package C4::AuthoritiesMarc; # Copyright 2000-2002 Katipo Communications # Copyright 2018 The National Library of Finland, University of Helsinki # # This file is part of Koha. # # Koha is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # # Koha is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with Koha; if not, see . use strict; use warnings; use C4::Context; use C4::Biblio qw( GetFrameworkCode GetMarcBiblio ModBiblio ); use C4::Search qw( FindDuplicate new_record_from_zebra ); use C4::AuthoritiesMarc::MARC21; use C4::AuthoritiesMarc::UNIMARC; use C4::Charset qw( SetUTF8Flag ); use C4::Log qw( logaction ); use Koha::MetadataRecord::Authority; use Koha::Authorities; use Koha::Authority::MergeRequests; use Koha::Authority::Types; use Koha::Authority; use Koha::Libraries; use Koha::SearchEngine; use Koha::SearchEngine::Indexer; use Koha::SearchEngine::Search; our (@ISA, @EXPORT_OK); BEGIN { require Exporter; @ISA = qw(Exporter); @EXPORT_OK = qw( GetTagsLabels GetAuthMARCFromKohaField AddAuthority ModAuthority DelAuthority GetAuthority GetAuthorityXML SearchAuthorities BuildSummary BuildAuthHierarchies BuildAuthHierarchy GenerateHierarchy GetHeaderAuthority AddAuthorityTrees CompareFieldWithAuthority merge FindDuplicateAuthority GuessAuthTypeCode GuessAuthId compare_fields ); } =head1 NAME C4::AuthoritiesMarc =head2 GetAuthMARCFromKohaField ( $tag, $subfield ) = &GetAuthMARCFromKohaField ($kohafield,$authtypecode); returns tag and subfield linked to kohafield Comment : Suppose Kohafield is only linked to ONE subfield =cut sub GetAuthMARCFromKohaField { #AUTHfind_marc_from_kohafield my ( $kohafield,$authtypecode ) = @_; my $dbh=C4::Context->dbh; return 0, 0 unless $kohafield; $authtypecode="" unless $authtypecode; my $sth = $dbh->prepare("select tagfield,tagsubfield from auth_subfield_structure where kohafield= ? and authtypecode=? "); $sth->execute($kohafield,$authtypecode); my ($tagfield,$tagsubfield) = $sth->fetchrow; return ($tagfield,$tagsubfield); } =head2 SearchAuthorities (\@finalresult, $nbresults)= &SearchAuthorities($tags, $and_or, $excluding, $operator, $value, $offset,$length,$authtypecode, $sortby[, $skipmetadata]) returns ref to array result and count of results returned =cut sub SearchAuthorities { my ($tags, $and_or, $excluding, $operator, $value, $offset,$length,$authtypecode,$sortby,$skipmetadata) = @_; # warn Dumper($tags, $and_or, $excluding, $operator, $value, $offset,$length,$authtypecode,$sortby); my $dbh=C4::Context->dbh; $sortby="" unless $sortby; my $query; my $qpquery = ''; my $attr = ''; # the marclist may contain "mainentry". In this case, search the tag_to_report, that depends on # the authtypecode. Then, search on $a of this tag_to_report # also store main entry MARC tag, to extract it at end of search ##first set the authtype search and may be multiple authorities if ($authtypecode) { my $n=0; my @authtypecode; my @auths=split / /,$authtypecode ; foreach my $auth (@auths){ $query .=" \@attr 1=authtype \@attr 5=100 ".$auth; ##No truncation on authtype push @authtypecode ,$auth; $n++; } if ($n>1){ while ($n>1){$query= "\@or ".$query;$n--;} } } my $dosearch; my $and=" \@and " ; my $q2; my $attr_cnt = 0; for ( my $i = 0 ; $i <= $#{$value} ; $i++ ) { if ( @$value[$i] ) { if ( @$tags[$i] ) { if ( @$tags[$i] eq "mainmainentry" ) { $attr = " \@attr 1=Heading-Main "; } elsif ( @$tags[$i] eq "mainentry" ) { $attr = " \@attr 1=Heading "; } elsif ( @$tags[$i] eq "match" ) { $attr = " \@attr 1=Match "; } elsif ( @$tags[$i] eq "match-heading" ) { $attr = " \@attr 1=Match-heading "; } elsif ( @$tags[$i] eq "see-from" ) { $attr = " \@attr 1=Match-heading-see-from "; } elsif ( @$tags[$i] eq "thesaurus" ) { $attr = " \@attr 1=Subject-heading-thesaurus "; } elsif ( @$tags[$i] eq "all" ) { $attr = " \@attr 1=Any "; } else { # Use the index passed in params $attr = " \@attr 1=" . @$tags[$i] . " "; } } #if @$tags[$i] else { # Assume any if no index was specified $attr = " \@attr 1=Any "; } my $operator = @$operator[$i]; if ( $operator and $operator eq 'is' ) { $attr .= " \@attr 4=1 \@attr 5=100 " ; ##Phrase, No truncation,all of subfield field must match } elsif ( $operator and $operator eq "=" ) { $attr .= " \@attr 4=107 "; #Number Exact match } elsif ( $operator and $operator eq "start" ) { $attr .= " \@attr 3=2 \@attr 4=1 \@attr 5=1 " ; #Firstinfield Phrase, Right truncated } elsif ( $operator and $operator eq "exact" ) { $attr .= " \@attr 4=1 \@attr 5=100 \@attr 6=3 " ; ##Phrase, No truncation,all of subfield field must match } else { $attr .= " \@attr 5=1 \@attr 4=6 " ; ## Word list, right truncated, anywhere if ( $sortby eq 'Relevance' ) { $attr .= "\@attr 2=102 "; } } @$value[$i] =~ s/"/\\"/g; # Escape the double-quotes in the search value $attr = $attr . "\"" . @$value[$i] . "\""; $q2 .= $attr; $dosearch = 1; ++$attr_cnt; } #if value } ##Add how many queries generated if (defined $query && $query=~/\S+/){ $query= $and x $attr_cnt . $query . (defined $q2 ? $q2 : ''); } else { $query= $q2; } ## Adding order #$query=' @or @attr 7=2 @attr 1=Heading 0 @or @attr 7=1 @attr 1=Heading 1'.$query if ($sortby eq "HeadingDsc"); my $orderstring; if ($sortby eq 'HeadingAsc') { $orderstring = '@attr 7=1 @attr 1=Heading 0'; } elsif ($sortby eq 'HeadingDsc') { $orderstring = '@attr 7=2 @attr 1=Heading 0'; } elsif ($sortby eq 'AuthidAsc') { $orderstring = '@attr 7=1 @attr 4=109 @attr 1=Local-Number 0'; } elsif ($sortby eq 'AuthidDsc') { $orderstring = '@attr 7=2 @attr 4=109 @attr 1=Local-Number 0'; } $query=($query?