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/modules/sharing/providers/album_title.provider.dart

@@ -0,0 +1,15 @@
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+
+class AlbumTitleNotifier extends StateNotifier<String> {
+  AlbumTitleNotifier() : super("");
+
+  setAlbumTitle(String title) {
+    state = title;
+  }
+
+  clearAlbumTitle() {
+    state = "";
+  }
+}
+
+final albumTitleProvider = StateNotifierProvider<AlbumTitleNotifier, String>((ref) => AlbumTitleNotifier());

mobile/lib/modules/sharing/providers/asset_selection.provider.dart

@@ -0,0 +1,113 @@
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/modules/sharing/models/asset_selection_state.model.dart';
+
+import 'package:immich_mobile/shared/models/immich_asset.model.dart';
+
+class AssetSelectionNotifier extends StateNotifier<AssetSelectionState> {
+  AssetSelectionNotifier()
+      : super(AssetSelectionState(
+          selectedNewAssetsForAlbum: {},
+          selectedMonths: {},
+          selectedAdditionalAssetsForAlbum: {},
+          selectedAssetsInAlbumViewer: {},
+          isAlbumExist: false,
+          isMultiselectEnable: false,
+        ));
+
+  void setIsAlbumExist(bool isAlbumExist) {
+    state = state.copyWith(isAlbumExist: isAlbumExist);
+  }
+
+  void removeAssetsInMonth(String removedMonth, List<ImmichAsset> assetsInMonth) {
+    Set<ImmichAsset> currentAssetList = state.selectedNewAssetsForAlbum;
+    Set<String> currentMonthList = state.selectedMonths;
+
+    currentMonthList.removeWhere((selectedMonth) => selectedMonth == removedMonth);
+
+    for (ImmichAsset asset in assetsInMonth) {
+      currentAssetList.removeWhere((e) => e.id == asset.id);
+    }
+
+    state = state.copyWith(selectedNewAssetsForAlbum: currentAssetList, selectedMonths: currentMonthList);
+  }
+
+  void addAdditionalAssets(List<ImmichAsset> assets) {
+    state = state.copyWith(
+      selectedAdditionalAssetsForAlbum: {...state.selectedAdditionalAssetsForAlbum, ...assets},
+    );
+  }
+
+  void addAllAssetsInMonth(String month, List<ImmichAsset> assetsInMonth) {
+    state = state.copyWith(
+      selectedMonths: {...state.selectedMonths, month},
+      selectedNewAssetsForAlbum: {...state.selectedNewAssetsForAlbum, ...assetsInMonth},
+    );
+  }
+
+  void addNewAssets(List<ImmichAsset> assets) {
+    state = state.copyWith(
+      selectedNewAssetsForAlbum: {...state.selectedNewAssetsForAlbum, ...assets},
+    );
+  }
+
+  void removeSelectedNewAssets(List<ImmichAsset> assets) {
+    Set<ImmichAsset> currentList = state.selectedNewAssetsForAlbum;
+
+    for (ImmichAsset asset in assets) {
+      currentList.removeWhere((e) => e.id == asset.id);
+    }
+
+    state = state.copyWith(selectedNewAssetsForAlbum: currentList);
+  }
+
+  void removeSelectedAdditionalAssets(List<ImmichAsset> assets) {
+    Set<ImmichAsset> currentList = state.selectedAdditionalAssetsForAlbum;
+
+    for (ImmichAsset asset in assets) {
+      currentList.removeWhere((e) => e.id == asset.id);
+    }
+
+    state = state.copyWith(selectedAdditionalAssetsForAlbum: currentList);
+  }
+
+  void removeAll() {
+    state = state.copyWith(
+      selectedNewAssetsForAlbum: {},
+      selectedMonths: {},
+      selectedAdditionalAssetsForAlbum: {},
+      selectedAssetsInAlbumViewer: {},
+      isAlbumExist: false,
+    );
+  }
+
+  void enableMultiselection() {
+    state = state.copyWith(isMultiselectEnable: true);
+  }
+
+  void disableMultiselection() {
+    state = state.copyWith(
+      isMultiselectEnable: false,
+      selectedAssetsInAlbumViewer: {},
+    );
+  }
+
+  void addAssetsInAlbumViewer(List<ImmichAsset> assets) {
+    state = state.copyWith(
+      selectedAssetsInAlbumViewer: {...state.selectedAssetsInAlbumViewer, ...assets},
+    );
+  }
+
+  void removeAssetsInAlbumViewer(List<ImmichAsset> assets) {
+    Set<ImmichAsset> currentList = state.selectedAssetsInAlbumViewer;
+
+    for (ImmichAsset asset in assets) {
+      currentList.removeWhere((e) => e.id == asset.id);
+    }
+
+    state = state.copyWith(selectedAssetsInAlbumViewer: currentList);
+  }
+}
+
+final assetSelectionProvider = StateNotifierProvider<AssetSelectionNotifier, AssetSelectionState>((ref) {
+  return AssetSelectionNotifier();
+});

mobile/lib/modules/sharing/providers/shared_album.provider.dart

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+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/modules/sharing/models/shared_album.model.dart';
+import 'package:immich_mobile/modules/sharing/services/shared_album.service.dart';
+
+class SharedAlbumNotifier extends StateNotifier<List<SharedAlbum>> {
+  SharedAlbumNotifier() : super([]);
+
+  final SharedAlbumService _sharedAlbumService = SharedAlbumService();
+
+  getAllSharedAlbums() async {
+    List<SharedAlbum> sharedAlbums = await _sharedAlbumService.getAllSharedAlbum();
+
+    state = sharedAlbums;
+  }
+
+  Future<bool> deleteAlbum(String albumId) async {
+    var res = await _sharedAlbumService.deleteAlbum(albumId);
+
+    if (res) {
+      state = state.where((album) => album.id != albumId).toList();
+      return true;
+    } else {
+      return false;
+    }
+  }
+
+  Future<bool> leaveAlbum(String albumId) async {
+    var res = await _sharedAlbumService.leaveAlbum(albumId);
+
+    if (res) {
+      state = state.where((album) => album.id != albumId).toList();
+      return true;
+    } else {
+      return false;
+    }
+  }
+
+  Future<bool> removeAssetFromAlbum(String albumId, List<String> assetIds) async {
+    var res = await _sharedAlbumService.removeAssetFromAlbum(albumId, assetIds);
+
+    if (res) {
+      return true;
+    } else {
+      return false;
+    }
+  }
+}
+
+final sharedAlbumProvider = StateNotifierProvider<SharedAlbumNotifier, List<SharedAlbum>>((ref) {
+  return SharedAlbumNotifier();
+});
+
+final sharedAlbumDetailProvider = FutureProvider.autoDispose.family<SharedAlbum, String>((ref, albumId) async {
+  final SharedAlbumService _sharedAlbumService = SharedAlbumService();
+
+  return await _sharedAlbumService.getAlbumDetail(albumId);
+});

mobile/lib/modules/sharing/providers/suggested_shared_users.provider.dart

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+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/shared/models/user_info.model.dart';
+import 'package:immich_mobile/shared/services/user.service.dart';
+
+final suggestedSharedUsersProvider = FutureProvider.autoDispose<List<UserInfo>>((ref) async {
+  UserService userService = UserService();
+
+  return await userService.getAllUsersInfo();
+});