[Koha-patches] [PATCH] Bug 8823: CatalogModuleRelink Creates Multiple Links between Bib and Auth record

Doug Kingston dpk at randomnotes.org
Tue Nov 27 00:16:03 CET 2012


Bug 9149 <http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=9149>filed
for tracking this.


On Mon, Nov 26, 2012 at 2:46 PM, Doug Kingston <dpk at randomnotes.org> wrote:

> This patch appears to break koha 3.8.7.  The routine GetAuthorizedHeading
> does not exist anywhere in the source.
> This breaks link_bibs_to_authorities.pl and possibly other things.
>
> -Doug-
>
>
> On Wed, Sep 26, 2012 at 2:39 PM, Jared Camins-Esakov <
> jcamins at cpbibliography.com> wrote:
>
>> On 3.8.x, it was possible for multiple automatically generated
>> authorities to be linked to a single heading. This patch deletes
>> previous links from headings prior to linking them to
>> automatically-generated headings. This patch also corrects a
>> potential problem wherein multiple authorities might be generated if
>> a record is edited repeatedly in quick succession. The latter problem
>> exists on Master and 3.6.x as well, and the code that corrects the
>> multiple linkages is equally applicable if seemingly unnecessary.
>> ---
>>  C4/Biblio.pm |  124
>> +++++++++++++++++++++++++++++++++++++--------------------
>>  1 files changed, 80 insertions(+), 44 deletions(-)
>>
>> diff --git a/C4/Biblio.pm b/C4/Biblio.pm
>> index ed8a169..9de9b85 100644
>> --- a/C4/Biblio.pm
>> +++ b/C4/Biblio.pm
>> @@ -568,21 +568,27 @@ sub LinkBibHeadingsToAuthorities {
>>                  $results{'fuzzy'}->{ $heading->display_form() }++;
>>              }
>>              elsif ( C4::Context->preference('AutoCreateAuthorities') ) {
>> -                my $authtypedata =
>> -                  C4::AuthoritiesMarc::GetAuthType(
>> $heading->auth_type() );
>> -                my $marcrecordauth = MARC::Record->new();
>> -                if ( C4::Context->preference('marcflavour') eq 'MARC21'
>> ) {
>> -                    $marcrecordauth->leader('     nz  a22     o  4500');
>> -                    SetMarcUnicodeFlag( $marcrecordauth, 'MARC21' );
>> +                if ( _check_valid_auth_link( $current_link, $field ) ) {
>> +                    $results{'linked'}->{ $heading->display_form() }++;
>>                  }
>> -                my $authfield =
>> -                  MARC::Field->new( $authtypedata->{auth_tag_to_report},
>> -                    '', '', "a" => "" . $field->subfield('a') );
>> -                map {
>> -                    $authfield->add_subfields( $_->[0] => $_->[1] )
>> -                      if ( $_->[0] =~ /[A-z]/ && $_->[0] ne "a" )
>> -                } $field->subfields();
>> -                $marcrecordauth->insert_fields_ordered($authfield);
>> +                else {
>> +                    my $authtypedata =
>> +                      C4::AuthoritiesMarc::GetAuthType(
>> $heading->auth_type() );
>> +                    my $marcrecordauth = MARC::Record->new();
>> +                    if ( C4::Context->preference('marcflavour') eq
>> 'MARC21' ) {
>> +                        $marcrecordauth->leader('     nz  a22     o
>>  4500');
>> +                        SetMarcUnicodeFlag( $marcrecordauth, 'MARC21' );
>> +                    }
>> +                    $field->delete_subfield( code => '9' )
>> +                      if defined $current_link;
>> +                    my $authfield =
>> +                      MARC::Field->new(
>> $authtypedata->{auth_tag_to_report},
>> +                        '', '', "a" => "" . $field->subfield('a') );
>> +                    map {
>> +                        $authfield->add_subfields( $_->[0] => $_->[1] )
>> +                          if ( $_->[0] =~ /[A-z]/ && $_->[0] ne "a" )
>> +                    } $field->subfields();
>> +                    $marcrecordauth->insert_fields_ordered($authfield);
>>
>>  # bug 2317: ensure new authority knows it's using UTF-8; currently
>>  # only need to do this for MARC21, as MARC::Record->as_xml_record()
>> handles
>> @@ -591,41 +597,47 @@ sub LinkBibHeadingsToAuthorities {
>>  # use UTF-8, but as of 2008-08-05, did not want to introduce that kind
>>  # of change to a core API just before the 3.0 release.
>>
>> -                if ( C4::Context->preference('marcflavour') eq 'MARC21'
>> ) {
>> -                    $marcrecordauth->insert_fields_ordered(
>> -                        MARC::Field->new(
>> -                            '667', '', '',
>> -                            'a' => "Machine generated authority record."
>> -                        )
>> -                    );
>> -                    my $cite =
>> -                        $bib->author() . ", "
