Added MODE and invite only functionality

Channel/Channel.cpp

@@ -33,6 +33,8 @@ Channel& Channel::operator=(const Channel &other)
         name_ = other.name_;
 		members_ = other.members_;
 		operators_ = other.operators_;
+        isInviteOnly_ = other.isInviteOnly_;
+        invitedMembers_ = other.invitedMembers_;
     }
     // std::cout << "Channel copy assignment operator called" << std::endl;
     return (*this);
@@ -41,7 +43,7 @@ Channel& Channel::operator=(const Channel &other)
 
 // Constructor with name
 
-Channel::Channel(std::string &name) : name_(name) { /* std::cout << "Channel with name constructor called" << std::endl; */ }
+Channel::Channel(std::string &name) : name_(name), isInviteOnly_(false) { /* std::cout << "Channel with name constructor called" << std::endl; */ }
 
 
 // Getters
@@ -62,14 +64,35 @@ void	Channel::addOperator(int fd)		{ this->operators_.insert(fd);				}
 void	Channel::removeOperator(int fd)		{ this->operators_.erase(fd);				}
 bool	Channel::hasOperator(int fd) const	{ return (this->operators_.count(fd) > 0);	}
 
-void	Channel::broadcast(const std::string &msg, std::map<int, User> &clients, int excludedFd)
+void	Channel::broadcast(const std::string &msg, const std::map<int, User> &clients, int excludedFd)
 {
     for (std::set<int>::iterator member = members_.begin(); member != members_.end(); member++)
     {
         if ((*member) == excludedFd) continue;
-        std::map<int, User>::iterator user = clients.find(*member);
+        std::map<int, User>::const_iterator user = clients.find(*member);
         
         if (user != clients.end())
             user->second.send(msg);
     }
 }
+
+void	Channel::setMode(std::string& mode, std::string& args)
+{
+	bool value;
+	if (mode[0] == '+')
+		value = true;
+	else
+		value = false;
+
+	// very simple to test
+	if (mode[1] == 'i')
+	{
+		isInviteOnly_ = value;
+		return ;
+	}
+
+	(void) args;
+}
+
+bool	Channel::isInviteOnly() const { return isInviteOnly_; }
+bool	Channel::isInvited(int fd) const { return invitedMembers_.count(fd) > 0; }

Channel/Channel.hpp

@@ -24,9 +24,13 @@ class Channel
 {
     private:
         std::string				name_;
+
 		std::set<int>			members_;
 		std::set<int>			operators_;
 
+		bool					isInviteOnly_;
+		std::set<int>			invitedMembers_;
+
     public:
         Channel();
 		Channel(std::string &name);
@@ -39,7 +43,6 @@ class Channel
 		std::string		getName() const;
 		const	std::set<int> &getMembers() const;
 
-
 		// Users
 		void			addMember(int fd);
 		void			removeMember(int fd);
@@ -50,8 +53,15 @@ class Channel
 		void			removeOperator(int fd);
 		bool			hasOperator(int fd) const;
 
-		void			broadcast(const std::string &msg, std::map<int, User> &clients, int excludedFd);
+		void			inviteMember(User& client); // not implemented
 
+		void			broadcast(const std::string &msg, const std::map<int, User> &clients, int excludedFd);
+
+		// modes
+		void			setMode(std::string& mode, std::string& args);
+
+		bool			isInviteOnly() const;
+		bool			isInvited(int fd) const;
 
 };
 

Makefile

@@ -4,6 +4,7 @@ SRC = main.cpp Server/Server.cpp User/User.cpp \
 		Channel/Channel.cpp \
 		cmds/pass.cpp cmds/nick.cpp cmds/user.cpp \
 		cmds/join.cpp cmds/privmsg.cpp cmds/quit.cpp \
+		cmds/mode.cpp
 
 HEADERS = Server/Server.hpp User/User.hpp
 

Server/Server.cpp

@@ -3,10 +3,10 @@
 /*                                                        :::      ::::::::   */
 /*   Server.cpp                                         :+:      :+:    :+:   */
 /*                                                    +:+ +:+         +:+     */
-/*   By: aortigos <aortigos@student.42malaga.com    +#+  +:+       +#+        */
+/*   By: iherman- <iherman-@student.42malaga.com    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2026/05/06 17:19:12 by iherman-          #+#    #+#             */
-/*   Updated: 2026/05/16 11:31:25 by aortigos         ###   ########.fr       */
+/*   Updated: 2026/05/23 18:03:11 by iherman-         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -118,6 +118,7 @@ Server::Server(int port, const std::string& password) :
 	commands_["JOIN"] = &Server::join_cmd;
 	commands_["QUIT"] = &Server::quit_cmd;
 	commands_["PRIVMSG"] = &Server::privmsg_cmd;
+	commands_["MODE"] = & Server::mode_cmd;
 
 	std::cout << "Server port: " << port_
 		<< "\nServer Password: " << password_
@@ -233,6 +234,8 @@ std::vector<struct pollfd>::iterator	Server::removeClient(std::vector<struct pol
 
 	std::cout << "Client with fd: " << client->fd << " disconnected " << std::endl;
 
+	// should also remove client from all channels its in
+
 	clients_.erase(client->fd);
 	return (sockets_.erase(client));
 }

