public async Task <IActionResult> DownloadLogoAsync(ClanId clanId)
{
var clan = await _clanService.FindClanAsync(clanId);
if (clan == null)
{
return(this.NotFound("Clan doesn't exist."));
}
var logo = await _clanService.DownloadLogoAsync(clan);
if (logo.Length == 0)
{
return(this.NoContent());
}
return(this.File(logo, "application/octet-stream"));
}