/// <summary>
/// Notify all followers of a user that a new vlog was posted.
/// </summary>
/// <remarks>
/// A notification background task is dispatched to the
/// <see cref="DispatchManager"/> for each follower.
/// </remarks>
/// <param name="vlogOwnerUserId">Owner of the vlog.</param>
/// <param name="vlogId">The posted vlog id.</param>
public virtual async Task NotifyFollowersVlogPostedAsync(Guid vlogOwnerUserId, Guid vlogId)
{
_logger.LogTrace($"Notifying followers that {vlogOwnerUserId} posted vlog {vlogId}");
await foreach (var user in _userRepository.GetFollowersAsync(vlogOwnerUserId, Navigation.All))
{
var notification = _notificationFactory.BuildFollowedProfileVlogPosted(user.Id, vlogId, vlogOwnerUserId);
_logger.LogTrace($"Notifying follower {user.Id} that {vlogOwnerUserId} posted a vlog");
_dispatchManager.Dispatch <NotifyBackgroundTask <DataFollowedProfileVlogPosted> >(notification);
}
}