MARC authority management package
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package C4::AuthoritiesMarc;
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# Copyright 2000-2002 Katipo Communications
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#
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# This file is part of Koha.
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#
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# Koha is free software; you can redistribute it and/or modify it under the
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# terms of the GNU General Public License as published by the Free Software
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# Foundation; either version 2 of the License, or (at your option) any later
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# version.
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#
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# Koha is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along with
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# Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
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# Suite 330, Boston, MA 02111-1307 USA
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use strict;
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require Exporter;
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use C4::Context;
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use C4::Database;
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use MARC::Record;
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use vars qw($VERSION @ISA @EXPORT);
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# set the version for version checking
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$VERSION = 0.01;
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@ISA = qw(Exporter);
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@EXPORT = qw(
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&AUTHgettagslib
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&MARCfindsubfield
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&MARCfind_frameworkcode
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&AUTHaddauthority
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&AUTHmodauthority
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&AUTHdelauthority
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&AUTHaddsubfield
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&AUTHgetauthority
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&MARCmodsubfield
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&AUTHhtml2marc
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&AUTHaddword
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&MARCaddword &MARCdelword
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&char_decode
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);
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sub AUTHgettagslib {
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my ($dbh,$forlibrarian,$authtypecode)= @_;
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warn "AUTH : $authtypecode";
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$authtypecode="" unless $authtypecode;
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warn "AUTH : $authtypecode";
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my $sth;
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my $libfield = ($forlibrarian eq 1)? 'liblibrarian' : 'libopac';
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# check that framework exists
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$sth=$dbh->prepare("select count(*) from auth_tag_structure where authtypecode=?");
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$sth->execute($authtypecode);
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my ($total) = $sth->fetchrow;
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$authtypecode="" unless ($total >0);
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$sth=$dbh->prepare("select tagfield,$libfield as lib,mandatory,repeatable from auth_tag_structure where authtypecode=? order by tagfield");
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$sth->execute($authtypecode);
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my ($lib,$tag,$res,$tab,$mandatory,$repeatable);
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while ( ($tag,$lib,$mandatory,$repeatable) = $sth->fetchrow) {
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$res->{$tag}->{lib}=$lib;
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$res->{$tab}->{tab}=""; # XXX
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$res->{$tag}->{mandatory}=$mandatory;
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$res->{$tag}->{repeatable}=$repeatable;
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}
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$sth=$dbh->prepare("select tagfield,tagsubfield,$libfield as lib,tab, mandatory, repeatable,authorised_value,value_builder,seealso from auth_subfield_structure where authtypecode=? order by tagfield,tagsubfield");
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$sth->execute($authtypecode);
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my $subfield;
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my $authorised_value;
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my $thesaurus_category;
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my $value_builder;
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my $kohafield;
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my $seealso;
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my $hidden;
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my $isurl;
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while ( ($tag, $subfield, $lib, $tab, $mandatory, $repeatable,$authorised_value,$value_builder,$seealso) = $sth->fetchrow) {
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$res->{$tag}->{$subfield}->{lib}=$lib;
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$res->{$tag}->{$subfield}->{tab}=$tab;
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$res->{$tag}->{$subfield}->{mandatory}=$mandatory;
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$res->{$tag}->{$subfield}->{repeatable}=$repeatable;
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$res->{$tag}->{$subfield}->{authorised_value}=$authorised_value;
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$res->{$tag}->{$subfield}->{thesaurus_category}=$thesaurus_category;
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$res->{$tag}->{$subfield}->{value_builder}=$value_builder;
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$res->{$tag}->{$subfield}->{seealso}=$seealso;
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$res->{$tag}->{$subfield}->{hidden}=$hidden;
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$res->{$tag}->{$subfield}->{isurl}=$isurl;
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}
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return $res;
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}
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sub AUTHaddauthority {
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# pass the MARC::Record to this function, and it will create the records in the marc tables
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my ($dbh,$record,$authid,$authtypecode) = @_;
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my @fields=$record->fields();
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# warn "IN AUTHaddauthority $authid => ".$record->as_formatted;
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# adding main table, and retrieving authid
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# if authid is sent, then it's not a true add, it's only a re-add, after a delete (ie, a mod)
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# if authid empty => true add, find a new authid number
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unless ($authid) {
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$dbh->do("lock tables auth_header WRITE,auth_subfield_table WRITE, auth_word WRITE, stopwords READ");
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my $sth=$dbh->prepare("insert into auth_header (datecreated,authtypecode) values (now(),?)");
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$sth->execute($authtypecode);
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$sth=$dbh->prepare("select max(authid) from auth_header");
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$sth->execute;
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($authid)=$sth->fetchrow;
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$sth->finish;
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}
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my $fieldcount=0;
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# now, add subfields...
