Support for change set notifications. about realm-swift HOT 4 CLOSED

@interface ToDoItem : RLMObject
@property NSString *uuid;
@property NSString *name;
@end

@implementation ToDoItem : RLMObject
@end

@interface ToDoListViewController : UITableViewController
@property (nonatomic, strong) RLMRealm *realm;
@property (nonatomic, strong) NSMutableDictionary *changes;
@end

@implementation ToDoListViewController : UITableViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Set realm notification block
    __weak typeof(self) weakSelf = self;
    [RLMRealm.defaultRealm addNotificationBlock:^(NSString *note, RLMRealm *realm) {
        NSLog(@"added: %@\nremoved: %@", weakSelf.changes[@"added"], weakSelf.changes[@"removed"]);
        // Process changes (animate insertions, deletions, reorderings, etc.)
        weakSelf.changes = [NSMutableDictionary dictionary]; // reset the changes dictionary
    }];
}

- (void)addTodoItemWithName:(NSString *)name {
    [self.realm beginWriteTransaction];
    ToDoItem *todoItem = [ToDoItem new];
    todoItem.name = name;
    todoItem.uuid = [[NSUUID UUID] stringValue];
    [self.realm addObject:todoItem];
    [self.realm commitWriteTransaction];
    [changes[@"added"] addObject:todoItem.uuid];
}

- (void)removeItemWithUUID:(NSString *)uuid {
    [realm beginWriteTransaction];
    [realm deleteObject:[[ToDoItem objectsWhere:@"uuid == %@", uuid] firstObject]];
    [realm commitWriteTransaction];
    [changes[@"removed"] addObject:uuid];
}

@end