$query:"\@attr 1=_ALLRECORDS \@attr 2=103 ''"); $query="\@or $orderstring $query" if $orderstring; $offset = 0 if not defined $offset or $offset < 0; my $counter = $offset; $length=10 unless $length; my @oAuth; my $i; $oAuth[0]=C4::Context->Zconn("authorityserver" , 1); my $Anewq= ZOOM::Query::PQF->new($query,$oAuth[0]); my $oAResult; $oAResult= $oAuth[0]->search($Anewq) ; while (($i = ZOOM::event(\@oAuth)) != 0) { my $ev = $oAuth[$i-1]->last_event(); last if $ev == ZOOM::Event::ZEND; } my($error, $errmsg, $addinfo, $diagset) = $oAuth[0]->error_x(); if ($error) { warn "oAuth error: $errmsg ($error) $addinfo $diagset\n"; goto NOLUCK; } my $nbresults; $nbresults=$oAResult->size(); my $nremains=$nbresults; my @result = (); my @finalresult = (); if ($nbresults>0){ ##Find authid and linkid fields ##we may be searching multiple authoritytypes. ## FIXME this assumes that all authid and linkid fields are the same for all authority types # my ($authidfield,$authidsubfield)=GetAuthMARCFromKohaField($dbh,"auth_header.authid",$authtypecode[0]); # my ($linkidfield,$linkidsubfield)=GetAuthMARCFromKohaField($dbh,"auth_header.linkid",$authtypecode[0]); while (($counter < $nbresults) && ($counter < ($offset + $length))) { ##Here we have to extract MARC record and $authid from ZEBRA AUTHORITIES my $rec=$oAResult->record($counter); my $separator=C4::Context->preference('AuthoritySeparator'); my $authrecord = C4::Search::new_record_from_zebra( 'authorityserver', $rec->raw() ); if ( !defined $authrecord or !defined $authrecord->field('001') ) { $counter++; next; } SetUTF8Flag( $authrecord ); my $authid=$authrecord->field('001')->data(); my %newline; $newline{authid} = $authid; if ( !$skipmetadata ) { my $auth_tag_to_report; $auth_tag_to_report = Koha::Authority::Types->find($authtypecode)->auth_tag_to_report if $authtypecode; my $reported_tag; my $mainentry = $authrecord->field($auth_tag_to_report); if ($mainentry) { foreach ( $mainentry->subfields() ) { $reported_tag .= '$' . $_->[0] . $_->[1]; } } my ( $thisauthtype, $thisauthtypecode ); if ( my $authority = Koha::Authorities->find($authid) ) { $thisauthtypecode = $authority->authtypecode; $thisauthtype = Koha::Authority::Types->find($thisauthtypecode); } unless (defined $thisauthtype) { $thisauthtypecode = $authtypecode; $thisauthtype = Koha::Authority::Types->find($thisauthtypecode); } my $summary = BuildSummary( $authrecord, $authid, $thisauthtypecode ); $newline{authtype} = defined($thisauthtype) ? $thisauthtype->authtypetext : ''; $newline{summary} = $summary; $newline{even} = $counter % 2; $newline{reported_tag} = $reported_tag; } $counter++; push @finalresult, \%newline; }## while counter ### if (! $skipmetadata) { for (my $z=0; $z<@finalresult; $z++){ my $count = Koha::Authorities->get_usage_count({ authid => $finalresult[$z]{authid} }); $finalresult[$z]{used}=$count; }# all $z's } }## if nbresult NOLUCK: $oAResult->destroy(); # $oAuth[0]->destroy(); return (\@finalresult, $nbresults); } =head2 GuessAuthTypeCode my $authtypecode = GuessAuthTypeCode($record); Get the record and tries to guess the adequate authtypecode from its content. =cut sub GuessAuthTypeCode { my ($record, $heading_fields) = @_; return unless defined $record; $heading_fields //= { "MARC21"=>{ '100'=>{authtypecode=>'PERSO_NAME'}, '110'=>{authtypecode=>'CORPO_NAME'}, '111'=>{authtypecode=>'MEETI_NAME'}, '130'=>{authtypecode=>'UNIF_TITLE'}, '147'=>{authtypecode=>'NAME_EVENT'}, '148'=>{authtypecode=>'CHRON_TERM'}, '150'=>{authtypecode=>'TOPIC_TERM'}, '151'=>{authtypecode=>'GEOGR_NAME'}, '155'=>{authtypecode=>'GENRE/FORM'}, '162'=>{authtypecode=>'MED_PERFRM'}, '180'=>{authtypecode=>'GEN_SUBDIV'}, '181'=>{authtypecode=>'GEO_SUBDIV'}, '182'=>{authtypecode=>'CHRON_SUBD'}, '185'=>{authtypecode=>'FORM_SUBD'}, }, #200 Personal name 700, 701, 702 4-- with embedded 700, 701, 702 600 # 604 with embedded 700, 701, 702 #210 Corporate or meeting name 710, 711, 712 4-- with embedded 710, 711, 712 601 604 with embedded 710, 711, 712 #215 Territorial or geographic name 710, 711, 712 4-- with embedded 710, 711, 712 601, 607 604 with embedded 710, 711, 712 #216 Trademark 716 [Reserved for future use] #220 Family name 720, 721, 722 4-- with embedded 720, 721, 722 602 604 with embedded 720, 721, 722 #230 Title 500 4-- with embedded 500 605 #240 Name and title (embedded 200, 210, 215, or 220 and 230) 4-- with embedded 7-- and 500 7-- 604 with embedded 7-- and 500 500 #245 Name and collective title (embedded 200, 210, 215, or 220 and 235) 4-- with embedded 7-- and 501 604 with embedded 7-- and 501 7-- 501 #250 Topical subject 606 #260 Place access 620 #280 Form, genre or physical characteristics 608 # # # Could also be represented with : #leader position 9 #a = personal name entry #b = corporate name entry #c = territorial or geographical name #d = trademark #e = family name #f = uniform title #g = collective uniform title #h = name/title #i = name/collective uniform title #j = topical subject #k = place access #l = form, genre or physical characteristics "UNIMARC"=>{ '200'=>{authtypecode=>'NP'}, '210'=>{authtypecode=>'CO'}, '215'=>{authtypecode=>'SNG'}, '216'=>{authtypecode=>'TM'}, '220'=>{authtypecode=>'FAM'}, '230'=>{authtypecode=>'TU'}, '235'=>{authtypecode=>'CO_UNI_TI'}, '240'=>{authtypecode=>'SAUTTIT'}, '245'=>{authtypecode=>'NAME_COL'}, '250'=>{authtypecode=>'SNC'}, '260'=>{authtypecode=>'PA'}, '280'=>{authtypecode=>'GENRE/FORM'}, } }; foreach my $field (keys %{$heading_fields->{uc(C4::Context->preference('marcflavour'))} }) { return $heading_fields->{uc(C4::Context->preference('marcflavour'))}->{$field}->{'authtypecode'} if (defined $record->field($field)); } return; } =head2 GuessAuthId my $authtid = GuessAuthId($record); Get the record and tries to guess the adequate authtypecode from its content. =cut sub GuessAuthId { my ($record) = @_; return unless ($record && $record->field('001')); # my $authtypecode=GuessAuthTypeCode($record); # my ($tag,$subfield)=GetAuthMARCFromKohaField("auth_header.authid",$authtypecode); # if ($tag > 010) {return $record->subfield($tag,$subfield)} # else {return $record->field($tag)->data} return $record->field('001')->data; } =head2 GetTagsLabels $tagslabel= &GetTagsLabels($forlibrarian,$authtypecode) returns a ref to hashref of authorities tag and subfield structure. tagslabel usage : $tagslabel->{$tag}->{$subfield}->{'attribute'} where attribute takes values in : lib tab mandatory repeatable authorised_value authtypecode value_builder kohafield seealso hidden isurl link =cut sub GetTagsLabels { my ($forlibrarian,$authtypecode)= @_; my $dbh=C4::Context->dbh; $authtypecode="" unless $authtypecode; my $sth; my $libfield = ($forlibrarian == 1)? 