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foreach my $field (@fields) {
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$fieldcount++;
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if ($field->tag() <10) {
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&AUTHaddsubfield($dbh,$authid,
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$field->tag(),
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'',
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$fieldcount,
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'',
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1,
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$field->data()
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);
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} else {
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my @subfields=$field->subfields();
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foreach my $subfieldcount (0..$#subfields) {
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&AUTHaddsubfield($dbh,$authid,
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$field->tag(),
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$field->indicator(1).$field->indicator(2),
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$fieldcount,
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$subfields[$subfieldcount][0],
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$subfieldcount+1,
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$subfields[$subfieldcount][1]
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);
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}
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}
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}
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$dbh->do("unlock tables");
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return $authid;
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}
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sub AUTHaddsubfield {
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# Add a new subfield to a tag into the DB.
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my ($dbh,$authid,$tagid,$tag_indicator,$tagorder,$subfieldcode,$subfieldorder,$subfieldvalues) = @_;
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# if not value, end of job, we do nothing
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if (length($subfieldvalues) ==0) {
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return;
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}
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if (not($subfieldcode)) {
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$subfieldcode=' ';
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}
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my @subfieldvalues = split /\|/,$subfieldvalues;
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foreach my $subfieldvalue (@subfieldvalues) {
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my $sth=$dbh->prepare("insert into auth_subfield_table (authid,tag,tagorder,tag_indicator,subfieldcode,subfieldorder,subfieldvalue) values (?,?,?,?,?,?,?)");
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$sth->execute($authid,(sprintf "%03s",$tagid),$tagorder,$tag_indicator,$subfieldcode,$subfieldorder,$subfieldvalue);
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if ($sth->errstr) {
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warn "ERROR ==> insert into auth_subfield_table (authid,tag,tagorder,tag_indicator,subfieldcode,subfieldorder,subfieldvalue) values ($authid,$tagid,$tagorder,$tag_indicator,$subfieldcode,$subfieldorder,$subfieldvalue)\n";
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}
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&AUTHaddword($dbh,$authid,$tagid,$tagorder,$subfieldcode,$subfieldorder,$subfieldvalue);
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}
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}
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sub AUTHgetauthority {
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# Returns MARC::Record of the biblio passed in parameter.
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my ($dbh,$authid)=@_;
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my $record = MARC::Record->new();
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#---- TODO : the leader is missing
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$record->leader(' ');
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my $sth=$dbh->prepare("select authid,subfieldid,tag,tagorder,tag_indicator,subfieldcode,subfieldorder,subfieldvalue,valuebloblink
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from auth_subfield_table
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where authid=? order by tag,tagorder,subfieldcode
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");
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$sth->execute($authid);
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my $prevtagorder=1;
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my $prevtag='XXX';
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my $previndicator;
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my $field; # for >=10 tags
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my $prevvalue; # for <10 tags
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while (my $row=$sth->fetchrow_hashref) {
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if ($row->{tagorder} ne $prevtagorder || $row->{tag} ne $prevtag) {
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$previndicator.=" ";
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if ($prevtag <10) {
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$record->add_fields((sprintf "%03s",$prevtag),$prevvalue) unless $prevtag eq "XXX"; # ignore the 1st loop
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} else {
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$record->add_fields($field) unless $prevtag eq "XXX";
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}
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undef $field;
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$prevtagorder=$row->{tagorder};
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$prevtag = $row->{tag};
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$previndicator=$row->{tag_indicator};
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if ($row->{tag}<10) {
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$prevvalue = $row->{subfieldvalue};
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} else {
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$field = MARC::Field->new((sprintf "%03s",$prevtag), substr($row->{tag_indicator}.' ',0,1), substr($row->{tag_indicator}.' ',1,1), $row->{'subfieldcode'}, $row->{'subfieldvalue'} );
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}
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} else {
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if ($row->{tag} <10) {
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$record->add_fields((sprintf "%03s",$row->{tag}), $row->{'subfieldvalue'});
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} else {
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$field->add_subfields($row->{'subfieldcode'}, $row->{'subfieldvalue'} );
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}
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$prevtag= $row->{tag};
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$previndicator=$row->{tag_indicator};
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}
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}
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# the last has not been included inside the loop... do it now !
