ladybird/Userland/Applications/IRCClient/IRCChannel.cpp

/*
 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#include "IRCChannel.h"
#include "IRCChannelMemberListModel.h"
#include "IRCClient.h"

IRCChannel::IRCChannel(IRCClient& client, const String& name)
    : m_client(client)
    , m_name(name)
    , m_log(IRCLogBuffer::create())
    , m_member_model(IRCChannelMemberListModel::create(*this))
{
    m_window = m_client.aid_create_window(this, IRCWindow::Channel, m_name);
    m_window->set_log_buffer(*m_log);
}

IRCChannel::~IRCChannel()
{
}

NonnullRefPtr<IRCChannel> IRCChannel::create(IRCClient& client, const String& name)
{
    return adopt_ref(*new IRCChannel(client, name));
}

void IRCChannel::add_member(const String& name, char prefix)
{
    for (auto& member : m_members) {
        if (member.name == name) {
            member.prefix = prefix;
            return;
        }
    }
    m_members.append({ name, prefix });
    m_member_model->invalidate();
}

void IRCChannel::remove_member(const String& name)
{
    m_members.remove_first_matching([&](auto& member) { return name == member.name; });
}

void IRCChannel::add_message(char prefix, const String& name, const String& text, Color color)
{
    log().add_message(prefix, name, text, color);
    window().did_add_message(name, text);
}

void IRCChannel::add_message(const String& text, Color color)
{
    log().add_message(text, color);
    window().did_add_message();
}

void IRCChannel::say(const String& text)
{
    m_client.send_privmsg(m_name, text);
    add_message(' ', m_client.nickname(), text);
}

void IRCChannel::handle_join(const String& nick, const String& hostmask)
{
    if (nick == m_client.nickname()) {
        m_open = true;
        return;
    }
    add_member(nick, (char)0);
    m_member_model->invalidate();
    if (m_client.show_join_part_messages())
        add_message(String::formatted("*** {} [{}] has joined {}", nick, hostmask, m_name), Color::MidGreen);
}

void IRCChannel::handle_part(const String& nick, const String& hostmask)
{
    if (nick == m_client.nickname()) {
        m_open = false;
        m_members.clear();
        m_client.did_part_from_channel({}, *this);
    } else {
        remove_member(nick);
    }
    m_member_model->invalidate();
    if (m_client.show_join_part_messages())
        add_message(String::formatted("*** {} [{}] has parted from {}", nick, hostmask, m_name), Color::MidGreen);
}

void IRCChannel::handle_quit(const String& nick, const String& hostmask, const String& message)
{
    if (nick == m_client.nickname()) {
        m_open = false;
        m_members.clear();
        m_client.did_part_from_channel({}, *this);
    } else {
        remove_member(nick);
    }
    m_member_model->invalidate();
    add_message(String::formatted("*** {} [{}] has quit ({})", nick, hostmask, message), Color::MidGreen);
}

void IRCChannel::handle_topic(const String& nick, const String& topic)
{
    if (nick.is_null())
        add_message(String::formatted("*** Topic is \"{}\"", topic), Color::MidBlue);
    else
        add_message(String::formatted("*** {} set topic to \"{}\"", nick, topic), Color::MidBlue);
}

void IRCChannel::notify_nick_changed(const String& old_nick, const String& new_nick)
{
    for (auto& member : m_members) {
        if (member.name == old_nick) {
            member.name = new_nick;
            m_member_model->invalidate();
            if (m_client.show_nick_change_messages())
                add_message(String::formatted("~ {} changed nickname to {}", old_nick, new_nick), Color::MidMagenta);
            return;
        }
    }
}