trunk/Meteor/Koha.pm

package Meteor::Koha;

use strict;
use warnings;

my $use_disk_cache = 1;

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, $sid ) = @_;

        my $item = unpack('h*', substr($sid,-8)) % 10000;

        my $html;
        my $status = 200;

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

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

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

        } elsif ( $use_disk_cache && -e $path ) {
        
                $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	package Meteor::Koha;
2
3	use strict;
4	use warnings;
5
6	my $use_disk_cache = 1;
7
8	use LWP::UserAgent;
9
10	my $ua = LWP::UserAgent->new;
11
12	our $cache;
13
14	use HTML::Query qw/Query/;
15	use File::Slurp;
16	use Encode qw/decode/;
17	use Data::Dump qw/dump/;
18
19	sub item {
20	my ( $class, $client, $sid ) = @_;
21
22	my $item = unpack('h*', substr($sid,-8)) % 10000;
23
24	my $html;
25	my $status = 200;
26
27	my $path = "cache/$item.html";
28
29	if ( $html = $cache->{$item} ) {
30
31	warn "# koha item $item from cache\n";
32
33	} elsif ( $use_disk_cache && -e $path ) {
34
35	$html = $cache->{$item} = read_file( $path );
36
37	} else {
38
39	my $url = 'http://koha.ffzg.hr/cgi-bin/koha/opac-detail.pl?biblionumber=' . $item;
40
41	my $response = $ua->get( $url );
42
43	if ($response->is_success) {
44
45	$html = $response->content;
46
47	write_file( "cache/$item.koha.html", $html );
48
49	warn "## size before: ", length( $html );
50
51	$html = decode( 'utf-8', $html );
52	my $q = Query( text => $html, 'div.container' )
53	\|\| die;
54	$html = $q->as_HTML->[0];
55
56	warn "## size after: ", length( $html ), dump( $html );
57
58	$cache->{$item} = $html;
59	write_file( $path, $html );
60
61	} else {
62
63	$html = qq{Can't load $item } . $response->status_line;
64	# $status = 404;
65
66	}
67	}
68
69	my $len = length($html);
70
71	warn "# koha item $item [$len]\n";
72
73	$client->write(
74	"HTTP/1.1 $status OK\r\n" .
75	"Content-Type: text/html\r\n" .
76	"Content-length: $len\r\n" .
77	"Connection: close\r\n" .
78	"\r\n\r\n$html\r\n"
79	);
80
81	}
82
83	1;