public bool UnmarkAsSpam(DateTime at, IUser byUser)
{
Check.Argument.IsNotInvalidDate(at, "at");
Check.Argument.IsNotNull(byUser, "byUser");
if (CanUnmarkAsSpam(byUser))
{
var spam = this.GetMarkAsSpam(byUser);
this.UnmarkSpam(spam);
StoryMarkAsSpamsInternal.Remove((StoryMarkAsSpam)spam);
LastActivityAt = at;
return(true);
}
return(false);
}
