Parse.com Push Notifications

- (void)uploadMessage {

    NSData *fileData;
    NSString *fileName;
    NSString *fileType;

    // check if image or video
    if (self.image != nil) {
        // if image, shrink it
        // future: detect size of iphone and resize accordingly
        UIImage *newImage = [self resizeImage:self.image toWidth:320.0f andHeight:480.0f];
        fileData = UIImagePNGRepresentation(newImage);
        fileName = @"image.png";
        fileType = @"image";
    } else {
        // video
        fileData = [NSData dataWithContentsOfFile:self.videoFilePath];
        fileName = @"video.mov";
        fileType = @"video";
    }

    PFFile *file = [PFFile fileWithName:fileName data:fileData];
    [file saveInBackgroundWithBlock:^(BOOL succeeded, NSError *error) {

//        error = [[NSError alloc] init]; // to check for errors... comment to run!!!!

        if (error) {
            UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"An error occured" message:@"Please try sending your message again" delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil, nil];

            [alertView show];
        } else {
            // file is on Parse.com!
            PFObject *message = [PFObject objectWithClassName:@"Messages"];
            [message setObject:file forKey:@"file"];
            [message setObject:fileType forKey:@"fileType"];
            [message setObject:self.imageOrVideoRecipients forKey:@"recipientIds"];
            [message setObject:[[PFUser currentUser] objectId] forKey:@"senderId"];
            [message setObject:[[PFUser currentUser] username] forKey:@"senderEmail"];

            NSString *firstName = [[PFUser currentUser] objectForKey:@"firstName"];
            NSString *lastName = [[PFUser currentUser] objectForKey:@"lastName"];
            [message setValue:[NSString stringWithFormat:@"%@ %@", firstName, lastName] forKey:@"senderFullName"];

            [message setValue:[[PFUser currentUser] objectForKey:@"companyName"] forKey:@"senderCompany"];


            [message saveInBackgroundWithBlock:^(BOOL succeeded, NSError *error) {
                if (error) {
                    UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"An error occured" message:@"Please try sending your message again" delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil, nil];

                    [alertView show];
                } else {
                    // everything was successful!

                    //push code
                    PFQuery *pushQuery = [PFInstallation query];

                    PFQuery *recipients = [PFUser query];
                    [recipients whereKey:@"objectId" containedIn:self.imageOrVideoRecipients];
                    NSLog(@"%@", recipients);

                    //send to msg recipients
                    [pushQuery whereKey:@"user" matchesQuery:recipients];

                    NSLog(@"query %@", pushQuery);
                    NSLog(@"sent to: %@", self.imageOrVideoRecipients);

                    // Send push notification to query
                    NSString *companyName = [[PFUser currentUser] objectForKey:@"companyName"];
                    NSString *firstName = [[PFUser currentUser] objectForKey:@"firstName"];
                    NSString *lastName = [[PFUser currentUser] objectForKey:@"lastName"];
                    NSString *fullName = [NSString stringWithFormat:@"%@ %@", firstName, lastName];
                    NSDictionary *data = @{
                                           @"alert" : [NSString stringWithFormat:@"%@ : %@", fullName,companyName],
                                           @"badge" : @"Increment",
                                           @"sound" : UILocalNotificationDefaultSoundName
                                           };
                    PFPush *push = [[PFPush alloc] init];
                    [push setQuery:pushQuery]; // Set our Installation query
                    [push setData:data];
                    [push sendPushInBackground];

                    //end push code


                    // dont do anything other than display a success message...user is already taken to inbox tab
                    [self reset];

                    UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:nil message:@"Message sent successfully" delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil, nil];

                    [alertView show];
                }
            }];
        }
    }];
}