55 lines
1.6 KiB
Dart
55 lines
1.6 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/account.dart';
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final accountApiProvider = Provider<AccountApi>((ref) => AccountApi(ref.watch(dioProvider)));
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/// 账户接口（后端每个用户只有一个默认账户）
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class AccountApi {
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final Dio _dio;
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AccountApi(this._dio);
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/// 账户信息：余额、总收入、总支出（收支为全部账单汇总，只读）
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Future<AccountInfo> getAccount() async {
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try {
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final res = await _dio.get('/accounts');
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return AccountInfo.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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/// 更新余额。
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///
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/// 注意：后端这个接口写入的是**期初余额**，传入前需用
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/// `initialBalanceFor()` 把目标余额换算成期初余额。
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Future<AccountInfo> updateBalance(double initialBalance) async {
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try {
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final res = await _dio.put('/accounts/balance', data: {
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'initialBalance': initialBalance,
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});
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return AccountInfo.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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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) {
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return Map<String, dynamic>.from(data['data'] as Map);
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}
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throw ApiException(-1, '账户响应格式异常');
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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, '账户操作失败');
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}
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}
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