tools/stage-marc-import.pl

   1 #!/usr/bin/perl
   2
   3 # Script for handling import of MARC data into Koha db
   4 #   and Z39.50 lookups
   5
   6 # Koha library project  www.koha.org
   7
   8 # Licensed under the GPL
   9
  10 # Copyright 2000-2002 Katipo Communications
  11 #
  12 # This file is part of Koha.
  13 #
  14 # Koha is free software; you can redistribute it and/or modify it under the
  15 # terms of the GNU General Public License as published by the Free Software
  16 # Foundation; either version 2 of the License, or (at your op) any later
  17 # version.
  18 #
  19 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
  20 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  21 # A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  22 #
  23 # You should have received a copy of the GNU General Public License along with
  24 # Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
  25 # Suite 330, Boston, MA  02111-1307 USA
  26
  27 use strict;
  28
  29 # standard or CPAN modules used
  30 use CGI;
  31 use CGI::Cookie;
  32 use MARC::File::USMARC;
  33
  34 # Koha modules used
  35 use C4::Context;
  36 use C4::Auth;
  37 use C4::Output;
  38 use C4::Biblio;
  39 use C4::ImportBatch;
  40 use C4::Matcher;
  41 use C4::UploadedFile;
  42 use C4::BackgroundJob;
  43
  44 my $input = new CGI;
  45 my $dbh = C4::Context->dbh;
  46 $dbh->{AutoCommit} = 0;
  47
  48 my $fileID=$input->param('uploadedfileid');
  49 my $runinbackground = $input->param('runinbackground');
  50 my $completedJobID = $input->param('completedJobID');
  51 my $matcher_id = $input->param('matcher');
  52 my $overlay_action = $input->param('overlay_action');
  53 my $nomatch_action = $input->param('nomatch_action');
  54 my $parse_items = $input->param('parse_items');
  55 my $item_action = $input->param('item_action');
  56 my $comments = $input->param('comments');
  57 my $syntax = $input->param('syntax');
  58 my ($template, $loggedinuser, $cookie)
  59         = get_template_and_user({template_name => "tools/stage-marc-import.tmpl",
  60                                         query => $input,
  61                                         type => "intranet",
  62                                         authnotrequired => 0,
  63                                         flagsrequired => {tools => 'stage_marc_import'},
  64                                         debug => 1,
  65                                         });
  66
  67 $template->param(SCRIPT_NAME => $ENV{'SCRIPT_NAME'},
  68                                                 uploadmarc => $fileID);
  69
  70 my %cookies = parse CGI::Cookie($cookie);
  71 my $sessionID = $cookies{'CGISESSID'}->value;
  72 if ($completedJobID) {
  73     my $job = C4::BackgroundJob->fetch($sessionID, $completedJobID);
  74     my $results = $job->results();
  75     $template->param(map { $_ => $results->{$_} } keys %{ $results });
  76 } elsif ($fileID) {
  77     my $uploaded_file = C4::UploadedFile->fetch($sessionID, $fileID);
  78     my $fh = $uploaded_file->fh();
  79         my $marcrecord='';
  80     $/ = "\035";
  81         while (<$fh>) {
  82         s/^\s+//;
  83         s/\s+$//;
  84                 $marcrecord.=$_;
  85         }
  86
  87     my $filename = $uploaded_file->name();
  88     my $job = undef;
  89     my $staging_callback = sub { };
  90     my $matching_callback = sub { };
  91     if ($runinbackground) {
  92         my $job_size = () = $marcrecord =~ /\035/g;
  93         # if we're matching, job size is doubled
  94         $job_size *= 2 if ($matcher_id ne "");
  95         $job = C4::BackgroundJob->new($sessionID, $filename, $ENV{'SCRIPT_NAME'}, $job_size);
  96         my $jobID = $job->id();
  97
  98         # fork off
  99         if (my $pid = fork) {
 100             # parent
 101             # return job ID as JSON
 102
 103             # prevent parent exiting from
 104             # destroying the kid's database handle
 105             # FIXME: according to DBI doc, this may not work for Oracle
 106             $dbh->{InactiveDestroy}  = 1;
 107
 108             my $reply = CGI->new("");
 109             print $reply->header(-type => 'text/html');
 110             print "{ jobID: '$jobID' }";
