trunk/Meteor/Koha.pm

package Meteor::Koha;

use strict;
use warnings;

use LWP::UserAgent;

my $ua = LWP::UserAgent->new;

our $cache;

use HTML::Query qw/Query/;
use File::Slurp;
use Encode qw/decode/;
use Data::Dump qw/dump/;

sub item {
        my ( $class, $client, $item ) = @_;

        my $html;
        my $status = 200;

        my $path = "cache/$item.html";

        if ( $html = $cache->{$item} ) {

                warn "# koha item $item from cache\n";

        } elsif ( 0 && -e $path ) { # FIXME enable
        
                $html = $cache->{$item} = read_file( $path );

        } else {

                my $url = 'http://koha.ffzg.hr/cgi-bin/koha/opac-detail.pl?biblionumber=' . $item;

                my $response = $ua->get( $url );

                if ($response->is_success) {

                        $html = $response->content;

                        write_file( "cache/$item.koha.html", $html );

                        warn "## size before: ", length( $html );

                        $html = decode( 'utf-8', $html );
                        my $q = Query( text => $html, 'div.container' )
                                || die;
                        $html = $q->as_HTML->[0];

                        warn "## size after: ", length( $html ), dump( $html );

                        $cache->{$item} = $html;
                        write_file( $path, $html );

                } else {

                        $html = qq{Can't load $item } . $response->status_line;
#                       $status = 404;

                }
        }

        my $len = length($html);

        warn "# koha item $item [$len]\n";

        $client->write(
                "HTTP/1.1 $status OK\r\n" .
                "Content-Type: text/html\r\n" .
                "Content-length: $len\r\n" .
                "Connection: close\r\n" .
                "\r\n\r\n$html\r\n"
        );

}

1;
1	dpavlin	70	package Meteor::Koha;
2
3			use strict;
4			use warnings;
5
6			use LWP::UserAgent;
7
8			my $ua = LWP::UserAgent->new;
9
10	dpavlin	71	our $cache;
11
12	dpavlin	79	use HTML::Query qw/Query/;
13			use File::Slurp;
14			use Encode qw/decode/;
15			use Data::Dump qw/dump/;
16
17	dpavlin	70	sub item {
18			my ( $class, $client, $item ) = @_;
19
20	dpavlin	71	my $html;
21	dpavlin	77	my $status = 200;
22	dpavlin	70
23	dpavlin	79	my $path = "cache/$item.html";
24
25	dpavlin	71	if ( $html = $cache->{$item} ) {
26	dpavlin	70
27	dpavlin	71	warn "# koha item $item from cache\n";
28	dpavlin	70
29	dpavlin	79	} elsif ( 0 && -e $path ) { # FIXME enable
30
31			$html = $cache->{$item} = read_file( $path );
32
33	dpavlin	71	} else {
34
35			my $url = 'http://koha.ffzg.hr/cgi-bin/koha/opac-detail.pl?biblionumber=' . $item;
36
37			my $response = $ua->get( $url );
38
39	dpavlin	77	if ($response->is_success) {
40	dpavlin	71
41	dpavlin	77	$html = $response->content;
42
43	dpavlin	79	write_file( "cache/$item.koha.html", $html );
44
45			warn "## size before: ", length( $html );
46
47			$html = decode( 'utf-8', $html );
48			my $q = Query( text => $html, 'div.container' )
49			\|\| die;
50			$html = $q->as_HTML->[0];
51
52			warn "## size after: ", length( $html ), dump( $html );
53
54	dpavlin	77	$cache->{$item} = $html;
55	dpavlin	79	write_file( $path, $html );
56	dpavlin	77
57			} else {
58
59			$html = qq{Can't load $item } . $response->status_line;
60			# $status = 404;
61
62			}
63	dpavlin	71	}
64
65	dpavlin	70	my $len = length($html);
66
67			warn "# koha item $item [$len]\n";
68
69			$client->write(
70	dpavlin	77	"HTTP/1.1 $status OK\r\n" .
71	dpavlin	70	"Content-Type: text/html\r\n" .
72			"Content-length: $len\r\n" .
73			"Connection: close\r\n" .
74			"\r\n\r\n$html\r\n"
75			);
76
77			}
78
79			1;