Share Image to instagram & Whatsapp

- (IBAction)shareInstagramClicked:(id)sender
{
  //Instagram URL Scheme
    NSURL *instagramURL = [NSURL URLWithString:@"instagram://location?id=1"];
    if ([[UIApplication sharedApplication] canOpenURL:instagramURL])
    {
        NSString *message = @"";
        
        NSString *documentsDirectory = [NSHomeDirectory() stringByAppendingPathComponent:@"Documents"];
        
        //Image must be saved as .igo to phoe directory in order to work.  This will be removed on the doc interaction controller delegate
        NSString *instagramTempImagePath = [documentsDirectory stringByAppendingPathComponent:@"InstagramImage.igo"];
        
        //este metodo getNSDataFromImage es de es una clase helper pero basicamente solo es sacar el NSData de una UIImage
        NSData *imageData = [Util getNSDataFromImage:self.imageToShare isPNG:NO];
        
        [imageData writeToFile:instagramTempImagePath atomically:YES];
        NSURL *imageUrl = [NSURL fileURLWithPath:instagramTempImagePath];
        
        
      //ivar de tipo UIDocumentInteractionController 
        if(!docInterationController)
        {
            docInterationController = [[UIDocumentInteractionController alloc] init];
        }
        docInterationController.delegate = self;
        docInterationController.UTI = @"com.instagram.exclusivegram";
        docInterationController.URL = imageUrl;
        docInterationController.annotation = [NSDictionary dictionaryWithObject:message forKey:@"InstagramCaption"];
        [docInterationController presentOpenInMenuFromRect:CGRectZero inView:self animated:YES];
    }
    else
    {
        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:APP_NAME message:@"This feature requires that you have installed Instagram" delegate:nil cancelButtonTitle:@"Close" otherButtonTitles:nil, nil];
        [alert show];
    }
}

- (IBAction)shareWhatsappClicked:(id)sender
{
    NSURL *whatsappURL = [NSURL URLWithString:@"whatsapp://app"];
    if ([[UIApplication sharedApplication] canOpenURL:whatsappURL])
    {
        //For sharing messages or URLs
        if(self.urlToShare){
            NSString *customMessage = [NSString stringWithFormat:@"made with #kamio %@", self.urlToShare];
            customMessage = [customMessage stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
            
            NSString *urlString = [NSString stringWithFormat:@"whatsapp://send?text=%@", customMessage];
            whatsappURL = [NSURL URLWithString:urlString];
            [[UIApplication sharedApplication] openURL:whatsappURL];

        }else{
        //For image sharing
            if(self.imageToShare)
            {
                NSString *documentsDirectory = [NSHomeDirectory() stringByAppendingPathComponent:@"Documents"];
                NSString *whatsappTempImagePath = [documentsDirectory stringByAppendingPathComponent:@"WhatsAppImage.wai"];
                
                NSData *imageData = [Util getNSDataFromImage:self.imageToShare isPNG:NO];
                [imageData writeToFile:whatsappTempImagePath atomically:YES];
                NSURL *imageUrl = [NSURL fileURLWithPath:whatsappTempImagePath];
                
                if(!docInterationController)
                {
                    docInterationController = [[UIDocumentInteractionController alloc] init];
                }
                docInterationController.delegate = self;
                docInterationController.UTI = @"net.whatsapp.image";
                docInterationController.URL = imageUrl;
                if(self.urlToShare){
                    docInterationController.annotation = [NSString stringWithFormat:@"made with #kamio %@",self.urlToShare];
                }else {
                    docInterationController.annotation = [NSString stringWithFormat:@"made with #kamio"];
                }
                [docInterationController presentOpenInMenuFromRect:CGRectZero inView:self animated:YES];
            }
        }/*
        else{
            NSString *urlString = [NSString stringWithFormat:@"whatsapp://send?text=%@", self.urlToShare];
            whatsappURL = [NSURL URLWithString:urlString];
            [[UIApplication sharedApplication] openURL:whatsappURL];
        }*/
    }
    else
    {
        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:APP_NAME message:@"This feature requires that you have installed Whatsapp" delegate:nil cancelButtonTitle:@"Close" otherButtonTitles:nil, nil];
        [alert show];
    }
}

- (void)documentInteractionController:(UIDocumentInteractionController *)controller didEndSendingToApplication:(NSString *)application
{

  //La imagen se mandocon exito a instagram, la borramos del directorio porque en realidad no tiene que seguir ahi
    NSString *documentsDirectory = [NSHomeDirectory() stringByAppendingPathComponent:@"Documents"];
    NSString *path = [documentsDirectory stringByAppendingPathComponent:@"InstagramImage.igo"];
    NSError *error = nil;
    [[NSFileManager defaultManager] removeItemAtPath:path error:&error];
}