public async Task <ActionResult> UserSettings(UserSettingsModel model)
        {
            var userId = model.PostModel.UserId;
            var roles  = await _authorizationService.GetRolesAsync(userId);

            if (model.PostModel.IsApprovedStatusChanged)
            {
                if (roles.Contains(DefaultRole.ApprovedUser))
                {
                    await _authorizationService.DisapproveAsync(userId);
                }
                else
                {
                    await _authorizationService.ApproveAsync(userId);
                }
            }
            if (model.PostModel.IsRightsStatusChanged)
            {
                if (roles.Contains(DefaultRole.Admin))
                {
                    await _authorizationService.RemoveAdminAsync(userId);
                }
                else
                {
                    await _authorizationService.MakeAdminAsync(userId);
                }
            }
            if (model.PostModel.IsBanStatusChanged)
            {
                if (roles.Contains(DefaultRole.BannedUser))
                {
                    await _authorizationService.UnbanAsync(userId);
                }
                else
                {
                    await _authorizationService.BanAsync(userId);
                }
            }

            return(RedirectToAction("Admin", "Authorization"));
        }