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-community.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 option) 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
  24 # with Koha; if not, write to the Free Software Foundation, Inc.,
  25 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  26
  27 use strict;
  28 #use warnings; FIXME - Bug 2505
  29
  30 # standard or CPAN modules used
  31 use CGI;
  32 use CGI::Cookie;
  33 use MARC::File::USMARC;
  34
  35 # Koha modules used
  36 use C4::Context;
  37 use C4::Auth;
  38 use C4::Output;
  39 use C4::Biblio;
  40 use C4::ImportBatch;
  41 use C4::Matcher;
  42 use C4::UploadedFile;
  43 use C4::BackgroundJob;
  44
  45 my $input = new CGI;
  46 my $dbh = C4::Context->dbh;
  47 $dbh->{AutoCommit} = 0;
  48
  49 my $fileID=$input->param('uploadedfileid');
  50 my $runinbackground = $input->param('runinbackground');
  51 my $completedJobID = $input->param('completedJobID');
  52 my $matcher_id = $input->param('matcher');
  53 my $overlay_action = $input->param('overlay_action');
  54 my $nomatch_action = $input->param('nomatch_action');
  55 my $parse_items = $input->param('parse_items');
  56 my $item_action = $input->param('item_action');
  57 my $comments = $input->param('comments');
  58 my $encoding = $input->param('encoding');
  59 my ($template, $loggedinuser, $cookie)
  60         = get_template_and_user({template_name => "tools/stage-marc-import.tmpl",
  61                                         query => $input,
  62                                         type => "intranet",
  63                                         authnotrequired => 0,
  64                                         flagsrequired => {tools => 'stage_marc_import'},
  65                                         debug => 1,
  66                                         });
  67
  68 $template->param(SCRIPT_NAME => $ENV{'SCRIPT_NAME'},
  69                                                 uploadmarc => $fileID);
  70
  71 my %cookies = parse CGI::Cookie($cookie);
  72 my $sessionID = $cookies{'CGISESSID'}->value;
  73 if ($completedJobID) {
  74     my $job = C4::BackgroundJob->fetch($sessionID, $completedJobID);
  75     my $results = $job->results();
  76     $template->param(map { $_ => $results->{$_} } keys %{ $results });
  77 } elsif ($fileID) {
  78     my $uploaded_file = C4::UploadedFile->fetch($sessionID, $fileID);
  79     my $fh = $uploaded_file->fh();
  80         my $marcrecord='';
  81     $/ = "\035";
  82         while (<$fh>) {
  83         s/^\s+//;
  84         s/\s+$//;
  85                 $marcrecord.=$_;
  86         }
  87
  88     my $filename = $uploaded_file->name();
  89     my $job = undef;
  90     my $staging_callback = sub { };
  91     my $matching_callback = sub { };
  92     if ($runinbackground) {
  93         my $job_size = () = $marcrecord =~ /\035/g;
  94         # if we're matching, job size is doubled
  95         $job_size *= 2 if ($matcher_id ne "");
  96         $job = C4::BackgroundJob->new($sessionID, $filename, $ENV{'SCRIPT_NAME'}, $job_size);
  97         my $jobID = $job->id();
  98
  99         # fork off
 100         if (my $pid = fork) {
 101             # parent
 102             # return job ID as JSON
 103
 104             # prevent parent exiting from
 105             # destroying the kid's database handle
 106             # FIXME: according to DBI doc, this may not work for Oracle
 107             $dbh->{InactiveDestroy}  = 1;
 108
 109             my $reply = CGI->new("");
 110             print $reply->header(-type => 'text/html');
 111             print '{"jobID":"' . $jobID . '"}';
 112             exit 0;
 113         } elsif (defined $pid) {
 114             # child
 115             # close STDOUT to signal to Apache that
 116             # we're now running in the background
 117             close STDOUT;
 118             close STDERR;
 119         } else {
 120             # fork failed, so exit immediately
 121             warn "fork failed while attempting to run $ENV{'SCRIPT_NAME'} as a background job";
 122             exit 0;
 123         }
 124
 125         # if we get here, we're a child that has detached
 126         # itself from Apache
 127         $staging_callback = staging_progress_callback($job, $dbh);
 128         $matching_callback = matching_progress_callback($job, $dbh);
 129
 130     }
 131
 132     # FIXME branch code
 133     my ($batch_id, $num_valid, $num_items, @import_errors) = BatchStageMarcRecords($encoding, $marcrecord, $filename, $comments, '', $parse_items, 0, 50, staging_progress_callback($job, $dbh));
 134
 135     $dbh->commit();
 136
 137     my $num_with_matches = 0;
 138     my $checked_matches = 0;
 139     my $matcher_failed = 0;
 140     my $matcher_code = "";
 141     if ($matcher_id ne "") {
 142         my $matcher = C4::Matcher->fetch($matcher_id);
 143         if (defined $matcher) {
 144             $checked_matches = 1;
 145             $matcher_code = $matcher->code();
 146             $num_with_matches = BatchFindBibDuplicates($batch_id, $matcher,
 147                                                        10, 50, matching_progress_callback($job, $dbh));
 148             SetImportBatchMatcher($batch_id, $matcher_id);
 149             SetImportBatchOverlayAction($batch_id, $overlay_action);
 150             SetImportBatchNoMatchAction($batch_id, $nomatch_action);
 151             SetImportBatchItemAction($batch_id, $item_action);
 152             $dbh->commit();
 153         } else {
 154             $matcher_failed = 1;
 155         }
 156     }
 157
 158     my $results = {
 159             staged => $num_valid,
 160             matched => $num_with_matches,
 161         num_items => $num_items,
 162         import_errors => scalar(@import_errors),
 163         total => $num_valid + scalar(@import_errors),
 164         checked_matches => $checked_matches,
 165         matcher_failed => $matcher_failed,
 166         matcher_code => $matcher_code,
 167         import_batch_id => $batch_id
 168     };
 169     if ($runinbackground) {
 170         $job->finish($results);
 171     } else {
 172             $template->param(staged => $num_valid,
 173                              matched => $num_with_matches,
 174                          num_items => $num_items,
 175                          import_errors => scalar(@import_errors),
 176                          total => $num_valid + scalar(@import_errors),
 177                          checked_matches => $checked_matches,
 178                          matcher_failed => $matcher_failed,
 179                          matcher_code => $matcher_code,
 180                          import_batch_id => $batch_id
 181                         );
 182     }
 183
 184 } else {
 185     # initial form
 186     if (C4::Context->preference("marcflavour") eq "UNIMARC") {
 187         $template->param("UNIMARC" => 1);
 188     }
 189     my @matchers = C4::Matcher::GetMatcherList();
 190     $template->param(available_matchers => \@matchers);
 191 }
 192
 193 output_html_with_http_headers $input, $cookie, $template->output;
 194
 195 exit 0;
 196
 197 sub staging_progress_callback {
 198     my $job = shift;
 199     my $dbh = shift;
 200     return sub {
 201         my $progress = shift;
 202         $job->progress($progress);
 203         $dbh->commit();
 204     }
 205 }
 206
 207 sub matching_progress_callback {
 208     my $job = shift;
 209     my $dbh = shift;
 210     my $start_progress = $job->progress();
 211     return sub {
 212         my $progress = shift;
 213         $job->progress($start_progress + $progress);
 214         $dbh->commit();
 215     }
 216 }