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refa: query data (#659)

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Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>
This commit is contained in:
dom
2025-04-10 21:43:01 +08:00
committed by GitHub
parent 99b19e7b03
commit e1b73f4766
128 changed files with 1493 additions and 1987 deletions
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166
lib/pages/rcmd/view.dart
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@@ -49,17 +49,7 @@ class _RcmdPageState extends CommonPageState<RcmdPage, RcmdController>
top: StyleString.cardSpace,
bottom: MediaQuery.paddingOf(context).bottom,
),
sliver: Obx(
() => controller.loadingState.value is Loading ||
controller.loadingState.value is Success
? contentGrid(controller.loadingState.value)
: HttpError(
errMsg: controller.loadingState.value is Error
? (controller.loadingState.value as Error).errMsg
: '没有相关数据',
callback: controller.onReload,
),
),
sliver: Obx(() => _buildBody(controller.loadingState.value)),
),
],
),
@@ -67,81 +57,107 @@ class _RcmdPageState extends CommonPageState<RcmdPage, RcmdController>
);
}
Widget contentGrid(LoadingState loadingState) {
Widget _buildBody(LoadingState<List<dynamic>?> loadingState) {
return switch (loadingState) {
Loading() => _buildSkeleton(),
Success() => loadingState.response?.isNotEmpty == true
? SliverGrid(
gridDelegate: SliverGridDelegateWithExtentAndRatio(
mainAxisSpacing: StyleString.cardSpace,
crossAxisSpacing: StyleString.cardSpace,
maxCrossAxisExtent: Grid.smallCardWidth,
childAspectRatio: StyleString.aspectRatio,
mainAxisExtent: MediaQuery.textScalerOf(context).scale(90),
),
delegate: SliverChildBuilderDelegate(
(BuildContext context, int index) {
if (index == loadingState.response!.length - 1) {
controller.onLoadMore();
}
if (controller.lastRefreshAt != null) {
if (controller.lastRefreshAt == index) {
return GestureDetector(
onTap: () {
controller.animateToTop();
controller.onRefresh();
},
child: Card(
margin: EdgeInsets.zero,
child: Container(
alignment: Alignment.center,
padding: const EdgeInsets.symmetric(horizontal: 10),
child: Text(
'上次看到这里\n点击刷新',
textAlign: TextAlign.center,
style: TextStyle(
color: Theme.of(context)
.colorScheme
.onSurfaceVariant,
),
),
),
),
);
}
int actualIndex = controller.lastRefreshAt == null
? index
: index > controller.lastRefreshAt!
? index - 1
: index;
return VideoCardV(
videoItem: loadingState.response![actualIndex],
onRemove: () {
if (controller.lastRefreshAt != null &&
actualIndex < controller.lastRefreshAt!) {
controller.lastRefreshAt =
controller.lastRefreshAt! - 1;
}
((controller.loadingState.value as Success).response
as List)
.removeAt(actualIndex);
controller.loadingState.refresh();
},
);
} else {
return VideoCardV(
videoItem: loadingState.response![index],
onRemove: () {
((controller.loadingState.value as Success).response
as List)
.removeAt(index);
controller.loadingState.refresh();
},
);
}
},
childCount: controller.lastRefreshAt != null
? loadingState.response!.length + 1
: loadingState.response!.length,
),
)
: HttpError(callback: controller.onReload),
Error() => HttpError(
errMsg: loadingState.errMsg,
callback: controller.onReload,
),
LoadingState() => throw UnimplementedError(),
};
}
Widget _buildSkeleton() {
return SliverGrid(
gridDelegate: SliverGridDelegateWithExtentAndRatio(
// 行间距
mainAxisSpacing: StyleString.cardSpace,
// 列间距
crossAxisSpacing: StyleString.cardSpace,
// 最大宽度
maxCrossAxisExtent: Grid.smallCardWidth,
childAspectRatio: StyleString.aspectRatio,
mainAxisExtent: MediaQuery.textScalerOf(context).scale(90),
),
delegate: SliverChildBuilderDelegate(
(BuildContext context, int index) {
if (loadingState is Success &&
index == loadingState.response.length - 1) {
controller.onLoadMore();
}
if (loadingState is Success) {
if (controller.lastRefreshAt != null) {
if (controller.lastRefreshAt == index) {
return GestureDetector(
onTap: () {
controller.animateToTop();
controller.onRefresh();
},
child: Card(
margin: EdgeInsets.zero,
child: Container(
alignment: Alignment.center,
padding: const EdgeInsets.symmetric(horizontal: 10),
child: Text(
'上次看到这里\n点击刷新',
textAlign: TextAlign.center,
style: TextStyle(
color: Theme.of(context).colorScheme.onSurfaceVariant,
),
),
),
),
);
}
int actualIndex = controller.lastRefreshAt == null
? index
: index > controller.lastRefreshAt!
? index - 1
: index;
return VideoCardV(
videoItem: loadingState.response[actualIndex],
onRemove: () {
if (controller.lastRefreshAt != null &&
actualIndex < controller.lastRefreshAt!) {
controller.lastRefreshAt = controller.lastRefreshAt! - 1;
}
controller.loadingState.value = LoadingState.success(
(loadingState.response as List)..removeAt(actualIndex));
},
);
} else {
return VideoCardV(
videoItem: loadingState.response[index],
onRemove: () {
controller.loadingState.value = LoadingState.success(
(loadingState.response as List)..removeAt(index));
},
);
}
}
(context, index) {
return const VideoCardVSkeleton();
},
childCount: loadingState is Success
? controller.lastRefreshAt != null
? loadingState.response.length + 1
: loadingState.response.length
: 10,
childCount: 10,
),
);
}