73 lines
2.8 KiB
C#
73 lines
2.8 KiB
C#
using SharpChat.Protocol.SockChat.Packets;
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using SharpChat.Users;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace SharpChat.Protocol.SockChat.Commands {
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public class NickCommand : ICommand {
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private const string NAME = @"nick";
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private UserManager Users { get; }
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private IUser Sender { get; }
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public NickCommand(UserManager users, IUser sender) {
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Users = users ?? throw new ArgumentNullException(nameof(users));
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Sender = sender ?? throw new ArgumentNullException(nameof(sender));
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}
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public bool IsCommandMatch(string name, IEnumerable<string> args)
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=> name == NAME;
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public bool DispatchCommand(CommandContext ctx) {
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bool setOthersNick = ctx.User.Can(UserPermissions.SetOthersNickname);
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if(!setOthersNick && !ctx.User.Can(UserPermissions.SetOwnNickname)) {
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ctx.Connection.SendPacket(new CommandNotAllowedErrorPacket(Sender, NAME));
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return true;
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}
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if(setOthersNick && long.TryParse(ctx.Args.ElementAtOrDefault(1), out long targetUserId) && targetUserId > 0) {
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Users.GetUser(targetUserId, user => DoCommand(ctx, 2, user));
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} else
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DoCommand(ctx);
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//string previousName = targetUser == ctx.User ? (targetUser.NickName ?? targetUser.UserName) : null;
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//Users.Update(targetUser, nickName: nickStr);
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// both of these need to go in ChannelUsers
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//ctx.Channel.SendPacket(new UserNickChangePacket(Sender, previousName, targetUser.GetDisplayName()));
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//ctx.Channel.SendPacket(new UserUpdatePacket(targetUser));
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return true;
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}
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private void DoCommand(CommandContext ctx, int offset = 1, ILocalUser targetUser = null) {
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targetUser ??= ctx.User;
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if(ctx.Args.Count() < offset) {
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ctx.Connection.SendPacket(new CommandFormatErrorPacket(Sender));
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return;
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}
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string nickStr = string.Join('_', ctx.Args.Skip(offset)).CleanNickName().Trim();
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if(nickStr.Equals(targetUser.UserName, StringComparison.InvariantCulture))
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nickStr = null;
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else if(nickStr.Length > 15)
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nickStr = nickStr.Substring(0, 15);
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else if(string.IsNullOrEmpty(nickStr))
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nickStr = null;
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if(nickStr != null)
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Users.GetUser(nickStr, user => {
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if(user != null)
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ctx.Connection.SendPacket(new NickNameInUseErrorPacket(Sender, nickStr));
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else
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Users.Update(targetUser, nickName: nickStr);
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});
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else
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Users.Update(targetUser, nickName: string.Empty);
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}
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}
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}
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