mirror of https://github.com/pragma-/pbot.git
126 lines
2.7 KiB
Perl
126 lines
2.7 KiB
Perl
# File: Commands.pm
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# Author: pragma_
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#
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# Purpose: Derives from Registerable class to provide functionality to
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# register subroutines, along with a command name and admin level.
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# Registered items will then be executed if their command name matches
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# a name provided via input.
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package PBot::Commands;
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use warnings;
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use strict;
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use base 'PBot::Registerable';
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use Carp ();
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use Text::ParseWords qw(shellwords);
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sub new {
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if(ref($_[1]) eq 'HASH') {
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Carp::croak("Options to Commands should be key/value pairs, not hash reference");
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}
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my ($class, %conf) = @_;
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my $self = bless {}, $class;
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$self->initialize(%conf);
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return $self;
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}
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sub initialize {
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my ($self, %conf) = @_;
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$self->SUPER::initialize(%conf);
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my $pbot = delete $conf{pbot};
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if(not defined $pbot) {
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Carp::croak("Missing pbot reference to PBot::Commands");
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}
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$self->{pbot} = $pbot;
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$self->{name} = undef;
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$self->{level} = undef;
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}
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sub register {
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my $self = shift;
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my ($subref, $name, $level) = @_;
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if((not defined $subref) || (not defined $name) || (not defined $level)) {
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Carp::croak("Missing parameters to Commands::register");
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}
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$name = lc $name;
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my $ref = $self->SUPER::register($subref);
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$ref->{name} = $name;
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$ref->{level} = $level;
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return $ref;
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}
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sub unregister_by_name {
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my ($self, $name) = @_;
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if(not defined $name) {
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Carp::croak("Missing name parameter to Commands::unregister");
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}
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$name = lc $name;
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@{ $self->{handlers} } = grep { $_->{name} ne $name } @{ $self->{handlers} };
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}
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sub exists {
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my $self = shift;
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my ($keyword) = @_;
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foreach my $ref (@{ $self->{handlers} }) {
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return 1 if $ref->{name} eq $keyword;
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}
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return 0;
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}
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sub interpreter {
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my $self = shift;
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my ($from, $nick, $user, $host, $depth, $keyword, $arguments, $tonick, $unused, $referenced) = @_;
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my $result;
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my $pbot = $self->{pbot};
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my $admin = $pbot->{admins}->loggedin($from, "$nick!$user\@$host");
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my $level = defined $admin ? $admin->{level} : 0;
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foreach my $ref (@{ $self->{handlers} }) {
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if($ref->{name} eq $keyword) {
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if($level >= $ref->{level}) {
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my $result = &{ $ref->{subref} }($from, $nick, $user, $host, $arguments);
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if ($referenced) {
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return undef if $result =~ m/(?:usage:|no results)/i;
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}
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return $result;
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} else {
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return undef if $referenced;
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if($level == 0) {
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return "/msg $nick You must login to use this command.";
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} else {
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return "/msg $nick You are not authorized to use this command.";
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}
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}
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}
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}
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return undef;
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}
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sub parse_arguments {
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my ($self, $arguments) = @_;
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return shellwords($arguments);
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}
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1;
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