProvider: _imageProvider,
         scaleStateChangedCallback: _scaleStateChangedCallback,
         minScale: PhotoViewComputedScale.contained,
@@ -75,8 +79,19 @@ class _ZoomableImageState extends State<ZoomableImage>
         backgroundDecoration: widget.backgroundDecoration,
       );
     } else {
-      return loadWidget;
+      content = loadWidget;
     }
+
+    GestureDragUpdateCallback verticalDragCallback = _isZooming
+        ? null
+        : (d) => {
+              if (!_isZooming && d.delta.dy > kDragSensitivity)
+                {Navigator.of(context).pop()}
+            };
+    return GestureDetector(
+      child: content,
+      onVerticalDragUpdate: verticalDragCallback,
+    );
   }
 
   void _loadNetworkImage() {

lib/utils/magic_util.dart

@@ -4,8 +4,10 @@ import 'package:logging/logging.dart';
 import 'package:path/path.dart';
 import 'package:photos/core/event_bus.dart';
 import 'package:photos/events/force_reload_home_gallery_event.dart';
+import 'package:photos/models/collection.dart';
 import 'package:photos/models/file.dart';
 import 'package:photos/models/magic_metadata.dart';
+import 'package:photos/services/collections_service.dart';
 import 'package:photos/services/file_magic_service.dart';
 import 'package:photos/ui/rename_dialog.dart';
 import 'package:photos/utils/dialog_util.dart';
@@ -32,6 +34,28 @@ Future<void> changeVisibility(
   }
 }
 
+Future<void> changeCollectionVisibility(
+    BuildContext context, Collection collection, int newVisibility) async {
+  final dialog = createProgressDialog(context,
+      newVisibility == kVisibilityArchive ? "archiving..." : "unarchiving...");
+  await dialog.show();
+  try {
+    Map<String, dynamic> update = {kMagicKeyVisibility: newVisibility};
+    await CollectionsService.instance.updateMagicMetadata(collection, update);
+    // Force reload home gallery to pull in the now unarchived files
+    Bus.instance.fire(ForceReloadHomeGalleryEvent());
+    showShortToast(newVisibility == kVisibilityArchive
+        ? "successfully archived"
+        : "successfully unarchived");
+
+    await dialog.hide();
+  } catch (e, s) {
+    _logger.severe("failed to update collection visibility", e, s);
+    await dialog.hide();
+    rethrow;
+  }
+}
+
 Future<bool> editTime(
     BuildContext context, List<File> files, int editedTime) async {
   try {

pubspec.yaml

@@ -11,7 +11,7 @@ description: ente photos application
 # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
 # Read more about iOS versioning at
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
-version: 0.5.10+290
+version: 0.5.11+291
 
 environment:
   sdk: ">=2.10.0 <3.0.0"