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BMELoginViewController.m
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BMELoginViewController.m
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//
// BMELoginViewController.m
// BeMyEyes
//
// Created by Simon Støvring on 22/02/14.
// Copyright (c) 2014 Be My Eyes. All rights reserved.
//
#import "BMELoginViewController.h"
#import <MRProgress/MRProgress.h>
#import <Accounts/Accounts.h>
#import "BMEAppDelegate.h"
#import "BMEClient.h"
#import "BMEUser.h"
#import "BMEScrollViewTextFieldHelper.h"
#import "BeMyEyes-Swift.h"
#import "BMEForgotPasswordViewController.h"
@interface BMELoginViewController () <UITextFieldDelegate>
@property (weak, nonatomic) IBOutlet UIScrollView *scrollView;
@property (weak, nonatomic) IBOutlet UIButton *backButton;
@property (weak, nonatomic) IBOutlet UITextField *emailTextField;
@property (weak, nonatomic) IBOutlet UITextField *passwordTextField;
@property (weak, nonatomic) IBOutlet Button *loginButton;
@property (weak, nonatomic) IBOutlet Button *facebookButton;
@property (weak, nonatomic) IBOutlet UIButton *forgotPasswordButton;
@property (strong, nonatomic) BMEScrollViewTextFieldHelper *scrollViewHelper;
@property (strong, nonatomic) MRProgressOverlayView *loggingInOverlayView;
@end
@implementation BMELoginViewController
#pragma mark -
#pragma mark Lifecycle
- (void)viewDidLoad {
[super viewDidLoad];
[MKLocalization registerForLocalization:self];
self.scrollViewHelper = [[BMEScrollViewTextFieldHelper alloc] initWithScrollview:self.scrollView inViewController:self];
}
- (void)dealloc {
[self hideLoggingInOverlay];
_loggingInOverlayView = nil;
}
- (void)shouldLocalize {
[self.backButton setTitle:MKLocalizedFromTable(BME_LOGIN_BACK, BMELoginLocalizationTable) forState:UIControlStateNormal];
self.emailTextField.placeholder = MKLocalizedFromTable(BME_LOGIN_EMAIL_PLACEHOLDER, BMELoginLocalizationTable);
self.passwordTextField.placeholder = MKLocalizedFromTable(BME_LOGIN_PASSWORD_PLACEHOLDER, BMELoginLocalizationTable);
self.loginButton.title = MKLocalizedFromTable(BME_LOGIN_PERFORM_LOG_IN, BMELoginLocalizationTable);
self.facebookButton.title = MKLocalizedFromTable(BME_LOGIN_FACEBOOK, BMELoginLocalizationTable);
[self.forgotPasswordButton setTitle:MKLocalizedFromTable(BME_LOGIN_FORGOT_PASSWORD, BMELoginLocalizationTable) forState:UIControlStateNormal];
}
- (BOOL)prefersStatusBarHidden
{
return self.scrollViewHelper.prefersStatusBarHidden;
}
- (UIStatusBarAnimation)preferredStatusBarUpdateAnimation
{
return self.scrollViewHelper.preferredStatusBarUpdateAnimation;
}
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
if ([segue.destinationViewController isKindOfClass:[BMEForgotPasswordViewController class]]) {
BMEForgotPasswordViewController *viewController = (BMEForgotPasswordViewController *)segue.destinationViewController;
[viewController prepopulateWithEmail:self.emailTextField.text];
}
}
- (BOOL)accessibilityPerformEscape {
[self.navigationController popViewControllerAnimated:NO];
return YES;
}
#pragma mark -
#pragma mark Private Methods
- (IBAction)facebookButtonPressed:(id)sender {
[self performLoginUsingFacebook:YES];
}
- (IBAction)loginButtonPressed:(id)sender {
[self performLoginUsingFacebook:NO];
}
- (void)performLoginUsingFacebook:(BOOL)useFacebook {
[self dismissKeyboard];
if (useFacebook) {
[self performLoginWithFacebook];
} else {
[self performLoginWithEmail];
}
}
- (void)performLoginWithEmail {
BOOL isEmailEmpty = [self.emailTextField.text length] == 0;
