authorities/merge.pl

   1 #!/usr/bin/perl
   2
   3 # Copyright 2013 C & P Bibliography Services
   4 #
   5 # This file is part of Koha.
   6 #
   7 # Koha is free software; you can redistribute it and/or modify it
   8 # under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # Koha is distributed in the hope that it will be useful, but
  13 # WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with Koha; if not, see <http://www.gnu.org/licenses>.
  19
  20 use Modern::Perl;
  21 use CGI qw ( -utf8 );
  22 use C4::Output;
  23 use C4::Auth;
  24 use C4::AuthoritiesMarc;
  25 use C4::Koha;
  26 use C4::Biblio;
  27
  28 use Koha::Authority::Types;
  29 use Koha::MetadataRecord::Authority;
  30
  31 my $input  = new CGI;
  32 my @authid = $input->multi_param('authid');
  33 my $merge  = $input->param('merge');
  34
  35 my @errors;
  36
  37 my ( $template, $loggedinuser, $cookie ) = get_template_and_user(
  38     {
  39         template_name   => "authorities/merge.tt",
  40         query           => $input,
  41         type            => "intranet",
  42         authnotrequired => 0,
  43         flagsrequired   => { editauthorities => 1 },
  44     }
  45 );
  46
  47 #------------------------
  48 # Merging
  49 #------------------------
  50 if ($merge) {
  51
  52     # Creating a new record from the html code
  53     my $record   = TransformHtmlToMarc($input, 0);
  54     my $recordid1   = $input->param('recordid1') // q{};
  55     my $recordid2   = $input->param('recordid2') // q{};
  56     my $typecode = $input->param('frameworkcode');
  57
  58     # Some error checking
  59     if( $recordid1 eq $recordid2 ) {
  60         push @errors, { code => 'DESTRUCTIVE_MERGE' };
  61     } elsif( !$typecode || !Koha::Authority::Types->find($typecode) ) {
  62         push @errors, { code => 'WRONG_FRAMEWORK' };
  63     } elsif( scalar $record->fields == 0 ) {
  64         push @errors, { code => 'EMPTY_MARC' };
  65     }
  66     if( @errors ) {
  67         $template->param( errors => \@errors );
  68         output_html_with_http_headers $input, $cookie, $template->output;
  69         exit;
  70     }
  71
  72     # Rewriting the leader
  73     if( my $authrec = GetAuthority($recordid1) ) {
  74         $record->leader( $authrec->leader() );
  75     }
  76
  77     # Modifying the reference record
  78     # This triggers a merge for the biblios attached to $recordid1
  79     ModAuthority( $recordid1, $record, $typecode );
  80
  81     # Now merge for biblios attached to $recordid2
  82     my $MARCfrom = GetAuthority( $recordid2 );
  83     merge({ mergefrom => $recordid2, MARCfrom => $MARCfrom, mergeto => $recordid1, MARCto => $record });
  84
  85     # Delete the other record. Do not merge. It is unneeded and could under
  86     # special circumstances have unwanted side-effects.