 111             exit 0;
 112         } elsif (defined $pid) {
 113             # child
 114             # close STDOUT to signal to Apache that
 115             # we're now running in the background
 116             close STDOUT;
 117             close STDERR;
 118         } else {
 119             # fork failed, so exit immediately
 120             warn "fork failed while attempting to run $ENV{'SCRIPT_NAME'} as a background job";
 121             exit 0;
 122         }
 123
 124         # if we get here, we're a child that has detached
 125         # itself from Apache
 126         $staging_callback = staging_progress_callback($job, $dbh);
 127         $matching_callback = matching_progress_callback($job, $dbh);
 128
 129     }
 130
 131     # FIXME branch code
 132     my ($batch_id, $num_valid, $num_items, @import_errors) = BatchStageMarcRecords($syntax, $marcrecord, $filename,
 133                                                                                    $comments, '', $parse_items, 0,
 134                                                                                    50, staging_progress_callback($job, $dbh));
 135     $dbh->commit();
 136     my $num_with_matches = 0;
 137     my $checked_matches = 0;
 138     my $matcher_failed = 0;
 139     my $matcher_code = "";
 140     if ($matcher_id ne "") {
 141         my $matcher = C4::Matcher->fetch($matcher_id);
 142         if (defined $matcher) {
 143             $checked_matches = 1;
 144             $matcher_code = $matcher->code();
 145             $num_with_matches = BatchFindBibDuplicates($batch_id, $matcher,
 146                                                        10, 50, matching_progress_callback($job, $dbh));
 147             SetImportBatchMatcher($batch_id, $matcher_id);
 148             SetImportBatchOverlayAction($batch_id, $overlay_action);
 149             SetImportBatchNoMatchAction($batch_id, $nomatch_action);
 150             SetImportBatchItemAction($batch_id, $item_action);
 151             $dbh->commit();
 152         } else {
 153             $matcher_failed = 1;
 154         }
 155     }
 156
 157     my $results = {
 158             staged => $num_valid,
 159             matched => $num_with_matches,
 160         num_items => $num_items,
 161         import_errors => scalar(@import_errors),
 162         total => $num_valid + scalar(@import_errors),
 163         checked_matches => $checked_matches,
 164         matcher_failed => $matcher_failed,
 165         matcher_code => $matcher_code,
 166         import_batch_id => $batch_id
 167     };
 168     if ($runinbackground) {
 169         $job->finish($results);
 170     } else {
 171             $template->param(staged => $num_valid,
 172                              matched => $num_with_matches,
 173                          num_items => $num_items,
 174                          import_errors => scalar(@import_errors),
 175                          total => $num_valid + scalar(@import_errors),
 176                          checked_matches => $checked_matches,
 177                          matcher_failed => $matcher_failed,
 178                          matcher_code => $matcher_code,
 179                          import_batch_id => $batch_id
 180                         );
 181     }
 182
 183 } else {
 184     # initial form
 185     if (C4::Context->preference("marcflavour") eq "UNIMARC") {
 186         $template->param("UNIMARC" => 1);
 187     }
 188     my @matchers = C4::Matcher::GetMatcherList();
 189     $template->param(available_matchers => \@matchers);
 190 }
 191
 192 output_html_with_http_headers $input, $cookie, $template->output;
 193
 194 exit 0;
 195
 196 sub staging_progress_callback {
 197     my $job = shift;
 198     my $dbh = shift;
 199     return sub {
 200         my $progress = shift;
 201         $job->progress($progress);
 202         $dbh->commit();
 203     }
 204 }
 205
 206 sub matching_progress_callback {
 207     my $job = shift;
 208     my $dbh = shift;
 209     my $start_progress = $job->progress();
 210     return sub {
 211         my $progress = shift;
 212         $job->progress($start_progress + $progress);
 213         $dbh->commit();
 214     }
 215 }