105 lines
3.1 KiB
Dart
105 lines
3.1 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/bill.dart';
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import '../models/bill_request.dart';
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final billApiProvider = Provider<BillApi>((ref) => BillApi(ref.watch(dioProvider)));
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class BillApi {
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final Dio _dio;
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BillApi(this._dio);
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/// 账单列表，可选日期区间（yyyy-MM-dd）。
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/// 后端返回裸数组，无分页。
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Future<List<Bill>> getBills({String? startDate, String? endDate}) async {
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try {
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final params = <String, dynamic>{};
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if (startDate != null) params['startDate'] = startDate;
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if (endDate != null) params['endDate'] = endDate;
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final res = await _dio.get('/bills', queryParameters: params);
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return _parseList(res.data).map(Bill.fromJson).toList();
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} on DioException catch (e) {
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throw _unwrap(e);
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}
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}
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/// 账单详情
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Future<Bill> getBill(int id) async {
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try {
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final res = await _dio.get('/bills/$id');
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return Bill.fromJson(_parseObject(res.data));
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} on DioException catch (e) {
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throw _unwrap(e);
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}
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}
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/// 创建账单
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Future<void> createBill(BillRequest bill) async {
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try {
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await _dio.post('/bills', data: bill.toJson());
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} on DioException catch (e) {
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throw _unwrap(e);
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}
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}
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/// 批量创建账单（OCR 直接存储）
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Future<void> createBillsBatch(List<BillRequest> bills) async {
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try {
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await _dio.post('/bills/batch', data: {
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'bills': bills.map((b) => b.toJson()).toList(),
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});
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} on DioException catch (e) {
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throw _unwrap(e);
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}
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}
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/// 更新账单
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///
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/// 注意：后端对 description 为 null 会覆盖成 null，所以必须回传全部字段
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/// （BillRequest.toJson 不含 imageUrl，后端按「null 保留原值」处理，正好保留原图）。
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Future<Bill> updateBill(int id, BillRequest bill) async {
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try {
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final res = await _dio.put('/bills/$id', data: bill.toJson());
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return Bill.fromJson(_parseObject(res.data));
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} on DioException catch (e) {
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throw _unwrap(e);
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}
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}
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/// 删除账单（后端为物理删除，不可恢复）
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Future<void> deleteBill(int id) async {
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try {
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await _dio.delete('/bills/$id');
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} on DioException catch (e) {
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throw _unwrap(e);
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}
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}
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/// 兼容裸数组与 {code,data:[...]} 两种形态
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List<Map<String, dynamic>> _parseList(Object? data) {
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if (data is List) {
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return data.whereType<Map<String, dynamic>>().toList();
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}
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if (data is Map && data['data'] is List) {
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return (data['data'] as List).whereType<Map<String, dynamic>>().toList();
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}
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throw ApiException(-1, '响应格式异常');
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}
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Map<String, dynamic> _parseObject(Object? data) {
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if (data is Map<String, dynamic>) return data;
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if (data is Map && data['data'] is Map) return Map<String, dynamic>.from(data['data'] as Map);
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throw ApiException(-1, '响应格式异常');
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}
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Never _unwrap(DioException e) {
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final err = e.error;
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if (err is ApiException) throw err;
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throw ApiException(-1, '请求失败');
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}
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}
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