Get contacts

gistfile1.m

- (void)getContacts {
    NSUserDefaults *zapData = [NSUserDefaults alloc];
    double distance;
    if ([[zapData objectForKey:@"distanceFilter"]isEqualToString:@"50 Yards"]) {
        distance = 0.0284090909;
    }
    else if ([[zapData objectForKey:@"distanceFilter"]isEqualToString:@"100 Yards"]) {
        distance = 0.0568181818;
    }
    else if ([[zapData objectForKey:@"distanceFilter"]isEqualToString:@"500 Yards"]) {
        distance = 0.284090909;
    }
    else if ([[zapData objectForKey:@"distanceFilter"]isEqualToString:@"1 Mile"]) {
        distance = 1;
    }
    else if ([[zapData objectForKey:@"distanceFilter"]isEqualToString:@"5 Miles"]) {
        distance = 5;
    }
    else if ([[zapData objectForKey:@"distanceFilter"]isEqualToString:@"10 Miles"]) {
        distance = 10;
    }
    else if ([[zapData objectForKey:@"distanceFilter"]isEqualToString:@"Infinity"]) {
        distance = 25000;
    }
    else {
        distance = 1;
    }
    if (point != NULL) {
        //[SVProgressHUD showWithStatus:@"Loading Contacts"];
        PFQuery *getUsers = [PFQuery queryWithClassName:@"cardLocation"];
        // Interested in locations near user.
        NSNumber *limit = [NSNumber numberWithInt:1000];
        [getUsers setLimit:limit];
        [getUsers whereKey:@"location" nearGeoPoint:point withinMiles:distance];
        [getUsers whereKey:@"updatedAt" greaterThan:[NSDate dateWithTimeIntervalSinceNow:-1800]];
        [getUsers findObjectsInBackgroundWithBlock:^(NSArray *objects, NSError *error) {
            if (!error) {
                NSLog(@"%d", objects.count);
                resultSet = [[NSMutableArray alloc]initWithCapacity:1];
                //NSLog(@"Successfully retrieved %d record.", objects.count);
                for (PFObject *cardLocation in objects) {
                    PFObject *card = [cardLocation objectForKey:@"card"];
                    if ([[card objectForKey:@"broadcasting"]isEqualToString:@"1"] && [[card objectForKey:@"active"]isEqualToString:@"1"]) {
                        NSString *cardOwnerIdString = [[card objectForKey:@"cardOwner"] objectId];
                        //NSLog(@"Card Owner: %@", cardOwnerIdString);
                        NSString *currentUserIdString = [currentUser objectId];
                        //NSLog(@"Current User: %@", currentUserIdString);
                        if (![cardOwnerIdString isEqualToString:currentUserIdString]) {
                            //NSLog(@"%@", @"Not Current User!");
                            if (card != nil) {
                                [resultSet addObject:card];
                            }
                        }
                    }
                }
                [self setContentsList:resultSet];
                [self performSelector:@selector(doneLoadingTableViewData) withObject:nil afterDelay:0.0];
                [resultTableView reloadData];
                [SVProgressHUD dismiss];
            }
            else {
                NSLog(@"%@", [error valueForKey:@"UserInfo"]);
                [self performSelector:@selector(doneLoadingTableViewData) withObject:nil afterDelay:0.0];
            }
        }];

    }
    else {
        [SVProgressHUD dismiss];
        [self performSelector:@selector(doneLoadingTableViewData) withObject:nil afterDelay:0.0];
        [self performSelector:@selector(setCardLocation) withObject:nil afterDelay:2.0];
        if (nil == locationManager) {
            locationManager = [[CLLocationManager alloc] init];
        }
        locationManager.delegate = self;
        locationManager.desiredAccuracy = kCLLocationAccuracyBest;
        
        // Set a movement threshold for new events.
        locationManager.distanceFilter = 50;
        [locationManager startUpdatingLocation];
    }

}