misc/cronjobs/delete_records_via_leader.pl

   1 #!/usr/bin/perl
   2
   3 #-----------------------------------
   4 # Copyright 2013 ByWater Solutions
   5 #
   6 # This file is part of Koha.
   7 #
   8 # Koha is free software; you can redistribute it and/or modify it
   9 # under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 3 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # Koha is distributed in the hope that it will be useful, but
  14 # WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with Koha; if not, see <http://www.gnu.org/licenses>.
  20 #-----------------------------------
  21
  22 use Modern::Perl;
  23
  24 binmode( STDOUT, ":encoding(UTF-8)" );
  25
  26 BEGIN {
  27
  28     # find Koha's Perl modules
  29     # test carefully before changing this
  30     use FindBin;
  31     eval { require "$FindBin::Bin/../kohalib.pl" };
  32 }
  33
  34 use Getopt::Long;
  35 use Pod::Usage;
  36 use Koha::Script -cron;
  37 use C4::Biblio;
  38 use C4::Items;
  39 use Koha::Database;
  40 use Koha::Biblios;
  41 use Koha::Biblio::Metadatas;
  42 use Koha::Items;
  43
  44 my $delete_items;
  45 my $confirm;
  46 my $test;
  47 my $verbose;
  48 my $help;
  49
  50 GetOptions(
  51     'i|di|delete-items' => \$delete_items,
  52     'c|confirm'         => \$confirm,
  53     't|test'            => \$test,
  54     'v|verbose'         => \$verbose,
  55     'h|help'            => \$help,
  56 );
  57
  58 pod2usage(q|--test and --confirm cannot be specified together|) if $test and $confirm;
  59
  60 unless ( $confirm or $test ) {
  61     warn "Running in test mode as --confirm is not passed\n";
  62     $test = 1;
  63 }
  64
  65 if ( $help ) {
  66     say qq{
  67 delete_records_via_leader.pl - Attempt to delete any MARC records where the leader character 5 equals 'd'
  68 usage: delete_records_via_leader.pl --confirm --verbose [--test]
  69 This script has the following parameters :
  70     -h --help: Prints this message
  71     -c --confirm: Script will do nothing without this parameter
  72     -v --verbose: Be verbose
  73     -t --test: Test mode, does not delete records.
  74                Test mode cannot determine if a record/item will be deleted successfully,
  75                it will only tell you what records and items the script will attempt to delete.
  76     -i --delete-items: Try deleting items before deleting record.
  77                        Records with items cannot be deleted.
  78 };
  79     exit();
  80 }
  81
  82 my @metadatas =    # Should be replaced by a call to C4::Search on zebra index
  83                    # Record-status when bug 15537 will be pushed
  84   Koha::Biblio::Metadatas->search( { format => 'marcxml', schema => C4::Context->preference('marcflavour'), metadata => { LIKE => '%<leader>_____d%' } } );
  85
  86 my $total_records_count   = @metadatas;
  87 my $deleted_records_count = 0;
  88 my $total_items_count     = 0;
  89 my $deleted_items_count   = 0;
  90 foreach my $m (@metadatas) {
  91     my $biblionumber = $m->get_column('biblionumber');
  92
  93     say "RECORD: $biblionumber" if $verbose;
  94
  95     if ($delete_items) {
  96         my $deleted_count = 0;
  97         my $biblio = Koha::Biblios->find( $biblionumber );
  98         my @items = Koha::Items->search( { biblionumber => $biblionumber } );
  99         foreach my $item ( @items ) {
 100             my $itemnumber = $item->itemnumber;
 101
 102             my $error = $test ? "Test mode enabled" : $item->safe_delete;
 103             $error = undef if $error eq '1';
 104
 105             if ($error) {
 106                 say "ERROR DELETING ITEM $itemnumber: $error";
 107             }
 108             else {
 109                 say "DELETED ITEM $itemnumber" if $verbose;
 110                 $deleted_items_count++;
 111             }
 112
 113             $total_items_count++;
 114         }
 115
 116     }
 117
 118     my $error = $test ? q{Test mode enabled} : DelBiblio($biblionumber);
 119     if ( $error ) {
 120         say "ERROR DELETING BIBLIO $biblionumber: $error";
 121     } else {
 122         say "DELETED BIBLIO $biblionumber" if $verbose;
 123         $deleted_records_count++;
 124     }
 125
 126     say q{};
 127 }
 128
 129 if ( $verbose ) {
 130     say "DELETED $deleted_records_count OF $total_records_count RECORDS";
 131     say "DELETED $deleted_items_count OF $total_items_count ITEMS" if $delete_items;
 132 }