71 lines
2.7 KiB
C#
71 lines
2.7 KiB
C#
using SharpChat.Channels;
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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 CreateChannelCommand : ICommand {
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private const string NAME = @"create";
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private ChannelManager Channels { get; }
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private ChannelUserRelations ChannelUsers { get; }
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private IUser Sender { get; }
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public CreateChannelCommand(ChannelManager channels, ChannelUserRelations channelUsers, IUser sender) {
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Channels = channels ?? throw new ArgumentNullException(nameof(channels));
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ChannelUsers = channelUsers ?? throw new ArgumentNullException(nameof(channelUsers));
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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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if(!ctx.User.Can(UserPermissions.CreateChannel)) {
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ctx.Connection.SendPacket(new CommandNotAllowedErrorPacket(Sender, ctx.Args));
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return true;
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}
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bool hasRank;
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if(ctx.Args.Count() < 2 || (hasRank = ctx.Args.ElementAtOrDefault(1)?.All(char.IsDigit) == true && ctx.Args.Count() < 3)) {
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ctx.Connection.SendPacket(new CommandFormatErrorPacket(Sender));
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return true;
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}
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int rank = 0;
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if(hasRank && !int.TryParse(ctx.Args.ElementAtOrDefault(1), out rank) && rank < 0)
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rank = 0;
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if(rank > ctx.User.Rank) {
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ctx.Connection.SendPacket(new InsufficientRankErrorPacket(Sender));
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return true;
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}
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string createChanName = string.Join('_', ctx.Args.Skip(hasRank ? 2 : 1));
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IChannel createChan;
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try {
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createChan = Channels.Create(
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ctx.User,
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createChanName,
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null,
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!ctx.User.Can(UserPermissions.SetChannelPermanent),
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rank
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);
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} catch(ChannelExistException) {
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ctx.Connection.SendPacket(new ChannelExistsErrorPacket(Sender, createChanName));
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return true;
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} catch(ChannelInvalidNameException) {
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ctx.Connection.SendPacket(new ChannelNameFormatErrorPacket(Sender));
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return true;
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}
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ChannelUsers.JoinChannel(createChan, ctx.Session);
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ctx.Connection.SendPacket(new ChannelCreateResponsePacket(Sender, createChan));
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return true;
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}
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}
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}
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