Last active
May 23, 2021 08:02
-
-
Save bharathreddys77/757681a069add6252ffd5f47744c6588 to your computer and use it in GitHub Desktop.
ServiceController triggers API and fetch data. This file implements NteworkController protocol
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // Possible request types | |
| private enum ServiceType:String { | |
| case GET | |
| case POST | |
| case PUT | |
| case DELETE | |
| case PATCH | |
| } | |
| struct ServiceController:NetworkingController { | |
| func loginUser(request:LoginRequest,completion:@escaping(_ result:Result<LoginResponse,NetworkControllerError>) -> Void) { | |
| networkRequestResult(urlString: "Login URL", type: .POST, header: nil, encodingData: request, completion: completion) | |
| } | |
| func forgotPassword(request:ForgotPasswordRequest,completion:@escaping(_ result:Result<ForgotPwdResponse,NetworkControllerError>) -> Void) { | |
| networkRequestResult(urlString: "URL", type: .POST, header: nil, encodingData: request, completion: completion) | |
| } | |
| } | |
| extension ServiceController { | |
| private func networkRequestResult<Q:Encodable,T:Decodable>(urlString:String,type:ServiceType,header:[String:Any]?,encodingData input:Q?,completion:@escaping(Result<T,NetworkError>,Any?) -> Void) { | |
| guard Reachability.isConnectedToNetwork() else { | |
| completion(.failure(NetworkControllerError.NoNetworkError),nil) | |
| return URLSession(configuration: URLSessionConfiguration.default) | |
| } | |
| guard let url = URL(string: Constants.BASE_URL+urlString) else { | |
| completion(.failure(NetworkControllerError.BadURLError),nil) | |
| return URLSession(configuration: URLSessionConfiguration.default) | |
| } | |
| let config = URLSessionConfiguration.default | |
| var urlSession = URLSession(configuration:config) | |
| if let _ = header { | |
| config.httpAdditionalHeaders = header! | |
| urlSession = URLSession(configuration: config) | |
| } | |
| var request = URLRequest(url: url) | |
| request.httpMethod = type.rawValue | |
| request.addValue("application/json", forHTTPHeaderField: "Content-Type") | |
| request.addValue("*/*", forHTTPHeaderField: "Accept") | |
| if let body = input,type == .POST { | |
| do { | |
| request.httpBody = try JSONEncoder().encode(body) | |
| } catch { | |
| print("unable to encode input data \(error)") | |
| } | |
| } | |
| urlSession.dataTask(with: request) { (responseData, urlResponse, urlError) in | |
| guard urlError == nil else { | |
| DispatchQueue.main.async { completion(.failure(NetworkControllerError.customError(message: urlError?.localizedDescription ?? "")),nil) } | |
| return | |
| } | |
| if let response = urlResponse,response is HTTPURLResponse { | |
| guard let data = responseData else { | |
| DispatchQueue.main.async { completion(.failure(NetworkControllerError.NoDataAvailableInResponseError),nil) | |
| } | |
| return | |
| } | |
| print("status code \((response as! HTTPURLResponse).statusCode)") | |
| if (response as! HTTPURLResponse).statusCode != 200 { | |
| DispatchQueue.main.async { | |
| do{ | |
| let values:NetworkError = try JSONDecoder().decode(NetworkError.self, from: data) | |
| completion(.failure(NetworkControllerError.Non200StatusCodeError(values)),nil) | |
| }catch{ | |
| completion(.failure(NetworkControllerError.NoDataAvailableInResponseError),nil) | |
| } | |
| } | |
| } else { | |
| do { | |
| let values = try JSONDecoder().decode(T.self, from: data) | |
| print("decoded data \(values)") | |
| DispatchQueue.main.async { completion(.success(values),nil )} | |
| } catch { | |
| print("POST API Response parse error \(error)") | |
| DispatchQueue.main.async { | |
| completion(.failure(NetworkControllerError.UnParsableError),nil) | |
| } | |
| } | |
| } | |
| } else { | |
| print("UnknownError") | |
| DispatchQueue.main.async { completion(.failure(NetworkControllerError.UnknownError),nil) } | |
| } | |
| }.resume() | |
| return urlSession | |
| } | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment