57 lines
1.9 KiB
Dart
57 lines
1.9 KiB
Dart
import 'package:dio/dio.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../core/network/api_exception.dart';
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import '../core/network/dio_client.dart';
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import '../models/statistics_response.dart';
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final statisticsApiProvider =
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Provider<StatisticsApi>((ref) => StatisticsApi(ref.watch(dioProvider)));
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/// 统计接口。
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///
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/// 注意后端三个接口实际都委托给同一段按日聚合逻辑，区别只在参数：
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/// daily 传日期区间，weekly 传周一，monthly 传年月。
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class StatisticsApi {
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final Dio _dio;
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StatisticsApi(this._dio);
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/// 按日期区间统计（yyyy-MM-dd）
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Future<StatisticsResponse> getDaily({
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required String startDate,
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required String endDate,
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}) async {
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return _request('/statistics/daily', {
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'startDate': startDate,
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'endDate': endDate,
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});
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}
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/// 按周统计，weekStart 为本周一（后端自行算到周内其余日期）
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Future<StatisticsResponse> getWeekly({required String weekStart}) async {
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return _request('/statistics/weekly', {'weekStart': weekStart});
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}
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/// 按月统计
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Future<StatisticsResponse> getMonthly({required int year, required int month}) async {
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return _request('/statistics/monthly', {'year': year, 'month': month});
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}
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Future<StatisticsResponse> _request(String path, Map<String, dynamic> params) async {
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try {
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final res = await _dio.get(path, queryParameters: params);
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final data = res.data;
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if (data is Map<String, dynamic>) return StatisticsResponse.fromJson(data);
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if (data is Map && data['data'] is Map) {
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return StatisticsResponse.fromJson(Map<String, dynamic>.from(data['data'] as Map));
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}
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// 空响应（无数据）按空统计处理，不视为错误
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return StatisticsResponse.empty;
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} on DioException catch (e) {
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final err = e.error;
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throw err is ApiException ? err : ApiException(-1, '统计加载失败');
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}
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}
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}
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