COVIDSafe code from version 1.1

CovidSafe/PhoneNumberViewController.swift

@@ -0,0 +1,130 @@
+//  Copyright © 2020 Australian Government All rights reserved.
+import SafariServices
+import UIKit
+
+class PhoneNumberViewController: UIViewController, UITextFieldDelegate, RegistrationHandler {
+    
+    @IBOutlet weak var phoneNumberField: UITextField!
+    @IBOutlet weak var getOTPButton: UIButton!
+    @IBOutlet weak var titleLabel: UILabel!
+    let PHONE_NUMBER_LENGTH = 17 // e.g. "+61 4 12 345 678 " if text is auto-pasted from text message
+    @IBOutlet weak var activityIndicator: UIActivityIndicatorView!
+    var selectedCountry: String? = "Australia"
+    var countryList: [String] = CountriesData.countryArray
+    // If this view is part of the reauthentiation flow of an expired JWT
+    var reauthenticating: Bool = false
+    var registrationInfo: RegistrationRequest?
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        self.phoneNumberField.addTarget(self, action: #selector(self.phoneNumberFieldDidChange), for: UIControl.Event.editingChanged)
+        self.phoneNumberFieldDidChange()
+        phoneNumberField.delegate = self
+        dismissKeyboardOnTap()
+        if (reauthenticating) {
+            self.titleLabel.text = "Enter your mobile number to re-verify"
+        }
+    }
+    
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+        self.phoneNumberField.becomeFirstResponder()
+    }
+    
+    override func viewDidAppear(_ animated: Bool) {
+        super.viewDidAppear(animated)
+    }
+    
+    @IBAction func onBackTapped(_ sender: UIButton) {
+        self.navigationController?.popViewController(animated: true)
+    }
+    
+    @IBAction func nextButtonClicked(_ sender: Any) {
+        parsePhoneNumberAndProceed(self.phoneNumberField.text ?? "")
+    }
+    
+    @IBAction func onAustralianNumberPressed(_ sender: UIButton) {
+        guard let url = URL(string: URLHelper.getAustralianNumberURL()) else {
+            DLog("Failed to get Aus number URL")
+            return
+        }
+        let safariVC = SFSafariViewController(url: url)
+        present(safariVC, animated: true, completion: nil)
+    }
+    
+    @objc
+    func phoneNumberFieldDidChange() {
+        guard let phoneNumberString = self.phoneNumberField.text else { return }
+        if (selectedCountry == "Australia") {
+            let result = PhoneNumberParser.parse(phoneNumberString)
+            if case .success = result {
+                self.phoneNumberField.resignFirstResponder()
+            }
+        }
+    }
+    
+    func parsePhoneNumberAndProceed(_ number: String) {
+        let result = PhoneNumberParser.parse(number)
+        
+        switch result {
+        case .success(let parsedNumber):
+            activityIndicator.startAnimating()
+            getOTPButton.isEnabled = false
+            verifyPhoneNumber(parsedNumber)
+            
+        case .failure(let error):
+            let errorAlert = UIAlertController(title: "Wrong number format", message: "Please enter a mobile phone number", preferredStyle: .alert)
+            errorAlert.addAction(UIAlertAction(title: NSLocalizedString("OK", comment: "Default action"), style: .default, handler: { _ in
+                NSLog("Unable to verify phone number")
+            }))
+            present(errorAlert, animated: true)
+            DLog("Client side phone number verification error: \(error.localizedDescription)")
+            return
+        }
+    }
+    
+    private func verifyPhoneNumber(_ phoneNumber: String) {
+        guard self.registrationInfo != nil else {
+            return
+        }
+        self.registrationInfo?.phoneNumber = phoneNumber
+        PhoneValidationAPI.verifyPhoneNumber(regInfo: self.registrationInfo!) {[weak self]  (session, error) in
+            self?.activityIndicator.stopAnimating()
+            self?.getOTPButton.isEnabled = true
+            if let error = error {
+                let errorAlert = UIAlertController(title: "Error verifying phone number", message: "Please check your details and try again.", preferredStyle: .alert)
+                errorAlert.addAction(UIAlertAction(title: NSLocalizedString("OK", comment: "Default action"), style: .default, handler: { _ in
+                    DLog("Unable to verify phone number")
+                }))
+                self?.present(errorAlert, animated: true)
+                DLog("Phone number verification error: \(error.localizedDescription)")
+                return
+            }
+            UserDefaults.standard.set(session, forKey: "session")
+            self?.performSegue(withIdentifier: "segueFromNumberToOTP", sender: self)
+        }
+    }
+    
+    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
+        if let vc = segue.destination as? OTPViewController {
+            vc.reauthenticating = self.reauthenticating
+            vc.registrationInfo = self.registrationInfo
+        }
+    }
+    
+    //  limit text field input to 17 characters
+    func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange,
+                           replacementString string: String) -> Bool
+    {
+        let maxLength = PHONE_NUMBER_LENGTH
+        let currentString: NSString = textField.text! as NSString
+        let newString: NSString =
+            currentString.replacingCharacters(in: range, with: string) as NSString
+        return newString.length <= maxLength
+    }
+    
+    @objc func action() {
+       view.endEditing(true)
+    }
+    
+}