public async Task UpdateAvatarAsync(string userId, Stream fileStream)
{
using (var image = Image.Load(fileStream))
{
PrepareImage(image);
using (var outStream = new MemoryStream())
{
image.SaveAsJpeg(outStream);
await _avatarRepository.SaveAvatarStreamAsync(userId, outStream);
// set new tail when avatar has changed. Set new random value in range 0..9999 to ignore cache response
await _userRepository.UpdateAvatarTailAsync(userId, (int)(DateTime.UtcNow.Ticks % 10_000));
}
}
}
