sharp-chat/SharpChat/Packet/ContextUsersPacket.cs
2023-02-07 16:01:56 +01:00

33 lines
935 B
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace SharpChat.Packet {
public class ContextUsersPacket : ServerPacket {
public IEnumerable<ChatUser> Users { get; private set; }
public ContextUsersPacket(IEnumerable<ChatUser> users) {
Users = users?.Where(u => u != null) ?? throw new ArgumentNullException(nameof(users));
}
public override IEnumerable<string> Pack() {
StringBuilder sb = new();
sb.Append('7');
sb.Append('\t');
sb.Append('0');
sb.Append('\t');
sb.Append(Users.Count());
foreach(ChatUser user in Users) {
sb.Append('\t');
sb.Append(user.Pack());
sb.Append('\t');
sb.Append('1'); // visibility flag
}
yield return sb.ToString();
}
}
}