+CREATE OR REPLACE FUNCTION migration_tools.marc_parses( TEXT ) RETURNS BOOLEAN AS $func$
+
+use MARC::Record;
+use MARC::File::XML (BinaryEncoding => 'UTF-8');
+use MARC::Charset;
+
+MARC::Charset->assume_unicode(1);
+
+my $xml = shift;
+
+eval {
+ my $r = MARC::Record->new_from_xml( $xml );
+ my $output_xml = $r->as_xml_record();
+};
+if ($@) {
+ return 0;
+} else {
+ return 1;
+}
+
+$func$ LANGUAGE PLPERLU;
+COMMENT ON FUNCTION migration_tools.marc_parses(TEXT) IS 'Return boolean indicating if MARCXML string is parseable by MARC::File::XML';
+
+CREATE OR REPLACE FUNCTION migration_tools.merge_marc_fields( TEXT, TEXT, TEXT[] ) RETURNS TEXT AS $func$
+
+use strict;
+use warnings;
+
+use MARC::Record;
+use MARC::File::XML (BinaryEncoding => 'UTF-8');
+use MARC::Charset;
+
+MARC::Charset->assume_unicode(1);
+
+my $target_xml = shift;
+my $source_xml = shift;
+my $tags = shift;
+
+my $target;
+my $source;
+
+eval { $target = MARC::Record->new_from_xml( $target_xml ); };
+if ($@) {
+ return;
+}
+eval { $source = MARC::Record->new_from_xml( $source_xml ); };
+if ($@) {
+ return;
+}
+
+my $source_id = $source->subfield('901', 'c');
+$source_id = $source->subfield('903', 'a') unless $source_id;
+my $target_id = $target->subfield('901', 'c');
+$target_id = $target->subfield('903', 'a') unless $target_id;
+
+my %existing_fields;
+foreach my $tag (@$tags) {
+ my %existing_fields = map { $_->as_formatted() => 1 } $target->field($tag);
+ my @to_add = grep { not exists $existing_fields{$_->as_formatted()} } $source->field($tag);
+ $target->insert_fields_ordered(map { $_->clone() } @to_add);
+ if (@to_add) {
+ elog(NOTICE, "Merged $tag tag(s) from $source_id to $target_id");
+ }
+}
+
+my $xml = $target->as_xml_record;
+$xml =~ s/^<\?.+?\?>$//mo;
+$xml =~ s/\n//sgo;
+$xml =~ s/>\s+</></sgo;
+
+return $xml;
+
+$func$ LANGUAGE PLPERLU;
+COMMENT ON FUNCTION migration_tools.merge_marc_fields( TEXT, TEXT, TEXT[] ) IS 'Given two MARCXML strings and an array of tags, returns MARCXML representing the merge of the specified fields from the second MARCXML record into the first.';
+
+CREATE OR REPLACE FUNCTION migration_tools.make_stub_bib (text[], text[]) RETURNS TEXT AS $func$
+
+use strict;
+use warnings;
+
+use MARC::Record;
+use MARC::File::XML (BinaryEncoding => 'UTF-8');
+use Text::CSV;
+
+my $in_tags = shift;
+my $in_values = shift;
+
+# hack-and-slash parsing of array-passed-as-string;
+# this can go away once everybody is running Postgres 9.1+
+my $csv = Text::CSV->new({binary => 1});
+$in_tags =~ s/^{//;
+$in_tags =~ s/}$//;
+my $status = $csv->parse($in_tags);
+my $tags = [ $csv->fields() ];
+$in_values =~ s/^{//;
+$in_values =~ s/}$//;
+$status = $csv->parse($in_values);
+my $values = [ $csv->fields() ];
+
+my $marc = MARC::Record->new();
+
+$marc->leader('00000nam a22000007 4500');
+$marc->append_fields(MARC::Field->new('008', '000000s 000 eng d'));
+
+foreach my $i (0..$#$tags) {
+ my ($tag, $sf);
+ if ($tags->[$i] =~ /^(\d{3})([0-9a-z])$/) {
+ $tag = $1;
+ $sf = $2;
+ $marc->append_fields(MARC::Field->new($tag, ' ', ' ', $sf => $values->[$i])) if $values->[$i] !~ /^\s*$/ and $values->[$i] ne 'NULL';
+ } elsif ($tags->[$i] =~ /^(\d{3})$/) {
+ $tag = $1;
+ $marc->append_fields(MARC::Field->new($tag, $values->[$i])) if $values->[$i] !~ /^\s*$/ and $values->[$i] ne 'NULL';
+ }
+}
+
+my $xml = $marc->as_xml_record;
+$xml =~ s/^<\?.+?\?>$//mo;
+$xml =~ s/\n//sgo;
+$xml =~ s/>\s+</></sgo;
+
+return $xml;
+
+$func$ LANGUAGE PLPERLU;
+COMMENT ON FUNCTION migration_tools.make_stub_bib (text[], text[]) IS $$Simple function to create a stub MARCXML bib from a set of columns.
