feat: 稍后再看添加/清除已看

lib/pages/later/controller.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 import 'package:get/get.dart';
 import 'package:pilipala/http/user.dart';
 import 'package:pilipala/models/model_hot_video_item.dart';
@@ -16,4 +17,34 @@ class LaterController extends GetxController {
     }
     return res;
   }
+
+  Future toViewDel() async {
+    SmartDialog.show(
+      useSystem: true,
+      animationType: SmartAnimationType.centerFade_otherSlide,
+      builder: (BuildContext context) {
+        return AlertDialog(
+          title: const Text('提示'),
+          content: const Text('即将删除所有已观看视频，此操作不可恢复。确定是否删除？'),
+          actions: [
+            TextButton(
+                onPressed: () => SmartDialog.dismiss(),
+                child: const Text('取消')),
+            TextButton(
+              onPressed: () async {
+                var res = await UserHttp.toViewDel();
+                if (res['status']) {
+                  laterList.clear();
+                  queryLaterList();
+                }
+                SmartDialog.dismiss();
+                SmartDialog.showToast(res['msg']);
+              },
+              child: const Text('确认删除'),
+            )
+          ],
+        );
+      },
+    );
+  }
 }