-(void) alreadyAcceptedFriend:(VAPNotification*)notification completion:(void (^)(BOOL success))completionBlock {
    self.hud = [MBProgressHUD showHUDAddedTo:self.view animated:YES];
    self.hud.labelText = @"Loading...";
    self.hud.detailsLabelColor = [UIColor lightGrayColor];
    self.hud.color = VAPPY_PURPLE;

    [[ServerAPI sharedClient] getAllFriends:^(NSArray *info) {
        BOOL hasAccepted=YES;
        for (NSDictionary* friend in info) {
            if([friend hasKey:@"id"]){
                NSNumber* fRId=friend[@"id"];
                NSNumber* notFRId = notification.raw[@"friend_request_id"];
                if ([fRId isEqual:notFRId]) {
                    hasAccepted=NO;
                }
            }
        }
        completionBlock(hasAccepted);
    } andErrorBlock:^(NSError *error, AFHTTPRequestOperation *operation) {
        [self.hud hide:YES];
        completionBlock(FALSE);
    }];
}