初始化

2026-09-15 15:44:13 +07:00
commit a23ba685e9
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+import 'package:flutter/material.dart';
+import 'package:hgdj/config/config.dart';
+import 'package:hgdj/hj_model/home/update_marker_model.dart';
+import 'package:hgdj/hj_utils/api_service/common_service.dart';
+import 'package:hgdj/hj_utils/light_model.dart';
+import 'package:hgdj/hj_utils/store_keys.dart';
+import 'package:hgdj/tools_base/debug_log.dart';
+import 'package:hgdj/tools_base/global_store/store.dart';
+
+/// 首页「最新 / 今日最新」等内容更新红点
+class HomeUpdateMarkerProvider with ChangeNotifier {
+  static final HomeUpdateMarkerProvider _instance =
+      HomeUpdateMarkerProvider._();
+  HomeUpdateMarkerProvider._();
+  factory HomeUpdateMarkerProvider() => _instance;
+
+  HomeUpdateMarkersResp? _markers;
+  String? _lastViewHomeLatestAt;
+  String? _lastViewTodayLatestAt;
+  final Map<String, String> _lastViewModuleAt = {};
+
+  bool get showHomeLatestDot =>
+      _isNewer(_markers?.homeLatestAt, _lastViewHomeLatestAt);
+
+  bool get showTodayLatestDot =>
+      _isNewer(_markers?.todayLatestAt, _lastViewTodayLatestAt);
+
+  bool showModuleDot(String? moduleId) {
+    if (moduleId == null || moduleId.isEmpty) return false;
+    return _isNewer(_latestAtOf(moduleId), _lastViewModuleAt[moduleId]);
+  }
+
+  /// 热门短剧专题 Tab：仅对 `dramaPage` 里的模块判断未读
+  bool showDramaTopicDot(String? topicId) {
+    if (!_isDramaPageModule(topicId)) return false;
+    return showModuleDot(topicId);
+  }
+
+  String? _latestAtOf(String moduleId) {
+    for (final m in _markers?.modules ?? const <HomeModuleUpdateMarker>[]) {
+      if (m.moduleId == moduleId) return m.latestAt;
+    }
+    return null;
+  }
+
+  bool _isDramaPageModule(String? id) {
+    if (id == null || id.isEmpty) return false;
+    return Config.plateModule?.dramaPage.any((e) => e.id == id) == true;
+  }
+
+  /// 拉取标记并与本地最后查看时间对比
+  Future<void> loadData() async {
+    try {
+      final resp = await CommonService.fetchUpdateMarkers();
+      if (resp != null) {
+        _markers = resp;
+      }
+      await _loadLocalLastViewed();
+      notifyListeners();
+    } catch (e) {
+      debugLog('HomeUpdateMarkerProvider.loadData error: $e');
+    }
+  }
+
+  Future<void> markHomeLatestViewed() async {
+    final at = _markers?.homeLatestAt;
+    if (at == null || at.isEmpty) return;
+    if (_lastViewHomeLatestAt == at) return;
+    _lastViewHomeLatestAt = at;
+    await lightKV.setString(StoreKeys.HOME_LATEST_LAST_VIEW_AT, at);
+    notifyListeners();
+  }
+
+  Future<void> markTodayLatestViewed() async {
+    final at = _markers?.todayLatestAt;
+    if (at == null || at.isEmpty) return;
+    if (_lastViewTodayLatestAt == at) return;
+    _lastViewTodayLatestAt = at;
+    await lightKV.setString(StoreKeys.HOME_TODAY_LATEST_LAST_VIEW_AT, at);
+    notifyListeners();
+  }
+
+  Future<void> markModuleViewed(String? moduleId) async {
+    if (moduleId == null || moduleId.isEmpty) return;
+    final latest = _latestAtOf(moduleId);
+    if (latest == null || latest.isEmpty) return;
+    if (_lastViewModuleAt[moduleId] == latest) return;
+    _lastViewModuleAt[moduleId] = latest;
+    await lightKV.setString(_moduleViewKey(moduleId), latest);
+    notifyListeners();
+  }
+
+  /// 8×8 红点，与消息中心一致
+  static Widget buildRedDot({bool visible = true}) {
+    if (!visible) return const SizedBox.shrink();
+    return Container(
+      width: 8,
+      height: 8,
+      decoration: const BoxDecoration(
+        color: Color(0xfff74f49),
+        shape: BoxShape.circle,
+      ),
+    );
+  }
+
+  Future<void> _loadLocalLastViewed() async {
+    _lastViewHomeLatestAt =
+        await lightKV.getString(StoreKeys.HOME_LATEST_LAST_VIEW_AT);
+    _lastViewTodayLatestAt =
+        await lightKV.getString(StoreKeys.HOME_TODAY_LATEST_LAST_VIEW_AT);
+    _lastViewModuleAt.clear();
+    for (final m in _markers?.modules ?? const <HomeModuleUpdateMarker>[]) {
+      final id = m.moduleId;
+      if (id == null || id.isEmpty) continue;
+      final v = await lightKV.getString(_moduleViewKey(id));
+      if (v != null && v.isNotEmpty) {
+        _lastViewModuleAt[id] = v;
+      }
+    }
+  }
+
+  String _moduleViewKey(String moduleId) {
+    final uid = globalStore.meInfo?.uid ?? 0;
+    return '${StoreKeys.HOME_MODULE_LAST_VIEW_AT_PREFIX}${uid}_$moduleId';
+  }
+
+  /// 服务端最新时间晚于本地已查看时间则显示红点；本地为空且服务端有值也显示
+  static bool _isNewer(String? serverAt, String? localAt) {
+    if (serverAt == null || serverAt.isEmpty) return false;
+    if (localAt == null || localAt.isEmpty) return true;
+    final server = DateTime.tryParse(serverAt);
+    final local = DateTime.tryParse(localAt);
+    if (server == null || local == null) {
+      return serverAt != localAt;
+    }
+    return server.isAfter(local);
+  }
+}