'liblibrarian' : 'libopac'; # check that authority exists $sth=$dbh->prepare("SELECT count(*) FROM auth_tag_structure WHERE authtypecode=?"); $sth->execute($authtypecode); my ($total) = $sth->fetchrow; $authtypecode="" unless ($total >0); $sth= $dbh->prepare( "SELECT auth_tag_structure.tagfield,auth_tag_structure.liblibrarian,auth_tag_structure.libopac,auth_tag_structure.mandatory,auth_tag_structure.repeatable FROM auth_tag_structure WHERE authtypecode=? ORDER BY tagfield" ); $sth->execute($authtypecode); my ( $liblibrarian, $libopac, $tag, $res, $tab, $mandatory, $repeatable ); while ( ( $tag, $liblibrarian, $libopac, $mandatory, $repeatable ) = $sth->fetchrow ) { $res->{$tag}->{lib} = ($forlibrarian or !$libopac)?$liblibrarian:$libopac; $res->{$tag}->{tab} = " "; # XXX $res->{$tag}->{mandatory} = $mandatory; $res->{$tag}->{repeatable} = $repeatable; } $sth= $dbh->prepare( "SELECT tagfield,tagsubfield,liblibrarian,libopac,tab, mandatory, repeatable,authorised_value,frameworkcode as authtypecode,value_builder,kohafield,seealso,hidden,isurl,defaultvalue, display_order FROM auth_subfield_structure WHERE authtypecode=? ORDER BY tagfield, display_order, tagsubfield" ); $sth->execute($authtypecode); my $subfield; my $authorised_value; my $value_builder; my $kohafield; my $seealso; my $hidden; my $isurl; my $defaultvalue; my $display_order; while ( ( $tag, $subfield, $liblibrarian, , $libopac, $tab, $mandatory, $repeatable, $authorised_value, $authtypecode, $value_builder, $kohafield, $seealso, $hidden, $isurl, $defaultvalue, $display_order ) = $sth->fetchrow ) { $res->{$tag}->{$subfield}->{subfield} = $subfield; $res->{$tag}->{$subfield}->{lib} = ($forlibrarian or !$libopac)?$liblibrarian:$libopac; $res->{$tag}->{$subfield}->{tab} = $tab; $res->{$tag}->{$subfield}->{mandatory} = $mandatory; $res->{$tag}->{$subfield}->{repeatable} = $repeatable; $res->{$tag}->{$subfield}->{authorised_value} = $authorised_value; $res->{$tag}->{$subfield}->{authtypecode} = $authtypecode; $res->{$tag}->{$subfield}->{value_builder} = $value_builder; $res->{$tag}->{$subfield}->{kohafield} = $kohafield; $res->{$tag}->{$subfield}->{seealso} = $seealso; $res->{$tag}->{$subfield}->{hidden} = $hidden; $res->{$tag}->{$subfield}->{isurl} = $isurl; $res->{$tag}->{$subfield}->{defaultvalue} = $defaultvalue; $res->{$tag}->{$subfield}->{display_order} = $display_order; } return $res; } =head2 AddAuthority $authid= &AddAuthority($record, $authid,$authtypecode) Either Create Or Modify existing authority. returns authid of the newly created authority =cut sub AddAuthority { # pass the MARC::Record to this function, and it will create the records in the authority table my ($record,$authid,$authtypecode) = @_; my $dbh=C4::Context->dbh; my $leader=' nz a22 o 4500';#Leader for incomplete MARC21 record # if authid empty => true add, find a new authid number my $format; if (uc(C4::Context->preference('marcflavour')) eq 'UNIMARC') { $format= 'UNIMARCAUTH'; } else { $format= 'MARC21'; } #update date/time to 005 for marc and unimarc my $time=POSIX::strftime("%Y%m%d%H%M%S",localtime); my $f5=$record->field('005'); if (!$f5) { $record->insert_fields_ordered( MARC::Field->new('005',$time.".0") ); } else { $f5->update($time.".0"); } SetUTF8Flag($record); if ($format eq "MARC21") { my $userenv = C4::Context->userenv; my $library; my $marcorgcode = C4::Context->preference('MARCOrgCode'); if ( $userenv && $userenv->{'branch'} ) { $library = Koha::Libraries->find( $userenv->{'branch'} ); # userenv's library could not exist because of a trick in misc/commit_file.pl (see FIXME and set_userenv statement) $marcorgcode = $library ? $library->get_effective_marcorgcode : $marcorgcode; } if (!$record->leader) { $record->leader($leader); } if (!$record->field('003')) { $record->insert_fields_ordered( MARC::Field->new('003', $marcorgcode), ); } my $date=POSIX::strftime("%y%m%d",localtime); if (!$record->field('008')) { # Get a valid default value for field 008 my $default_008 = C4::Context->preference('MARCAuthorityControlField008'); if(!$default_008 or length($default_008)<34) { $default_008 = '|| aca||aabn | a|a d'; } else { $default_008 = substr($default_008,0,34); } $record->insert_fields_ordered( MARC::Field->new('008',$date.$default_008) ); } if (!$record->field('040')) { $record->insert_fields_ordered( MARC::Field->new('040','','', 'a' => $marcorgcode, 'c' => $marcorgcode, ) ); } } if ($format eq "UNIMARCAUTH") { $record->leader(" nx j22 ") unless ($record->leader()); my $date=POSIX::strftime("%Y%m%d",localtime); my $defaultfield100 = C4::Context->preference('UNIMARCAuthorityField100'); if (my $string=$record->subfield('100',"a")){ $string=~s/fre50/frey50/; $record->field('100')->update('a'=>$string); } elsif ($record->field('100')){ $record->field('100')->update('a'=>$date.$defaultfield100); } else { $record->append_fields( MARC::Field->new('100',' ',' ' ,'a'=>$date.$defaultfield100) ); } } my ($auth_type_tag, $auth_type_subfield) = get_auth_type_location($authtypecode); if (!$authid and $format eq "MARC21") { # only need to do this fix when modifying an existing authority C4::AuthoritiesMarc::MARC21::fix_marc21_auth_type_location($record, $auth_type_tag, $auth_type_subfield); } if (my $field=$record->field($auth_type_tag)){ $field->update($auth_type_subfield=>$authtypecode); } else { $record->add_fields($auth_type_tag,'','', $auth_type_subfield=>$authtypecode); } # Save record into auth_header, update 001 if (!