feat(app): 设置页 UI + Mood/成就/贴纸 BLoC 接入 API + B7 测试扩展

前端改动: - 新建设置页面 (主题切换/关于/隐私政策/用户协议/儿童隐私保护) - SettingsBloc 注册到 MultiRepositoryProvider 全局可访问 - MoodBloc 修复编译错误 + 接入 /diary/stats/mood API - MoodPage 添加错误状态展示和重试按钮 - AchievementBloc + 页面改造接入 /diary/achievements API - StickerBloc + 页面改造接入 /diary/sticker-packs API - TemplateBloc + 页面改造接入 /diary/templates API - ProfilePage 设置入口改为跳转 /settings - 添加 /settings 路由后端改动: - 扩展 mood_stats_service 测试 (连续天数算法/心情计数/边界场景) - 新增 class_service 测试 (班级码生成/唯一性/错误映射) - 新增 achievement_service 测试 (DTO 结构/序列化/map 构建) - 新增 sticker_service 测试 (DTO 序列化/错误处理) - 扩展 dto.rs 测试 (achievement/mood_stats/sticker/template/notification) - 清理 2 个 unused import warning 验证: - cargo check 0 error 0 warning - flutter analyze 0 error
2026-06-01 11:19:43 +08:00
parent 860e9e5d22
commit 8331db63ba
19 changed files with 1749 additions and 326 deletions
--- a/app/lib/features/templates/bloc/template_bloc.dart
+++ b/app/lib/features/templates/bloc/template_bloc.dart
@@ -0,0 +1,135 @@
+// 模板 BLoC — 通过 API 加载模板列表
+
+import 'package:flutter/material.dart';
+import 'package:nuanji_app/data/remote/api_client.dart';
+
+// ===== 模型 =====
+
+/// 日记模板
+class Template {
+  final String id;
+  final String name;
+  final String? description;
+  final String? previewUrl;
+  final Map<String, dynamic>? templateData;
+  final String? category;
+  final bool isFree;
+
+  /// 用于 UI 显示的 emoji（基于 category 推导）
+  String get emoji => switch (category) {
+        '日常' => '☀️',
+        '旅行' => '🗺️',
+        '校园' => '📚',
+        '节日' => '🎄',
+        '创意' => '✨',
+        _ => '📝',
+      };
+
+  const Template({
+    required this.id,
+    required this.name,
+    this.description,
+    this.previewUrl,
+    this.templateData,
+    this.category,
+    this.isFree = true,
+  });
+}
+
+// ===== State =====
+
+/// 模板页面状态
+class TemplateState {
+  final List<Template> templates;
+  final String selectedCategory;
+  final bool isLoading;
+  final String? errorMessage;
+
+  const TemplateState({
+    this.templates = const [],
+    this.selectedCategory = '全部',
+    this.isLoading = false,
+    this.errorMessage,
+  });
+
+  /// 按分类过滤模板
+  List<Template> get filteredTemplates => selectedCategory == '全部'
+      ? templates
+      : templates.where((t) => t.category == selectedCategory).toList();
+
+  /// 所有分类（去重 + 加"全部"）
+  List<String> get categories {
+    final cats = templates
+        .map((t) => t.category)
+        .whereType<String>()
+        .toSet()
+        .toList();
+    return ['全部', ...cats];
+  }
+
+  TemplateState copyWith({
+    List<Template>? templates,
+    String? selectedCategory,
+    bool? isLoading,
+    String? errorMessage,
+  }) =>
+      TemplateState(
+        templates: templates ?? this.templates,
+        selectedCategory: selectedCategory ?? this.selectedCategory,
+        isLoading: isLoading ?? this.isLoading,
+        errorMessage: errorMessage,
+      );
+}
+
+// ===== BLoC =====
+
+/// 模板 BLoC — ChangeNotifier 模式
+class TemplateBloc extends ChangeNotifier {
+  final ApiClient _api;
+  TemplateState _state = const TemplateState();
+  TemplateState get state => _state;
+
+  TemplateBloc({required ApiClient api}) : _api = api;
+
+  /// 加载模板列表
+  void load() {
+    _state = _state.copyWith(isLoading: true);
+    notifyListeners();
+    _fetchTemplates();
+  }
+
+  /// 选择分类
+  void selectCategory(String category) {
+    _state = _state.copyWith(selectedCategory: category);
+    notifyListeners();
+  }
+
+  Future<void> _fetchTemplates() async {
+    try {
+      final response = await _api.get('/diary/templates');
+      final body = response.data as Map<String, dynamic>;
+      final list = body['data'] as List? ?? [];
+
+      final templates = list.map((item) {
+        final m = item as Map<String, dynamic>;
+        return Template(
+          id: m['id'] as String,
+          name: m['name'] as String,
+          description: m['description'] as String?,
+          previewUrl: m['preview_url'] as String?,
+          templateData: m['template_data'] as Map<String, dynamic>?,
+          category: m['category'] as String?,
+          isFree: m['is_free'] as bool? ?? true,
+        );
+      }).toList();
+
+      _state = _state.copyWith(isLoading: false, templates: templates);
+    } catch (e) {
+      _state = _state.copyWith(
+        isLoading: false,
+        errorMessage: '加载模板列表失败',
+      );
+    }
+    notifyListeners();
+  }
+}