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if ($prevtag ne "XXX") { # check that we have found something. Otherwise, prevtag is still XXX and we
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# must return an empty record, not make MARC::Record fail because we try to
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# create a record with XXX as field :-(
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if ($prevtag <10) {
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$record->add_fields($prevtag,$prevvalue);
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} else {
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# my $field = MARC::Field->new( $prevtag, "", "", %subfieldlist);
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$record->add_fields($field);
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}
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}
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return $record;
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}
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sub AUTHmodauthority {
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my ($dbh,$authid,$record,$delete)=@_;
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my $oldrecord=&AUTHgetauthority($dbh,$authid);
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if ($oldrecord eq $record) {
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return;
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}
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# 1st delete the authority,
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# 2nd recreate it
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&AUTHdelauthority($dbh,$authid,1);
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&AUTHaddauthority($dbh,$record,$authid);
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# FIXME : modify the authority in biblio too.
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}
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sub AUTHdelauthority {
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my ($dbh,$authid,$keep_biblio) = @_;
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# if the keep_biblio is set to 1, then authority entries in biblio are preserved.
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# This flag is set when the delauthority is called by modauthority
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# due to a too complex structure of MARC (repeatable fields and subfields),
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# the best solution for a modif is to delete / recreate the record.
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my $record = AUTHgetauthority($dbh,$authid);
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$dbh->do("delete from auth_biblio where authid=$authid");
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$dbh->do("delete from auth_subfield_table where authid=$authid");
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$dbh->do("delete from auth_word where authid=$authid");
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# FIXME : delete or not in biblio tables (depending on $keep_biblio flag)
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}
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sub AUTHmodsubfield {
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# Subroutine changes a subfield value given a subfieldid.
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my ($dbh, $subfieldid, $subfieldvalue )=@_;
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$dbh->do("lock tables auth_subfield_table WRITE");
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my $sth=$dbh->prepare("update auth_subfield_table set subfieldvalue=? where subfieldid=?");
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$sth->execute($subfieldvalue, $subfieldid);
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$dbh->do("unlock tables");
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$sth->finish;
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$sth=$dbh->prepare("select authid,tag,tagorder,subfieldcode,subfieldid,subfieldorder from auth_subfield_table where subfieldid=?");
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$sth->execute($subfieldid);
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my ($authid,$tagid,$tagorder,$subfieldcode,$x,$subfieldorder) = $sth->fetchrow;
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$subfieldid=$x;
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&AUTHdelword($dbh,$authid,$tagid,$tagorder,$subfieldcode,$subfieldorder);
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&AUTHaddword($dbh,$authid,$tagid,$tagorder,$subfieldcode,$subfieldorder,$subfieldvalue);
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return($subfieldid, $subfieldvalue);
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}
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sub AUTHfindsubfield {
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my ($dbh,$authid,$tag,$subfieldcode,$subfieldorder,$subfieldvalue) = @_;
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my $resultcounter=0;
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my $subfieldid;
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my $lastsubfieldid;
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my $query="select subfieldid from auth_subfield_table where authid=? and tag=? and subfieldcode=?";
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my @bind_values = ($authid,$tag, $subfieldcode);
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if ($subfieldvalue) {
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$query .= " and subfieldvalue=?";
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push(@bind_values,$subfieldvalue);
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} else {
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if ($subfieldorder<1) {
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$subfieldorder=1;
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}
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$query .= " and subfieldorder=?";
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push(@bind_values,$subfieldorder);
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}
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my $sti=$dbh->prepare($query);
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$sti->execute(@bind_values);
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while (($subfieldid) = $sti->fetchrow) {
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$resultcounter++;
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$lastsubfieldid=$subfieldid;
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}
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if ($resultcounter>1) {
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# Error condition. Values given did not resolve into a unique record. Don't know what to edit
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# should rarely occur (only if we use subfieldvalue with a value that exists twice, which is strange)
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return -1;
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} else {
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return $lastsubfieldid;
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}
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}
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sub AUTHfindsubfieldid {
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my ($dbh,$authid,$tag,$tagorder,$subfield,$subfieldorder) = @_;
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my $sth=$dbh->prepare("select subfieldid from auth_subfield_table
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where authid=? and tag=? and tagorder=?
