feat: dyn reaction

Signed-off-by: dom <githubaccount56556@proton.me>

lib/pages/common/dyn/reaction/controller.dart

@@ -0,0 +1,42 @@
+import 'package:PiliPlus/http/dynamics.dart';
+import 'package:PiliPlus/http/loading_state.dart';
+import 'package:PiliPlus/models_new/dynamic/dyn_reaction/data.dart';
+import 'package:PiliPlus/models_new/dynamic/dyn_reaction/item.dart';
+import 'package:PiliPlus/pages/common/common_list_controller.dart';
+import 'package:get/get.dart';
+
+class DynReactController
+    extends CommonListController<DynReactionData, DynReactionItem> {
+  DynReactController(this.id, {int count = -1}) : count = RxInt(count);
+  final Object id;
+
+  String? _offset;
+  final RxInt count;
+
+  @override
+  List<DynReactionItem>? getDataList(DynReactionData response) {
+    _offset = response.offset;
+    if (response.hasMore != true) {
+      isEnd = true;
+    }
+    return response.items;
+  }
+
+  @override
+  bool customHandleResponse(bool isRefresh, Success<DynReactionData> response) {
+    if (isRefresh) {
+      count.value = response.response.total;
+    }
+    return false;
+  }
+
+  @override
+  Future<LoadingState<DynReactionData>> customGetData() =>
+      DynamicsHttp.dynReaction(id: id, offset: _offset);
+
+  @override
+  Future<void> onRefresh() {
+    _offset = null;
+    return super.onRefresh();
+  }
+}