ManuallyAddAccounts.m

- (IBAction)remove:(id)sender {
    if (self.rdcAccountsFRC.fetchedObjects.count < 1) {
        return;
    }

    BNModelController *const modelController = [BNModelController new];

    // BGLManagedObjectContextHolder has helpful methods, particularly related to saving changes to the context
    // (i.e., persisting data to disk).
    BGLManagedObjectContextHolder *const mainContextHolder = modelController.stack.mainContextHolder;

    // This makes modifications to the main thread NSManagedObjectContext in a synchronous way and saves them to disk.
    [mainContextHolder performWithAutoSaveInContextAndWait:^ (NSManagedObjectContext *context) {
        // Using the find-or-create pattern to make BGLManagedCard instances with unique identifiers.

        BGLManagedAccount *account = self.rdcAccountsFRC.fetchedObjects[0];
        [context deleteObject:account];
    }];

}

- (IBAction)add:(id)sender {
    BNModelController *const modelController = [BNModelController new];

    // Anything can be created using the find-or-create pattern of helper methods in BGLManagedObjectRepository(Enhance).
    BGLManagedObjectRepository *const repository = modelController.repository;

    // BGLManagedObjectContextHolder has helpful methods, particularly related to saving changes to the context
    // (i.e., persisting data to disk).
    BGLManagedObjectContextHolder *const mainContextHolder = modelController.stack.mainContextHolder;
    BGLManagedUser *const activeUser = [modelController activeUser];

    // This makes modifications to the main thread NSManagedObjectContext in a synchronous way and saves them to disk.
    [mainContextHolder performWithAutoSaveInContextAndWait:^ (NSManagedObjectContext *context) {
        // Using the find-or-create pattern to make BGLManagedCard instances with unique identifiers.

        NSInteger randomID = arc4random() %100;
        BGLManagedAccount *account = [repository findOrCreateAccountWithID:[NSString stringWithFormat:@"account%li", (long)randomID] inContext:context];
        [account setValue:@"Fake Account" forKey:@"name"];
        [account setValue:@"1234" forKey:@"numbers"];
        [account setValue:activeUser.primaryInstitution forKey:@"institution"];
        [account setValue:activeUser forKey:@"user"];
        [account setValue:@(YES) forKey:@"canEnrollInRDC"];
    }];
}