Profile picture and better UI on Community activity list (#30)

* improve activity list on community screen

* edit screenshot

Author: BenjaminCanape

lib/data/api/user_api.dart

@@ -114,7 +114,8 @@ class UserApi {
         '${ApiHelper.apiUrl}user/picture/download/$id', 'GET',
         noCache: !useCache, responseType: ResponseType.bytes);
 
-    if (response != null && response.statusCode == 404) {
+    if (response != null &&
+        (response.statusCode == 404 || (response.statusCode == 500))) {
       return null;
     }
 

lib/domain/entities/enum/friend_request_status.dart

@@ -1,7 +1,7 @@
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 
 /// Enum representing different status of friend requests.
-enum FriendRequestStatus { pending, accepted, rejected, canceled }
+enum FriendRequestStatus { pending, accepted, rejected, canceled, noDisplay }
 
 /// Extension on FriendRequestStatus to provide translated names based on the given localization.
 extension FriendRequestStatusExtension on FriendRequestStatus {
@@ -16,6 +16,8 @@ extension FriendRequestStatusExtension on FriendRequestStatus {
         return localization.rejected;
       case FriendRequestStatus.canceled:
         return localization.canceled;
+      case FriendRequestStatus.noDisplay:
+        return '';
       default:
         return '';
     }

lib/presentation/common/activity/view_model/activity_item_view_model.dart

@@ -0,0 +1,21 @@
+import 'dart:typed_data';
+
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import '../../../../data/repositories/user_repository_impl.dart';
+import 'state/activity_item_state.dart';
+
+/// Provider for the activity item view model.
+final activityItemViewModelProvider =
+    StateNotifierProvider.autoDispose<ActivityItemViewModel, ActivityItemState>(
+        (ref) => ActivityItemViewModel(ref));
+
+/// View model for the activity item widget.
+class ActivityItemViewModel extends StateNotifier<ActivityItemState> {
+  late final Ref ref;
+
+  ActivityItemViewModel(this.ref) : super(ActivityItemState.initial());
+
+  Future<Uint8List?> getProfilePicture(String userId) async {
+    return ref.read(userRepositoryProvider).downloadProfilePicture(userId);
+  }
+}

lib/presentation/common/activity/view_model/state/activity_item_state.dart

@@ -0,0 +1,9 @@
+/// The state class for activity item.
+class ActivityItemState {
+  const ActivityItemState();
+
+  /// Factory method to create the initial state.
+  factory ActivityItemState.initial() {
+    return const ActivityItemState();
+  }
+}