$authid ) { # Save a blank record, get authid $dbh->do( "INSERT INTO auth_header (datecreated,marcxml) values (NOW(),?)", undef, '' ); $authid = $dbh->last_insert_id( undef, undef, 'auth_header', 'authid' ); logaction( "AUTHORITIES", "ADD", $authid, "authority" ) if C4::Context->preference("AuthoritiesLog"); } # Insert/update the recordID in MARC record $record->delete_field( $record->field('001') ); $record->insert_fields_ordered( MARC::Field->new( '001', $authid ) ); # Update $dbh->do( "UPDATE auth_header SET authtypecode=?, marc=?, marcxml=? WHERE authid=?", undef, $authtypecode, $record->as_usmarc, $record->as_xml_record($format), $authid ) or die $DBI::errstr; my $indexer = Koha::SearchEngine::Indexer->new({ index => $Koha::SearchEngine::AUTHORITIES_INDEX }); $indexer->index_records( $authid, "specialUpdate", "authorityserver", $record ); return ( $authid ); } =head2 DelAuthority DelAuthority({ authid => $authid, [ skip_merge => 1 ] }); Deletes $authid and calls merge to cleanup linked biblio records. Parameter skip_merge is used in authorities/merge.pl. You should normally not use it. =cut sub DelAuthority { my ( $params ) = @_; my $authid = $params->{authid} || return; my $skip_merge = $params->{skip_merge}; my $dbh = C4::Context->dbh; # Remove older pending merge requests for $authid to itself. (See bug 22437) my $condition = { authid => $authid, authid_new => [undef, 0, $authid], done => 0 }; Koha::Authority::MergeRequests->search($condition)->delete; merge({ mergefrom => $authid }) if !$skip_merge; $dbh->do( "DELETE FROM auth_header WHERE authid=?", undef, $authid ); logaction( "AUTHORITIES", "DELETE", $authid, "authority" ) if C4::Context->preference("AuthoritiesLog"); my $indexer = Koha::SearchEngine::Indexer->new({ index => $Koha::SearchEngine::AUTHORITIES_INDEX }); $indexer->index_records( $authid, "recordDelete", "authorityserver", undef ); } =head2 ModAuthority $authid= &ModAuthority($authid,$record,$authtypecode, [ { skip_merge => 1 ] ) Modifies authority record, optionally updates attached biblios. The parameter skip_merge is optional and should be used with care. =cut sub ModAuthority { my ( $authid, $record, $authtypecode, $params ) = @_; my $oldrecord = GetAuthority($authid); #Now rewrite the $record to table with an add $authid = AddAuthority($record, $authid, $authtypecode); merge({ mergefrom => $authid, MARCfrom => $oldrecord, mergeto => $authid, MARCto => $record }) if !$params->{skip_merge}; logaction( "AUTHORITIES", "MODIFY", $authid, "authority BEFORE=>" . $oldrecord->as_formatted ) if C4::Context->preference("AuthoritiesLog"); return $authid; } =head2 GetAuthorityXML $marcxml= &GetAuthorityXML( $authid) returns xml form of record $authid =cut sub GetAuthorityXML { # Returns MARC::XML of the authority passed in parameter. my ( $authid ) = @_; if (uc(C4::Context->preference('marcflavour')) eq 'UNIMARC') { my $dbh=C4::Context->dbh; my $sth = $dbh->prepare("select marcxml from auth_header where authid=? " ); $sth->execute($authid); my ($marcxml)=$sth->fetchrow; return $marcxml; } else { # for MARC21, call GetAuthority instead of # getting the XML directly since we may # need to fix up the location of the authority # code -- note that this is reasonably safe # because GetAuthorityXML is used only by the # indexing processes like zebraqueue_start.pl my $record = GetAuthority($authid); return $record->as_xml_record('MARC21'); } } =head2 GetAuthority $record= &GetAuthority( $authid) Returns MARC::Record of the authority passed in parameter. =cut sub GetAuthority { my ($authid)=@_; my $authority = Koha::MetadataRecord::Authority->get_from_authid($authid); return unless $authority; return ($authority->record); } =head2 FindDuplicateAuthority $record= &FindDuplicateAuthority( $record, $authtypecode) return $authid,Summary if duplicate is found. Comments : an improvement would be to return All the records that match. =cut sub FindDuplicateAuthority { my ($record,$authtypecode)=@_; # warn "IN for ".$record->as_formatted; my $dbh = C4::Context->dbh; # warn "".$record->as_formatted; my $auth_tag_to_report = Koha::Authority::Types->find($authtypecode)->auth_tag_to_report; # warn "record :".$record->as_formatted." auth_tag_to_report :$auth_tag_to_report"; # build a request for SearchAuthorities my $op = 'AND'; $authtypecode =~ s#/#\\/#; # GENRE/FORM contains forward slash which is a reserved character my $query='at:'.$authtypecode.' '; my $filtervalues=qr([\001-\040\Q!'"`#$%&*+,-./:;<=>?@(){[}_|~\E\]]); if ($record->field($auth_tag_to_report)) { foreach ($record->field($auth_tag_to_report)->subfields()) { $_->[1]=~s/$filtervalues/ /g; $query.= " $op he:\"".$_->[1]."\"" if ($_->[0]=~/[A-z]/); } } my $searcher = Koha::SearchEngine::Search->new({index => $Koha::SearchEngine::AUTHORITIES_INDEX}); my ($error, $results, $total_hits) = $searcher->simple_search_compat( $query, 0, 1, [ 'authorityserver' ] ); # there is at least 1 result => return the 1st one if (!defined $error && @{$results} ) { my $marcrecord = C4::Search::new_record_from_zebra( 'authorityserver', $results->[0] ); return $marcrecord->field('001')->data,BuildSummary($marcrecord,$marcrecord->field('001')->data,$authtypecode); } # no result, returns nothing return; } =head2 BuildSummary $summary= &BuildSummary( $record, $authid, $authtypecode) Returns a hashref with a summary of the specified record. Comment : authtypecode can be inferred from both record and authid. Moreover, authid can also be inferred from $record. Would it be interesting to delete those things. =cut sub BuildSummary { ## give this a Marc record to return summary my ($record,$authid,$authtypecode)=@_; my $dbh=C4::Context->dbh; my %summary; my $summary_template; # handle $authtypecode is NULL or eq "" if ($authtypecode) { my $authref = Koha::Authority::Types->find($authtypecode); if ( $authref ) { $summary{authtypecode} = $authref->authtypecode; $summary{type} = $authref->authtypetext; $summary_template = $authref->summary; # for MARC21, the authority type summary displays a label meant for # display if (C4::Context->preference('marcflavour') ne 'UNIMARC') { $summary{label} = $authref->summary; } else { $summary{summary} = $authref->summary; } } } my $marc21subfields = 'abcdfghjklmnopqrstuvxyz68'; my %marc21controlrefs = ( 'a' => 'earlier', 'b' => 'later', 'd' => 'acronym', 'f' => 'musical', 'g' => 'broader', 'h' => 'narrower', 'n' => 'notapplicable', 'i' => 'subfi', 't' => 'parent' ); my %unimarc_relation_from_code = ( g => 'broader', h => 'narrower', a => 'seealso', ); my %thesaurus; $thesaurus{'1'}="Peuples"; $thesaurus{'2'}="Anthroponymes"; $thesaurus{'3'}="Oeuvres"; $thesaurus{'4'}="Chronologie"; $thesaurus{'5'}="Lieux"; $thesaurus{'6'}="Sujets"; #thesaurus a remplir my $reported_tag; # if the library has a summary defined, use it. Otherwise, build a standard one # FIXME - it appears that the summary field in the authority frameworks # can work as a display template. However, this doesn't # suit the MARC21 version, so for now the "templating" # feature will be enabled only for UNIMARC for backwards # compatibility. if ($summary{summary} and C4::Context->preference('marcflavour') eq 'UNIMARC') { my @matches = ($summary{summary} =~ m/\[(.