sharp-chat/SharpChat/Commands/AFKCommand.cs

34 lines
1.1 KiB
C#

using System.Globalization;
using System.Text;
namespace SharpChat.Commands {
public class AFKCommand : ChatCommand {
private const string DEFAULT = "AFK";
public const int MAX_GRAPHEMES = 5;
public const int MAX_BYTES = MAX_GRAPHEMES * 10;
public bool IsMatch(ChatCommandContext ctx) {
return ctx.NameEquals("afk");
}
public void Dispatch(ChatCommandContext ctx) {
string? statusText = ctx.Args.FirstOrDefault();
if(string.IsNullOrWhiteSpace(statusText))
statusText = DEFAULT;
else {
statusText = statusText.Trim();
StringInfo sti = new(statusText);
if(Encoding.UTF8.GetByteCount(statusText) > MAX_BYTES
|| sti.LengthInTextElements > MAX_GRAPHEMES)
statusText = sti.SubstringByTextElements(0, Math.Min(sti.LengthInTextElements, MAX_GRAPHEMES)).Trim();
}
ctx.Chat.UpdateUser(
ctx.User,
status: ChatUserStatus.Away,
statusText: statusText
);
}
}
}