public async Task <ActionResult> Follow(int companyId)
        {
            var userId = Guid.Parse(User.GetClaimValue("Id"));
            await _followersService.CreateAsync(companyId, userId);

            var follower = _followersService.Get(companyId, userId);

            _notificationService.Create(NotificationType.Email, EventType.NewFollower, follower.Id);
            return(RedirectToAction("Details", "Business", new { id = companyId }));
        }