+The first argument is an array of tag/subfield specifiers, e.g., ARRAY['001', '245a', '500a'].
+The second argument is an array of text containing the values to plug into each field.
+If the value for a given field is NULL or the empty string, it is not inserted.
+$$;
+
+CREATE OR REPLACE FUNCTION migration_tools.make_stub_bib (text[], text[], text[], text[]) RETURNS TEXT AS $func$
+
+use strict;
+use warnings;
+
+use MARC::Record;
+use MARC::File::XML (BinaryEncoding => 'UTF-8');
+use Text::CSV;
+
+my $in_tags = shift;
+my $in_ind1 = shift;
+my $in_ind2 = shift;
+my $in_values = shift;
+
+# hack-and-slash parsing of array-passed-as-string;
+# this can go away once everybody is running Postgres 9.1+
+my $csv = Text::CSV->new({binary => 1});
+$in_tags =~ s/^{//;
+$in_tags =~ s/}$//;
+my $status = $csv->parse($in_tags);
+my $tags = [ $csv->fields() ];
+$in_ind1 =~ s/^{//;
+$in_ind1 =~ s/}$//;
+$status = $csv->parse($in_ind1);
+my $ind1s = [ $csv->fields() ];
+$in_ind2 =~ s/^{//;
+$in_ind2 =~ s/}$//;
+$status = $csv->parse($in_ind2);
+my $ind2s = [ $csv->fields() ];
+$in_values =~ s/^{//;
+$in_values =~ s/}$//;
+$status = $csv->parse($in_values);
+my $values = [ $csv->fields() ];
+
+my $marc = MARC::Record->new();
+
+$marc->leader('00000nam a22000007 4500');
+$marc->append_fields(MARC::Field->new('008', '000000s 000 eng d'));
+
+foreach my $i (0..$#$tags) {
+ my ($tag, $sf);
+ if ($tags->[$i] =~ /^(\d{3})([0-9a-z])$/) {
+ $tag = $1;
+ $sf = $2;
+ $marc->append_fields(MARC::Field->new($tag, $ind1s->[$i], $ind2s->[$i], $sf => $values->[$i])) if $values->[$i] !~ /^\s*$/ and $values->[$i] ne 'NULL';
+ } elsif ($tags->[$i] =~ /^(\d{3})$/) {
+ $tag = $1;
+ $marc->append_fields(MARC::Field->new($tag, $values->[$i])) if $values->[$i] !~ /^\s*$/ and $values->[$i] ne 'NULL';
+ }
+}
+
+my $xml = $marc->as_xml_record;
+$xml =~ s/^<\?.+?\?>$//mo;
+$xml =~ s/\n//sgo;
+$xml =~ s/>\s+</></sgo;
+
+return $xml;
+
+$func$ LANGUAGE PLPERLU;
+COMMENT ON FUNCTION migration_tools.make_stub_bib (text[], text[], text[], text[]) IS $$Simple function to create a stub MARCXML bib from a set of columns.
+The first argument is an array of tag/subfield specifiers, e.g., ARRAY['001', '245a', '500a'].
+The second argument is an array of text containing the values to plug into indicator 1 for each field.
