39 lines
1.2 KiB
Dart
39 lines
1.2 KiB
Dart
import 'package:http/http.dart' as http;
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import 'dart:convert';
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import '../model/flood_station.dart';
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import '../model/reading.dart';
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class Api {
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static const String _rootUrl =
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'https://environment.data.gov.uk/flood-monitoring';
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static Future<List<FloodStation>> fetchStations() async {
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List<FloodStation> stations = [];
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final response = await http.get(Uri.parse('$_rootUrl/id/stations'));
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if (response.statusCode == 200) {
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final Map<String, dynamic> jsonStr = jsonDecode(response.body);
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for (final str in jsonStr['items']) {
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stations.add(FloodStation.fromMap(str));
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}
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}
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return stations;
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}
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static Future<List<Reading>> fetchReadingsFromStation(
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String stationId) async {
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List<Reading> readings = [];
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final dateTime = DateTime.now().subtract(Duration(days: 1));
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final url =
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'$_rootUrl/id/stations/$stationId/readings?since=${dateTime.toIso8601String()}Z&_sorted';
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final response = await http.get(Uri.parse(url));
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if (response.statusCode == 200) {
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final Map<String, dynamic> jsonStr = jsonDecode(response.body);
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for (final str in jsonStr['items']) {
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readings.add(Reading.fromMap(str));
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}
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}
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return readings.reversed.toList();
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}
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}
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