Server/Server.hpp

@@ -3,10 +3,10 @@
 /*                                                        :::      ::::::::   */
 /*   Server.hpp                                         :+:      :+:    :+:   */
 /*                                                    +:+ +:+         +:+     */
-/*   By: aortigos <aortigos@student.42malaga.com    +#+  +:+       +#+        */
+/*   By: iherman- <iherman-@student.42malaga.com    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2026/05/06 17:18:11 by iherman-          #+#    #+#             */
-/*   Updated: 2026/05/16 11:45:11 by aortigos         ###   ########.fr       */
+/*   Updated: 2026/05/23 17:16:21 by iherman-         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -67,6 +67,7 @@ class Server
 		void	join_cmd(User &client, std::istringstream &ss);
 		void	privmsg_cmd(User &client, std::istringstream &ss);
 		void	quit_cmd(User &client, std::istringstream &ss);
+		void	mode_cmd(User &client, std::istringstream &ss);
 
 
 	public:

User/User.cpp

@@ -55,7 +55,7 @@ User::~User()
 }
 
 
-void    User::send(const std::string &msg)
+void    User::send(const std::string &msg) const
 {
     ::send(fd, msg.c_str(), msg.size(), 0);
 }

User/User.hpp

@@ -38,7 +38,7 @@ class User
         User& operator=(const User &other);
         ~User();
 
-        void	send(const std::string &msg);
+        void	send(const std::string &msg) const;
 
         // Channels
         void		joinChannel(const std::string &channel);

cmds/join.cpp

@@ -3,10 +3,10 @@
 /*                                                        :::      ::::::::   */
 /*   join.cpp                                           :+:      :+:    :+:   */
 /*                                                    +:+ +:+         +:+     */
-/*   By: aortigos <aortigos@student.42malaga.com    +#+  +:+       +#+        */
+/*   By: iherman- <iherman-@student.42malaga.com    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2026/05/15 15:35:16 by aortigos          #+#    #+#             */
-/*   Updated: 2026/05/16 17:04:29 by aortigos         ###   ########.fr       */
+/*   Updated: 2026/05/23 18:32:37 by iherman-         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -23,6 +23,7 @@ void	Server::join_cmd(User &client, std::istringstream &ss)
 	
 	std::map<std::string, Channel>::iterator it = channels_.find(args);
 
+	// creates channel
 	if (it == channels_.end())
 	{
 		channels_[args] = Channel(args);
@@ -51,15 +52,24 @@ void	Server::join_cmd(User &client, std::istringstream &ss)
 	else
 	{
 		if (it->second.hasMember(client.getFd()))
-			client.send(":" SERVER_NAME " 443 " + client.getNick() + " " + args + " :is already on channel\r\n");
-		else
 		{
-			client.joinChannel(it->first);
+			client.send(":" SERVER_NAME " 443 " + client.getNick() + " " + args + " :is already on channel\r\n");
+			return ;			
+		}
+
+		if (it->second.isInviteOnly() && !it->second.isInvited(client.getFd()))
+		{
+			client.send(":" SERVER_NAME " 473 " + client.getNick() + " " + args + " :Cannot join channel (+i)\r\n");
+			return ;			
+		}
+
 		it->second.addMember(client.getFd());
+
+		client.joinChannel(it->first);
+
 		std::string	joinMsg = ":" + client.getNick() + "!" + client.getUsername() + "@localhost JOIN " + args + "\r\n";
 		channels_[args].broadcast(joinMsg, clients_, -1);
 
-
 		std::string namesList = ":" SERVER_NAME " 353 " + client.getNick() + " = " + args + " :";
 		const std::set<int> &members = channels_[args].getMembers();
 		for (std::set<int>::const_iterator m = members.begin(); m != members.end(); m++)
@@ -75,5 +85,4 @@ void	Server::join_cmd(User &client, std::istringstream &ss)
 		client.send(namesList + "\r\n");
 		client.send(":" SERVER_NAME " 366 " + client.getNick() + " " + args + " :End of /NAMES list\r\n");
 	}
-	}
 }

cmds/mode.cpp

@@ -0,0 +1,41 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   mode.cpp                                           :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: iherman- <iherman-@student.42malaga.com    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2026/05/23 17:15:27 by iherman-          #+#    #+#             */
+/*   Updated: 2026/05/23 18:35:51 by iherman-         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "../Server/Server.hpp"
+
+void	Server::mode_cmd(User &client, std::istringstream &ss)
+{
+	std::string	target;
+	std::string	mode;
+	std::string	args;
+
+	ss >> target >> mode;
+	std::getline(ss, args);
+
+	if (!client.isRegistered()) return (client.send(":" SERVER_NAME " 451 * :You have not registered\r\n"));
+	if (target.empty() || mode.empty()) return (client.send(":" SERVER_NAME " 461 " + client.getNick() + " MODE :Not enough parameters\r\n"));
+
+	std::map<std::string, Channel>::iterator	channel = channels_.find(target);
+	if (channel == channels_.end())
+	{
+		client.send(":" SERVER_NAME " 403 " + client.getNick() + target + ":No such channel");
+		return ;
+	}
+
+	if (!channel->second.hasOperator(client.getFd()))
+	{
+		client.send(std::string(":") + SERVER_NAME + " 482 " + client.getNick() + " " + channel->second.getName() + " :You're not channel operator\r\n");
+		return ;
+	}
+
+	channel->second.setMode(mode, args);
+}