116 lines
No EOL
4.4 KiB
Perl
Executable file
116 lines
No EOL
4.4 KiB
Perl
Executable file
#!/usr/bin/perl
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# script that rebuild thesaurus from biblio table.
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use strict;
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# Koha modules used
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use MARC::File::USMARC;
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use MARC::Record;
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use MARC::Batch;
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use C4::Context;
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use C4::Biblio;
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use C4::AuthoritiesMarc;
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use Time::HiRes qw(gettimeofday);
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use Getopt::Long;
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my ($version, $verbose, $mergefrom,$mergeto,$noconfirm);
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GetOptions(
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'h' => \$version,
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'f:s' => \$mergefrom,
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't:s' => \$mergeto,
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'v' => \$verbose,
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'n' => \$noconfirm,
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);
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if ($version || ($mergefrom eq '')) {
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print <<EOF
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Script to merge an authority into another
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parameters :
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\th : this version/help screen
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\tv : verbose mode (show many things on screen)
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\tf : the authority number to merge (the one that can be deleted after the merge).
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\tt : the authority number where to merge
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\tn : don't ask for confirmation (useful for batch mergings, should not be used on command line)
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All biblios with the authority in -t will be modified to be "connected" to authority -f
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SAMPLE :
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./merge_authority.pl -f 2457 -t 531
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Before doing anything, the script will show both authorities and ask for confirmation. Of course, you can merge only 2 authorities of the same kind.
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EOF
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;#
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die;
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}#/'
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my $dbh = C4::Context->dbh;
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# my @subf = $subfields =~ /(##\d\d\d##.)/g;
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$|=1; # flushes output
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my $authfrom = AUTHgetauthority($mergefrom);
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my $authto = AUTHgetauthority($mergeto);
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my $authtypecodefrom = AUTHfind_authtypecode($mergefrom);
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my $authtypecodeto = AUTHfind_authtypecode($mergeto);
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unless ($noconfirm) {
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print "************\n";
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print "You will merge authority : $mergefrom ($authtypecodefrom)\n".$authfrom->as_formatted;
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print "\n*************\n";
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print "Into authority : $mergeto ($authtypecodeto)\n".$authto->as_formatted;
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print "\n\nDo you confirm (enter YES)?";
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my $confirm = <STDIN>;
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chop $confirm;
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unless (uc($confirm) eq 'YES' and $authtypecodefrom eq $authtypecodeto) {
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print "IMPOSSIBLE : authorities are not of the same type ($authtypecodefrom vs $authtypecodeto) !!!\n" if $authtypecodefrom ne $authtypecodeto;
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print "Merge cancelled\n";
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exit;
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}
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}
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my $starttime = gettimeofday;
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print "Merging\n" unless $noconfirm;
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# search the tag to report
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my $sth = $dbh->prepare("select auth_tag_to_report from auth_types where authtypecode=?");
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$sth->execute($authtypecodefrom);
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my ($auth_tag_to_report) = $sth->fetchrow;
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# my $record_to_report = $authto->field($auth_tag_to_report);
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print "Reporting authority tag $auth_tag_to_report :\n" if $verbose;
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my @record_to = $authto->field($auth_tag_to_report)->subfields();
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my @record_from = $authfrom->field($auth_tag_to_report)->subfields();
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# search all biblio tags using this authority.
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$sth = $dbh->prepare("select distinct tagfield from marc_subfield_structure where authtypecode=?");
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$sth->execute($authtypecodefrom);
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my $tags_using_authtype;
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while (my ($tagfield) = $sth->fetchrow) {
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$tags_using_authtype.= "'".$tagfield."',";
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}
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chop $tags_using_authtype;
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# now, find every biblio using this authority
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my $query = "select bibid,tag,tag_indicator,tagorder,subfieldcode,subfieldorder from marc_subfield_table where tag in ($tags_using_authtype) and subfieldcode='9' and subfieldvalue='$mergefrom'";
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$sth = $dbh->prepare($query);
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$sth->execute;
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my $nbdone;
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# and delete entries before recreating them
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while (my ($bibid,$tag,$tag_indicator,$tagorder,$subfieldcode,$subfieldorder) = $sth->fetchrow) {
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my $biblio = GetMarcBiblio($bibid);
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print "BEFORE : ".$biblio->as_formatted."\n" if $verbose;
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# now, we know what uses the authority & where.
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# delete all subfields that are in the same tag/tagorder and that are in the authority (& that are not in tab ignore in the biblio)
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# then recreate them with the new authority.
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foreach my $subfield (@record_from) {
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&MARCdelsubfield($bibid,$tag,$tagorder,$subfield->[0]);
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}
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&MARCdelsubfield($dbh,$bibid,$tag,$tagorder,'9');
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foreach my $subfield (@record_to) {
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&MARCaddsubfield($bibid,$tag,$tag_indicator,$tagorder,$subfield->[0],$subfieldorder,$subfield->[1]);
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}
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&MARCaddsubfield($bibid,$tag,$tag_indicator,$tagorder,'9',$subfieldorder,$mergeto);
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my $biblio = GetMarcBiblio($bibid);
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print "AFTER : ".$biblio->as_formatted."\n" if $verbose;
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$nbdone++;
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# &MARCdelsubfield($dbh,$bibid,$tag,$tagorder,$subfieldcode,$subfieldorder);
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}
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my $timeneeded = gettimeofday - $starttime;
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print "$nbdone authorities done in $timeneeded seconds" unless $noconfirm; |