>> -                      . $bib->title_proper() . ", "
>> -                      . $bib->publication_date() . " ";
>> -                    $cite =~ s/^[\s\,]*//;
>> -                    $cite =~ s/[\s\,]*$//;
>> -                    $cite =
>> -                        "Work cat.: ("
>> -                      . C4::Context->preference('MARCOrgCode') . ")"
>> -                      . $bib->subfield( '999', 'c' ) . ": "
>> -                      . $cite;
>> -                    $marcrecordauth->insert_fields_ordered(
>> -                        MARC::Field->new( '670', '', '', 'a' => $cite )
>> );
>> -                }
>> +                    if ( C4::Context->preference('marcflavour') eq
>> 'MARC21' ) {
>> +                        $marcrecordauth->insert_fields_ordered(
>> +                            MARC::Field->new(
>> +                                '667', '', '',
>> +                                'a' => "Machine generated authority
>> record."
>> +                            )
>> +                        );
>> +                        my $cite =
>> +                            $bib->author() . ", "
>> +                          . $bib->title_proper() . ", "
>> +                          . $bib->publication_date() . " ";
>> +                        $cite =~ s/^[\s\,]*//;
>> +                        $cite =~ s/[\s\,]*$//;
>> +                        $cite =
>> +                            "Work cat.: ("
>> +                          . C4::Context->preference('MARCOrgCode') . ")"
>> +                          . $bib->subfield( '999', 'c' ) . ": "
>> +                          . $cite;
>> +                        $marcrecordauth->insert_fields_ordered(
>> +                            MARC::Field->new( '670', '', '', 'a' =>
>> $cite ) );
>> +                    }
>>
>>             #          warn "AUTH RECORD ADDED :
>> ".$marcrecordauth->as_formatted;
>>
>> -                $authid =
>> -                  C4::AuthoritiesMarc::AddAuthority( $marcrecordauth, '',
>> -                    $heading->auth_type() );
>> -                $field->add_subfields( '9', $authid );
>> -                $num_headings_changed++;
>> -                $results{'added'}->{ $heading->display_form() }++;
>> +                    $authid =
>> +                      C4::AuthoritiesMarc::AddAuthority(
>> $marcrecordauth, '',
>> +                        $heading->auth_type() );
>> +                    $field->add_subfields( '9', $authid );
>> +                    $num_headings_changed++;
>> +                    $results{'added'}->{ $heading->display_form() }++;
>> +                }
>>              }
>>              elsif ( defined $current_link ) {
>> -                $field->delete_subfield( code => '9' );
>> -                $num_headings_changed++;
>> -                $results{'unlinked'}->{ $heading->display_form() }++;
>> +                if ( _check_valid_auth_link( $current_link, $field ) ) {
>> +                    $results{'linked'}->{ $heading->display_form() }++;
>> +                }
>> +                else {
>> +                    $field->delete_subfield( code => '9' );
>> +                    $num_headings_changed++;
>> +                    $results{'unlinked'}->{ $heading->display_form() }++;
>> +                }
>>              }
>>              else {
>>                  $results{'unlinked'}->{ $heading->display_form() }++;
>> @@ -636,6 +648,30 @@ sub LinkBibHeadingsToAuthorities {
>>      return $num_headings_changed, \%results;
>>  }
>>
>> +=head2 _check_valid_auth_link
>> +
>> +    if ( _check_valid_auth_link($authid, $field) ) {
>> +        ...
>> +    }
>> +
>> +Check whether the specified heading-auth link is valid without reference
>> +to Zebra/Solr. Ideally this code would be in C4::Heading, but that won't
>> be
>> +possible until we have de-cycled C4::AuthoritiesMarc, so this is the
>> +safest place.
>> +
>> +=cut
>> +
>> +sub _check_valid_auth_link {
>> +    my ( $authid, $field ) = @_;
>> +
>> +    require C4::AuthoritiesMarc;
>> +
>> +    my $authorized_heading =
>> +      C4::AuthoritiesMarc::GetAuthorizedHeading( { 'authid' => $authid }
>> );
>> +
>> +   return ($field->as_string('abcdefghijklmnopqrstuvwxyz') eq
>> $authorized_heading);
>> +}
>> +
>>  =head2 GetRecordValue
>>
>>    my $values = GetRecordValue($field, $record, $frameworkcode);
>> --
>> 1.7.2.5
>> _______________________________________________
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>> website : http://www.koha-community.org/
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>> bugs : http://bugs.koha-community.org/
>>
>
>
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