diff options
Diffstat (limited to 'lib/Crawl/Bot/Mantis.pm')
-rw-r--r-- | lib/Crawl/Bot/Mantis.pm | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/lib/Crawl/Bot/Mantis.pm b/lib/Crawl/Bot/Mantis.pm new file mode 100644 index 0000000..e3c9c44 --- /dev/null +++ b/lib/Crawl/Bot/Mantis.pm @@ -0,0 +1,116 @@ +package Crawl::Bot::Mantis; +use Moose; + +use autodie; +use File::Spec; +use XML::RAI; + +has bot => ( + is => 'ro', + isa => 'Crawl::Bot', + required => 1, + weak_ref => 1, + handles => [qw(say channels data_dir)], +); + +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 => 'mantis_issue_cache', +); + +sub cache_file { + my $self = shift; + return File::Spec->catfile($self->data_dir, $self->_cache_file); +} + +has issues => ( + traits => ['Hash'], + isa => 'HashRef', + lazy => 1, + default => sub { { } }, + handles => { + has_issue => 'exists', + issues => 'keys', + _add_issue => 'set', + }, +); + +sub BUILD { + my $self = shift; + my $file = $self->cache_file; + if (-r $file) { + warn "Updating seen issue list from the cache..."; + open my $fh, '<', $file; + while (<$fh>) { + chomp; + $self->add_issue($_); + 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/; + $self->add_issue($id); + warn " got issue $id"; + }); + $self->save_cache; + } +} + +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 add_issue { + my $self = shift; + $self->_add_issue($_[0], 1); +} + +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 tick { + my $self = shift; + warn "Checking for new issues..."; + $self->each_issue(sub { + my $issue = shift; + (my $id = $issue->identifier) =~ s/.*=(\d+)$/$1/; + return if $self->has_issue($id); + warn "New issue! ($id)"; + (my $title = $issue->title) =~ s/\d+: //; + my $link = $issue->link; + (my $user = $issue->creator) =~ s/ <.*?>$//; + $self->say( + channel => $_, + body => "$title ($link) by $user", + ) for $self->channels; + $self->add_issue($id); + }); + $self->save_cache; +} + +__PACKAGE__->meta->make_immutable; +no Moose; + +1; |