BOOL isPasswordEmpty = [self.passwordTextField.text length] == 0;
if (isEmailEmpty || isPasswordEmpty) {
if (isEmailEmpty) {
[self.emailTextField becomeFirstResponder];
} else if (isPasswordEmpty) {
[self.passwordTextField becomeFirstResponder];
}
NSString *title = MKLocalizedFromTable(BME_LOGIN_ALERT_EMPTY_FIELDS_TITLE, BMELoginLocalizationTable);
NSString *message = MKLocalizedFromTable(BME_LOGIN_ALERT_EMPTY_FIELD_MESSAGE, BMELoginLocalizationTable);
NSString *cancelButton = MKLocalizedFromTable(BME_LOGIN_ALERT_EMPTY_FIELDS_CANCEL, BMELoginLocalizationTable);
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:title message:message delegate:nil cancelButtonTitle:cancelButton otherButtonTitles:nil, nil];
[alert show];
} else {
// Trim whitespace
NSString *email = [self.emailTextField.text stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
NSString *password = [self.passwordTextField.text stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
[self loginWithEmail:email password:password];
[self dismissKeyboard];
}
}
- (void)performLoginWithFacebook {
[self showLoggingInOverlay];
[[BMEClient sharedClient] loginUsingFacebookWithDeviceToken:[GVUserDefaults standardUserDefaults].deviceToken success:^(BMEToken *token) {
[self hideLoggingInOverlay];
[self didLogin];
} loginFailure:^(NSError *error) {
[self hideLoggingInOverlay];
if ([error code] == BMEClientErrorUserFacebookUserNotFound) {
NSString *title = MKLocalizedFromTable(BME_LOGIN_ALERT_FACEBOOK_USER_NOT_REGISTERED_TITLE, BMELoginLocalizationTable);
NSString *message = MKLocalizedFromTable(BME_LOGIN_ALERT_FACEBOOK_USER_NOT_REGISTERED_MESSAGE, BMELoginLocalizationTable);
NSString *cancelButton = MKLocalizedFromTable(BME_LOGIN_ALERT_FACEBOOK_USER_NOT_REGISTERED_CANCEL, BMELoginLocalizationTable);
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:title message:message delegate:nil cancelButtonTitle:cancelButton otherButtonTitles:nil, nil];
[alert show];
} else {
NSString *title = MKLocalizedFromTable(BME_LOGIN_ALERT_FACEBOOK_UNKNOWN_ERROR_TITLE, BMELoginLocalizationTable);
NSString *message = MKLocalizedFromTable(BME_LOGIN_ALERT_FACEBOOK_UNKNOWN_ERROR_MESSAGE, BMELoginLocalizationTable);
NSString *cancelButton = MKLocalizedFromTable(BME_LOGIN_ALERT_FACEBOOK_UNKNOWN_ERROR_CANCEL, BMELoginLocalizationTable);
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:title message:message delegate:nil cancelButtonTitle:cancelButton otherButtonTitles:nil, nil];
[alert show];
}
NSLog(@"Could not log in with Facebook: %@", error);
} accountFailure:^(NSError *error) {
[self hideLoggingInOverlay];
if ([error code] == ACErrorAccountNotFound) {
NSString *title = MKLocalizedFromTable(BME_LOGIN_ALERT_FACEBOOK_ACCOUNT_NOT_FOUND_TITLE, BMELoginLocalizationTable);
NSString *message = MKLocalizedFromTable(BME_LOGIN_ALERT_FACEBOOK_ACCOUNT_NOT_FOUND_MESSAGE, BMELoginLocalizationTable);
NSString *cancelButton = MKLocalizedFromTable(BME_LOGIN_ALERT_FACEBOOK_ACCOUNT_NOT_FOUND_CANCEL, BMELoginLocalizationTable);
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:title message:message delegate:nil cancelButtonTitle:cancelButton otherButtonTitles:nil, nil];
[alert show];
} else {
NSString *title = MKLocalizedFromTable(BME_LOGIN_ALERT_FACEBOOK_NOT_LOGGED_IN_TITLE, BMELoginLocalizationTable);
NSString *cancelButtonTitle = MKLocalizedFromTable(BME_LOGIN_ALERT_FACEBOOK_NOT_LOGGED_IN_MESSAGE, BMELoginLocalizationTable);
NSString *message = MKLocalizedFromTable(BME_LOGIN_ALERT_FACEBOOK_NOT_LOGGED_IN_CANCEL, BMELoginLocalizationTable);