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and subfieldcode=? and subfieldorder=?");
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$sth->execute($authid,$tag,$tagorder,$subfield,$subfieldorder);
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my ($res) = $sth->fetchrow;
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unless ($res) {
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$sth=$dbh->prepare("select subfieldid from auth_subfield_table
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where authid=? and tag=? and tagorder=?
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and subfieldcode=?");
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$sth->execute($authid,$tag,$tagorder,$subfield);
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($res) = $sth->fetchrow;
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}
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return $res;
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}
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sub AUTHfind_authtypecode {
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my ($dbh,$authid) = @_;
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my $sth = $dbh->prepare("select authtypecode from auth_header where authid=?");
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$sth->execute($authid);
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my ($authtypecode) = $sth->fetchrow;
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return $authtypecode;
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}
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sub AUTHdelsubfield {
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# delete a subfield for $authid / tag / tagorder / subfield / subfieldorder
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my ($dbh,$authid,$tag,$tagorder,$subfield,$subfieldorder) = @_;
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$dbh->do("delete from auth_subfield_table where authid='$authid' and
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tag='$tag' and tagorder='$tagorder'
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and subfieldcode='$subfield' and subfieldorder='$subfieldorder'
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");
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}
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sub AUTHhtml2marc {
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my ($dbh,$rtags,$rsubfields,$rvalues,%indicators) = @_;
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my $prevtag = -1;
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my $record = MARC::Record->new();
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# my %subfieldlist=();
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my $prevvalue; # if tag <10
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my $field; # if tag >=10
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for (my $i=0; $i< @$rtags; $i++) {
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# rebuild MARC::Record
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if (@$rtags[$i] ne $prevtag) {
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if ($prevtag < 10) {
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if ($prevvalue) {
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$record->add_fields((sprintf "%03s",$prevtag),$prevvalue);
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}
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} else {
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if ($field) {
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$record->add_fields($field);
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}
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}
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$indicators{@$rtags[$i]}.=' ';
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if (@$rtags[$i] <10) {
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$prevvalue= @$rvalues[$i];
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} else {
