public async Task <Response> InvokeAsync(RawCommand command, ILazySocketClient client, ulong channelId, ulong userId)
{
if (client == null)
{
throw new ArgumentNullException(nameof(client));
}
var channel = await client.TryGetMessageChannelAsync(channelId);
var user = await client.TryGetUserAsync(userId);
if (channel == null || user == null)
{
return(Response.None);
}
if (command == null)
{
return(Response.None);
}
if (!CanInvoke(command))
{
return(Response.None);
}
if (command.HasDuplicateOption)
{
return(await Response.TryCreateCautionAsync(client, "同名のオプションが複数あります。", channelId, userId));
}
var usedCommand = new HashSet <CommandOption>(new RefereneEqualsEqualityComparer <CommandOption>());
foreach (var pair in command.Options)
{
var found = (Options ?? new CommandOption[] { }).FirstOrDefault(option => option.Keys.Contains(pair.name));
if (found == null)
{
return(await Response.TryCreateCautionAsync(client, Texts.Error.Commands.Options.ContainsNotSupportedOption(pair.name), channelId, userId) ?? Response.None);
}
if (!usedCommand.Add(found))
{
return(await Response.TryCreateCautionAsync(client, "同じ意味のオプションが複数あります。", channelId, userId));
}
var result = found.SetValue(pair.name, pair.values);
if (!result.HasValue)
{
return(await Response.TryCreateCautionAsync(client, result.Error ?? $"{pair.name} の値としてサポートしていない形式が使われています。", channelId, userId));
}
}
return(await InvokeCoreAsync(client, channel, user) ?? Response.None);
}
private static async Task <Response> TryCreateAsync(ResponseType type, ILazySocketClient client, string message, ulong channelId, ulong?userIdOfReplyTo = null)
{
var channel = await client.TryGetMessageChannelAsync(channelId);
if (userIdOfReplyTo == null)
{
return(TryCreate(type, message, channel));
}
var replyTo = await client.TryGetUserAsync(userIdOfReplyTo.Value);
if (replyTo == null)
{
return(null);
}
return(TryCreate(type, message, channel, replyTo));
}