62 lines
2.2 KiB
C#
62 lines
2.2 KiB
C#
using SharpChat.Events;
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using SharpChat.SockChat.PacketsS2C;
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using System.Linq;
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namespace SharpChat.SockChat.Commands {
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public class UserNickCommand : ISockChatClientCommand {
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public bool IsMatch(SockChatClientCommandContext ctx) {
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return ctx.NameEquals("nick");
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}
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public void Dispatch(SockChatClientCommandContext ctx) {
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bool setOthersNick = ctx.User.Permissions.HasFlag(UserPermissions.SetOthersNickname);
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if(!setOthersNick && !ctx.User.Permissions.HasFlag(UserPermissions.SetOwnNickname)) {
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ctx.Chat.SendTo(ctx.User, new CommandNotAllowedErrorS2CPacket(ctx.Name));
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return;
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}
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UserInfo? targetUser = null;
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int offset = 0;
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if(setOthersNick && long.TryParse(ctx.Args.FirstOrDefault(), out long targetUserId) && targetUserId > 0) {
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targetUser = ctx.Chat.Users.Get(targetUserId);
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++offset;
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}
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targetUser ??= ctx.User;
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if(ctx.Args.Length < offset) {
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ctx.Chat.SendTo(ctx.User, new CommandFormatErrorS2CPacket());
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return;
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}
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string nickStr = string.Join('_', ctx.Args.Skip(offset))
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.Replace("\n", string.Empty).Replace("\r", string.Empty)
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.Replace("\f", string.Empty).Replace("\t", string.Empty)
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.Replace(' ', '_').Trim();
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if(nickStr == targetUser.UserName)
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nickStr = string.Empty;
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else if(nickStr.Length > 15)
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nickStr = nickStr[..15];
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if(string.IsNullOrWhiteSpace(nickStr))
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nickStr = string.Empty;
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else if(ctx.Chat.Users.Get(name: nickStr, nameTarget: UsersContext.NameTarget.UserAndNickName) != null) {
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ctx.Chat.SendTo(ctx.User, new UserNameInUseErrorS2CPacket(nickStr));
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return;
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}
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ctx.Chat.Events.Dispatch(
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"user:update",
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targetUser,
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new UserUpdateEventData(
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nickName: nickStr,
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notify: targetUser.UserId == ctx.User.UserId
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)
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);
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}
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}
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}
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