Zap UI Blockage

gistfile1.m

 for (PFObject *card in objects) {
                PFObject *cards = [card objectForKey:@"card"];
                PFObject *userID = [[[card objectForKey:@"card"] objectForKey:@"cardOwner"] objectForKey:@"username"];
                NSString *currentUserNameString = [NSString stringWithFormat:@"%@", [currentUser objectForKey:@"username"]];
                NSString *fetchedUserNameString = [NSString stringWithFormat:@"%@", userID];
                if ([card objectForKey:@"card"] != nil) {
                    //only get cards if they are currently set to broadcasting
                    if ([[[card objectForKey:@"card"]objectForKey:@"active"]isEqualToString:@"1"]) {
                        if ([[[card objectForKey:@"card"]objectForKey:@"broadcasting"]isEqualToString:@"1"]) {
                            if (![currentUserNameString isEqualToString:fetchedUserNameString]) {
                                NSTimeInterval timeSinceLastUpdate = [card.updatedAt timeIntervalSinceNow];
                                //only display users if they've checked in less than 30 minutes ago
                                if (timeSinceLastUpdate > -1800) {
                                    [resultSet addObject:cards];
                                }
                            }
                        }
                    }
                }
                }