public async Task OnRequest(PurgeOldMediaRequestEvent request)
{
Logger.LogMessage("Purge media update: {0}, User: {1}", request.UpTo, request.User.UserId);
var userId = request.User.UserId;
// Load all the media items before the specific date to delete.
var mediaItems = await _mediaService.LoadByUserAsync(userId, userId, DateTime.MinValue, request.UpTo, 0, 1000);
Logger.LogMessage("Found {0} media items to purge for user: {1}", mediaItems.Count, userId);
if (mediaItems.Count > 1000)
{
Logger.LogWarn("Found a lot ({0} of historical media items purging for user: {1}", mediaItems.Count, userId);
}
foreach (var mediaItem in mediaItems)
{
Logger.LogMessage("Deleting item {0}. User: {1}", mediaItem.Id, mediaItem.UserId);
await _mediaService.DeleteAsync(mediaItem);
}
// This limits the max items that can be deleted to 100,000, which hopefully is enough.
// the prevents a possible never ending situation of purging if it's going wrong.
if (mediaItems.Count >= 1000 && request.Attempt < 100)
{
request.Attempt++;
Logger.LogWarn("Found to many media items to delete in one go. Sending another request... Attempt: {0}", request.Attempt);
// Republish the request as theirs still more to delete!
await _bus.PublishAsync(request);
}
}
public async Task OnMessageAsync(DeviceDeletedEvent deviceDeletedEvent)
{
var device = deviceDeletedEvent.Device;
Logger.LogMessage("Device deleted event: UserId: {0}", device.UserId);
PurgeOldMediaRequestEvent purgeOldMediaRequest = new PurgeOldMediaRequestEvent
{
UpTo = DateTime.UtcNow,
User = deviceDeletedEvent.Device
};
await _bus.PublishAsync(purgeOldMediaRequest);
}
public async Task OnMessageAsync(MemberDeletedEvent memberDeletedEvent)
{
var user = memberDeletedEvent.User;
Logger.LogMessage("Member deleted event: UserId: {0}", user.UserId);
PurgeOldMediaRequestEvent purgeOldMediaRequest = new PurgeOldMediaRequestEvent
{
UpTo = DateTime.UtcNow,
User = memberDeletedEvent.User
};
await _bus.PublishAsync(purgeOldMediaRequest);
}
