41 lines
1.2 KiB
Dart
41 lines
1.2 KiB
Dart
import 'dart:convert';
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import 'dart:developer';
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import 'package:dio/dio.dart';
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abstract class DataLoader<TResult> {
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final Dio dio;
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DataLoader(this.dio) {
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dio.options.connectTimeout = const Duration(seconds: 10);
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dio.options.sendTimeout = const Duration(seconds: 30);
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dio.options.receiveTimeout = const Duration(seconds: 30);
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}
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Future<TResult> run() async {
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final response = await fetch();
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try {
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return assemble(DataLoaderResult(
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json: jsonDecode(response.data!),
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headers: response.headers.map.map((key, value) => MapEntry(key, value.join(';'))),
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));
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} catch (e, stack) {
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log('DataLoader assemble failed', error: e, stackTrace: stack);
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rethrow;
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}
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}
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Future<Response<String>> fetch();
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TResult assemble(DataLoaderResult data);
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}
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class DataLoaderResult {
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final dynamic json;
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final Map<String, String> headers;
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Map<String, dynamic> asMap() => json as Map<String, dynamic>;
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List<dynamic> asList() => json as List<dynamic>;
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List<Map<String, dynamic>> asListOfMaps() => asList().map((e) => e as Map<String, dynamic>).toList();
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DataLoaderResult({required this.json, required this.headers});
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}
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