bharathreddys77

class LoginController:UIViewController {
  
  private func loginUser() {
    ServiceController().loginUser(request: LoginRequest(email: emailTF.text, password: passwordTF.text)) {[weak self] (result) in
                self?.dismissProgressBar()
                guard let self = self else { return }
                switch result {
                    case .success(let response):
                        print("login success \(response)")
                        break

bharathreddys77

// Possible request types
private enum ServiceType:String {
    case GET
    case POST
    case PUT
    case DELETE
    case PATCH
}

struct ServiceController:NetworkingController {

bharathreddys77

protocol NetworkingController {
    func loginUser(request:LoginRequest,completion:@escaping(_ result:Result<LoginResponse,NetworkControllerError>) -> Void)
    func forgotPassword(request:ForgotPasswordRequest,completion:@escaping(_ result:Result<ForgotPwdResponse,NetworkControllerError>) -> Void)
}

enum NetworkControllerError:Error {
    case Non200StatusCodeError(NetworkError)
    case NoNetworkError
    case BadURLError
    case UnParsableError

bharathreddys77

struct LoginResponse:Decodable {
  let isSuccess:Bool
  let error:NetworkError? 
}

struct LoginRequest:Encodable {
    let email:String?
    let password:String?
}

bharathreddys77

protocol NetworkingController {
  func verifyUserLogin(_ req: Loginrequest, completion: @escaping (LoginResponse?, NetworkError?) -> Void)
}

bharathreddys77

class ViewController:CustomNavigationbarProtocol {
  override func viewDidLoad() {
    //set navigation bar using the protocol method created
    self.setNavigationbartype(.NavCenterTitleWithBackButton,"First Page",#selector(onBackBtn),nil)
  }
  
  @objc func onBackBtn() {
    self.navigationController.popViewController(animated:true) 
  }
}

bharathreddys77

    fileprivate func setOriginalBackImage(selector:Selector) {
        let backButton = UIBarButtonItem(image: UIImage(named: "nav_back_btn")?.withRenderingMode(.alwaysOriginal), style: .plain, target: self, action: selector)
        backButton.tintColor?.withAlphaComponent(0.3)
        self.navigationItem.leftBarButtonItem = backButton
    }

    fileprivate func setOnlyTitleWithoutBackButton(title:String) { // just display title on nav bar without back button 
        let label = UILabel(frame: CGRect(x: 0, y: 0, width: 150, height: 44))
        label.text = title
        label.font = UIFont(name: Constants.MabryFonts.REGULAR, size: 16)

bharathreddys77

//Define different types of navigation bar application requires
enum NavigationbarType {
    case NavPlainBackButton
    case NavCenterTitleImageWithNoBackButton
    case NavCenterTitleWithBackButton
    case NavWithTitleOnly
    case NavWithLocationSearch
}

bharathreddys77

fileprivate enum ServiceType:String {
    case GET,POST,PUT,DELETE
}

struct APIController:NetworkProtocol {
    func verifyUserLogin(_ req: Loginrequest, completion: @escaping (LoginResponse?, NetworkError?) -> Void) {
        networkRequestResult(urlString: Constants.API_NEW_PATIENT, type: .POST, header: nil, encodingData: req, completion: completion)
    }
}

bharathreddys77

struct LoginRequest:Encodable {
 var username:String?
 var password:String?
}