embty tile

This commit is contained in:
2023-12-26 20:23:27 +02:00
parent 60d890b24a
commit 09a8774423

View File

@@ -4,32 +4,31 @@ import 'dart:async';
import 'package:http/http.dart' as http; import 'package:http/http.dart' as http;
Future<List<Arrival>> fetchArrivals() async { Future<List<Arrival>> fetchArrivals() async {
final response = await http try {
.get(Uri.parse('http://141.144.238.26:48502/arrivals/all')); final response = await http.get(Uri.parse('http://141.144.238.26:48502/arrivals/all'));
if (response.statusCode == 200) { if (response.statusCode == 200) {
// If the server did return a 200 OK response,
// then parse the JSON.
List<dynamic> data = jsonDecode(response.body); List<dynamic> data = jsonDecode(response.body);
List<Arrival> posts = List<Arrival>.from(data.map((dynamic postJson) { List<Arrival> arrivals = List<Arrival>.from(data.map((dynamic arrivalJson) {
return Arrival.fromJson(postJson); return Arrival.fromJson(arrivalJson);
})); }));
return arrivals;
} else { } else {
// If the server did not return a 200 OK response,
// then throw an exception.
throw Exception('Failed to load Arrival'); throw Exception('Failed to load Arrival');
} }
} catch (error) {
throw Exception("API Unavailable"); throw Exception('Failed to fetch data: $error');
}
} }
class Arrival { class Arrival {
final String timeOfDay; final String timeOfDay;
final int weekDay; final int weekDay;
final int tramLine; final int tramLine;
final bool direction; final bool direction;
const Arrival({ Arrival({
required this.timeOfDay, required this.timeOfDay,
required this.weekDay, required this.weekDay,
required this.tramLine, required this.tramLine,
@@ -37,21 +36,12 @@ class Arrival {
}); });
factory Arrival.fromJson(Map<String, dynamic> json) { factory Arrival.fromJson(Map<String, dynamic> json) {
return switch (json) { return Arrival(
{ timeOfDay: json['time_of_day'] as String,
'time_of_day': String jsonTime, weekDay: json['week_day'] as int,
'week_day': int jsonDay, tramLine: json['tram_line'] as int,
'tram_line': int jsonTramLine, direction: json['direction'] as bool,
'direction': bool jsonDirec, );
} =>
Arrival(
// Class : json declaration
timeOfDay: jsonTime,
weekDay: jsonDay,
tramLine: jsonTramLine,
direction: jsonDirec,
),
_ => throw const FormatException('Failed to load Arrival.'),
};
} }
} }