sharp-chat/SharpChat/ChatChannel.cs

86 lines
2.4 KiB
C#

using System;
using System.Collections.Generic;
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;
private List<ChatUser> Users { get; } = new();
public bool HasPassword
=> !string.IsNullOrWhiteSpace(Password);
public string TargetName => Name;
public ChatChannel() { }
public ChatChannel(string name) {
Name = name;
}
public bool HasUser(ChatUser user) {
return Users.Contains(user);
}
public void UserJoin(ChatUser user) {
if(!user.InChannel(this)) {
// 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);
}
public void UserLeave(ChatUser user) {
Users.Remove(user);
if(user.InChannel(this))
user.LeaveChannel(this);
}
public IEnumerable<ChatUser> GetUsers(IEnumerable<ChatUser> exclude = null) {
IEnumerable<ChatUser> users = Users.OrderByDescending(x => x.Rank);
if(exclude != null)
users = users.Except(exclude);
return users.ToList();
}
public string Pack() {
StringBuilder sb = new();
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 == '_';
}
}
}