89 lines
2.8 KiB
Dart
89 lines
2.8 KiB
Dart
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import '../../../core/models/api_response.dart';
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import '../../../core/services/enhanced_api_service.dart';
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import '../models/learning_progress_model.dart';
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/// 学习进度服务
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class LearningProgressService {
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static final LearningProgressService _instance = LearningProgressService._internal();
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factory LearningProgressService() => _instance;
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LearningProgressService._internal();
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final EnhancedApiService _enhancedApiService = EnhancedApiService();
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// 缓存时长配置
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static const Duration _shortCacheDuration = Duration(minutes: 5);
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/// 获取用户学习进度列表
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Future<ApiResponse<List<LearningProgress>>> getUserLearningProgress({
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int page = 1,
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int limit = 20,
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}) async {
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try {
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final response = await _enhancedApiService.get<List<LearningProgress>>(
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'/user/learning-progress',
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queryParameters: {
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'page': page,
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'limit': limit,
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},
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cacheDuration: _shortCacheDuration,
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fromJson: (data) {
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final progressList = data['progress'] as List?;
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print('=== 学习进度数据解析 ===');
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print('progress字段: $progressList');
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print('数据条数: ${progressList?.length ?? 0}');
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if (progressList == null || progressList.isEmpty) {
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// 返回空列表，不使用默认数据
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print('后端返回空数据，显示空状态');
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return [];
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}
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final result = progressList.map((json) => LearningProgress.fromJson(json)).toList();
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print('解析后的数据条数: ${result.length}');
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return result;
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},
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);
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if (response.success && response.data != null) {
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return ApiResponse.success(message: '获取成功', data: response.data!);
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} else {
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// 如果API失败，返回空列表
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return ApiResponse.success(
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message: '获取失败',
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data: [],
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);
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}
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} catch (e) {
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// 出错时返回空列表
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print('获取学习进度异常: $e');
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return ApiResponse.success(
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message: '获取失败',
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data: [],
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);
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}
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}
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/// 获取用户学习统计
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Future<ApiResponse<Map<String, dynamic>>> getUserStats({
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String timeRange = 'all',
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}) async {
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try {
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final response = await _enhancedApiService.get<Map<String, dynamic>>(
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'/user/stats',
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queryParameters: {
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'time_range': timeRange,
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},
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cacheDuration: _shortCacheDuration,
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fromJson: (data) => data,
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);
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if (response.success && response.data != null) {
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return ApiResponse.success(message: '获取成功', data: response.data!);
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} else {
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return ApiResponse.error(message: response.message);
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}
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} catch (e) {
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return ApiResponse.error(message: '获取统计数据失败: $e');
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}
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}
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}
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