/[A3C]/lib/A3C/AAIEduHr.pm
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Contents of /lib/A3C/AAIEduHr.pm

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Revision 88 - (show annotations)
Tue Apr 29 19:54:52 2008 UTC (15 years, 11 months ago) by dpavlin
File size: 1661 byte(s)
first try at integrating AAAIEduHr into A3C:

fetch XML from http://shema.aaiedu.hr/
cache it locally (to reduce network traffic and provide offline development) in
JSON format (human readable)
1 package A3C::AAIEduHr;
2
3 use strict;
4 use warnings;
5
6 =head1 NAME
7
8 AAAIEduHr
9
10 =head1 DESCRIPTION
11
12 Pull varios stuff from XML at L<http://shema.aaiedu.hr/> and cache it as
13 JSON on disk
14
15 =cut
16
17 #use base 'Jifty::Object';
18
19 use XML::Simple;
20 use Data::Dump qw/dump/;
21 use File::Slurp;
22 use JSON::XS;
23
24 sub available {
25 my $self = shift;
26
27 my $name = shift;
28 die "invalid format of name" unless $name =~ /^hrEdu\d\d\d$/;
29
30 my $url = "http://shema.aaiedu.hr/aosi/$name.xml";
31 my $xml_path = Jifty::Util->absolute_path( "var/$name.xml" );
32 my $data_path = Jifty::Util->absolute_path( "var/$name.js" );
33
34 # sanity cleanup
35 unlink $xml_path if -s $xml_path == 0;
36 unlink $data_path if -s $data_path == 0;
37
38 # FIXME expire on some other way than rm?
39 if ( ! -e $xml_path ) {
40
41 my $ua = LWP::UserAgent->new;
42 my $res = $ua->get( $url );
43
44 die "can't get $url status: ", $res->status_line
45 unless $res->is_success;
46
47 write_file( $xml_path, $res->content );
48 Jifty->log->info("saved $url into $xml_path");
49 }
50
51 die "can't find xml $xml_path: $!" unless -s $xml_path;
52
53 my $data;
54
55 if ( ! -e $data_path ) {
56 my $xs = XML::Simple->new;
57 $data = $xs->XMLin($xml_path,
58 # KeyAttr => { vocabularyentry => 'key' },
59 ContentKey => '-content',
60 ) || die "can't parse $xml_path: $!";
61
62 write_file( $data_path, encode_json( $data )) || die "can't save into $data_path: $!";
63 Jifty->log->info("saved dump into $data_path");
64 } else {
65 $data = decode_json( read_file( $data_path ) ) || die "can't read $data_path: $!";
66 }
67
68 warn '## ',ref($data),' = ',dump($data);
69
70 die "data not for for $name" unless $data->{name} eq $name;
71
72 return $data;
73 }
74
75 warn "# AAUEduHr loaded\n";
76
77 1;

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