mirror of
https://github.com/RedWizardsLab/EchoHub.git
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Add core models, DTOs, and services for EchoHub chat application
- Created User, Channel, Message, and ServerInfo models with necessary properties. - Added DTOs for user profiles, server information, and message handling. - Implemented JWT authentication service for user login and token generation. - Developed Entity Framework Core DbContext for database interactions. - Introduced SignalR ChatHub for real-time messaging and presence tracking. - Implemented file storage and image to ASCII conversion services. - Set up CORS and middleware for API endpoints. - Created launch settings and development configuration for server and web projects.
This commit is contained in:
HueByte
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using EchoHub.Core.Models;
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namespace EchoHub.Client.Commands;
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public record CommandResult(bool Handled, string? Message = null, bool IsError = false);
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public class CommandHandler
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{
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public event Func<UserStatus, string?, Task>? OnSetStatus;
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public event Func<string, Task>? OnSetNick;
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public event Func<string, Task>? OnSetColor;
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public event Func<string, Task>? OnSetTheme;
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public event Func<string, Task>? OnSendFile;
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public event Func<Task>? OnOpenProfile;
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public event Func<Task>? OnOpenServers;
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public event Func<string, Task>? OnJoinChannel;
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public event Func<Task>? OnLeaveChannel;
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public event Func<string, Task>? OnSetTopic;
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public event Func<Task>? OnListUsers;
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public event Func<Task>? OnQuit;
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public event Func<Task>? OnHelp;
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public bool IsCommand(string input) => input.StartsWith('/');
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public async Task<CommandResult> HandleAsync(string input)
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{
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if (!IsCommand(input))
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return new CommandResult(false);
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var parts = input[1..].Split(' ', 2, StringSplitOptions.TrimEntries);
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var command = parts[0].ToLowerInvariant();
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var args = parts.Length > 1 ? parts[1] : string.Empty;
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return command switch
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{
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"status" => await HandleStatus(args),
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"nick" => await HandleNick(args),
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"color" => await HandleColor(args),
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"theme" => await HandleTheme(args),
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"send" => await HandleSend(args),
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"profile" => await HandleProfile(),
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"servers" => await HandleServers(),
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"join" => await HandleJoin(args),
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"leave" => await HandleLeave(),
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"topic" => await HandleTopic(args),
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"users" => await HandleUsers(),
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"quit" or "exit" => await HandleQuit(),
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"help" or "?" => await HandleHelp(),
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_ => new CommandResult(true, $"Unknown command: /{command}. Type /help for available commands.", IsError: true),
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};
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}
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private async Task<CommandResult> HandleStatus(string args)
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{
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if (string.IsNullOrWhiteSpace(args))
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return new CommandResult(true, "Usage: /status <online|away|dnd|invisible> or /status <message>", IsError: true);
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var statusArg = args.ToLowerInvariant().Trim();
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UserStatus? status = statusArg switch
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{
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"online" => UserStatus.Online,
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"away" => UserStatus.Away,
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"dnd" or "donotdisturb" => UserStatus.DoNotDisturb,
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"invisible" => UserStatus.Invisible,
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_ => null,
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};
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if (status.HasValue)
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{
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if (OnSetStatus is not null)
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await OnSetStatus(status.Value, null);
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return new CommandResult(true, $"Status set to {status.Value}");
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}
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// Treat as custom status message (keep current status)
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if (OnSetStatus is not null)
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await OnSetStatus(UserStatus.Online, args);
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return new CommandResult(true, $"Status message set: {args}");
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}
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private async Task<CommandResult> HandleNick(string args)
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{
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if (string.IsNullOrWhiteSpace(args))
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return new CommandResult(true, "Usage: /nick <display name>", IsError: true);
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if (OnSetNick is not null)
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await OnSetNick(args.Trim());
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return new CommandResult(true, $"Display name set to: {args.Trim()}");
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}
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private async Task<CommandResult> HandleColor(string args)
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{
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if (string.IsNullOrWhiteSpace(args))
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return new CommandResult(true, "Usage: /color <hex> (e.g., /color #FF5733)", IsError: true);
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var color = args.Trim();
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if (!color.StartsWith('#'))
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color = "#" + color;
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if (color.Length != 7 || !IsValidHex(color[1..]))