+The third argument is an array of text containing the values to plug into indicator 2 for each field.
+The fourth argument is an array of text containing the values to plug into each field.
+If the value for a given field is NULL or the empty string, it is not inserted.
+$$;
+
+CREATE OR REPLACE FUNCTION migration_tools.set_indicator (TEXT, TEXT, INTEGER, CHAR(1)) RETURNS TEXT AS $func$
+
+my ($marcxml, $tag, $pos, $value) = @_;
+
+use MARC::Record;
+use MARC::File::XML (BinaryEncoding => 'UTF-8');
+use MARC::Charset;
+use strict;
+
+MARC::Charset->assume_unicode(1);
+
+elog(ERROR, 'indicator position must be either 1 or 2') unless $pos =~ /^[12]$/;
+elog(ERROR, 'MARC tag must be numeric') unless $tag =~ /^\d{3}$/;
+elog(ERROR, 'MARC tag must not be control field') if $tag =~ /^00/;
+elog(ERROR, 'Value must be exactly one character') unless $value =~ /^.$/;
+
+my $xml = $marcxml;
+eval {
+ my $marc = MARC::Record->new_from_xml($marcxml, 'UTF-8');
+
+ foreach my $field ($marc->field($tag)) {
+ $field->update("ind$pos" => $value);
+ }
+ $xml = $marc->as_xml_record;
+ $xml =~ s/^<\?.+?\?>$//mo;
+ $xml =~ s/\n//sgo;
+ $xml =~ s/>\s+</></sgo;
+};
+return $xml;
+
+$func$ LANGUAGE PLPERLU;
+
+COMMENT ON FUNCTION migration_tools.set_indicator(TEXT, TEXT, INTEGER, CHAR(1)) IS $$Set indicator value of a specified MARC field.
+The first argument is a MARCXML string.
+The second argument is a MARC tag.
+The third argument is the indicator position, either 1 or 2.
+The fourth argument is the character to set the indicator value to.
+All occurences of the specified field will be changed.
+The function returns the revised MARCXML string.$$;
+
+CREATE OR REPLACE FUNCTION migration_tools.create_staff_user(
+ username TEXT,
+ password TEXT,
+ org TEXT,
+ perm_group TEXT,
+ first_name TEXT DEFAULT '',
+ last_name TEXT DEFAULT ''
+) RETURNS VOID AS $func$
+BEGIN
+ RAISE NOTICE '%', org ;
+ INSERT INTO actor.usr (usrname, passwd, ident_type, first_given_name, family_name, home_ou, profile)
+ SELECT username, password, 1, first_name, last_name, aou.id, pgt.id
+ FROM actor.org_unit aou, permission.grp_tree pgt
+ WHERE aou.shortname = org
+ AND pgt.name = perm_group;
+END
+$func$
+LANGUAGE PLPGSQL;
+
+CREATE OR REPLACE FUNCTION migration_tools.get_marc_leader (TEXT) RETURNS TEXT AS $$
+ my ($marcxml) = @_;
+
+ use MARC::Record;
+ use MARC::File::XML;
+ use MARC::Field;
+
+ my $field;
+ eval {
+ my $marc = MARC::Record->new_from_xml($marcxml, 'UTF-8');
+ $field = $marc->leader();
+ };
+ return $field;
+$$ LANGUAGE PLPERLU STABLE;
+
+CREATE OR REPLACE FUNCTION migration_tools.get_marc_tag (TEXT, TEXT, TEXT, TEXT) RETURNS TEXT AS $$
+ my ($marcxml, $tag, $subfield, $delimiter) = @_;
+
+ use MARC::Record;
+ use MARC::File::XML;
+ use MARC::Field;
+
+ my $field;
+ eval {
+ my $marc = MARC::Record->new_from_xml($marcxml, 'UTF-8');
+ $field = $marc->field($tag);
+ };
