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package Crawl::Bot;
use Moose;
use MooseX::NonMoose;
extends 'Bot::BasicBot';
use autodie;
use XML::RAI;
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 items => (
traits => ['Hash'],
isa => 'HashRef',
default => sub {
my $self = shift;
my $file = $self->cache_file;
my $items = {};
if (-r $file) {
warn "Updating seen item list from the cache...";
open my $fh, '<', $file;
while (<$fh>) {
chomp;
$items->{$_} = 1;
warn " got item $_";
}
}
else {
warn "Updating seen item list from a fresh copy of the feed...";
$self->each_item(sub {
my $item = shift;
my $link = $item->identifier;
(my $id = $link) =~ s/.*=(\d+)$/$1/;
$items->{$id} = 1;
warn " got item $id";
});
}
return $items;
},
handles => {
has_item => 'exists',
items => 'keys',
_add_item => 'set',
},
);
sub add_item {
my $self = shift;
$self->_add_item($_[0], 1);
}
sub BUILD {
my $self = shift;
$self->save_cache;
}
sub each_item {
my $self = shift;
my ($code) = @_;
my $rss = XML::RAI->parse_uri($self->rss_feed);
for my $item (@{ $rss->items }) {
$code->($item);
}
}
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->items;
}
sub tick {
my $self = shift;
warn "Checking for new issues...";
$self->each_item(sub {
my $item = shift;
my $link = $item->identifier;
(my $id = $link) =~ s/.*=(\d+)$/$1/;
return if $self->has_item($id);
warn "New issue! ($id)";
$self->say(
channel => '##crawl-dev',
body => $item->title . ' (' . $item->link . ')'
);
$self->add_item($id);
});
$self->save_cache;
return 60;
}
1;
|