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$field = MARC::Field->new( (sprintf "%03s",@$rtags[$i]), substr($indicators{@$rtags[$i]},0,1),substr($indicators{@$rtags[$i]},1,1), @$rsubfields[$i] => @$rvalues[$i]);
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}
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$prevtag = @$rtags[$i];
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} else {
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if (@$rtags[$i] <10) {
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$prevvalue=@$rvalues[$i];
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} else {
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if (@$rvalues[$i]) {
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$field->add_subfields(@$rsubfields[$i] => @$rvalues[$i]);
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}
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}
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$prevtag= @$rtags[$i];
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}
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}
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# the last has not been included inside the loop... do it now !
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$record->add_fields($field);
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# warn $record->as_formatted;
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return $record;
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}
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sub AUTHaddword {
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# split a subfield string and adds it into the word table.
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# removes stopwords
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my ($dbh,$authid,$tag,$tagorder,$subfieldid,$subfieldorder,$sentence) =@_;
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$sentence =~ s/(\.|\?|\:|\!|\'|,|\-|\"|\(|\)|\[|\]|\{|\})/ /g;
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my @words = split / /,$sentence;
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my $stopwords= C4::Context->stopwords;
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my $sth=$dbh->prepare("insert into auth_word (authid, tag, tagorder, subfieldid, subfieldorder, word, sndx_word)
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values (?,?,?,?,?,?,soundex(?))");
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foreach my $word (@words) {
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# we record only words longer than 2 car and not in stopwords hash
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if (length($word)>2 and !($stopwords->{uc($word)})) {
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$sth->execute($authid,$tag,$tagorder,$subfieldid,$subfieldorder,$word,$word);
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if ($sth->err()) {
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warn "ERROR ==> insert into auth_word (authid, tag, tagorder, subfieldid, subfieldorder, word, sndx_word) values ($authid,$tag,$tagorder,$subfieldid,$subfieldorder,$word,soundex($word))\n";
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}
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}
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}
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}
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sub AUTHdelword {
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# delete words. this sub deletes all the words from a sentence. a subfield modif is done by a delete then a add
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my ($dbh,$authid,$tag,$tagorder,$subfield,$subfieldorder) = @_;
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my $sth=$dbh->prepare("delete from auth_word where authid=? and tag=? and tagorder=? and subfieldid=? and subfieldorder=?");
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$sth->execute($authid,$tag,$tagorder,$subfield,$subfieldorder);
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}
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sub char_decode {
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# converts ISO 5426 coded string to ISO 8859-1
