sharp-chat/SharpChat/ChatChannel.cs

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2.6 KiB
C#
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using System;
using System.Collections.Generic;
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using System.Linq;
using System.Text;
namespace SharpChat {
public class ChatChannel : IPacketTarget {
public string Name { get; set; }
public string Password { get; set; } = string.Empty;
public bool IsTemporary { get; set; } = false;
public int Rank { get; set; } = 0;
public ChatUser Owner { get; set; } = null;
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private List<ChatUser> Users { get; } = new();
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public bool HasPassword
=> !string.IsNullOrWhiteSpace(Password);
public string TargetName => Name;
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public ChatChannel() { }
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public ChatChannel(string name) {
Name = name;
}
public bool HasUser(ChatUser user) {
return Users.Contains(user);
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}
public void UserJoin(ChatUser user) {
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if(!user.InChannel(this)) {
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// Remove this, a different means for this should be established for V1 compat.
user.Channel?.UserLeave(user);
user.JoinChannel(this);
}
if(!HasUser(user))
Users.Add(user);
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}
public void UserLeave(ChatUser user) {
Users.Remove(user);
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if(user.InChannel(this))
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user.LeaveChannel(this);
}
public void Send(IServerPacket packet) {
foreach(ChatUser user in Users)
user.Send(packet);
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}
public IEnumerable<ChatUser> GetUsers(IEnumerable<ChatUser> exclude = null) {
IEnumerable<ChatUser> users = Users.OrderByDescending(x => x.Rank);
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if(exclude != null)
users = users.Except(exclude);
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return users.ToList();
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}
public string Pack() {
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StringBuilder sb = new();
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sb.Append(Name);
sb.Append('\t');
sb.Append(string.IsNullOrEmpty(Password) ? '0' : '1');
sb.Append('\t');
sb.Append(IsTemporary ? '1' : '0');
return sb.ToString();
}
public bool NameEquals(string name) {
return string.Equals(name, Name, StringComparison.InvariantCultureIgnoreCase);
}
public override int GetHashCode() {
return Name.GetHashCode();
}
public static bool CheckName(string name) {
return !string.IsNullOrWhiteSpace(name) && name.All(CheckNameChar);
}
public static bool CheckNameChar(char c) {
return char.IsLetter(c) || char.IsNumber(c) || c == '-' || c == '_';
}
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}
}