1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
#import "LoginViewController.h"
#import "CreationsTableViewController.h"
@interface LoginViewController ()<UITextFieldDelegate>
@property (strong, nonatomic) MBProgressHUD *HUD;
@end
@implementation LoginViewController
- (void)viewDidLoad
{
[super viewDidLoad];
// prepopulate username/password with stored information
NSError *error;
NSString *username = [SSKeychain passwordForService:KEYCHAIN_USER_NAME account:KEYCHAIN_ACCOUNT error:&error];
if (error) { username = nil; }
NSString *password = [SSKeychain passwordForService:KEYCHAIN_USER_PASSWORD account:KEYCHAIN_ACCOUNT error:&error];
if (error) { password = nil; }
if (username)
{
self.emailTextBox.text = username;
}
if (password)
{
self.passwordTextBox.text = password;
}
}
- (MBProgressHUD *)HUD
{
if (!_HUD) {
_HUD = [[MBProgressHUD alloc] initWithView:self.view];
[self.view addSubview:_HUD];
}
return _HUD;
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
}
#pragma mark UITextFieldDelegate
- (BOOL)textFieldShouldReturn:(UITextField *)textField
{
// user did hit the Return/Done button on the keyboard
if (textField == self.emailTextBox)
{
// goto password field
[self.passwordTextBox becomeFirstResponder];
}
else
if (textField == self.passwordTextBox)
{
[self login:self.passwordTextBox];
}
return YES;
}
- (void)textFieldDidEndEditing:(UITextField *)textField
{
[textField resignFirstResponder];
}
- (void)dismissKeyboard
{
[self.view endEditing:YES];
}
#pragma mark - Action methods
- (IBAction)backgroundTapped:(id)sender
{
[self dismissKeyboard];
}
- (IBAction)login:(id)sender
{
[self dismissKeyboard];
self.HUD.mode = MBProgressHUDModeIndeterminate;
self.HUD.labelText = nil;
self.HUD.customView = nil;
[self.HUD show:YES];
// try to login
NSDictionary *params = @{@"email": self.emailTextBox.text, @"password": self.passwordTextBox.text};
AFHTTPClient *httpClient = [[AFHTTPClient alloc] initWithBaseURL:[NSURL URLWithString:HOST]];
[httpClient registerHTTPOperationClass:[AFJSONRequestOperation class]];
[httpClient setDefaultHeader:@"Accept" value:@"application/json"];
[httpClient.operationQueue setMaxConcurrentOperationCount:1];
[httpClient setParameterEncoding:AFJSONParameterEncoding];
NSMutableURLRequest *request = [httpClient requestWithMethod:@"POST" path:URL_LOGIN parameters:params];
NSLog(@"POST: %@", request);
AFJSONRequestOperation *operation = [AFJSONRequestOperation JSONRequestOperationWithRequest:request success:^(NSURLRequest *request, NSHTTPURLResponse *response, id JSON) {
NSLog(@"%@", JSON);
// check if login was successfull
NSString *token = [JSON objectForKey:@"auth_token"];
if (!token || [token isEmpty])
{
[self.HUD hide:YES];
[TSMessage showNotificationInViewController:self withTitle:@"Login failed!" withMessage:@"Please verify your login credentials and try again." withType:TSMessageNotificationTypeError withDuration:OVERLAY_MESSAGE_DURATION];
}
else
{
// successfull login!
[SSKeychain setPassword:token forService:KEYCHAIN_API_TOKEN account:KEYCHAIN_ACCOUNT];
[SSKeychain setPassword:self.emailTextBox.text forService:KEYCHAIN_USER_NAME account:KEYCHAIN_ACCOUNT];
[SSKeychain setPassword:self.passwordTextBox.text forService:KEYCHAIN_USER_PASSWORD account:KEYCHAIN_ACCOUNT];
CreationsTableViewController *controller = [[CreationsTableViewController alloc] initWithNibName:@"CreationsTableViewController" bundle:nil];
[self.navigationController pushViewController:controller animated:YES];
}
}
failure:^(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error, id JSON)
{
[self.HUD hide:YES];
NSLog(@"Request Failed with Error: %@, %@", error, error.userInfo);
BlockAlertView *alert = [BlockAlertView alertWithTitle:@"Something's not working." message:@"Login/Signup currently not possible. Please try again."];
[alert setCancelButtonWithTitle:@"Ok" block:nil];
[alert show];
}];
[operation start];
}
@end
|
