refactor: rcmd hot

lib/pages/common/common_controller.dart

@@ -0,0 +1,63 @@
+import 'package:PiliPalaX/http/loading_state.dart';
+import 'package:PiliPalaX/utils/extension.dart';
+import 'package:flutter/cupertino.dart';
+import 'package:get/get.dart';
+
+abstract class CommonController extends GetxController {
+  final ScrollController scrollController = ScrollController();
+
+  int currentPage = 1;
+  bool isLoading = false;
+  Rx<LoadingState> loadingState = LoadingState.loading().obs;
+
+  Future<LoadingState> customGetData();
+
+  List? handleResponse(List currentList, List dataList) {
+    return null;
+  }
+
+  void handleSuccess(List currentList, List dataList) {}
+
+  Future queryData([bool isRefresh = true]) async {
+    if (isLoading) return;
+    isLoading = true;
+    LoadingState response = await customGetData();
+    if (response is Success) {
+      currentPage++;
+      List currentList = loadingState.value is Success
+          ? (loadingState.value as Success).response
+          : [];
+      List? handleList = handleResponse(currentList, response.response);
+      loadingState.value = isRefresh
+          ? handleList != null
+              ? LoadingState.success(handleList)
+              : response
+          : LoadingState.success(currentList + response.response);
+      handleSuccess(currentList, response.response);
+    } else {
+      if (isRefresh) {
+        loadingState.value = response;
+      }
+    }
+    isLoading = false;
+  }
+
+  Future onRefresh() async {
+    currentPage = 1;
+    await queryData();
+  }
+
+  Future onLoadMore() async {
+    await queryData(false);
+  }
+
+  void animateToTop() {
+    scrollController.animToTop();
+  }
+
+  @override
+  void onClose() {
+    scrollController.dispose();
+    super.onClose();
+  }
+}