139 lines
4.7 KiB
Perl
139 lines
4.7 KiB
Perl
#!/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,$noconfirm,$batch);
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GetOptions(
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'h' => \$version,
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'f:s' => \$mergefrom,
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'v' => \$verbose,
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'n' => \$noconfirm,
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'b' => \$batch,
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);
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if ($version || ($mergefrom eq '' && !$batch)) {
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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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\tb : batch merging.
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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 and the authority entry removed
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SAMPLE :
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./delete_authority.pl -f 2457
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BATCH MODE :
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./delete_authority.pl -b
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(don't forget to export PERL5LIB and KOHA_CONF. Here is my cron job :
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SHELL=/bin/bash
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*/5 * * * * export PERL5LIB=/home/httpd/koha;export KOHA_CONF=/etc/mykoha.conf;/home/httpd/koha/scripts/misc/delete_authority.pl -b -n
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EOF
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;#
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exit;
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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 $starttime = gettimeofday;
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if ($batch) {
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my @authlist;
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my $cgidir = C4::Context->intranetdir ."/cgi-bin";
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unless (opendir(DIR, "$cgidir/localfile/deleted_authorities")) {
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$cgidir = C4::Context->intranetdir;
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opendir(DIR, "$cgidir/localfile/deleted_authorities") || die "can't opendir $cgidir/localfile/deleted_authorities: $!";
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}
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while (my $authid = readdir(DIR)) {
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if ($authid =~ /\.authid$/) {
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$authid =~ s/\.authid$//;
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print "managing $authid\n" if $verbose;
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my $MARCauth = AUTHgetauthority($dbh,$authid);
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&merge($dbh,$authid,$MARCauth,$authid,$MARCauth) if ($MARCauth);
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unlink $cgidir.'/localfile/deleted_authorities/'.$authid.'.authid';
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}
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}
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closedir DIR;
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} else {
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my $MARCfrom = AUTHgetauthority($dbh,$mergefrom);
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&del_auth($dbh,$mergefrom,$MARCfrom);
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}
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my $timeneeded = gettimeofday - $starttime;
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print "Done in $timeneeded seconds" unless $noconfirm;
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sub del_auth {
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my ($dbh,$mergefrom,$MARCfrom) = @_;
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# return if authority does not exist
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my $authtypecodefrom = AUTHfind_authtypecode($dbh,$mergefrom);
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my @X = $MARCfrom->fields();
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return if $#X == -1;
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unless ($noconfirm) {
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print "************\n";
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print "You will delete authority : $mergefrom \n".$MARCfrom->as_formatted;
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print "\n*************\n";
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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') {
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print "Deletion cancelled\n";
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exit;
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}
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}
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print "Deleting\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 = $MARCto->field($auth_tag_to_report);
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print "Deleting authority tag $auth_tag_to_report :\n" if $verbose;
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my @record_from;
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@record_from = $MARCfrom->field($auth_tag_to_report)->subfields() if $MARCfrom->field($auth_tag_to_report);
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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 $nbdone;
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# and delete entries
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while (my ($bibid,$tag,$tag_indicator,$tagorder,$subfieldcode,$subfieldorder) = $sth->fetchrow) {
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my $biblio = MARCgetbiblio($dbh,$bibid);
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print "BEFORE : ".$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 $subfield (@record_from) {
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&MARCdelsubfield($dbh,$bibid,$tag,$tagorder,$subfield->[0]);
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}
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&MARCdelsubfield($dbh,$bibid,$tag,$tagorder,'9');
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my $biblio = MARCgetbiblio($dbh,$bibid);
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print "AFTER : ".$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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} |