INSERT INTO config.metabib_field ( id, field_class, name, label, format, xpath, search_field, facet_field) VALUES
(28, 'identifier', 'authority_id', oils_i18n_gettext(28, 'Authority Record ID', 'cmf', 'label'), 'marcxml', '//marc:datafield/marc:subfield[@code="0"]', FALSE, TRUE);
INSERT INTO config.metabib_field ( id, field_class, name, label, format, xpath) VALUES
- (29, 'identifier', 'system_control_number', oils_i18n_gettext(28, 'System Control Number', 'cmf', 'label'), 'marcxml', $$//marc:datafield[@tag='035']/marc:subfield[@code="a"]$$);
+ (29, 'identifier', 'scn', oils_i18n_gettext(28, 'System Control Number', 'cmf', 'label'), 'marcxml', $$//marc:datafield[@tag='035']/marc:subfield[@code="a"]$$);
+INSERT INTO config.metabib_field ( id, field_class, name, label, format, xpath) VALUES
+ (30, 'identifier', 'lccn', oils_i18n_gettext(28, 'LC Control Number', 'cmf', 'label'), 'marcxml', $$//marc:datafield[@tag='010']/marc:subfield[@code="a" or @code='z']$$);
SELECT SETVAL('config.metabib_field_id_seq'::TEXT, (SELECT MAX(id) FROM config.metabib_field), TRUE);
--- /dev/null
+BEGIN;
+
+CREATE OR REPLACE FUNCTION maintain_control_numbers() RETURNS TRIGGER AS $func$
+use strict;
+use MARC::Record;
+use MARC::File::XML (BinaryEncoding => 'UTF-8');
+use MARC::Charset;
+use Encode;
+use Unicode::Normalize;
+
+MARC::Charset->assume_unicode(1);
+
+my $record = MARC::Record->new_from_xml($_TD->{new}{marc});
+my $schema = $_TD->{table_schema};
+my $rec_id = $_TD->{new}{id};
+
+# Short-circuit if maintaining control numbers per MARC21 spec is not enabled
+my $enable = spi_exec_query("SELECT enabled FROM config.global_flag WHERE name = 'cat.maintain_control_numbers'");
+if (!($enable->{processed}) or $enable->{rows}[0]->{enabled} eq 'f') {
+ return;
+}
+
+# Get the control number identifier from an OU setting based on $_TD->{new}{owner}
+my $ou_cni = 'EVRGRN';
+
+my $owner;
+if ($schema eq 'serial') {
+ $owner = $_TD->{new}{owning_lib};
+} else {
+ # are.owner and bre.owner can be null, so fall back to the consortial setting
+ $owner = $_TD->{new}{owner} || 1;
+}
+
+my $ous_rv = spi_exec_query("SELECT value FROM actor.org_unit_ancestor_setting('cat.marc_control_number_identifier', $owner)");
+if ($ous_rv->{processed}) {
+ $ou_cni = $ous_rv->{rows}[0]->{value};
+ $ou_cni =~ s/"//g; # Stupid VIM syntax highlighting"
+} else {
+ # Fall back to the shortname of the OU if there was no OU setting
+ $ous_rv = spi_exec_query("SELECT shortname FROM actor.org_unit WHERE id = $owner");
+ if ($ous_rv->{processed}) {
+ $ou_cni = $ous_rv->{rows}[0]->{shortname};
+ }
+}
+
+my ($create, $munge) = (0, 0);
+
+my @scns = $record->field('035');
+
+foreach my $id_field ('001', '003') {
+ my $spec_value;
+ my @controls = $record->field($id_field);
+
+ if ($id_field eq '001') {
+ $spec_value = $rec_id;
+ } else {
+ $spec_value = $ou_cni;
+ }
+
+ # Create the 001/003 if none exist
+ if (scalar(@controls) == 1) {
+ # Only one field; check to see if we need to munge it
+ unless (grep $_->data() eq $spec_value, @controls) {
