public static async Task <Tuple <DbRef, ObjectBase> > MatchObjectAsync([CanBeNull] Player player, [NotNull] ICacheClient redis, [CanBeNull] string text, CancellationToken cancellationToken)
{
// Did they provide a DbRef?
DbRef reference;
if (DbRef.TryParse(text, out reference))
{
// Only return the reference if the object exists.
var lookup = await ObjectBase.GetAsync(redis, reference, cancellationToken);
return(lookup == null
? new Tuple <DbRef, ObjectBase>(DbRef.FailedMatch, null)
: new Tuple <DbRef, ObjectBase>(reference, lookup));
}
// Is it a special pronoun?
if (string.Compare(text, "me", StringComparison.InvariantCultureIgnoreCase) == 0)
{
return(player == null
? new Tuple <DbRef, ObjectBase>(DbRef.FailedMatch, null)
: new Tuple <DbRef, ObjectBase>(player.DbRef, player));
}
if (string.Compare(text, "here", StringComparison.InvariantCultureIgnoreCase) == 0)
{
return(player == null || player.Location.Equals(DbRef.Nothing)
? new Tuple <DbRef, ObjectBase>(DbRef.FailedMatch, null)
: new Tuple <DbRef, ObjectBase>(player.Location, await ObjectBase.GetAsync(redis, player.Location, cancellationToken)));
}
return(await MatchTypeAsync <ObjectBase>(player, redis, text, cancellationToken));
}