Photo Bombers - Access Tokens

#import "PhotoCell.h"
#import "SAMCache/SAMCache.h"

@implementation PhotoCell

- (void) setPhoto:(NSDictionary *)photo {

    _photo = photo;
    NSURL *url = [[NSURL alloc] initWithString:_photo [@"images"] [@"thumbnail"] [@"url"]];

    [self downloadPhotoWithURL:url];
}
- (id)initWithFrame:(CGRect)frame
{
    self = [super initWithFrame:frame];
    if (self) {
        // Initialization code
        self.imageView = [[UIImageView alloc] init];

        UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(like)];
        tap.numberOfTapsRequired = 2;
        [self addGestureRecognizer:tap];
        [self.contentView addSubview:self.imageView];

    }
    return self;
}

- (void) layoutSubviews {

    [super layoutSubviews];

    self.imageView.frame = self.contentView.bounds;
}

- (void) downloadPhotoWithURL: (NSURL *) url{
    NSString *key = [[NSString alloc] initWithFormat:@"%@-thumbnail", self.photo [@"id"]];
    UIImage *photo = [[SAMCache sharedCache] imageForKey:key];
    if (photo) {
        self.imageView.image = photo;
        return;
    }
    NSURLSession *session = [NSURLSession sharedSession];
    NSURLRequest *request = [[NSURLRequest alloc] initWithURL:url];
    NSURLSessionDownloadTask *task = [session downloadTaskWithRequest:request completionHandler:^(NSURL *location, NSURLResponse *response, NSError *error) {
        NSData *data = [[NSData alloc] initWithContentsOfURL:location];
        UIImage *image = [[UIImage alloc] initWithData:data];
        [[SAMCache sharedCache] setImage:image forKey:key];

        dispatch_async(dispatch_get_main_queue(), ^{
            self.imageView.image = image;
        });
    } ];
        [task resume];
}

- (void) like {
    NSLog(@"Link: %@", self.photo[@"Link"]);
    NSURLSession *session = [NSURLSession sharedSession];
    NSString *accessToken = [[NSUserDefaults standardUserDefaults] objectForKey:@"AccessToken"];
    NSString *urlString = [[NSString alloc] initWithFormat:@"https://api.instagram.com/v1/media/%@/likes?access_token=%@", self.photo[@"id"], accessToken];
    NSURL *url = [[NSURL alloc] initWithString:urlString];
    NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:url];
    request.HTTPMethod = @"Post";
    NSURLSessionDataTask *task = [session dataTaskWithRequest:request completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
        dispatch_async(dispatch_get_main_queue(),^{
            [self showLikeCompletion];
        });
        NSLog(@"response %@", response);
        NSLog(@"data %@", [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding]);
    }];
    [task resume];


}

- (void) showLikeCompletion {
    UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Liked!" message:nil delegate:nil cancelButtonTitle:nil otherButtonTitles:nil, nil];
    [alert show];

    double delayInSeconds = 1.0;

    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(delayInSeconds * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
        [alert dismissWithClickedButtonIndex:0 animated:YES];
    });
}

@end