firebase-removal-code

#import <Firebase/Firebase.h>

#define kFirechatNS @"https://<your-firebase>.firebaseio.com/"

@interface SomethingViewController ()

@property (nonatomic, strong) Firebase* firebase;

- (void)startFirebaseEvents;
- (void)enterChannel;
- (void)exitChannel;

@end

@implementation SomethingViewController

- (void)viewDidLoad {
  [super viewDidLoad];
	// Do any additional setup after loading the view.
  
  [self startFirebaseEvents: @"someChannel"];
}

- (void)startFirebaseEvents:(NSString *)aChannel {
  NSString * path = [NSString stringWithFormat:@"%@channels/%@/", kFirechatNS, aChannel];
  self.firebase = [[Firebase alloc] initWithUrl: path];
  
  [self.firebase observeEventType:FEventTypeChildAdded withBlock:^(FDataSnapshot *snapshot) {
    NSString *userName = snapshot.name;
    NSDictionary *userData = snapshot.value;
    NSLog(@"User %@ has entered the channel", userData );
  }];

  [self.firebase observeEventType:FEventTypeChildRemoved withBlock:^(FDataSnapshot *snapshot) {
    NSString *userName = snapshot.name;
    NSDictionary *userData = snapshot.value;
    NSLog(@"User %@ has left the channel", userData );
  }]; 
}

- (void)enterChannel {  
  [[self.firebase childByAutoId] setValue: @{ @"something_id" : @(arc4random_uniform(100)) } ];
}

- (void)exitChannel {
  // Not sure where to go from here.????
}

@end