Created
March 4, 2022 11:52
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import 'dart:io'; | |
import 'package:flutter/foundation.dart'; | |
import 'package:dio/dio.dart'; | |
import 'package:get/get_state_manager/src/rx_flutter/rx_disposable.dart'; | |
enum Method { POST, GET, PUT, DELETE, PATCH } | |
const BASE_URL = "https://hris.sslwireless.com/api/v1/"; | |
class RestClient extends GetxService { | |
late Dio _dio; | |
//this is for header | |
static header() => { | |
'Content-Type': 'application/json', | |
}; | |
Future<RestClient> init() async { | |
_dio = Dio(BaseOptions(baseUrl: BASE_URL, headers: header())); | |
initInterceptors(); | |
return this; | |
} | |
void initInterceptors() { | |
_dio.interceptors.add(InterceptorsWrapper(onRequest: (options, handler) { | |
print('REQUEST[${options.method}] => PATH: ${options.path} ' | |
'=> Request Values: ${options.queryParameters}, => HEADERS: ${options.headers}'); | |
return handler.next(options); | |
}, onResponse: (response, handler) { | |
print('RESPONSE[${response.statusCode}] => DATA: ${response.data}'); | |
return handler.next(response); | |
}, onError: (err, handler) { | |
print('ERROR[${err.response?.statusCode}]'); | |
return handler.next(err); | |
})); | |
} | |
Future<dynamic> request( | |
String url, Method method, Map<String, dynamic>? params) async { | |
Response response; | |
try { | |
if (method == Method.POST) { | |
response = await _dio.post(url, data: params); | |
} else if (method == Method.DELETE) { | |
response = await _dio.delete(url); | |
} else if (method == Method.PATCH) { | |
response = await _dio.patch(url); | |
} else { | |
response = await _dio.get( | |
url, | |
queryParameters: params, | |
); | |
} | |
if (response.statusCode == 200) { | |
return response; | |
} else if (response.statusCode == 401) { | |
throw Exception("Unauthorized"); | |
} else if (response.statusCode == 500) { | |
throw Exception("Server Error"); | |
} else { | |
throw Exception("Something Went Wrong"); | |
} | |
} on SocketException catch(e) { | |
throw Exception("No Internet Connection"); | |
} on FormatException { | |
throw Exception("Bad Response Format!"); | |
} on DioError catch (e){ | |
throw Exception(e); | |
} catch (e) { | |
throw Exception("Something Went Wrong"); | |
} | |
} | |
} |
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