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SVN  ’H´V1¬3  €` J†@ .‡€v VŠn iŒ(€—N J†@ _$€D )‘€Kwrapper around Net::IRC::Connection for BarnOwl's IRC
support

=cut

use Net::IRC::Connection;

use base qw(Class::Accessor Exporter);
__PACKAGE__->mk_accessors(qw(conn alias channels connected motd));
our @EXPORT_OK = qw(&is_private);

use BarnOwl;

BEGIN {
    no strict 'refs';
    my @delegate = qw(nick server);
    for my $meth (@delegate) {
        *{"BarnOwl::Module::IRC::Connection::$meth"} = sub {
            shift->conn->$meth(@_);
        }
    }
};

sub new {
    my $class = shift;
    my $irc = shift;
    my $alias = shift;
    my %args = (@_);
    my $conn = Net::IRC::Connection->new($irc, %args);
    my $self = bless({}, $class);
    $self->conn($conn);
    $self->alias($alias);
    $self->channels([]);
    $self->motd("");
    $self->connected(0);

    $self->conn->add_handler(376 => sub { shift; $self->on_connect(@_) });
    $self->conn->add_default_handler(sub { shift; $self->on_event(@_) });
    $self->conn->add_handler(['msg', 'notice', 'public', 'caction'],
            sub { shift; $self->on_msg(@_) });
    $self->conn->add_handler(['welcome', 'yourhost', 'created',
                              'luserclient', 'luserop', 'luserchannels', 'luserme',
                              'error'],
            sub { shift; $self->on_admin_msg(@_) });
    $self->conn->add_handler(['myinfo', 'map', 'n_local', 'n_global',
            'luserconns'],
            sub { });
    $self->conn->add_handler(motdstart => sub { shift; $self->on_motdstart(@_) });
    $self->conn->add_handler(motd      => sub { shift; $self->on_motd(@_) });
    $self->conn->add_handler(endofmotd => sub { shift; $self->on_endofmotd(@_) });
    $self->conn->add_handler(join      => sub { shift; $self->on_join(@_) });
    $self->conn->add_handler(part      => sub { shift; $self->on_part(@_) });
    $self->conn->add_handler(disconnect => sub { shift; $self->on_disconnect(@_) });
    $self->conn->add_handler(nicknameinuse => sub { shift; $self->on_nickinuse(@_) });
    $self->conn->add_handler(cping     => sub { shift; $self->on_ping(@_) });

    return $self;
}

sub getSocket
{
    my $self = shift;
    return $self->conn->socket;
}

new_message {
    my $self = shift;
    my $evt = shift;
    return BarnOwl::Message->new(
        type        => 'IRC@_
       );
}

sub on_msg {
    my ($self, $evt) = @_;
    my ($recipient) = $evt->to;
    my $body = strip_irc_formatting([$evt->args]->[0]);
    my $nick = $self->nick;
    BarnOwl::beep() if $body =~ /\b\Q$nick\E\b/;
    $body = BarnOwl::Style::boldify($evt->nick.' '.$body) if $evt->type eq 'caction';
    my $msg = $self->new_message($evt,
        direction   => 'in',
        recipient   => $recipient,
        body => $body,
        $evt->type eq 'notice' ?
          (notice     => 'true') : (),
        is_private($recipient) ?
          (isprivate  => 'true') : (channel => $recipient),
        replycmd    => 'irc-msg ' .
            (is_private($recipient) ? $evt->nick : $recipient),
        replysendercmd => 'irc-msg ' . $evt->nick
       );

    BarnOwl::queue_message($msg);
}

sub on_ping {
    my ($self, $evt) = @_;
    $self->conn->ctcp_reply($evt->nick, join (' ', ($evt->args)));
}

sub on_admin_msg {
    my ($self, $evt) = @_;
    BarnOwl::admin_message("IRC",
            BarnOwl::Style::boldify('IRC ' . $evt->type . ' message from '
                . $self->alias) . "\n"
            . strip_irc_formatting(join '\n', $evt->args));
}

sub on_motdstart {
    my ($self, $evt) = @_;
    $self->motd(join "\n", cdr($evt->args));
}

sub on_motd {
    my ($self, $evt) = @_;
    $self->motd(join "\n", $self->motd, cdr($evt->args));
}

sub on_endofmotd {
    my ($self, $evt) = @_;
    $self->motd(join "\n", $self->motd, cdr($evt->args));
    if(!$self->connected) {
        BarnOwl::admin_message("IRC", "Connected to " .
                               $self->server . " (" . $self->alias . ")");
        $self->connected(1);
        
    }
    BarnOwl::admin_message("IRC",
            BarnOwl::Style::boldify('MOTD for ' . $self->alias) . "\n"
            . strip_irc_formatting($self->motd));
}

sub on_join {
    my ($self, $evt) = @_;
    my $msg = $self->new_message($evt,
        loginout   => 'login',
        channel    => $evt->to,
        );
    BarnOwl::queue_message($msg);
}

sub on_part {
    my ($self, $evt) = @_;
    my $msg = $self->new_message($evt,
        loginout   => 'logout',
        channel    => $evt->to,
        );
    BarnOwl::queue_message($msg);
}

sub on_disconnect {
    my $self = shift;
    delete $BarnOwl::Module::IRC::ircnets{$self->alias};
    BarnOwl::remove_dispatch($self->{FD});
    BarnOwl::admin_message('IRC',
                           "[" . $self->alias . "] Disconnected from server");
}

sub on_nickinuse {
    my ($self, $evt) = @_;
    BarnOwl::admin_message("IRC",
                           "[" . $self->alias . "] " .
                           [$evt->args]->[1] . ": Nick already in use");
    unless($self->connected) {
        $self->conn->disconnect;
    }
}

sub on_event {
    my ($self, $evt) = @_;
    BarnOwl::admin_message("IRC",
            "[" . $self->alias . "] Unhandled IRC event of type " . $evt->type . ":\n"
            . strip_irc_formatting(join("\n", $evt->args)))
        if BarnOwl::getvar('irc:spew') eq 'on';
}


# Strip mIRC colors. If someone wants to write code to convert
    # these to zephyr colors, be my guest.
    $body =~ s/\cC\d+(?:,\d+)?//g;
    $body =~ s/\cO//g;
    
    my @pieces = split /\cB# Determines if the given message recipient is a username, as opposed to
# a channel that starts with # or &.
sub is_private {
    return shift !~ /^[\#\&]/;
}

sub cdr {
    shift;
    return @_;
}

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