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2026-09-07 10:11:36 +08:00
parent 47a06af0d4
commit b8dd969cb1
33 changed files with 3247 additions and 173 deletions
@@ -0,0 +1,197 @@
+import 'package:flutter/material.dart';
+
+import 'annotate_api.dart';
+import 'annotator_screen.dart';
+
+String _fmt(DateTime t) {
+  String p(int n) => n.toString().padLeft(2, '0');
+  return '${t.month}/${t.day} ${p(t.hour)}:${p(t.minute)}';
+}
+
+/// 标注赚时长首页：我的统计（进度/今日已得/冻结态）+ 可领任务列表。
+/// 领取后进入标注器逐张画框提交，提交满 [AnnotateStats.rewardPerImages] 张自动到账时长。
+class AnnotateTasksScreen extends StatefulWidget {
+  final AnnotateApi api;
+
+  const AnnotateTasksScreen({super.key, required this.api});
+
+  @override
+  State<AnnotateTasksScreen> createState() => _AnnotateTasksScreenState();
+}
+
+class _AnnotateTasksScreenState extends State<AnnotateTasksScreen> {
+  late Future<(List<AnnotateTaskInfo>, AnnotateStats)> _future;
+  bool _claiming = false;
+
+  @override
+  void initState() {
+    super.initState();
+    _future = widget.api.tasks();
+  }
+
+  void _reload() {
+    setState(() => _future = widget.api.tasks());
+  }
+
+  Future<void> _claim(AnnotateTaskInfo task) async {
+    if (_claiming) return;
+    setState(() => _claiming = true);
+    try {
+      final images = await widget.api.claim(task.id);
+      if (!mounted) return;
+      if (images.isEmpty) {
+        ScaffoldMessenger.of(context).showSnackBar(
+            const SnackBar(content: Text('任务池暂时没有可领取的图片，稍后再来')));
+        _reload();
+        return;
+      }
+      final earned = await Navigator.of(context).push<bool>(MaterialPageRoute(
+        builder: (_) => AnnotatorScreen(api: widget.api, task: task, images: images),
+      ));
+      if (earned == true) _reload(); // 本批有提交：回列表刷新进度/奖励
+    } on SessionExpiredException {
+      if (mounted) _sessionExpired();
+    } catch (e) {
+      if (mounted) {
+        ScaffoldMessenger.of(context)
+            .showSnackBar(SnackBar(content: Text('$e'.replaceFirst('Exception: ', ''))));
+      }
+    } finally {
+      if (mounted) setState(() => _claiming = false);
+    }
+  }
+
+  void _sessionExpired() {
+    ScaffoldMessenger.of(context)
+        .showSnackBar(const SnackBar(content: Text('登录已失效，请重新登录')));
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: const Text('标注赚时长')),
+      body: FutureBuilder<(List<AnnotateTaskInfo>, AnnotateStats)>(
+        future: _future,
+        builder: (context, snap) {
+          if (snap.connectionState != ConnectionState.done) {
+            return const Center(child: CircularProgressIndicator());
+          }
+          if (snap.hasError) {
+            return Center(
+              child: Column(
+                mainAxisSize: MainAxisSize.min,
+                children: [
+                  Text('加载失败：${snap.error}'.replaceFirst('Exception: ', '')),
+                  const SizedBox(height: 12),
+                  FilledButton(onPressed: _reload, child: const Text('重试')),
+                ],
+              ),
+            );
+          }
+          final (tasks, stats) = snap.data!;
+          return RefreshIndicator(
+            onRefresh: () async => _reload(),
+            child: ListView(
+              physics: const AlwaysScrollableScrollPhysics(),
+              padding: const EdgeInsets.all(16),
+              children: [
+                _StatsCard(stats: stats),
+                const SizedBox(height: 16),
+                Text('可领任务', style: Theme.of(context).textTheme.titleMedium),
+                const SizedBox(height: 8),
+                if (tasks.isEmpty)
+                  const Padding(
+                    padding: EdgeInsets.symmetric(vertical: 32),
+                    child: Center(child: Text('暂无可领任务，敬请期待')),
+                  )
+                else
+                  ...tasks.map((t) => Card(
+                        margin: const EdgeInsets.only(bottom: 10),
+                        child: ListTile(
+                          title: Text(t.name,
+                              style: const TextStyle(fontWeight: FontWeight.w600)),
+                          subtitle: Text(
+                              '物种：${t.species.isEmpty ? t.datasetName : t.species} · 池余量 ${t.poolRemain} 张'),
+                          trailing: FilledButton(
+                            onPressed: _claiming || stats.frozen || t.poolRemain <= 0
+                                ? null
+                                : () => _claim(t),
+                            child: const Text('领取'),
+                          ),
+                        ),
+                      )),
+              ],
+            ),
+          );
+        },
+      ),
+    );
+  }
+}
+
+class _StatsCard extends StatelessWidget {
+  final AnnotateStats stats;
+
+  const _StatsCard({required this.stats});
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    return Card(
+      child: Padding(
+        padding: const EdgeInsets.all(16),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Row(
+              children: [
+                Icon(Icons.emoji_events,
+                    color: Colors.amber.shade700, size: 28),
+                const SizedBox(width: 8),
+                Text('标 ${stats.rewardPerImages} 张得 ${stats.rewardMinutes} 分钟',
+                    style: theme.textTheme.titleMedium
+                        ?.copyWith(fontWeight: FontWeight.w600)),
+              ],
+            ),
+            const SizedBox(height: 12),
+            LinearProgressIndicator(
+              value: stats.rewardPerImages <= 0
+                  ? 0
+                  : (stats.progressDone % stats.rewardPerImages) /
+                      stats.rewardPerImages,
+            ),
+            const SizedBox(height: 6),
+            Text(
+              '本档进度 ${stats.progressDone}/${stats.rewardPerImages} · 今日已得 ${stats.todayEarnedMinutes}/${stats.dailyCapMinutes} 分钟 · 累计 ${stats.totalEarnedMinutes} 分钟',
+              style: theme.textTheme.bodySmall?.copyWith(color: Colors.grey.shade600),
+            ),
+            Text(
+              '通过 ${stats.approved} / 拒绝 ${stats.rejected}（通过率 ${(stats.approveRatio * 100).toStringAsFixed(0)}%）',
+              style: theme.textTheme.bodySmall?.copyWith(color: Colors.grey.shade600),
+            ),
+            if (stats.frozen) ...[
+              const SizedBox(height: 8),
+              Container(
+                padding: const EdgeInsets.all(10),
+                decoration: BoxDecoration(
+                  color: Colors.red.shade50,
+                  borderRadius: BorderRadius.circular(8),
+                ),
+                child: Row(children: [
+                  const Icon(Icons.block, color: Colors.red, size: 20),
+                  const SizedBox(width: 8),
+                  Expanded(
+                    child: Text(
+                      '标注质量未达标，资格冻结中（${_fmt(stats.frozenUntil!)} 解冻）',
+                      style: const TextStyle(color: Colors.red, fontSize: 13),
+                    ),
+                  ),
+                ]),
+              ),
+            ],
+          ],
+        ),
+      ),
+    );
+  }
+}