*?)(\d{3})([\*a-z0-9])(.*?)\]/g); my (@textbefore, @tag, @subtag, @textafter); for(my $i = 0; $i < scalar @matches; $i++){ push @textbefore, $matches[$i] if($i%4 == 0); push @tag, $matches[$i] if($i%4 == 1); push @subtag, $matches[$i] if($i%4 == 2); push @textafter, $matches[$i] if($i%4 == 3); } for(my $i = scalar @tag; $i >= 0; $i--){ my $textbefore = $textbefore[$i] || ''; my $tag = $tag[$i] || ''; my $subtag = $subtag[$i] || ''; my $textafter = $textafter[$i] || ''; my $value = ''; my $field = $record->field($tag); if ( $field ) { if($subtag eq '*') { if($tag < 10) { $value = $textbefore . $field->data() . $textafter; } } else { my @subfields = $field->subfield($subtag); if(@subfields > 0) { $value = $textbefore . join (" - ", @subfields) . $textafter; } } } $summary{summary} =~ s/\[\Q$textbefore$tag$subtag$textafter\E\]/$value/; } $summary{summary} =~ s/\\n/
/g; } my @authorized; my @notes; my @seefrom; my @seealso; my @otherscript; if (C4::Context->preference('marcflavour') eq 'UNIMARC') { # construct UNIMARC summary, that is quite different from MARC21 one # accepted form foreach my $field ($record->field('2..')) { push @authorized, { heading => $field->as_string('abcdefghijlmnopqrstuvwxyz'), hemain => ( $field->subfield('a') // undef ), field => $field->tag(), }; } # rejected form(s) foreach my $field ($record->field('3..')) { push @notes, { note => $field->subfield('a'), field => $field->tag() }; } foreach my $field ($record->field('4..')) { my $thesaurus = $field->subfield('2') ? "thes. : ".$thesaurus{"$field->subfield('2')"}." : " : ''; push @seefrom, { heading => $thesaurus . $field->as_string('abcdefghijlmnopqrstuvwxyz'), hemain => ( $field->subfield('a') // undef ), type => 'seefrom', field => $field->tag(), }; } # see : @seealso = map { my $type = $unimarc_relation_from_code{$_->subfield('5') || 'a'}; my $heading = $_->as_string('abcdefgjxyz'); { field => $_->tag, type => $type, heading => $heading, hemain => ( $_->subfield('a') // undef ), search => $heading, authid => ( $_->subfield('9') // undef ), } } $record->field('5..'); # Other forms @otherscript = map { { lang => length ($_->subfield('8')) == 6 ? substr ($_->subfield('8'), 3, 3) : $_->subfield('8') || '', term => $_->subfield('a') . ($_->subfield('b') ? ', ' . $_->subfield('b') : ''), direction => 'ltr', field => $_->tag, } } $record->field('7..'); } else { # construct MARC21 summary # FIXME - looping over 1XX is questionable # since MARC21 authority should have only one 1XX use C4::Heading::MARC21; my $handler = C4::Heading::MARC21->new(); my $subfields_to_report; foreach my $field ($record->field('1..')) { my $tag = $field->tag(); next if "152" eq $tag; # FIXME - 152 is not a good tag to use # in MARC21 -- purely local tags really ought to be # 9XX $subfields_to_report = $handler->get_auth_heading_subfields_to_report($tag); if ($subfields_to_report) { push @authorized, { heading => $field->as_string($subfields_to_report), hemain => ( $field->subfield( substr($subfields_to_report, 0, 1) ) // undef ), field => $tag, }; } else { push @authorized, { heading => $field->as_string(), hemain => ( $field->subfield( 'a' ) // undef ), field => $tag, }; } } foreach my $field ($record->field('4..')) { #See From my $type = 'seefrom'; $type = ($marc21controlrefs{substr $field->subfield('w'), 0, 1} || '') if ($field->subfield('w')); if ($type eq 'notapplicable') { $type = substr $field->subfield('w'), 2, 1; $type = 'earlier' if $type && $type ne 'n'; } if ($type eq 'subfi') { push @seefrom, { heading => $field->as_string($marc21subfields), hemain => scalar $field->subfield( substr($marc21subfields, 0, 1) ), type => ($field->subfield('i') || ''), field => $field->tag(), }; } else { push @seefrom, { heading => $field->as_string($marc21subfields), hemain => scalar $field->subfield( substr($marc21subfields, 0, 1) ), type => $type, field => $field->tag(), }; } } foreach my $field ($record->field('5..')) { #See Also my $type = 'seealso'; $type = ($marc21controlrefs{substr $field->subfield('w'), 0, 1} || '') if ($field->subfield('w')); if ($type eq 'notapplicable') { $type = substr $field->subfield('w'), 2, 1; $type = 'earlier' if $type && $type ne 'n'; } if ($type eq 'subfi') { push @seealso, { heading => $field->as_string($marc21subfields), hemain => scalar $field->subfield( substr($marc21subfields, 0, 1) ), type => scalar $field->subfield('i'), field => $field->tag(), search => $field->as_string($marc21subfields) || '', authid => $field->subfield('9') || '' }; } else { push @seealso, { heading => $field->as_string($marc21subfields), hemain => scalar $field->subfield( substr($marc21subfields, 0, 1) ), type => $type, field => $field->tag(), search => $field->as_string($marc21subfields) || '', authid => $field->subfield('9') || '' }; } } foreach my $field ($record->field('6..')) { push @notes, { note => $field->as_string(), field => $field->tag() }; } foreach my $field ($record->field('880')) { my $linkage = $field->subfield('6'); my $category = substr $linkage, 0, 1; if ($category eq '1') { $category = 'preferred'; } elsif ($category eq '4') { $category = 'seefrom'; } elsif ($category eq '5') { $category = 'seealso'; } my $type; if ($field->subfield('w')) { $type = $marc21controlrefs{substr $field->subfield('w'), '0'}; } else { $type = $category; } my $direction = $linkage =~ m#/r$# ? 