mirror of
https://github.com/pragma-/pbot.git
synced 2024-11-05 03:29:33 +01:00
135 lines
4.5 KiB
Perl
135 lines
4.5 KiB
Perl
# File: Help.pm
|
|
#
|
|
# Purpose: Registers `help` command.
|
|
|
|
# SPDX-FileCopyrightText: 2021 Pragmatic Software <pragma78@gmail.com>
|
|
# SPDX-License-Identifier: MIT
|
|
|
|
package PBot::Core::Commands::Help;
|
|
|
|
use PBot::Imports;
|
|
use parent 'PBot::Core::Class';
|
|
|
|
sub initialize {
|
|
my ($self, %conf) = @_;
|
|
$self->{pbot}->{commands}->register(sub { $self->cmd_help(@_) }, 'help');
|
|
}
|
|
|
|
sub cmd_help {
|
|
my ($self, $context) = @_;
|
|
|
|
if (not length $context->{arguments}) {
|
|
return "For general help, see <https://github.com/pragma-/pbot/tree/master/doc#table-of-contents>. For help about a specific command or factoid, use `help <keyword> [channel]`.";
|
|
}
|
|
|
|
my $keyword = lc $self->{pbot}->{interpreter}->shift_arg($context->{arglist});
|
|
|
|
# check built-in commands first
|
|
if ($self->{pbot}->{commands}->exists($keyword)) {
|
|
|
|
# check for command metadata
|
|
if ($self->{pbot}->{commands}->{metadata}->exists($keyword)) {
|
|
my $name = $self->{pbot}->{commands}->{metadata}->get_key_name($keyword);
|
|
my $requires_cap = $self->{pbot}->{commands}->{metadata}->get_data($keyword, 'requires_cap');
|
|
my $help = $self->{pbot}->{commands}->{metadata}->get_data($keyword, 'help');
|
|
|
|
my $result = "/say $name: ";
|
|
|
|
# prefix help text with required capability
|
|
if ($requires_cap) {
|
|
$result .= "[Requires can-$keyword] ";
|
|
}
|
|
|
|
if (not defined $help or not length $help) {
|
|
$result .= "I have no help text for this command yet. To add help text, use the command `cmdset $keyword help <text>`.";
|
|
} else {
|
|
$result .= $help;
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
# no command metadata available
|
|
return "$keyword is a built-in command, but I have no help for it yet.";
|
|
}
|
|
|
|
# then factoids
|
|
my $channel_arg = $self->{pbot}->{interpreter}->shift_arg($context->{arglist});
|
|
|
|
if (not defined $channel_arg or not length $channel_arg) {
|
|
# set channel argument to from if no argument was passed
|
|
$channel_arg = $context->{from};
|
|
}
|
|
|
|
if ($channel_arg !~ /^#/) {
|
|
# set channel argument to global if it's not channel-like
|
|
$channel_arg = '.*';
|
|
}
|
|
|
|
# find factoids
|
|
my @factoids = $self->{pbot}->{factoids}->{data}->find($channel_arg, $keyword, exact_trigger => 1);
|
|
|
|
if (not @factoids or not $factoids[0]) {
|
|
# nothing found
|
|
return "I don't know anything about $keyword.";
|
|
}
|
|
|
|
my ($channel, $trigger);
|
|
|
|
if (@factoids > 1) {
|
|
# ask to disambiguate factoids if found in multiple channels
|
|
if (not grep { $_->[0] eq $channel_arg } @factoids) {
|
|
return
|
|
"/say $keyword found in multiple channels: "
|
|
. (join ', ', sort map { $_->[0] eq '.*' ? 'global' : $_->[0] } @factoids)
|
|
. "; use `help $keyword <channel>` to disambiguate.";
|
|
} else {
|
|
foreach my $factoid (@factoids) {
|
|
if ($factoid->[0] eq $channel_arg) {
|
|
($channel, $trigger) = ($factoid->[0], $factoid->[1]);
|
|
last;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
($channel, $trigger) = ($factoids[0]->[0], $factoids[0]->[1]);
|
|
}
|
|
|
|
# get canonical channel and trigger names with original typographical casing
|
|
my $channel_name = $self->{pbot}->{factoids}->{data}->{storage}->get_key_name($channel);
|
|
my $trigger_name = $self->{pbot}->{factoids}->{data}->{storage}->get_key_name($channel, $trigger);
|
|
|
|
# prettify channel name if it's ".*"
|
|
if ($channel_name eq '.*') {
|
|
$channel_name = 'global channel';
|
|
}
|
|
|
|
# prettify trigger name with double-quotes if it contains spaces
|
|
if ($trigger_name =~ / /) {
|
|
$trigger_name = "\"$trigger_name\"";
|
|
}
|
|
|
|
# get factoid's `help` metadata
|
|
my $help = $self->{pbot}->{factoids}->{data}->{storage}->get_data($channel, $trigger, 'help');
|
|
|
|
# return immediately if no help text
|
|
if (not defined $help or not length $help) {
|
|
return "/say $trigger_name is a factoid for $channel_name, but I have no help text for it yet."
|
|
. " To add help text, use the command `factset $trigger_name help <text>`.";
|
|
}
|
|
|
|
my $result = "/say ";
|
|
|
|
# if factoid doesn't belong to invoked or global channel,
|
|
# then prefix with the factoid's channel name.
|
|
if ($channel ne $context->{from} and $channel ne '.*') {
|
|
$result .= "[$channel_name] ";
|
|
}
|
|
|
|
$result .= "$trigger_name: $help";
|
|
|
|
return $result;
|
|
}
|
|
|
|
1;
|