// U header fajlu definises delegate:
<RKRequestDelegate>

// u didFinishLaunching inicijalizujes singletone objekat RKClient i setujes domen za service:
    RKClient *client = [RKClient clientWithBaseURL:@"http://taksiko.com"];


// u implementaciji ovako posaljes zahtev:
    userParams = [NSDictionary dictionaryWithObjectsAndKeys:[defaults objectForKey:@"login"], @"table_number", [defaults objectForKey:@"password"], @"driver_password", nil];
    [RKClient sharedClient].username = @"mladjan";
    [RKClient sharedClient].password = @"password";
    [RKClient sharedClient].forceBasicAuthentication = YES; 
    [[RKClient sharedClient] post:@"/api/driver_login.json" params:userParams delegate:self];

// A u delegate metodi primas sve response i ispitujes od kog je request-a (ja imam vise requesta u sigleton klasi
#pragma mark - Responses
- (void)request:(RKRequest*)request didLoadResponse:(RKResponse*)response {  
    if([request params] == userParams){
        if([[response bodyAsString] isEqualToString:@"ERROR"]){
            logedIn = FALSE;
            [[NSNotificationCenter defaultCenter] postNotificationName:@"presentLoginView" object:nil];
            NSLog(@"Login: %@", [response bodyAsString]);
        }else{
            NSLog(@"Dobar je mali!");
        }
    } else if([request params] == stateParams){
        [[NSNotificationCenter defaultCenter] postNotificationName:@"removeLoading" object:nil];
        
        if([response statusCode] != 200 || [[response bodyAsString] isEqualToString:@"ERROR"]){
            
            UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Oups" message:@"Sorry, but I can't change your state. Try again." 
                                                           delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil];
            [alert show];
            [alert release];
        }else if([response statusCode] == 200){
            NSDictionary *responseDictionary = [[response bodyAsString] objectFromJSONString];
            currentState = (int)[responseDictionary objectForKey:@"state"];
        }
    } else if([request params] == locationParams){
        if([[response bodyAsString] isEqualToString:@"OK"]){
            NSLog(@"Location updated");
        }else if([[response bodyAsString] isEqualToString:@"ERROR"]){
            NSLog(@"Location not updated!!!!");
        }
    }
    
    
}