35 lines
1.1 KiB
Dart
35 lines
1.1 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/category.dart';
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final categoryApiProvider = Provider<CategoryApi>((ref) => CategoryApi(ref.watch(dioProvider)));
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class CategoryApi {
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final Dio _dio;
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CategoryApi(this._dio);
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/// 获取分类列表，type: 1=支出 2=收入（后端可能返回裸数组或 {code,data}）
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Future<List<Category>> getCategories(int type) async {
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try {
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final res = await _dio.get('/categories', queryParameters: {'type': type});
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return _parseList(res.data)
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.whereType<Map<String, dynamic>>()
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.map(Category.fromJson)
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.toList();
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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, '请求失败');
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}
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}
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List<dynamic> _parseList(Object? data) {
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if (data is List) return data;
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if (data is Map && data['data'] is List) return data['data'] as List;
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throw ApiException(-1, '分类响应格式异常');
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}
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}
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