Open-ILS/src/perlmods/OpenILS/WWW/Exporter.pm

   1 package OpenILS::WWW::Exporter;
   2 use strict;
   3 use warnings;
   4 use bytes;
   5
   6 use Apache2::Log;
   7 use Apache2::Const -compile => qw(OK REDIRECT DECLINED NOT_FOUND :log);
   8 use APR::Const    -compile => qw(:error SUCCESS);
   9 use Apache2::RequestRec ();
  10 use Apache2::RequestIO ();
  11 use Apache2::RequestUtil;
  12 use CGI;
  13 use Data::Dumper;
  14
  15 use OpenSRF::EX qw(:try);
  16 use OpenSRF::Utils qw/:datetime/;
  17 use OpenSRF::Utils::Cache;
  18 use OpenSRF::System;
  19 use OpenSRF::AppSession;
  20 use XML::LibXML;
  21 use XML::LibXSLT;
  22
  23 use Encode;
  24 use Unicode::Normalize;
  25 use OpenILS::Utils::Fieldmapper;
  26 use OpenSRF::Utils::Logger qw/$logger/;
  27
  28 use MARC::Record;
  29 use MARC::File::XML;
  30
  31 use UNIVERSAL::require;
  32
  33 our @formats = qw/USMARC UNIMARC XML BRE/;
  34
  35 # set the bootstrap config and template include directory when
  36 # this module is loaded
  37 my $bootstrap;
  38
  39 sub import {
  40         my $self = shift;
  41         $bootstrap = shift;
  42 }
  43
  44
  45 sub child_init {
  46         OpenSRF::System->bootstrap_client( config_file => $bootstrap );
  47 }
  48
  49 sub handler {
  50         my $r = shift;
  51         my $cgi = new CGI;
  52
  53         my @records = $cgi->param('id');
  54
  55         return 200 unless (@records);
  56
  57         my $type = $cgi->param('rectype') || 'biblio';
  58         if ($type ne 'biblio' && $type ne 'authority') {
  59                 die "Bad record type: $type";
  60         }
  61
  62         my $tcn_v = 'tcn_value';
  63         my $tcn_s = 'tcn_source';
  64
  65         if ($type eq 'authority') {
  66                 $tcn_v = 'arn_value';
  67                 $tcn_s = 'arn_source';
  68         }
  69
  70         my $holdings = $cgi->param('holdings') if ($type eq 'biblio');
  71         my $location = $cgi->param('location') || 'gaaagpl'; # just because...
  72
  73         my $format = $cgi->param('format') || 'USMARC';
  74         $format = uc($format);
  75
  76         my $encoding = $cgi->param('encoding') || 'UTF-8';
  77         $encoding = uc($encoding);
  78
  79         my $filename = $cgi->param('filename') || "export.$type.$encoding.$format";
  80
  81         binmode(STDOUT, ':raw') if ($encoding ne 'UTF-8');
  82         binmode(STDOUT, ':utf8') if ($encoding eq 'UTF-8');
  83
  84         if (!grep { uc($format) eq $_ } @formats) {
  85                 die     "Please select a supported format.  ".
  86                         "Right now that means one of [".
  87                         join('|',@formats). "]\n";
  88         }
  89
  90         if ($format ne 'XML') {
  91                 my $ftype = 'MARC::File::' . $format;
  92                 $ftype->require;
  93         }
  94
  95         my $ses = OpenSRF::AppSession->create('open-ils.cstore');
  96
  97         $r->headers_out->set("Content-Disposition" => "inline; filename=$filename");
  98
  99         if (uc($format) eq 'XML') {
 100                 $r->send_http_header('application/xml');
 101         } else {
 102                 $r->send_http_header('application/octet-stream');
 103         }
 104
 105         $r->print( <<"  HEADER" ) if (uc($format) eq 'XML');
 106 <?xml version="1.0" encoding="$encoding"?>
 107 <collection xmlns='http://www.loc.gov/MARC21/slim'>
 108         HEADER
 109
 110         my %orgs;
 111         my %shelves;
 112
 113         my $flesh = {};
 114         if ($holdings) {
 115
 116                 my $req = $ses->request( 'open-ils.cstore.direct.actor.org_unit.search', { id => { '!=' => undef } } );
 117
 118                 while (my $o = $req->recv) {
 119                         die $req->failed->stringify if ($req->failed);
 120                         $o = $o->content;
 121                         last unless ($o);
 122                         $orgs{$o->id} = $o;
 123                 }
 124                 $req->finish;
 125
 126                 $req = $ses->request( 'open-ils.cstore.direct.asset.copy_location.search', { id => { '!=' => undef } } );
 127
 128                 while (my $s = $req->recv) {
 129                         die $req->failed->stringify if ($req->failed);
 130                         $s = $s->content;
 131                         last unless ($s);
 132                         $shelves{$s->id} = $s;
 133                 }
 134                 $req->finish;
 135
 136                 $flesh = { flesh => 2, flesh_fields => { bre => [ 'call_numbers' ], acn => [ 'copies' ] } };
 137         }
 138
 139         for my $i ( @records ) {
 140                 my $bib;
 141                 try {
 142                         local $SIG{ALRM} = sub { die "TIMEOUT\n" };
 143                         alarm(1);
 144                         $bib = $ses->request( "open-ils.cstore.direct.$type.record_entry.retrieve", $i, $flesh )->gather(1);
 145                         alarm(0);
 146                 } otherwise {