+ $munge = 1;
+ }
+ } else {
+ # Delete the other fields, as with more than 1 001/003 we do not know which 003/001 to match
+ foreach my $control (@controls) {
+ unless ($control->data() eq $spec_value) {
+ $record->delete_field($control);
+ }
+ }
+ $record->insert_fields_ordered(MARC::Field->new($id_field, $spec_value));
+ $create = 1;
+ }
+}
+
+my $cn = $record->field('001')->data();
+# Special handling of OCLC numbers, often found in records that lack 003
+if ($cn =~ /^oc[nm]/) {
+ $cn =~ s/^oc[nm]0*(\d+)/$1/;
+ $record->field('003')->data('OCoLC');
+ $create = 0;
+}
+
+# Now, if we need to munge the 001, we will first push the existing 001/003
+# into the 035; but if the record did not have one (and one only) 001 and 003
+# to begin with, skip this process
+if ($munge and not $create) {
+
+ my $scn = "(" . $record->field('003')->data() . ")" . $cn;
+
+ # Do not create duplicate 035 fields
+ unless (grep $_->subfield('a') eq $scn, @scns) {
+ $record->insert_fields_ordered(MARC::Field->new('035', '', '', 'a' => $scn));
+ }
+
+ # Update the list of SCNs to avoid duplicates
+ @scns = $record->field('035');
+}
+
+# Set the 001/003 and update the MARC
+if ($create or $munge) {
+ $record->field('001')->data($rec_id);
+ $record->field('003')->data($ou_cni);
+
+ my $xml = $record->as_xml_record();
+ $xml =~ s/\n//sgo;
+ $xml =~ s/^<\?xml.+\?\s*>//go;
+ $xml =~ s/>\s+</></go;
+ $xml =~ s/\p{Cc}//go;
+
+ # Embed a version of OpenILS::Application::AppUtils->entityize()
+ # to avoid having to set PERL5LIB for PostgreSQL as well
+
+ # If we are going to convert non-ASCII characters to XML entities,
+ # we had better be dealing with a UTF8 string to begin with
+ $xml = decode_utf8($xml);
+
+ $xml = NFC($xml);
+
+ # Convert raw ampersands to entities
+ $xml =~ s/&(?!\S+;)/&/gso;
+
+ # Convert Unicode characters to entities
+ $xml =~ s/([\x{0080}-\x{fffd}])/sprintf('&#x%X;',ord($1))/sgoe;
+
+ $xml =~ s/[\x00-\x1f]//go;
+ $_TD->{new}{marc} = $xml;
+
+ return "MODIFY";
+}
+
+return;
+$func$ LANGUAGE PLPERLU;
+
+INSERT INTO config.metabib_field ( id, field_class, name, label, format, xpath) VALUES
+ (29, 'identifier', 'scn', oils_i18n_gettext(28, 'System Control Number', 'cmf', 'label'), 'marcxml', $$//marc:datafield[@tag='035']/marc:subfield[@code="a"]$$);
+INSERT INTO config.metabib_field ( id, field_class, name, label, format, xpath) VALUES
+ (30, 'identifier', 'lccn', oils_i18n_gettext(28, 'LC Control Number', 'cmf', 'label'), 'marcxml', $$//marc:datafield[@tag='010']/marc:subfield[@code="a" or @code='z']$$);
+
+-- Far from perfect, but much faster than reingesting every record
+INSERT INTO metabib.identifier_field_entry(source, field, value)
+ SELECT record, 29, value FROM metabib.full_rec WHERE tag = '035' AND subfield = 'a';
+INSERT INTO metabib.identifier_field_entry(source, field, value)
+ SELECT record, 30, value FROM metabib.full_rec WHERE tag = '010' AND subfield IN ('a', 'z');
+
+COMMIT;
projects / working / Evergreen.git / commitdiff