add refresh indicator on community screen

Author: BenjaminCanape

lib/presentation/common/core/utils/activity_utils.dart

@@ -11,6 +11,8 @@ import '../../../new_activity/view_model/sum_up_view_model.dart';
 import '../enums/infinite_scroll_list.enum.dart';
 import '../widgets/view_model/infinite_scroll_list_view_model.dart';
 
+enum ActivityUpdateActionEnum { add, edit, remove }
+
 /// Utility class for activity-related operations.
 class ActivityUtils {
   /// Returns the icon associated with the given activity type.
@@ -118,8 +120,8 @@ class ActivityUtils {
     return activities;
   }
 
-  static Future<void> updateActivity(
-      Ref<Object?> ref, Activity updatedActivity, String action) async {
+  static Future<void> updateActivity(Ref<Object?> ref, Activity updatedActivity,
+      ActivityUpdateActionEnum action) async {
     await _updateActivityList(
         ref,
         InfiniteScrollListEnum.myActivities.toString(),
@@ -139,18 +141,18 @@ class ActivityUtils {
   }
 
   static Future<void> _updateActivityList(Ref<Object?> ref, String listType,
-      Activity updatedActivity, String action) async {
+      Activity updatedActivity, ActivityUpdateActionEnum action) async {
     var data = ref.read(infiniteScrollListViewModelProvider(listType)).data;
 
     List<List<Activity>> newData = [];
 
-    if (action == 'edit') {
+    if (action == ActivityUpdateActionEnum.edit) {
       newData = ActivityUtils.replaceActivity(
           data as List<List<Activity>>, updatedActivity);
-    } else if (action == 'remove') {
+    } else if (action == ActivityUpdateActionEnum.remove) {
       newData = ActivityUtils.deleteActivity(
           data as List<List<Activity>>, updatedActivity);
-    } else if (action == 'add') {
+    } else if (action == ActivityUpdateActionEnum.add) {
       newData = ActivityUtils.prependActivity(
           data as List<List<Activity>>, updatedActivity);
     }

lib/presentation/community/screens/community_screen.dart

@@ -21,6 +21,8 @@ class CommunityScreen extends HookConsumerWidget {
 
   CommunityScreen({super.key});
 
+  final GlobalKey<RefreshIndicatorState> _refreshIndicatorKey = GlobalKey();
+
   final pendingRequestsDataFutureProvider = FutureProvider<int>((ref) async {
     final pendingRequestsProvider =
         ref.watch(pendingRequestsViewModelProvider.notifier);
@@ -40,7 +42,6 @@ class CommunityScreen extends HookConsumerWidget {
     var provider = ref.read(communityViewModelProvider.notifier);
     var pendingRequestsStateProvider =
         ref.watch(pendingRequestsDataFutureProvider);
-    //var pendingRequestsState = ref.watch(pendingRequestsViewModelProvider);
     var communityStateProvider = ref.watch(communityDataFutureProvider);
 
     return Scaffold(
@@ -112,25 +113,35 @@ class CommunityScreen extends HookConsumerWidget {
               return Text('$error');
             },
           ),
-          communityStateProvider.when(
-            data: (initialData) {
-              return ActivityList(
-                id: InfiniteScrollListEnum.community.toString(),
-                activities: initialData.list,
-                total: initialData.total,
-                displayUserName: true,
-                canOpenActivity: false,
-                bottomListScrollFct:
-                    provider.getInitialMyAndMyFriendsActivities,
-              );
-            },
-            loading: () {
-              return Center(child: UIUtils.loader);
-            },
-            error: (error, stackTrace) {
-              return Text('$error');
-            },
-          )
+          Expanded(
+            child: RefreshIndicator(
+                key: _refreshIndicatorKey,
+                onRefresh: () async {
+                  provider.refreshList();
+                  return ref.refresh(communityDataFutureProvider);
+                },
+                child: Column(children: [
+                  communityStateProvider.when(
+                    data: (initialData) {
+                      return ActivityList(
+                        id: InfiniteScrollListEnum.community.toString(),
+                        activities: initialData.list,
+                        total: initialData.total,
+                        displayUserName: true,
+                        canOpenActivity: false,
+                        bottomListScrollFct:
+                            provider.getInitialMyAndMyFriendsActivities,
+                      );
+                    },
+                    loading: () {
+                      return Center(child: UIUtils.loader);
+                    },
+                    error: (error, stackTrace) {
+                      return Text('$error');
+                    },
+                  )
+                ])),
+          ),
         ]));
   }
 }

lib/presentation/my_activities/view_model/activity_details_view_model.dart

@@ -63,7 +63,8 @@ class ActivityDetailsViewModel extends StateNotifier<ActivityDetailsState> {
           locations: const [],
           user: activity.user,
           comments: activity.comments);
-      ActivityUtils.updateActivity(ref, activityWithoutLocations, 'remove');
+      ActivityUtils.updateActivity(
+          ref, activityWithoutLocations, ActivityUpdateActionEnum.remove);
 
       navigatorKey.currentState?.pop();
       navigatorKey.currentState?.pop();
@@ -108,7 +109,8 @@ class ActivityDetailsViewModel extends StateNotifier<ActivityDetailsState> {
       StorageUtils.removeCachedDataFromUrl(
           '${ActivityApi.url}${activityEdited.id}');
       state = state.copyWith(activity: activityEdited);
-      ActivityUtils.updateActivity(ref, activityEdited, 'edit');
+      ActivityUtils.updateActivity(
+          ref, activityEdited, ActivityUpdateActionEnum.edit);
     }).whenComplete(() {
       state = state.copyWith(isLoading: false);
     });

lib/presentation/new_activity/view_model/sum_up_view_model.dart

@@ -59,7 +59,9 @@ class SumUpViewModel extends StateNotifier<SumUpState> {
           locations: locations,
         ))
         .then((value) async {
-      if (value != null) ActivityUtils.updateActivity(ref, value, 'add');
+      if (value != null) {
+        ActivityUtils.updateActivity(ref, value, ActivityUpdateActionEnum.add);
+      }
       ref.read(timerViewModelProvider.notifier).resetTimer();
       ref.read(locationViewModelProvider.notifier).resetSavedPositions();
       ref.read(metricsViewModelProvider.notifier).reset();