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:title message:message delegate:nil cancelButtonTitle:cancelButtonTitle otherButtonTitles:nil, nil];
[alert show];
}
NSLog(@"Could not log in with Facebook due to account error: %@", error);
}];
}
- (void)loginWithEmail:(NSString *)email password:(NSString *)password {
[self showLoggingInOverlay];
[[BMEClient sharedClient] loginWithEmail:email password:password deviceToken:[GVUserDefaults standardUserDefaults].deviceToken success:^(BMEToken *token) {
[self hideLoggingInOverlay];
[self didLogin];
} failure:^(NSError *error) {
[self hideLoggingInOverlay];
if ([error code] == BMEClientErrorUserIncorrectCredentials) {
NSString *title = MKLocalizedFromTable(BME_LOGIN_ALERT_INCORRECT_CREDENTIALS_TITLE, BMELoginLocalizationTable);
NSString *message = MKLocalizedFromTable(BME_LOGIN_ALERT_INCORRECT_CREDENTIALS_MESSAGE, BMELoginLocalizationTable);
NSString *cancelButton = MKLocalizedFromTable(BME_LOGIN_ALERT_INCORRECT_CREDENTIALS_CANCEL, BMELoginLocalizationTable);
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:title message:message delegate:nil cancelButtonTitle:cancelButton otherButtonTitles:nil, nil];
[alert show];
} else {
NSString *title = MKLocalizedFromTable(BME_LOGIN_ALERT_EMAIL_LOGIN_UNKNOWN_ERROR_TITLE, BMELoginLocalizationTable);
NSString *message = MKLocalizedFromTable(BME_LOGIN_ALERT_EMAIL_LOGIN_UNKNOWN_ERROR_MESSAGE, BMELoginLocalizationTable);
NSString *cancelButton = MKLocalizedFromTable(BME_LOGIN_ALERT_EMAIL_LOGIN_UNKNOWN_ERROR_CANCEL, BMELoginLocalizationTable);
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:title message:message delegate:nil cancelButtonTitle:cancelButton otherButtonTitles:nil, nil];
[alert show];
}
NSLog(@"Could not log in: %@", error);
}];
}
- (void)dismissKeyboard {
if ([self.emailTextField isFirstResponder]) {
[self.emailTextField resignFirstResponder];
} else if ([self.passwordTextField isFirstResponder]) {
[self.passwordTextField resignFirstResponder];
}
}
- (void)showLoggingInOverlay {
if (_loggingInOverlayView) {
return;
}
self.loggingInOverlayView = [self addLoggingInOverlay];
}
- (void)hideLoggingInOverlay {
if (!_loggingInOverlayView) {
return;
}
[self.loggingInOverlayView hide:YES];
_loggingInOverlayView = nil;
}
- (MRProgressOverlayView *)addLoggingInOverlay {
MRProgressOverlayView *progressOverlayView = [MRProgressOverlayView showOverlayAddedTo:self.view.window animated:YES];
progressOverlayView.mode = MRProgressOverlayViewModeIndeterminate;
progressOverlayView.titleLabelText = MKLocalizedFromTable(BME_LOGIN_OVERLAY_LOGGING_IN_TITLE, BMELoginLocalizationTable);
return progressOverlayView;
}
- (void)didLogin {
[[BMEClient sharedClient] updateUserInfoWithUTCOffset:nil];
[[BMEClient sharedClient] upsertDeviceWithNewToken:nil production:[GVUserDefaults standardUserDefaults].isRelease completion:nil];
[[NSNotificationCenter defaultCenter] postNotificationName:BMEDidLogInNotification object:nil];
}
#pragma mark -
#pragma mark Text Field Delegate
- (void)textFieldDidBeginEditing:(UITextField *)textField {
self.scrollViewHelper.activeView = textField;
}
- (void)textFieldDidEndEditing:(UITextField *)textField {
self.scrollViewHelper.activeView = nil;
}
- (BOOL)textFieldShouldReturn:(UITextField *)textField {
if (textField == self.emailTextField) {
[self.passwordTextField becomeFirstResponder];
} else if (textField == self.passwordTextField) {
[textField resignFirstResponder];
[self performLoginUsingFacebook:NO];
}
return YES;
}
@end