sharp-chat/SharpChat/Packet/ContextUsersPacket.cs

34 lines
935 B
C#
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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() {
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StringBuilder sb = new();
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sb.Append('7');
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sb.Append('\t');
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sb.Append('0');
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sb.Append('\t');
sb.Append(Users.Count());
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foreach(ChatUser user in Users) {
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sb.Append('\t');
sb.Append(user.Pack());
sb.Append('\t');
sb.Append('1'); // visibility flag
}
yield return sb.ToString();
}
}
}