60 lines
1.8 KiB
Dart
60 lines
1.8 KiB
Dart
import 'dart:async';
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import 'dart:convert';
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import 'dart:io';
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import 'package:http/http.dart' as http;
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import 'package:jiffy/jiffy.dart';
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import '../apiRequest.dart';
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import '../errors/network_exception.dart';
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import '../errors/parse_exception.dart';
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import '../errors/server_exception.dart';
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abstract class MhslApi<T> extends ApiRequest {
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String subpath;
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MhslApi(this.subpath);
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http.Response? response;
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Future<http.Response>? request(Uri uri);
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T assemble(String raw);
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Future<T> run() async {
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final endpoint = Uri.parse('https://mhsl.eu/marianum/marianummobile/$subpath');
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final http.Response data;
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try {
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final raw = await request(endpoint);
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if (raw == null) {
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throw const NetworkException(
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userMessage: 'Keine Antwort vom MHSL-Dienst erhalten.',
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technicalDetails: 'mhsl request returned null',
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);
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}
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data = raw;
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} on SocketException catch (e) {
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throw NetworkException(technicalDetails: 'mhsl $subpath: ${e.message}');
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} on TimeoutException catch (e) {
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throw NetworkException.timeout(technicalDetails: 'mhsl $subpath: $e');
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} on http.ClientException catch (e) {
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throw NetworkException(technicalDetails: 'mhsl $subpath: ${e.message}');
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}
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if (data.statusCode > 299) {
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throw ServerException(
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statusCode: data.statusCode,
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technicalDetails: 'mhsl $subpath HTTP ${data.statusCode}',
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);
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}
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try {
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return assemble(utf8.decode(data.bodyBytes));
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} catch (e) {
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throw ParseException(technicalDetails: 'mhsl $subpath assemble: $e');
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}
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}
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static String dateTimeToJson(DateTime time) => Jiffy.parseFromDateTime(time).format(pattern: 'yyyy-MM-dd HH:mm:ss');
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static DateTime dateTimeFromJson(String time) => DateTime.parse(time);
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}
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