temp build

frontend/pshared/lib/provider/template.dart

@@ -32,21 +32,23 @@ List<T> mergeLists<T>({
 /// to manage state (loading, error, data) without re‑implementing service logic.
 class GenericProvider<T extends PermissionBoundStorable> extends ChangeNotifier {
   final BasicService<T> service;
+  bool _isLoaded = false;
 
   Resource<List<T>> _resource = Resource(data: []);
   Resource<List<T>> get resource => _resource;
 
   List<T> get items => List.unmodifiable(_resource.data ?? []);
   bool get isLoading => _resource.isLoading;
-  bool get isEmpty => items.isEmpty;
   Object? get error => _resource.error;
+  bool get isReady => (error == null) && _isLoaded;
 
+  bool get isCurrentSet => _currentObjectRef != null;
   String? _currentObjectRef; // Stores the currently selected project ref
   T? get currentObject => _resource.data?.firstWhereOrNull(
     (object) => object.id == _currentObjectRef,
   );
 
-  T? getItemById(String id) => items.firstWhereOrNull((item) => item.id == id);
+  T? getItemByRef(String id) => items.firstWhereOrNull((item) => item.id == id);
 
   GenericProvider({required this.service});
 
@@ -67,11 +69,13 @@ class GenericProvider<T extends PermissionBoundStorable> extends ChangeNotifier
     notifyListeners();
   }
 
-  Future<void> loadFuture(Future<List<T>> future) async {
+  Future<List<T>> loadFuture(Future<List<T>> future) async {
     _setResource(_resource.copyWith(isLoading: true));
     try {
       final list = await future;
+      _isLoaded = true;
       _setResource(Resource(data: list, isLoading: false));
+      return list;
     } catch (e) {
       _setResource(
         _resource.copyWith(isLoading: false, error: toException(e)),
@@ -80,17 +84,30 @@ class GenericProvider<T extends PermissionBoundStorable> extends ChangeNotifier
     }
   }
 
-  Future<void> load(String organizationRef, String? parentRef) async {
+  Future<void> load(
+    String organizationRef, 
+    String? parentRef, {
+    int? limit,
+    int? offset,
+    bool? Function()? fetchArchived,
+  }) async {
     if (parentRef != null) {
-      return loadFuture(service.list(organizationRef, parentRef));
+      await loadFuture(
+        service.list(
+          organizationRef, 
+          parentRef, 
+          limit: limit, 
+          offset: offset, 
+          fetchArchived: fetchArchived == null ? null : fetchArchived(),
+        ),
+      );
     }
   }
 
   Future<void> loadItem(String itemRef) async {
-    return loadFuture((() async => [await service.get(itemRef)])());
+    await loadFuture((() async => [await service.get(itemRef)])());
   }
 
-
   List<T> merge(List<T> rhs) => mergeLists<T>(
     lhs: items,
     rhs: rhs,
@@ -134,11 +151,47 @@ class GenericProvider<T extends PermissionBoundStorable> extends ChangeNotifier
     }
   }
 
-  Future<void> delete(String objectRef) async {
+  Future<void> delete(String objectRef, {Map<String, dynamic>? request}) async {
     _setResource(_resource.copyWith(isLoading: true));
 
     try {
-      await service.delete(objectRef);
+      await service.delete(objectRef, request: request);
+      if (_currentObjectRef == objectRef) {
+        _currentObjectRef = null;
+      }
+
+      _setResource(Resource(
+        data: _resource.data?.where((p) => p.id != objectRef).toList(),
+        isLoading: false,
+      ));
+    } catch (e) {
+      _setResource(Resource(data: _resource.data, isLoading: false, error: toException(e)));
+      rethrow;
+    }
+  }
+
+  Future<void> toggleArchived(T item, bool currentState, {bool? cascade}) => setArchived(
+    organizationRef: item.organizationRef, 
+    objectRef: item.id, 
+    newIsArchived: !currentState,
+    cascade: cascade ?? true,
+  );
+
+  Future<void> setArchived({
+    required String organizationRef, 
+    required String objectRef, 
+    required bool newIsArchived, 
+    bool? cascade,
+  }) async {
+    _setResource(_resource.copyWith(isLoading: true));
+
+    try {
+      await service.archive(
+        organizationRef: organizationRef,
+        objectRef: objectRef, 
+        newIsArchived: newIsArchived,
+        cascade: cascade,
+      );
       if (_currentObjectRef == objectRef) {
         _currentObjectRef = null;
       }
@@ -154,11 +207,17 @@ class GenericProvider<T extends PermissionBoundStorable> extends ChangeNotifier
   }
 
   bool setCurrentObject(String? objectRef) {
+    if (_currentObjectRef == objectRef) {
+      // No change, skip notification
+      return true;
+    }
+
     if (objectRef == null) {
       _currentObjectRef = null;
       notifyListeners();
       return true;
     }
+
     if (_resource.data?.any((p) => p.id == objectRef) ?? false) {
       _currentObjectRef = objectRef;
       notifyListeners();
@@ -167,4 +226,5 @@ class GenericProvider<T extends PermissionBoundStorable> extends ChangeNotifier
 
     return false; // Object not found
   }
+
 }