gistfile1.m

-(void) fetchCustomerForPayment
{
    // Retrieve Customer associated with a self.ppsPayment
    [MMProgressHUD showWithTitle:@"Looking for customer information..."];
    
    [self.ppsPayment getCustomerWithCompletion:^(BOOL success, PPSCustomer *customer, NSError *error) {
        
        self.customer = customer;
        
        if (success) {
            DDLogInfo(@"getCustomerWithCompletion returned with success");
            
            [MMProgressHUD showWithTitle:@"Looking for customer information...."];
            
            [self.customer findContactsWithCompletion:^(BOOL success, NSArray *contacts, NSError *error) {
                [MMProgressHUD dismiss];

                
                if (success) {
                    [[PPSDataManager sharedInstance] addContacts:contacts];
                } else {
                    DDLogInfo(@"findContactsWithCompletion returned with error: %@", error.localizedDescription);
                }
            }];
            
        } else {
            [MMProgressHUD dismiss];
            DDLogInfo(@"getCustomerWithCompletion returned with error: %@", error.localizedDescription);
            // I guess it is not a big deal we were not able to "pre-fill" table with known destination recipients,
            // more manual typing for customer, but no need to bombard users with error message.
        }
        [self.tableView reloadData];
    }];
}