'rtl' : 'ltr'; push @otherscript, { term => $field->as_string($subfields_to_report), category => $category, type => $type, direction => $direction, linkage => $linkage }; } } $summary{mainentry} = $authorized[0]->{heading}; $summary{mainmainentry} = $authorized[0]->{hemain}; $summary{authorized} = \@authorized; $summary{notes} = \@notes; $summary{seefrom} = \@seefrom; $summary{seealso} = \@seealso; $summary{otherscript} = \@otherscript; return \%summary; } =head2 GetAuthorizedHeading $heading = &GetAuthorizedHeading({ record => $record, authid => $authid }) Takes a MARC::Record object describing an authority record or an authid, and returns a string representation of the first authorized heading. This routine should be considered a temporary shim to ease the future migration of authority data from C4::AuthoritiesMarc to the object-oriented Koha::*::Authority. =cut sub GetAuthorizedHeading { my $args = shift; my $record; unless ($record = $args->{record}) { return unless $args->{authid}; $record = GetAuthority($args->{authid}); } return unless (ref $record eq 'MARC::Record'); if (C4::Context->preference('marcflavour') eq 'UNIMARC') { # construct UNIMARC summary, that is quite different from MARC21 one # accepted form foreach my $field ($record->field('2..')) { return $field->as_string('abcdefghijlmnopqrstuvwxyz'); } } else { use C4::Heading::MARC21; my $handler = C4::Heading::MARC21->new(); foreach my $field ($record->field('1..')) { my $subfields = $handler->get_valid_bib_heading_subfields($field->tag()); return $field->as_string($subfields) if ($subfields); } } return; } =head2 CompareFieldWithAuthority $match = &CompareFieldWithAuthority({ field => $field, authid => $authid }) Takes a MARC::Field from a bibliographic record and an authid, and returns true if they match. =cut sub CompareFieldWithAuthority { my $args = shift; my $record = GetAuthority($args->{authid}); return unless (ref $record eq 'MARC::Record'); if (C4::Context->preference('marcflavour') eq 'UNIMARC') { # UNIMARC has same subfields for bibs and authorities foreach my $field ($record->field('2..')) { return compare_fields($field, $args->{field}, 'abcdefghijlmnopqrstuvwxyz'); } } else { use C4::Heading::MARC21; my $handler = C4::Heading::MARC21->new(); foreach my $field ($record->field('1..')) { my $subfields = $handler->get_valid_bib_heading_subfields($field->tag()); return compare_fields($field, $args->{field}, $subfields) if ($subfields); } } return 0; } =head2 BuildAuthHierarchies $text= &BuildAuthHierarchies( $authid, $force) return text containing trees for hierarchies for them to be stored in auth_header Example of text: 122,1314,2452;1324,2342,3,2452 =cut sub BuildAuthHierarchies{ my $authid = shift @_; # warn "authid : $authid"; my $force = shift @_ || (C4::Context->preference('marcflavour') eq 'UNIMARC' ? 0 : 1); my @globalresult; my $dbh=C4::Context->dbh; my $hierarchies; my $data = GetHeaderAuthority($authid); if ($data->{'authtrees'} and not $force){ return $data->{'authtrees'}; # } elsif ($data->{'authtrees'}){ # $hierarchies=$data->{'authtrees'}; } else { my $record = GetAuthority($authid); my $found; return unless $record; foreach my $field ($record->field('5..')){ my $broader = 0; $broader = 1 if ( (C4::Context->preference('marcflavour') eq 'UNIMARC' && $field->subfield('5') && $field->subfield('5') eq 'g') || (C4::Context->preference('marcflavour') ne 'UNIMARC' && $field->subfield('w') && substr($field->subfield('w'), 0, 1) eq 'g')); if ($broader) { my $subfauthid=_get_authid_subfield($field) || ''; next if ($subfauthid eq $authid); my $parentrecord = GetAuthority($subfauthid); next unless $parentrecord; my $localresult=$hierarchies; my $trees; $trees = BuildAuthHierarchies($subfauthid); my @trees; if ($trees=~/;/){ @trees = split(/;/,$trees); } else { push @trees, $trees; } foreach (@trees){ $_.= ",$authid"; } @globalresult = (@globalresult,@trees); $found=1; } $hierarchies=join(";",@globalresult); } #Unless there is no ancestor, I am alone. $hierarchies="$authid" unless ($hierarchies); } AddAuthorityTrees($authid,$hierarchies); return $hierarchies; } =head2 BuildAuthHierarchy $ref= &BuildAuthHierarchy( $record, $class,$authid) return a hashref in order to display hierarchy for record and final Authid $authid "loopparents" "loopchildren" "class" "loopauthid" "current_value" "value" =cut sub BuildAuthHierarchy{ my $record = shift @_; my $class = shift @_; my $authid_constructed = shift @_; return unless ($record && $record->field('001')); my $authid=$record->field('001')->data(); my %cell; my $parents=""; my $children=""; my (@loopparents,@loopchildren); my $marcflavour = C4::Context->preference('marcflavour'); my $relationshipsf = $marcflavour eq 'UNIMARC' ? '5' : 'w'; foreach my $field ($record->field('5..')){ my $subfauthid=_get_authid_subfield($field); if ($subfauthid && $field->subfield($relationshipsf) && $field->subfield('a')){ my $relationship = substr($field->subfield($relationshipsf), 0, 1); if ($relationship eq 'h'){ push @loopchildren, { "authid"=>$subfauthid,"value"=>$field->subfield('a')}; } elsif ($relationship eq 'g'){ push @loopparents, { "authid"=>$subfauthid,"value"=>$field->subfield('a')}; } # brothers could get in there with an else } } $cell{"parents"}=\@loopparents; $cell{"children"}=\@loopchildren; $cell{"class"}=$class; $cell{"authid"}=$authid; $cell{"current_value"} =1 if ($authid eq $authid_constructed); $cell{"value"}=C4::Context->preference('marcflavour') eq 'UNIMARC' ? $record->subfield('2..',"a") : $record->subfield('1..', 'a'); return \%cell; } =head2 BuildAuthHierarchyBranch $branch = &BuildAuthHierarchyBranch( $tree, $authid[, $cnt]) Return a data structure representing an authority hierarchy given a list of authorities representing a single branch in an authority hierarchy tree. $authid is the current node in the tree (which may or may not be somewhere in the middle). $cnt represents the level of the upper-most item, and is only used when BuildAuthHierarchyBranch is called recursively (i.e., don't ever pass in anything but zero to it). =cut sub BuildAuthHierarchyBranch { my ($tree, $authid, $cnt) = @_; $cnt |= 0; my $elementdata = GetAuthority(shift @$tree); my $branch = BuildAuthHierarchy($elementdata,"child".