  87     DelAuthority({ authid => $recordid2, skip_merge => 1 });
  88
  89     # Parameters
  90     $template->param(
  91         result  => 1,
  92         recordid1 => $recordid1
  93     );
  94
  95     #-------------------------
  96     # Show records to merge
  97     #-------------------------
  98 }
  99 else {
 100     my $mergereference = $input->param('mergereference');
 101     $template->{'VARS'}->{'mergereference'} = $mergereference;
 102
 103     if ( scalar(@authid) != 2 ) {
 104         push @errors, { code => "WRONG_COUNT", value => scalar(@authid) };
 105     } elsif( $authid[0] eq $authid[1] ) {
 106         push @errors, { code => 'DESTRUCTIVE_MERGE' };
 107     } else {
 108         my $recordObj1 = Koha::MetadataRecord::Authority->get_from_authid($authid[0]);
 109         if (!$recordObj1) {
 110             push @errors, { code => "MISSING_RECORD", value => $authid[0] };
 111         }
 112
 113
 114         my $recordObj2;
 115         if (defined $mergereference && $mergereference eq 'breeding') {
 116             $recordObj2 =  Koha::MetadataRecord::Authority->get_from_breeding($authid[1]);
 117         } else {
 118             $recordObj2 =  Koha::MetadataRecord::Authority->get_from_authid($authid[1]);
 119         }
 120         if (!$recordObj2) {
 121             push @errors, { code => "MISSING_RECORD", value => $authid[1] };
 122         }
 123
 124         unless ( $recordObj1 && $recordObj2 ) {
 125             if (@errors) {
 126                 $template->param( errors => \@errors );
 127             }
 128             output_html_with_http_headers $input, $cookie, $template->output;
 129             exit;
 130         }
 131
 132         if ($mergereference ) {
 133
 134             my $framework;
 135             if ( $recordObj1->authtypecode ne $recordObj2->authtypecode && $mergereference ne 'breeding' ) {
 136                 $framework = $input->param('frameworkcode');
 137             }
 138             else {
 139                 $framework = $recordObj1->authtypecode;
 140             }
 141             if ($mergereference eq 'breeding') {
 142                 $mergereference = $authid[0];
 143             }
 144
 145             # Getting MARC Structure
 146             my $tagslib = GetTagsLabels( 1, $framework );
 147             foreach my $field ( keys %$tagslib ) {
 148                 if ( defined $tagslib->{$field}->{'tab'} && $tagslib->{$field}->{'tab'} eq ' ' ) {
 149                     $tagslib->{$field}->{'tab'} = 0;
 150                 }
 151             }
 152
 153             #Setting $notreference
 154             my $notreference = $authid[1];
 155             if($mergereference == $notreference){
 156                 $notreference = $authid[0];
 157                 #Swap so $recordObj1 is always the correct merge reference
 158                 ($recordObj1, $recordObj2) = ($recordObj2, $recordObj1);
 159             }
 160
 161             # Creating a loop for display
 162
 163             my @records = (
 164                 {
 165                     recordid => $mergereference,
 166                     record => $recordObj1->record,
 167                     frameworkcode => $recordObj1->authtypecode,
 168                     display => $recordObj1->createMergeHash($tagslib),
 169                     reference => 1,
 170                 },
 171                 {
 172                     recordid => $notreference,
 173                     record => $recordObj2->record,
 174                     frameworkcode => $recordObj2->authtypecode,
 175                     display => $recordObj2->createMergeHash($tagslib),
 176                 },
 177             );
 178
 179             # Parameters
 180             $template->param(
 181                 recordid1        => $mergereference,
 182                 recordid2        => $notreference,
 183                 records        => \@records,
 184                 framework      => $framework,
 185             );
 186         }
 187         else {
 188
 189             # Ask the user to choose which record will be the kept
 190             $template->param(
 191                 choosereference => 1,
 192                 recordid1         => $authid[0],
 193                 recordid2         => $authid[1],
 194                 title1          => $recordObj1->authorized_heading,
 195                 title2          => $recordObj2->authorized_heading,
 196             );
 197             if ( $recordObj1->authtypecode ne $recordObj2->authtypecode ) {
 198                 my $authority_types = Koha::Authority::Types->search( { authtypecode => { '!=' => '' } }, { order_by => ['authtypetext'] } );
 199                 $template->param(
 200                     frameworkselect => $authority_types->unblessed,
 201                     frameworkcode1  => $recordObj1->authtypecode,
 202                     frameworkcode2  => $recordObj2->authtypecode,
 203                 );
 204             }
 205         }
 206     }
 207 }
 208
 209 if (@errors) {
 210     $template->param( errors => \@errors );
 211 }
 212 output_html_with_http_headers $input, $cookie, $template->output;