From 9d78e7d654c51c22ce4be87efef5bc1f8d5a2d08 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Thu, 31 Oct 2019 16:16:48 +0300
Subject: Fix authentication

---
 Juick/ViewControllers/LoginViewController.m | 77 ++++++++++++++++++-----------
 1 file changed, 49 insertions(+), 28 deletions(-)

(limited to 'Juick/ViewControllers/LoginViewController.m')

diff --git a/Juick/ViewControllers/LoginViewController.m b/Juick/ViewControllers/LoginViewController.m
index 55099eb..a0e9b97 100644
--- a/Juick/ViewControllers/LoginViewController.m
+++ b/Juick/ViewControllers/LoginViewController.m
@@ -8,33 +8,32 @@
 
 #import "LoginViewController.h"
 #import "User.h"
-#import "AppDelegate.h"
-#import "APIClient.h"
 
-NSString * const UserSignedInNotificationName = @"UserSignedIn";
+NSString * const UserChangedNotificationName = @"UserSignedIn";
 
 @interface LoginViewController()
 @property (nonatomic, assign) int paddingValue;
+-(void) refreshState;
 @end
 
 @implementation LoginViewController
 
 - (void) awakeFromNib {
     [super awakeFromNib];
-    self.title = @"Sign in";
     [self.view setBackgroundColor:[UIColor colorNamed:@"Background"]];
-    [self.visualEffectView.contentView setBackgroundColor:[UIColor colorNamed:@"Background"]];
     
     self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel
                                                                                           target:self action:@selector(cancelSignIn)];
     self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemSave
                                                                                            target:self action:@selector(doneSignIn)];
-    self.usernameField.text = [APIClient sharedClient].credential.user;
-    self.passwordField.text = [APIClient sharedClient].credential.password;
     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil];
     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardDidShow:) name:UIKeyboardDidShowNotification object:nil];
 }
 
+- (void)viewWillAppear:(BOOL)animated {
+    [self refreshState];
+}
+
 -(void) keyboardDidShow:(NSNotification *)sender {
     CGRect keyboardRect = [sender.userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue];
     self.bottomConstraint.constant = keyboardRect.size.height - self.view.safeAreaInsets.bottom + self.paddingValue;
@@ -47,32 +46,54 @@ NSString * const UserSignedInNotificationName = @"UserSignedIn";
 
 
 - (void) cancelSignIn {
-    CATransition* transition = [CATransition animation];
-    transition.duration = 0.3;
-    transition.type = kCATransitionFade;
-    transition.subtype = kCATransitionFromTop;
-    
-    [self.navigationController.view.layer addAnimation:transition forKey:kCATransition];
-    [self.navigationController dismissViewControllerAnimated:NO completion:nil];
+    [self.navigationController dismissViewControllerAnimated:YES completion:nil];
 }
 
 - (void) doneSignIn {
-    [[APIClient sharedClient] setCredential:[NSURLCredential credentialWithUser:self.usernameField.text password:self.passwordField.text persistence:NSURLCredentialPersistenceSynchronizable]];
-    [[APIClient sharedClient] authenticate:^(User *user, NSError *error) {
-        if (user) {
-            [[NSNotificationCenter defaultCenter] postNotificationName:UserSignedInNotificationName object:user];
+    
+    [[NSURLCache sharedURLCache] removeAllCachedResponses];
+    [[AppDelegate shared].api authenticateWithUser:self.usernameField.text password:self.passwordField.text callback:^(BOOL success){
+        if (success) {
+            [[NSNotificationCenter defaultCenter] postNotificationName:UserChangedNotificationName object:nil];
             [[AppDelegate shared] registerForRemoteNotifications];
-            CATransition* transition = [CATransition animation];
-            transition.duration = 0.3;
-            transition.type = kCATransitionFade;
-            transition.subtype = kCATransitionFromTop;
-            
-            [self.navigationController.view.layer addAnimation:transition forKey:kCATransition];
-            [self.navigationController dismissViewControllerAnimated:NO completion:nil];
-        } else {
-            [User throwUnableToLogin:self error:error];
-            [[APIClient sharedClient] setCredential:nil];
+            [self.navigationController dismissViewControllerAnimated:YES completion:nil];
         }
     }];
 }
+
+- (void)refreshState {
+    if ([AppDelegate shared].api.currentUser) {
+        self.title = @"Profile";
+        [self.usernameField setHidden:YES];
+        [self.passwordField setHidden:YES];
+        [self.currentUser setHidden:NO];
+        self.currentUser.text = [AppDelegate shared].api.currentUser.uname;
+        __weak UIImageView *weakAttach = self.imageView;
+        [[AppDelegate shared].api fetchImageWithURL:[NSURL URLWithString:[AppDelegate shared].api.currentUser.avatar] callback:^(NSData *data) {
+            [UIView transitionWithView:weakAttach
+                              duration:0.3
+                               options:UIViewAnimationOptionTransitionCrossDissolve
+                            animations:^{
+                                weakAttach.image = [UIImage imageWithData:data];
+                            }
+                            completion:nil];
+        }];
+        [self.signOutButton setHidden:NO];
+    } else {
+        self.title = @"Sign in";
+        self.imageView.image = [UIImage imageNamed:@"Splash"];
+        [self.usernameField setHidden:NO];
+        [self.passwordField setHidden:NO];
+        [self.currentUser setHidden:YES];
+        [self.signOutButton setHidden:YES];
+    }
+}
+
+- (IBAction)signoutPressed:(id)sender {
+    [[AppDelegate shared].api signout];
+    [[NSURLCache sharedURLCache] removeAllCachedResponses];
+    [self.navigationController dismissViewControllerAnimated:YES completion:^{
+        [[NSNotificationCenter defaultCenter] postNotificationName:UserChangedNotificationName object:nil];
+    }];
+}
 @end
-- 
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