mod: restore video duration

Closes #293

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

lib/pages/video/detail/controller.dart

@@ -1026,7 +1026,7 @@ class VideoDetailController extends GetxController
 
   bool isQuerying = false;
   // 视频链接
-  Future queryVideoUrl() async {
+  Future queryVideoUrl([Duration? defaultST]) async {
     if (isQuerying) {
       return;
     }
@@ -1069,7 +1069,7 @@ class VideoDetailController extends GetxController
       if (data.dash == null && data.durl != null) {
         videoUrl = data.durl!.first.url!;
         audioUrl = '';
-        defaultST = Duration.zero;
+        this.defaultST = defaultST ?? Duration.zero;
         // 实际为FLV/MP4格式，但已被淘汰，这里仅做兜底处理
         firstVideo = VideoItem(
             id: data.quality!,
@@ -1187,7 +1187,7 @@ class VideoDetailController extends GetxController
         audioUrl = '';
       }
       //
-      defaultST = Duration(milliseconds: data.lastPlayTime!);
+      this.defaultST = defaultST ?? Duration(milliseconds: data.lastPlayTime!);
       if (autoPlay.value) {
         isShowCover.value = false;
         await playerInit();

lib/pages/video/detail/widgets/header_control.dart

@@ -184,8 +184,12 @@ class _HeaderControlState extends State<HeaderControl> {
                       ),
                       ListTile(
                         dense: true,
-                        onTap: () =>
-                            {Get.back(), widget.videoDetailCtr.queryVideoUrl()},
+                        onTap: () => {
+                          Get.back(),
+                          widget.videoDetailCtr.queryVideoUrl(
+                            widget.videoDetailCtr.playedTime,
+                          )
+                        },
                         leading: const Icon(Icons.refresh_outlined, size: 20),
                         title: const Text('重载视频', style: titleStyle),
                       ),
@@ -288,7 +292,9 @@ class _HeaderControlState extends State<HeaderControl> {
                             SmartDialog.showToast(
                                 '已设置为 ${CDNServiceCode.fromCode(result)!.description}，正在重载视频');
                             setState(() {});
-                            widget.videoDetailCtr.queryVideoUrl();
+                            widget.videoDetailCtr.queryVideoUrl(
+                              widget.videoDetailCtr.playedTime,
+                            );
                           }
                         },
                       ),