button swift

button.swift

Button(action: {
            // Perform the SignUpUser mutation, passing the parameters we just got from our TextFields
            apollo.perform(mutation: SignUpUserMutation(username: self.username, password: self.password, email: self.email)){ result in
                // Let's switch the result so we can separate a successful one from an error
                switch result {
                    // In case of success
                    case .success(let graphQLResult):
                        // We try to parse our result
                        if let objId = graphQLResult.data?.users?.signUp.objectId {
                            myMessage.alertTitle = "Yay!"
                            myMessage.alertText = "User signed up!"
                            
                            self.showingAlert = true

                            print ("User created with ObjectId: " + objId)
                        }
                        // but in case of any GraphQL errors we present that message
                        else if let errors = graphQLResult.errors {
                            // GraphQL errors

                            myMessage.alertTitle = "Oops!"
                            myMessage.alertText = "We've got a GraphQL error: " + errors.description
                            self.showingAlert = true

                            print(errors)
                        }
                    // In case of failure, we present that message
                    case .failure(let error):
                        // Network or response format errors
                        myMessage.alertTitle = "Oops!"
                        myMessage.alertText = "We've got an error: " + error.localizedDescription
                        self.showingAlert = true
                        
                        print(error)
                }
            }
           }){
               Text("Sign Up!")
                .font(.headline)
                .foregroundColor(.white)
                .padding()
                .frame(width: 220, height: 60)
                .background(lightBlueColor)
                .cornerRadius(15.0)
           }
           .alert(isPresented: $showingAlert) {
                Alert(title: Text(myMessage.alertTitle), message: Text(myMessage.alertText), dismissButton: .default(Text("OK")))
           }