workouttest_app/lib/service/api.dart
2020-12-08 17:05:55 +01:00

89 lines
3.1 KiB
Dart

import 'dart:convert';
import 'package:aitrainer_app/util/common.dart';
import 'package:aitrainer_app/util/not_found_exception.dart';
import 'package:http/http.dart' as http;
import 'package:aitrainer_app/model/cache.dart';
class APIClient with Common {
Future<String> get(String endPoint, String param) async {
final url = Cache.getBaseUrl() + endPoint + param;
print("-------- API get " + url);
String authToken = Cache().getAuthToken();
if (authToken.length == 0) {
var responseJson = await APIClient.authenticateUser(Cache.username, Cache.password);
authToken = responseJson['token'];
}
final response = await http.get(url, headers: {'Content-Type': 'application/json', 'Authorization': "Bearer " + authToken});
print(" ------------get response code: " + response.statusCode.toString());
if (response.statusCode == 200) {
return utf8.decode(response.bodyBytes);
} else if (response.statusCode == 404) {
throw NotFoundException(message: "Not Found");
} else {
throw Exception("Network Error, please try again later");
}
}
Future<String> post(String endPoint, String body) async {
final url = Cache.getBaseUrl() + endPoint;
print(" ------------ http/post endpoint $endPoint body $body - url: $url ");
String authToken = Cache().getAuthToken();
if (authToken.length == 0) {
var responseJson = await APIClient.authenticateUser(Cache.username, Cache.password);
authToken = responseJson['token'];
}
final response = await http.post(
url,
headers: {'Content-Type': 'application/json; charset=UTF-8', 'Authorization': "Bearer " + authToken},
body: body,
);
print(" ------------post response code: " + response.statusCode.toString());
final String decodedResponse = utf8convert(response.body);
print(" ------------ response: $decodedResponse");
return decodedResponse;
}
static dynamic authenticateUser(String email, String password) async {
var uri = Cache.getBaseUrl() + "authenticate";
try {
final body = '{"username":"$email", "password":"$password"}';
print("authentication with $email");
final response = await http.post(uri, headers: {'Authorization': '1', 'Content-Type': 'application/json'}, body: body);
final responseCode = response.statusCode;
if (responseCode != 200) {
return {
"error": "Authentication error, total failure",
};
}
final responseJson = json.decode(response.body);
return responseJson;
} catch (exception) {
return {"error": "Network error, try again later " + exception.toString()};
}
}
static fetch(var authToken, var endPoint) async {
var uri = Cache.getBaseUrl() + endPoint;
try {
final response = await http.get(
uri,
headers: {'Authorization': authToken},
);
final responseJson = json.decode(response.body);
return responseJson;
} catch (exception) {
print(exception);
if (exception.toString().contains('SocketException')) {
return 'NetworkError';
} else {
return null;
}
}
}
}