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use strict; |
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use warnings; |
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|
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=head1 NAME |
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|
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Grep::Action::Fetch |
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|
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=cut |
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|
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package Grep::Action::Fetch; |
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use base qw/Grep::Action Jifty::Action/; |
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|
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use XML::Feed; |
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use LWP::UserAgent; |
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|
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use Grep::Search; |
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|
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use Data::Dump qw/dump/; |
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|
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use Jifty::Param::Schema; |
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use Jifty::Action schema { |
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|
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param q => |
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type is 'text', |
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label is 'Search for', |
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hint is 'enter few words to search for'; |
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|
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param feed => |
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label is 'From feed', |
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render as 'select', |
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available are defer { |
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my $feeds = Grep::Model::FeedCollection->new; |
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$feeds->order_by({ column => 'title', order => 'ASC' }); |
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$feeds->unlimit; |
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warn "feeds ", $feeds->build_select_query; |
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[{ |
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display_from => 'title', |
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value_from => 'id', |
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collection => $feeds, |
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}]; |
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}; |
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|
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param item_fragment => |
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label is 'Show', |
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render as 'select', |
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# valid are qw/result result_short/, |
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# available are qw/result result_short/; |
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available are qw/long short title/; |
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|
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}; |
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|
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=head2 take_action |
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|
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Returns C<Grep::Model::ItemCollection> of fatched items from Feed which will |
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also be stored in local cache. |
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|
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=cut |
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|
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sub take_action { |
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my $self = shift; |
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|
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# Custom action code |
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|
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my $feed = Grep::Model::Feed->new(); |
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my $feed_id = $self->argument_value('feed'); |
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my $q = $self->argument_value('q'); |
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my $user_id = Jifty->web->current_user->id; |
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|
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if (! $feed_id) { |
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$self->result->message("Need feed ID"); |
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return 0; |
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} |
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|
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$feed->load_by_cols( id => $feed_id ); |
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|
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if (! $feed->id) { |
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$self->result->message("Can't fetch feed $feed_id"); |
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return 0; |
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} |
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|
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my $message; |
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my $uri = $feed->uri; |
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if ($uri =~ m/%s/) { |
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$uri = $feed->search_uri( $q ); |
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$message = 'Searching'; |
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} else { |
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$message = 'Fetching'; |
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} |
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$message .= ' ' . $feed->title . " at $uri"; |
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|
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Jifty->log->info( $message ); |
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|
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my $ua = LWP::UserAgent->new; |
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$ua->default_header( 'Cookie' => $feed->cookie ); |
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my $r = $ua->get( $uri ); |
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return $self->result->error( |
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$feed->title . " returned " . $r->status_line . " for $uri\n" |
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) unless ( $r->is_success ); |
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|
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my $content = $r->content; |
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|
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return $self->result->error( "No content returned from $uri" ) unless length( $content ) > 1; |
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|
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my ( $items, $new ) = $self->collection_from_feed( $feed, $content ); |
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|
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if ( my $count = $items->count ) { |
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|
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# construct a proper sentence :-) |
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my $message = $count |
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. ( $new == $count ? ' new' : '' ) |
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. ( $new == 0 ? ' old' : '' ) |
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. ' results ' |
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. ( $new && $new < $count ? "of which $new new " : '' ) |
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. "for '$q' in " . $feed->title; |
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|
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$self->result->message( $message ); |
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|
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$self->result->content( items => $items ); |
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$self->result->content( count => $items->count ); |
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|
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Grep::Search->finish if $new; |
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|
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return $items; |
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|
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} else { |
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return $self->result->error( "No results for '$q' in " . $feed->title ); |
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} |
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} |
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|
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|
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=head2 collection_from_feed |
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|
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my ( $collection, $new ) = $self->collection_from_feed( $feed, '<xml>souce of feed</xml>'); |
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|
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=cut |
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|
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sub collection_from_feed { |
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my $self = shift; |
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|
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my ( $feed, $content ) = @_; |
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|
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die "feed is not a Grep::Model::Feed but ", ref $feed unless $feed->isa('Grep::Model::Feed'); |
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|
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my $xml_feed = XML::Feed->parse( \$content ) |
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or return $self->result->error( $feed->title, " returned ", XML::Feed->errstr ); |
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|
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|
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warn "getting entries from ", $xml_feed->title, "\n"; |
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|
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my $items = Grep::Model::ItemCollection->new(); |
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|
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my $new; |
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|
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for my $entry ($xml_feed->entries) { |
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my $i = Grep::Model::Item->new(); |
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|
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my ($ok,$msg) = $i->load_or_create( |
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in_feed => $feed, |
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title => $entry->title, |
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link => $entry->link, |
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content => $entry->content->body, |
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summary => $entry->summary->body, |
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category => $entry->category, |
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author => $entry->author, |
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issued => $entry->issued ? $entry->issued->strftime("%Y-%m-%d %H:%M:%S") : undef, |
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modified => $entry->modified ? $entry->modified->strftime("%Y-%m-%d %H:%M:%S") : undef, |
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); |
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|
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$msg ||= ''; |
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|
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if ( $ok ) { |
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Jifty->log->debug("item ", $i->id, ": $msg"); |
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$items->add_record( $i ); |
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|
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# is new record? |
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if ( $msg !~ m/^Found/ ) { |
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$new++; |
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Grep::Search->add( $i ); |
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} |
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} else { |
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warn "can't add entry ", dump( $entry ), "\n"; |
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} |
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} |
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|
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return ($items, $new); |
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} |
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|
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1; |
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