118 - Implement shared album feature (#124)

* New features 
  - Share album. Users can now create albums to share with existing people on the network.
  - Owner can delete the album.
  - Owner can invite the additional users to the album.
  - Shared users and the owner can add additional assets to the album.
* In the asset viewer, the user can swipe up to see detailed information and swip down to dismiss.
* Several UI enhancements.

mobile/lib/shared/providers/asset.provider.dart

@@ -0,0 +1,82 @@
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/modules/home/models/delete_asset_response.model.dart';
+import 'package:immich_mobile/modules/home/services/asset.service.dart';
+import 'package:immich_mobile/shared/models/immich_asset.model.dart';
+import 'package:immich_mobile/shared/services/device_info.service.dart';
+import 'package:collection/collection.dart';
+import 'package:intl/intl.dart';
+import 'package:photo_manager/photo_manager.dart';
+
+class AssetNotifier extends StateNotifier<List<ImmichAsset>> {
+  final AssetService _assetService = AssetService();
+  final DeviceInfoService _deviceInfoService = DeviceInfoService();
+  final Ref ref;
+
+  AssetNotifier(this.ref) : super([]);
+
+  getAllAsset() async {
+    List<ImmichAsset>? allAssets = await _assetService.getAllAsset();
+
+    if (allAssets != null) {
+      state = allAssets;
+    }
+  }
+
+  clearAllAsset() {
+    state = [];
+  }
+
+  onNewAssetUploaded(ImmichAsset newAsset) {
+    state = [...state, newAsset];
+  }
+
+  deleteAssets(Set<ImmichAsset> deleteAssets) async {
+    var deviceInfo = await _deviceInfoService.getDeviceInfo();
+    var deviceId = deviceInfo["deviceId"];
+    List<String> deleteIdList = [];
+    // Delete asset from device
+    for (var asset in deleteAssets) {
+      // Delete asset on device if present
+      if (asset.deviceId == deviceId) {
+        AssetEntity? localAsset = await AssetEntity.fromId(asset.deviceAssetId);
+
+        if (localAsset != null) {
+          deleteIdList.add(localAsset.id);
+        }
+      }
+    }
+
+    final List<String> result = await PhotoManager.editor.deleteWithIds(deleteIdList);
+
+    // Delete asset on server
+    List<DeleteAssetResponse>? deleteAssetResult = await _assetService.deleteAssets(deleteAssets);
+    if (deleteAssetResult == null) {
+      return;
+    }
+
+    for (var asset in deleteAssetResult) {
+      if (asset.status == 'success') {
+        state = state.where((immichAsset) => immichAsset.id != asset.id).toList();
+      }
+    }
+  }
+}
+
+final assetProvider = StateNotifierProvider<AssetNotifier, List<ImmichAsset>>((ref) {
+  return AssetNotifier(ref);
+});
+
+final assetGroupByDateTimeProvider = StateProvider((ref) {
+  var assets = ref.watch(assetProvider);
+
+  assets.sortByCompare<DateTime>((e) => DateTime.parse(e.createdAt), (a, b) => b.compareTo(a));
+  return assets.groupListsBy((element) => DateFormat('y-MM-dd').format(DateTime.parse(element.createdAt)));
+});
+
+final assetGroupByMonthYearProvider = StateProvider((ref) {
+  var assets = ref.watch(assetProvider);
+
+  assets.sortByCompare<DateTime>((e) => DateTime.parse(e.createdAt), (a, b) => b.compareTo(a));
+
+  return assets.groupListsBy((element) => DateFormat('MMMM, y').format(DateTime.parse(element.createdAt)));
+});

mobile/lib/shared/providers/websocket.provider.dart

@@ -3,7 +3,7 @@ import 'dart:convert';
 import 'package:flutter/foundation.dart';
 import 'package:hive/hive.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
-import 'package:immich_mobile/modules/home/providers/asset.provider.dart';
+import 'package:immich_mobile/shared/providers/asset.provider.dart';
 import 'package:immich_mobile/shared/models/immich_asset.model.dart';
 import 'package:socket_io_client/socket_io_client.dart';