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return new CommandResult(true, "Invalid color. Use hex format: #RRGGBB", IsError: true);
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if (OnSetColor is not null)
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await OnSetColor(color);
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return new CommandResult(true, $"Nickname color set to: {color}");
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}
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private async Task<CommandResult> HandleTheme(string args)
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{
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if (string.IsNullOrWhiteSpace(args))
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return new CommandResult(true, "Usage: /theme <name> (Default, Dark, Light, Hacker, Solarized)", IsError: true);
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if (OnSetTheme is not null)
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await OnSetTheme(args.Trim());
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return new CommandResult(true, $"Theme switched to: {args.Trim()}");
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}
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private async Task<CommandResult> HandleSend(string args)
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{
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if (string.IsNullOrWhiteSpace(args))
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return new CommandResult(true, "Usage: /send <filepath or URL>", IsError: true);
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var target = args.Trim().Trim('"');
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if (Uri.TryCreate(target, UriKind.Absolute, out var uri)
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&& (uri.Scheme == "http" || uri.Scheme == "https"))
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{
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if (OnSendFile is not null)
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await OnSendFile(target);
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var fileName = Path.GetFileName(uri.LocalPath);
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if (string.IsNullOrWhiteSpace(fileName))
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fileName = "download";
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return new CommandResult(true, $"Downloading & uploading: {fileName}...");
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}
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if (!File.Exists(target))
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return new CommandResult(true, $"File not found: {target}", IsError: true);
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if (OnSendFile is not null)
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await OnSendFile(target);
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return new CommandResult(true, $"Uploading: {Path.GetFileName(target)}...");
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}
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private async Task<CommandResult> HandleProfile()
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{
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if (OnOpenProfile is not null)
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await OnOpenProfile();
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return new CommandResult(true);
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}
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private async Task<CommandResult> HandleServers()
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{
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if (OnOpenServers is not null)
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await OnOpenServers();
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return new CommandResult(true);
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}
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private async Task<CommandResult> HandleJoin(string args)
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{
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if (string.IsNullOrWhiteSpace(args))
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return new CommandResult(true, "Usage: /join <channel>", IsError: true);
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var channel = args.Trim().TrimStart('#');
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if (OnJoinChannel is not null)
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await OnJoinChannel(channel);
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return new CommandResult(true);
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}
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private async Task<CommandResult> HandleLeave()
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{
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if (OnLeaveChannel is not null)
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await OnLeaveChannel();
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return new CommandResult(true);
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}
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private async Task<CommandResult> HandleTopic(string args)
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{
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if (string.IsNullOrWhiteSpace(args))
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return new CommandResult(true, "Usage: /topic <text>", IsError: true);
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if (OnSetTopic is not null)
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await OnSetTopic(args.Trim());
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return new CommandResult(true, $"Topic set to: {args.Trim()}");
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}
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private async Task<CommandResult> HandleUsers()
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{
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if (OnListUsers is not null)
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await OnListUsers();
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return new CommandResult(true);
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}
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private async Task<CommandResult> HandleQuit()
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{
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if (OnQuit is not null)
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await OnQuit();
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return new CommandResult(true);
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}
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private async Task<CommandResult> HandleHelp()
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{
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if (OnHelp is not null)
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await OnHelp();
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return new CommandResult(true, """
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Available commands:
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/status <online|away|dnd|invisible> - Set your status
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/status <message> - Set status message
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/nick <name> - Set display name
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/color <#hex> - Set nickname color
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/theme <name> - Switch theme
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/send <filepath or URL> - Send a file or image
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/profile - Open your profile
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/servers - Open saved servers
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/join <channel> - Join a channel
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/leave - Leave current channel
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/topic <text> - Set channel topic
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/users - List online users
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/quit - Exit the app
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""");
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}
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private static bool IsValidHex(string s) =>
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s.All(c => char.IsAsciiHexDigit(c));
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}
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