$cnt, $authid); if (scalar @$tree > 0) { my $nextBranch = BuildAuthHierarchyBranch($tree, $authid, ++$cnt); my $nextAuthid = $nextBranch->{authid}; my $found; # If we already have the next branch listed as a child, let's # replace the old listing with the new one. If not, we will add # the branch at the end. foreach my $cell (@{$branch->{children}}) { if ($cell->{authid} eq $nextAuthid) { $cell = $nextBranch; $found = 1; last; } } push @{$branch->{children}}, $nextBranch unless $found; } return $branch; } =head2 GenerateHierarchy $hierarchy = &GenerateHierarchy($authid); Return an arrayref holding one or more "trees" representing authority hierarchies. =cut sub GenerateHierarchy { my ($authid) = @_; my $trees = BuildAuthHierarchies($authid); my @trees = split /;/,$trees ; push @trees,$trees unless (@trees); my @loophierarchies; foreach my $tree (@trees){ my @tree=split /,/,$tree; push @tree, $tree unless (@tree); my $branch = BuildAuthHierarchyBranch(\@tree, $authid); push @loophierarchies, [ $branch ]; } return \@loophierarchies; } sub _get_authid_subfield{ my ($field)=@_; return $field->subfield('9')||$field->subfield('3'); } =head2 GetHeaderAuthority $ref= &GetHeaderAuthority( $authid) return a hashref in order auth_header table data =cut sub GetHeaderAuthority{ my $authid = shift @_; my $sql= "SELECT * from auth_header WHERE authid = ?"; my $dbh=C4::Context->dbh; my $rq= $dbh->prepare($sql); $rq->execute($authid); my $data= $rq->fetchrow_hashref; return $data; } =head2 AddAuthorityTrees $ref= &AddAuthorityTrees( $authid, $trees) return success or failure =cut sub AddAuthorityTrees{ my $authid = shift @_; my $trees = shift @_; my $sql= "UPDATE IGNORE auth_header set authtrees=? WHERE authid = ?"; my $dbh=C4::Context->dbh; my $rq= $dbh->prepare($sql); return $rq->execute($trees,$authid); } =head2 merge $count = merge({ mergefrom => $mergefrom, [ MARCfrom => $MARCfrom, ] [ mergeto => $mergeto, ] [ MARCto => $MARCto, ] [ biblionumbers => [ $a, $b, $c ], ] [ override_limit => 1, ] }); Merge biblios linked to authority $mergefrom (mandatory parameter). If $mergeto equals mergefrom, the linked biblio field is updated. If $mergeto is different, the biblio field will be linked to $mergeto. If $mergeto is missing, the biblio field is deleted. MARCfrom is used to determine if a cleared subfield in the authority record should be removed from a biblio. MARCto is used to populate the biblio record with the updated values; if you do not pass it, the biblio field will be deleted (same as missing mergeto). Normally all biblio records linked to $mergefrom, will be considered. But you can pass specific numbers via the biblionumbers parameter. The parameter override_limit is used by the cron job to force larger postponed merges. Note: Although $mergefrom and $mergeto will normally be of the same authority type, merge also supports moving to another authority type. =cut sub merge { my ( $params ) = @_; my $mergefrom = $params->{mergefrom} || return; my $MARCfrom = $params->{MARCfrom}; my $mergeto = $params->{mergeto}; my $MARCto = $params->{MARCto}; my $override_limit = $params->{override_limit}; # If we do not have biblionumbers, we get all linked biblios if the # number of linked records does not exceed the limit UNLESS we override. my @biblionumbers; if( $params->{biblionumbers} ) { @biblionumbers = @{ $params->{biblionumbers} }; } elsif( $override_limit ) { @biblionumbers = Koha::Authorities->linked_biblionumbers({ authid => $mergefrom }); } else { # now first check number of linked records my $max = C4::Context->preference('AuthorityMergeLimit') // 0; my $hits = Koha::Authorities->get_usage_count({ authid => $mergefrom }); if( $hits > 0 && $hits <= $max ) { @biblionumbers = Koha::Authorities->linked_biblionumbers({ authid => $mergefrom }); } elsif( $hits > $max ) { #postpone this merge to the cron job Koha::Authority::MergeRequest->new({ authid => $mergefrom, oldrecord => $MARCfrom, authid_new => $mergeto, })->store; } } return 0 if !@biblionumbers; # Search authtypes and reporting tags my $authfrom = Koha::Authorities->find($mergefrom); my $authto = Koha::Authorities->find($mergeto); my $authtypefrom = $authfrom ? Koha::Authority::Types->find($authfrom->authtypecode) : undef; my $authtypeto = $authto ? Koha::Authority::Types->find($authto->authtypecode) : undef; my $auth_tag_to_report_from = $authtypefrom ? $authtypefrom->auth_tag_to_report : ''; my $auth_tag_to_report_to = $authtypeto ? $authtypeto->auth_tag_to_report : ''; my @record_to; @record_to = $MARCto->field($auth_tag_to_report_to)->subfields() if $auth_tag_to_report_to && $MARCto && $MARCto->field($auth_tag_to_report_to); # Exceptional: If MARCto and authtypeto exist but $auth_tag_to_report_to # is empty, make sure that $9 and $a remain (instead of clearing the # reference) in order to allow for data recovery. # Note: We need $a too, since a single $9 does not pass ModBiblio. if( $MARCto && $authtypeto && !@record_to ) { push @record_to, [ 'a', ' ' ]; # do not remove the space } my @record_from; if( !$authfrom && $MARCfrom && $MARCfrom->field('1..','2..') ) { # postponed merge, authfrom was deleted and MARCfrom only contains the old reporting tag (and possibly a 100 for UNIMARC) # 2XX is for UNIMARC; we use -1 in order to skip 100 in UNIMARC; this will not impact MARC21, since there is only one tag @record_from = ( $MARCfrom->field('1..','2..') )[-1]->subfields; } elsif( $auth_tag_to_report_from && $MARCfrom && $MARCfrom->field($auth_tag_to_report_from) ) { @record_from = $MARCfrom->field($auth_tag_to_report_from)->subfields; } # Get all candidate tags for the change # (This will reduce the search scope in marc records). # For a deleted authority record, we scan all auth controlled fields my $dbh = C4::Context->dbh; my $sql = "SELECT DISTINCT tagfield FROM marc_subfield_structure WHERE authtypecode=?"; my $tags_using_authtype = $authtypefrom && $authtypefrom->authtypecode ? $dbh->selectcol_arrayref( $sql, undef, ( $authtypefrom->authtypecode )) : $dbh->selectcol_arrayref( "SELECT DISTINCT tagfield FROM marc_subfield_structure WHERE authtypecode IS NOT NULL AND authtypecode<>''" ); my $tags_new; if( $authtypeto && ( !