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|
package Crawl::Bot;
use Moose;
use MooseX::NonMoose;
extends 'Bot::BasicBot';
use autodie;
use XML::RAI;
has [qw(username name)] => (
# don't need (or want) accessors, just want to initialize the hash slot
# for B::BB to use
is => 'bare',
isa => 'Str',
default => sub { shift->nick },
);
has rss_feed => (
is => 'ro',
isa => 'Str',
lazy => 1,
default => 'http://crawl.develz.org/mantis/issues_rss.php',
);
has cache_file => (
is => 'ro',
isa => 'Str',
lazy => 1,
default => 'cache',
);
has update_time => (
is => 'ro',
isa => 'Int',
default => 300,
);
has issues => (
traits => ['Hash'],
isa => 'HashRef',
default => sub {
my $self = shift;
my $file = $self->cache_file;
my $issues = {};
if (-r $file) {
warn "Updating seen issue list from the cache...";
open my $fh, '<', $file;
while (<$fh>) {
chomp;
$issues->{$_} = 1;
warn " got issue $_";
}
}
else {
warn "Updating seen issue list from a fresh copy of the feed...";
$self->each_issue(sub {
my $issue = shift;
my $link = $issue->identifier;
(my $id = $link) =~ s/.*=(\d+)$/$1/;
$issues->{$id} = 1;
warn " got issue $id";
});
}
return $issues;
},
handles => {
has_issue => 'exists',
issues => 'keys',
_add_issue => 'set',
},
);
sub add_issue {
my $self = shift;
$self->_add_issue($_[0], 1);
}
sub BUILD {
my $self = shift;
$self->save_cache;
}
sub each_issue {
my $self = shift;
my ($code) = @_;
my $rss = XML::RAI->parse_uri($self->rss_feed);
for my $issue (@{ $rss->items }) {
$code->($issue);
}
}
sub save_cache {
my $self = shift;
warn "Saving cache state to " . $self->cache_file;
open my $fh, '>', $self->cache_file;
$fh->print("$_\n") for $self->issues;
}
sub tick {
my $self = shift;
warn "Checking for new issues...";
$self->each_issue(sub {
my $issue = shift;
my $link = $issue->identifier;
(my $id = $link) =~ s/.*=(\d+)$/$1/;
return if $self->has_issue($id);
warn "New issue! ($id)";
my $message = $issue->title;
$message =~ s/\d+: //;
$message = sprintf '%s (%s) by %s',
$message, $issue->link, $issue->creator;
$self->say(
channel => $_,
body => $message,
) for $self->channels;
$self->add_issue($id);
});
$self->save_cache;
return $self->update_time;
}
1;
|
