Hi there. I am making the Ribbit App. I can log in /out and sign up users. I have my list of friends as well. But I have an issue when I try to select my friends. Looks like there is certain in the execute command because when I try to change my friends is not really update as i want.

``òbjective-c // // EditFriendsTableViewController.m // Ribbit // // Created by mlabarga on 31/07/14. // Copyright (c) 2014 mayte. All rights reserved. //

import "EditFriendsTableViewController.h"

import <Parse/Parse.h>

@interface EditFriendsTableViewController ()

@end

@implementation EditFriendsTableViewController

• (void)viewDidLoad { [super viewDidLoad]; PFQuery *query =[PFUser query]; [query orderByAscending:@"username"]; [query findObjectsInBackgroundWithBlock:^(NSArray *objects, NSError *error) { if (error) { NSLog(@"Error: %@ %@",error, [error userInfo]); } else { self.allUsers = objects; [self.tableView reloadData]; } }];

  self.currentUser =[PFUser currentUser]; }

pragma mark - Table view data source

• (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { // Return the number of sections. return 1; }

• (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { // Return the number of rows in the section. return [self.allUsers count]; }

• (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier =@"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier forIndexPath:indexPath];

  PFUser *user = [self.allUsers objectAtIndex:indexPath.row]; cell.textLabel.text =user.username;

  if ([self isFriend:user]) { cell.accessoryType =UITableViewCellAccessoryCheckmark; }

  else { cell.accessoryType =UITableViewCellAccessoryNone; }

  return cell; }

pragma mark - Table view delegate

• (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {

  [self.tableView deselectRowAtIndexPath:indexPath animated:NO];

  UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];

  PFUser *user = [self.allUsers objectAtIndex:indexPath.row]; PFRelation *friendsRelation = [self.currentUser relationForKey:@"friendsRelation"];

  if ([self isFriend:user]) { cell.accessoryType = UITableViewCellAccessoryNone;

  for (PFUser *friend in self.friends) {
      if ([friend.objectId isEqualToString:user.objectId]) {
          [self.friends removeObject:friend];
          break;
      }
  }
  
  [friendsRelation removeObject:user];
  

  }

  else {

  cell.accessoryType =UITableViewCellAccessoryCheckmark;
  [self.friends addObject:user];
  [friendsRelation addObject:user];
  [self.currentUser saveInBackgroundWithBlock:^(BOOL succeeded, NSError *error) {
      if (error) {
          NSLog(@"Error: %@ %@", error, [error userInfo]);
      }
  }];
  

  }

}

pragma mark - Helper methods

-(BOOL)isFriend:(PFUser *)user {

for (PFUser *friend in self.friends) {
    if ([friend.objectId isEqualToString:user.objectId]) {
        return YES;
    }
}
return NO;

}

@end