$authtypefrom || $authtypeto->authtypecode ne $authtypefrom->authtypecode )) { $tags_new = $dbh->selectcol_arrayref( $sql, undef, ( $authtypeto->authtypecode )); } my $overwrite = C4::Context->preference( 'AuthorityMergeMode' ) eq 'strict'; my $skip_subfields = $overwrite # This hash contains all subfields from the authority report fields # Including $MARCfrom as well as $MARCto # We only need it in loose merge mode; replaces the former $exclude ? {} : { map { ( $_->[0], 1 ); } ( @record_from, @record_to ) }; my $counteditedbiblio = 0; foreach my $biblionumber ( @biblionumbers ) { my $marcrecord = GetMarcBiblio({ biblionumber => $biblionumber }); next if !$marcrecord; my $update = 0; foreach my $tagfield (@$tags_using_authtype) { my $countfrom = 0; # used in strict mode to remove duplicates foreach my $field ( $marcrecord->field($tagfield) ) { my $auth_number = $field->subfield("9"); # link to authority my $tag = $field->tag(); next if !defined($auth_number) || $auth_number ne $mergefrom; $countfrom++; if ( !$mergeto || !@record_to || ( $overwrite && $countfrom > 1 ) ) { # !mergeto or !record_to indicates a delete # Other condition: remove this duplicate in strict mode $marcrecord->delete_field($field); $update = 1; next; } my $newtag = $tags_new && @$tags_new ? _merge_newtag( $tag, $tags_new ) : $tag; my $controlled_ind = $authto->controlled_indicators({ record => $MARCto, biblio_tag => $newtag }); my $field_to = MARC::Field->new( $newtag, $controlled_ind->{ind1} // $field->indicator(1), $controlled_ind->{ind2} // $field->indicator(2), 9 => $mergeto, # Needed to create field, will be moved ); my ( @prefix, @postfix ); if ( !$overwrite ) { # add subfields back in loose mode, check skip_subfields # The first extra subfields will be in front of the # controlled block, the rest at the end. my $prefix_flag = 1; foreach my $subfield ( $field->subfields ) { next if $subfield->[0] eq '9'; # skip but leave flag if ( $skip_subfields->{ $subfield->[0] } ) { # This marks the beginning of the controlled block $prefix_flag = 0; next; } if ($prefix_flag) { push @prefix, [ $subfield->[0], $subfield->[1] ]; } else { push @postfix, [ $subfield->[0], $subfield->[1] ]; } } } foreach my $subfield ( @prefix, @record_to, @postfix ) { $field_to->add_subfields($subfield->[0] => $subfield->[1]); } if( exists $controlled_ind->{sub2} ) { # thesaurus info if( defined $controlled_ind->{sub2} ) { # Add or replace $field_to->update( 2 => $controlled_ind->{sub2} ); } else { # Key alerts us here to remove $2 $field_to->delete_subfield( code => '2' ); } } # Move $9 to the end $field_to->delete_subfield( code => '9' ); $field_to->add_subfields( 9 => $mergeto ); if ($tags_new && @$tags_new) { $marcrecord->delete_field($field); append_fields_ordered( $marcrecord, $field_to ); } else { $field->replace_with($field_to); } $update = 1; } } next if !$update; ModBiblio($marcrecord, $biblionumber, GetFrameworkCode($biblionumber)); $counteditedbiblio++; } return $counteditedbiblio; } sub _merge_newtag { # Routine is only called for an (exceptional) authtypecode change # Fixes old behavior of returning the first tag found my ( $oldtag, $new_tags ) = @_; # If we e.g. have 650 and 151,651,751 try 651 and check presence my $prefix = substr( $oldtag, 0, 1 ); my $guess = $prefix . substr( $new_tags->[0], -2 ); if( grep { $_ eq $guess } @$new_tags ) { return $guess; } # Otherwise return one from the same block e.g. 6XX for 650 # If not there too, fall back to first new tag (old behavior!) my @same_block = grep { /^$prefix/ } @$new_tags; return @same_block ? $same_block[0] : $new_tags->[0]; } sub append_fields_ordered { # while we lack this function in MARC::Record # we do not want insert_fields_ordered since it inserts before my ( $record, $field ) = @_; if( my @flds = $record->field( $field->tag ) ) { $record->insert_fields_after( pop @flds, $field ); } else { # now fallback to insert_fields_ordered $record->insert_fields_ordered( $field ); } } =head2 get_auth_type_location my ($tag, $subfield) = get_auth_type_location($auth_type_code); Get the tag and subfield used to store the heading type for indexing purposes. The C<$auth_type> parameter is optional; if it is not supplied, assume ''. This routine searches the MARC authority framework for the tag and subfield whose kohafield is C; if no such field is defined in the framework, default to the hardcoded value specific to the MARC format. =cut sub get_auth_type_location { my $auth_type_code = @_ ? shift : ''; my ($tag, $subfield) = GetAuthMARCFromKohaField('auth_header.authtypecode', $auth_type_code); if (defined $tag and defined $subfield and $tag != 0 and $subfield ne '' and $subfield ne ' ') { return ($tag, $subfield); } else { if (C4::Context->preference('marcflavour') eq "MARC21") { return C4::AuthoritiesMarc::MARC21::default_auth_type_location(); } else { return C4::AuthoritiesMarc::UNIMARC::default_auth_type_location(); } } } =head2 compare_fields my match = compare_fields($field1, $field2, 'abcde'); Compares the listed subfields of both fields and return true if they all match =cut sub compare_fields { my ($field1, $field2, $subfields) = @_; foreach my $subfield (split(//, $subfields)) { my $subfield1 = $field1->subfield($subfield) // ''; my $subfield2 = $field2->subfield($subfield) // ''; return 0 unless $subfield1 eq $subfield2; } return 1; } END { } # module clean-up code here (global destructor) 1; __END__ =head1 AUTHOR Koha Development Team Paul POULAIN paul.poulain@free.fr Ere Maijala ere.maijala@helsinki.fi =cut