 147                         warn "\n!!!!!! Timed out trying to read record $i\n";
 148                 };
 149                 alarm(0);
 150
 151                 next unless $bib;
 152
 153                 if (uc($format) eq 'BRE') {
 154                         $r->print( OpenSRF::Utils::JSON->perl2JSON($bib) );
 155                         next;
 156                 }
 157
 158                 try {
 159
 160                         my $req = MARC::Record->new_from_xml( $bib->marc, $encoding, $format );
 161                         $req->delete_field( $_ ) for ($req->field(901));
 162
 163                         $req->append_fields(
 164                                 MARC::Field->new(
 165                                         901, '', '',
 166                                         a => $bib->$tcn_v,
 167                                         b => $bib->$tcn_s,
 168                                         c => $bib->id
 169                                 )
 170                         );
 171
 172
 173                         if ($holdings) {
 174                                 my $cn_list = $bib->call_numbers;
 175                                 if ($cn_list && @$cn_list) {
 176
 177                                         my $cp_list = [ map { @{ $_->copies } } @$cn_list ];
 178                                         if ($cp_list && @$cp_list) {
 179
 180                                                 my %cn_map;
 181                                                 push @{$cn_map{$_->call_number}}, $_ for (@$cp_list);
 182
 183                                                 for my $cn ( @$cn_list ) {
 184                                                         my $cn_map_list = $cn_map{$cn->id};
 185
 186                                                         for my $cp ( @$cn_map_list ) {
 187
 188                                                                 $req->append_fields(
 189                                                                         MARC::Field->new(
 190                                                                                 852, '4', '',
 191                                                                                 a => $location,
 192                                                                                 b => $orgs{$cn->owning_lib}->shortname,
 193                                                                                 b => $orgs{$cp->circ_lib}->shortname,
 194                                                                                 c => $shelves{$cp->location}->name,
 195                                                                                 j => $cn->label,
 196                                                                                 ($cp->circ_modifier ? ( g => $cp->circ_modifier ) : ()),
 197                                                                                 p => $cp->barcode,
 198                                                                                 ($cp->price ? ( y => $cp->price ) : ()),
 199                                                                                 ($cp->copy_number ? ( t => $cp->copy_number ) : ()),
 200                                                                                 ($cp->ref eq 't' ? ( x => 'reference' ) : ()),
 201                                                                                 ($cp->holdable eq 'f' ? ( x => 'unholdable' ) : ()),
 202                                                                                 ($cp->circulate eq 'f' ? ( x => 'noncirculating' ) : ()),
 203                                                                                 ($cp->opac_visible eq 'f' ? ( x => 'hidden' ) : ()),
 204                                                                         )
 205                                                                 );
 206
 207                                                         }
 208                                                 }
 209                                         }
 210                                 }
 211                         }
 212
 213                         if (uc($format) eq 'XML') {
 214                                 my $x = $req->as_xml_record;
 215                                 $x =~ s/^<\?xml version="1.0" encoding="UTF-8"\?>//o;
 216                                 $r->print($x);
 217                         } elsif (uc($format) eq 'UNIMARC') {
 218                                 $r->print($req->as_unimarc);
 219                         } elsif (uc($format) eq 'USMARC') {
 220                                 $r->print($req->as_usmarc);
 221                         }
 222
 223                 } otherwise {
 224                         my $e = shift;
 225                         warn "\n$e\n";
 226                 };
 227
 228         }
 229
 230         $r->print("</collection>\n") if ($format eq 'XML');
 231
 232         return Apache2::Const::OK;
 233
 234 }
 235
 236 1;