opt: multiSelect (#935)

lib/pages/history/controller.dart

@@ -1,3 +1,4 @@
+import 'package:PiliPlus/common/widgets/dialog/dialog.dart';
 import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/http/user.dart';
 import 'package:PiliPlus/models_new/history/data.dart';
@@ -26,6 +27,12 @@ class HistoryController
   int? max;
   int? viewAt;
 
+  @override
+  RxInt get rxCount => baseCtr.checkedCount;
+
+  @override
+  RxBool get enableMultiSelect => baseCtr.enableMultiSelect;
+
   @override
   void onInit() {
     super.onInit();
@@ -40,36 +47,6 @@ class HistoryController
     return super.onRefresh();
   }
 
-  @override
-  void onSelect(HistoryItemModel item, [bool disableSelect = true]) {
-    List<HistoryItemModel> list = loadingState.value.data!;
-    item.checked = !(item.checked ?? false);
-    baseCtr.checkedCount.value = list
-        .where((item) => item.checked == true)
-        .length;
-    loadingState.refresh();
-    if (baseCtr.checkedCount.value == 0) {
-      baseCtr.enableMultiSelect.value = false;
-    }
-  }
-
-  @override
-  void handleSelect([bool checked = false, bool disableSelect = true]) {
-    if (loadingState.value.isSuccess) {
-      List<HistoryItemModel>? list = loadingState.value.data;
-      if (list?.isNotEmpty == true) {
-        for (HistoryItemModel item in list!) {
-          item.checked = checked;
-        }
-        baseCtr.checkedCount.value = checked ? list.length : 0;
-        loadingState.refresh();
-      }
-    }
-    if (!checked) {
-      baseCtr.enableMultiSelect.value = false;
-    }
-  }
-
   @override
   List<HistoryItemModel>? getDataList(HistoryData response) {
     return response.list;
@@ -108,82 +85,43 @@ class HistoryController
 
   // 删除某条历史记录
   void delHistory(HistoryItemModel item) {
-    _onDelete([item]);
+    _onDelete({item});
   }
 
   // 删除已看历史记录
   void onDelHistory() {
     if (loadingState.value.isSuccess) {
-      List<HistoryItemModel> list = loadingState.value.data!
+      final set = loadingState.value.data!
           .where((e) => e.progress == -1)
-          .toList();
-      if (list.isNotEmpty) {
-        _onDelete(list);
+          .toSet();
+      if (set.isNotEmpty) {
+        _onDelete(set);
       } else {
         SmartDialog.showToast('无已看记录');
       }
     }
   }
 
-  Future<void> _onDelete(List<HistoryItemModel> result) async {
+  Future<void> _onDelete(Set<HistoryItemModel> result) async {
     SmartDialog.showLoading(msg: '请求中');
-    List<String> kidList = result.map((item) {
-      return '${item.history.business}_${item.kid}';
-    }).toList();
-    var response = await UserHttp.delHistory(kidList);
+    final response = await UserHttp.delHistory(
+      result.map((item) => '${item.history.business}_${item.kid}'),
+    );
     if (response['status']) {
-      List<HistoryItemModel> remainList = loadingState.value.data!
-          .toSet()
-          .difference(result.toSet())
-          .toList();
-      if (remainList.isNotEmpty) {
-        loadingState.value = Success(remainList);
-      } else {
-        onReload();
-      }
-      if (baseCtr.enableMultiSelect.value) {
-        baseCtr.checkedCount.value = 0;
-        baseCtr.enableMultiSelect.value = false;
-      }
+      afterDelete(result);
     }
     SmartDialog.dismiss();
     SmartDialog.showToast(response['msg']);
   }
 
   // 删除选中的记录
-  void onDelCheckedHistory(BuildContext context) {
-    showDialog(
-      context: context,
-      builder: (context) {
-        return AlertDialog(
-          title: const Text('提示'),
-          content: const Text('确认删除所选历史记录吗？'),
-          actions: [
-            TextButton(
-              onPressed: Get.back,
-              child: Text(
-                '取消',
-                style: TextStyle(
-                  color: Theme.of(context).colorScheme.outline,
-                ),
-              ),
-            ),
-            TextButton(
-              onPressed: () {
-                Get.back();
-                if (loadingState.value.isSuccess) {
-                  _onDelete(
-                    loadingState.value.data!
-                        .where((e) => e.checked == true)
-                        .toList(),
-                  );
-                }
-              },
-              child: const Text('确认'),
-            ),
-          ],
-        );
-      },
+  @override
+  void onConfirm() {
+    showConfirmDialog(
+      context: Get.context!,
+      content: '确认删除所选历史记录吗？',
+      title: '提示',
+      onConfirm: () => _onDelete(allChecked.toSet()),
     );
   }