Source Code added

mobile/lib/extensions/asyncvalue_extensions.dart

@@ -0,0 +1,36 @@
+import 'package:flutter/material.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/widgets/common/immich_loading_indicator.dart';
+import 'package:immich_mobile/widgets/common/scaffold_error_body.dart';
+import 'package:logging/logging.dart';
+
+extension LogOnError<T> on AsyncValue<T> {
+  static final Logger _asyncErrorLogger = Logger("AsyncValue");
+
+  /// Used to return the [ImmichLoadingIndicator] and [ScaffoldErrorBody] widgets by default on loading
+  /// and error cases respectively
+  Widget widgetWhen({
+    bool skipLoadingOnRefresh = true,
+    Widget Function()? onLoading,
+    Widget Function(Object? error, StackTrace? stack)? onError,
+    required Widget Function(T data) onData,
+  }) {
+    if (isLoading) {
+      bool skip = false;
+      if (isRefreshing) {
+        skip = skipLoadingOnRefresh;
+      }
+
+      if (!skip) {
+        return onLoading?.call() ?? const Center(child: ImmichLoadingIndicator());
+      }
+    }
+
+    if (hasError && !hasValue) {
+      _asyncErrorLogger.severe('Could not load value', error, stackTrace);
+      return onError?.call(error, stackTrace) ?? ScaffoldErrorBody(errorMsg: error?.toString());
+    }
+
+    return onData(requireValue);
+  }
+}