public IActionResult AllAvatars()
        {
            var avatarsFolrdPath = _pathHelper.GetPathToAvatarFolder();
            var filesPath        = Directory.GetFiles(avatarsFolrdPath);
            var models           = filesPath
                                   .Where(filePath => Path.GetExtension(filePath) == ".jpg")
                                   .Select(filePath => Path.GetFileName(filePath))
                                   .Select(fileName => new AvatarsAdminViewModel()
            {
                Url = _pathHelper.GetAvatarUrlByFileName(fileName)
            }).ToList();

            var users = _userRepository.GetAll();

            foreach (var model in models)
            {
                var user = users.SingleOrDefault(x => x.AvatarUrl == model.Url);
                model.UserId = user?.Id ?? -1;
            }
            return(View(models));
        }