gistfile1.m

- (void)saveUserConsDetails:(NSArray*)userCons {
    NSManagedObjectContext *moc = self.managedObjectContext;
    NSMutableSet *usersConSet = [[NSMutableSet alloc] init];
    if ([NSNull null] != (id)userCons && 0 < [userCons count]) {
        UserCon *userCon = nil;
        NSString *userConId = nil;
        for (NSDictionary* userConData in userCons) {
            userConId = [userConData valueForKeyPath:@"UserCon._id"];
          
                    NSLog(@"saveUserConsDetails: %@ with id %@", [userConData valueForKeyPath:@"User.firstname"], userConId);

            userCon = [UserCon getUserConWithId:userConId withManagedObjectContext:moc];
            if (userCon) {
              NSLog(@"usercon exists");
                [userCon setUserConDetails:[userConData valueForKeyPath:@"UserCon"]];
            } else {
              NSLog(@"usercon new");
                userCon = [UserCon createWithDictionary:[userConData valueForKey:@"UserCon"] inManagedObjectContext:moc];
            }
            
            User *user = [User getUserWithId:[userConData valueForKeyPath:@"User._id"] withManagedObjectContext:moc];
          if (user) {
            NSLog(@"user exists");
                [user setUserDetails:[userConData valueForKey:@"User"]];
          } else {
            NSLog(@"user does not exist");
                user = [User createWithDictionary:[userConData valueForKey:@"User"] inManagedObjectContext:moc];
            NSLog(@"created a user with name %@", user.firstname);
            }
            userCon.user = user;
          NSLog(@"yes, we truly created a user in userCon called %@", userCon.user.firstname);
            [usersConSet addObject:userCon];
          for(UserCon *uc in usersConSet) {
            NSLog(@"added object.. heres all: user from con: %@", uc.user.fullName);
          }
        }
    }
  
  
  NSLog(@"user cons set from dict...");
  for(UserCon *uc in usersConSet) {
    NSLog(@"user from con: %@", uc.user.fullName);
  }
  
    self.user_cons = usersConSet;
  

  
    [usersConSet release];
    
    NSError *error;
    [moc save:&error];
  
  
  for(UserCon *uc in self.user_cons) {
    NSLog(@"user.user from con: %@", uc.user.fullName);
  }
  
}