/// <summary>
/// Called when a vlog has been uploaded. This will
/// publish the vlog and notify all followers.
/// </summary>
/// <remarks>
/// <para>
/// The vlog will be owned by the current user.
/// </para>
/// <para>
/// If the video file or thumbnail file does not
/// exist in our blob storage this throws a
/// <see cref="FileNotFoundException"/>.
/// </para>
/// </remarks>
/// <param name="context">Context for posting the vlog.</param>
public async Task PostVlogAsync(PostVlogContext context)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
if (!await _blobStorageService.FileExistsAsync(StorageConstants.VlogStorageFolderName, StorageHelper.GetVideoFileName(context.VlogId)))
{
throw new FileNotFoundException();
}
if (!await _blobStorageService.FileExistsAsync(StorageConstants.VlogStorageFolderName, StorageHelper.GetThumbnailFileName(context.VlogId)))
{
throw new FileNotFoundException();
}
var vlog = new Vlog
{
Id = context.VlogId,
IsPrivate = context.IsPrivate,
UserId = context.UserId,
};
await _vlogRepository.CreateAsync(vlog);
// TODO AppContext.UserId returned Guid.Empty. Why? --> context.UserId will work.
// This function will dispatch a notification for each follower.
await _notificationService.NotifyFollowersVlogPostedAsync(context.UserId, context.VlogId);
}
public IActionResult PostVlog([FromServices] DispatchManager dispatchManager, [FromServices] Core.AppContext appContext, [FromBody] VlogDto input)
{
// Act.
var postVlogContext = new PostVlogContext
{
IsPrivate = input.IsPrivate,
UserId = appContext.UserId,
VlogId = input.Id,
};
dispatchManager.Dispatch <PostVlogBackgroundTask>(postVlogContext);
// Return.
return(NoContent());
}