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# sloppy code : should be improved in next issue
|
||||
my ($string,$encoding) = @_ ;
|
||||
$_ = $string ;
|
||||
# $encoding = C4::Context->preference("marcflavour") unless $encoding;
|
||||
if ($encoding eq "UNIMARC") {
|
||||
s/\xe1/Æ/gm ;
|
||||
s/\xe2/Ð/gm ;
|
||||
s/\xe9/Ø/gm ;
|
||||
s/\xec/þ/gm ;
|
||||
s/\xf1/æ/gm ;
|
||||
s/\xf3/ð/gm ;
|
||||
s/\xf9/ø/gm ;
|
||||
s/\xfb/ß/gm ;
|
||||
s/\xc1\x61/à/gm ;
|
||||
s/\xc1\x65/è/gm ;
|
||||
s/\xc1\x69/ì/gm ;
|
||||
s/\xc1\x6f/ò/gm ;
|
||||
s/\xc1\x75/ù/gm ;
|
||||
s/\xc1\x41/À/gm ;
|
||||
s/\xc1\x45/È/gm ;
|
||||
s/\xc1\x49/Ì/gm ;
|
||||
s/\xc1\x4f/Ò/gm ;
|
||||
s/\xc1\x55/Ù/gm ;
|
||||
s/\xc2\x41/Á/gm ;
|
||||
s/\xc2\x45/É/gm ;
|
||||
s/\xc2\x49/Í/gm ;
|
||||
s/\xc2\x4f/Ó/gm ;
|
||||
s/\xc2\x55/Ú/gm ;
|
||||
s/\xc2\x59/Ý/gm ;
|
||||
s/\xc2\x61/á/gm ;
|
||||
s/\xc2\x65/é/gm ;
|
||||
s/\xc2\x69/í/gm ;
|
||||
s/\xc2\x6f/ó/gm ;
|
||||
s/\xc2\x75/ú/gm ;
|
||||
s/\xc2\x79/ý/gm ;
|
||||
s/\xc3\x41/Â/gm ;
|
||||
s/\xc3\x45/Ê/gm ;
|
||||
s/\xc3\x49/Î/gm ;
|
||||
s/\xc3\x4f/Ô/gm ;
|
||||
s/\xc3\x55/Û/gm ;
|
||||
s/\xc3\x61/â/gm ;
|
||||
s/\xc3\x65/ê/gm ;
|
||||
s/\xc3\x69/î/gm ;
|
||||
s/\xc3\x6f/ô/gm ;
|
||||
s/\xc3\x75/û/gm ;
|
||||
s/\xc4\x41/Ã/gm ;
|
||||
s/\xc4\x4e/Ñ/gm ;
|
||||
s/\xc4\x4f/Õ/gm ;
|
||||
s/\xc4\x61/ã/gm ;
|
||||
s/\xc4\x6e/ñ/gm ;
|
||||
s/\xc4\x6f/õ/gm ;
|
||||
s/\xc8\x45/Ë/gm ;
|
||||
s/\xc8\x49/Ï/gm ;
|
||||
s/\xc8\x65/ë/gm ;
|
||||
s/\xc8\x69/ï/gm ;
|
||||
s/\xc8\x76/ÿ/gm ;
|
||||
s/\xc9\x41/Ä/gm ;
|
||||
s/\xc9\x4f/Ö/gm ;
|
||||
s/\xc9\x55/Ü/gm ;
|
||||
s/\xc9\x61/ä/gm ;
|
||||
s/\xc9\x6f/ö/gm ;
|
||||
s/\xc9\x75/ü/gm ;
|
||||
s/\xca\x41/Å/gm ;
|
||||
s/\xca\x61/å/gm ;
|
||||
s/\xd0\x43/Ç/gm ;
|
||||
s/\xd0\x63/ç/gm ;
|
||||
# this handles non-sorting blocks (if implementation requires this)
|
||||
$string = nsb_clean($_) ;
|
||||
} elsif ($encoding eq "USMARC" || $encoding eq "MARC21") {
|
||||
if(/[\xc1-\xff]/) {
|
||||
s/\xe1\x61/à/gm ;
|
||||
s/\xe1\x65/è/gm ;
|
||||
s/\xe1\x69/ì/gm ;
|
||||
s/\xe1\x6f/ò/gm ;
|
||||
s/\xe1\x75/ù/gm ;
|
||||
s/\xe1\x41/À/gm ;
|
||||
s/\xe1\x45/È/gm ;
|
||||
s/\xe1\x49/Ì/gm ;
|
||||
s/\xe1\x4f/Ò/gm ;
|
||||
s/\xe1\x55/Ù/gm ;
|
||||
s/\xe2\x41/Á/gm ;
|
||||
s/\xe2\x45/É/gm ;
|
||||
s/\xe2\x49/Í/gm ;
|
||||
s/\xe2\x4f/Ó/gm ;
|
||||
s/\xe2\x55/Ú/gm ;
|
||||
s/\xe2\x59/Ý/gm ;
|
||||
s/\xe2\x61/á/gm ;
|
||||
s/\xe2\x65/é/gm ;
|
||||
s/\xe2\x69/í/gm ;
|
||||
s/\xe2\x6f/ó/gm ;
|
||||
s/\xe2\x75/ú/gm ;
|
||||
s/\xe2\x79/ý/gm ;
|
||||
s/\xe3\x41/Â/gm ;
|
||||
s/\xe3\x45/Ê/gm ;
|
||||
s/\xe3\x49/Î/gm ;
|
||||
s/\xe3\x4f/Ô/gm ;
|
||||
s/\xe3\x55/Û/gm ;
|
||||
s/\xe3\x61/â/gm ;
|
||||
s/\xe3\x65/ê/gm ;
|
||||
s/\xe3\x69/î/gm ;
|
||||
s/\xe3\x6f/ô/gm ;
|
||||
s/\xe3\x75/û/gm ;
|
||||
s/\xe4\x41/Ã/gm ;
|
||||
s/\xe4\x4e/Ñ/gm ;
|
||||
s/\xe4\x4f/Õ/gm ;
|
||||
s/\xe4\x61/ã/gm ;
|
||||
s/\xe4\x6e/ñ/gm ;
|
||||
s/\xe4\x6f/õ/gm ;
|
||||
s/\xe8\x45/Ë/gm ;
|
||||
s/\xe8\x49/Ï/gm ;
|
||||
s/\xe8\x65/ë/gm ;
|
||||
s/\xe8\x69/ï/gm ;
|
||||
s/\xe8\x76/ÿ/gm ;
|
||||
s/\xe9\x41/Ä/gm ;
|
||||
s/\xe9\x4f/Ö/gm ;
|
||||
s/\xe9\x55/Ü/gm ;
|
||||
s/\xe9\x61/ä/gm ;
|
||||
s/\xe9\x6f/ö/gm ;
|
||||
s/\xe9\x75/ü/gm ;
|
||||
s/\xea\x41/Å/gm ;
|
||||
s/\xea\x61/å/gm ;
|
||||
# this handles non-sorting blocks (if implementation requires this)
|
||||
$string = nsb_clean($_) ;
|
||||
}
|
||||
}
|
||||
return($string) ;
|
||||
}
|
||||
|
||||
sub nsb_clean {
|
||||
my $NSB = '\x88' ; # NSB : begin Non Sorting Block
|
||||
my $NSE = '\x89' ; # NSE : Non Sorting Block end
|
||||
# handles non sorting blocks
|
||||
my ($string) = @_ ;
|
||||
$_ = $string ;
|
||||
s/$NSB/(/gm ;
|
||||
s/[ ]{0,1}$NSE/) /gm ;
|
||||
$string = $_ ;
|
||||
return($string) ;
|
||||
}
|
||||
|
||||
END { } # module clean-up code here (global destructor)
|
||||
|
||||
=back
|
||||
|
||||
=head1 AUTHOR
|
||||
|
||||
Koha Developement team <info@koha.org>
|
||||
|
||||
Paul POULAIN paul.poulain@free.fr
|
||||
|
||||
=cut
|
||||
|
||||
# $Id$
|
||||
# $Log$
|
||||
# Revision 1.1 2004/06/07 07:35:01 tipaul
|
||||
# MARC authority management package
|
||||
#
|
||||
Loading…
Reference in New Issue