+ return $field->as_string($subfield,$delimiter) if $field;
+ return;
+$$ LANGUAGE PLPERLU STABLE;
+
+CREATE OR REPLACE FUNCTION migration_tools.get_marc_tags (TEXT, TEXT, TEXT, TEXT) RETURNS TEXT[] AS $$
+ my ($marcxml, $tag, $subfield, $delimiter) = @_;
+
+ use MARC::Record;
+ use MARC::File::XML;
+ use MARC::Field;
+
+ my @fields;
+ eval {
+ my $marc = MARC::Record->new_from_xml($marcxml, 'UTF-8');
+ @fields = $marc->field($tag);
+ };
+ my @texts;
+ foreach my $field (@fields) {
+ push @texts, $field->as_string($subfield,$delimiter);
+ }
+ return \@texts;
+$$ LANGUAGE PLPERLU STABLE;
+
+CREATE OR REPLACE FUNCTION migration_tools.get_marc_tags_filtered (TEXT, TEXT, TEXT, TEXT, TEXT) RETURNS TEXT[] AS $$
+ my ($marcxml, $tag, $subfield, $delimiter, $match) = @_;
+
+ use MARC::Record;
+ use MARC::File::XML;
+ use MARC::Field;
+
+ my @fields;
+ eval {
+ my $marc = MARC::Record->new_from_xml($marcxml, 'UTF-8');
+ @fields = $marc->field($tag);
+ };
+ my @texts;
+ foreach my $field (@fields) {
+ if ($field->as_string() =~ qr/$match/) {
+ push @texts, $field->as_string($subfield,$delimiter);
+ }
+ }
+ return \@texts;
+$$ LANGUAGE PLPERLU STABLE;
+
+DROP FUNCTION IF EXISTS migration_tools.munge_sf9(INTEGER,TEXT,TEXT);
+CREATE OR REPLACE FUNCTION migration_tools.merge_sf9(bib_id INTEGER,new_sf9 TEXT,force TEXT DEFAULT 'false')
+ RETURNS BOOLEAN AS
+$BODY$
+DECLARE
+ marc_xml TEXT;
+ new_marc TEXT;
+BEGIN
+ SELECT marc FROM biblio.record_entry WHERE id = bib_id INTO marc_xml;
+
+ SELECT munge_sf9(marc_xml,new_sf9,force) INTO new_marc;
+ UPDATE biblio.record_entry SET marc = new_marc WHERE id = bib_id;
+
+ RETURN true;
+END;
+$BODY$ LANGUAGE plpgsql;
+
+DROP FUNCTION IF EXISTS migration_tools.munge_sf9(TEXT,TEXT,TEXT);
+CREATE OR REPLACE FUNCTION migration_tools.munge_sf9(marc_xml TEXT, new_9_to_set TEXT, force TEXT)
+ RETURNS TEXT
+ LANGUAGE plperlu
+AS $function$
+use strict;
+use warnings;
+
+use MARC::Record;
+use MARC::File::XML (BinaryEncoding => 'utf8');
+
+binmode(STDERR, ':bytes');
+binmode(STDOUT, ':utf8');
+binmode(STDERR, ':utf8');
+
+my $marc_xml = shift;
+my $new_9_to_set = shift;
+my $force = shift;
+
+$marc_xml =~ s/(<leader>.........)./${1}a/;
+
+eval {
+ $marc_xml = MARC::Record->new_from_xml($marc_xml);
+};
+if ($@) {
+ #elog("could not parse $bibid: $@\n");
+ import MARC::File::XML (BinaryEncoding => 'utf8');
+ return $marc_xml;
+}
+
+my @uris = $marc_xml->field('856');
+return $marc_xml->as_xml_record() unless @uris;
+
+foreach my $field (@uris) {
+ my $ind1 = $field->indicator('1');
+ if (!defined $ind1) { next; }
+ if ($ind1 ne '1' && $ind1 ne '4' && $force eq 'false') { next; }
+ if ($ind1 ne '1' && $ind1 ne '4' && $force eq 'true') { $field->set_indicator(1,'4'); }
+ my $ind2 = $field->indicator('2');
+ if (!defined $ind2) { next; }
+ if ($ind2 ne '0' && $ind2 ne '1' && $force eq 'false') { next; }
+ if ($ind2 ne '0' && $ind2 ne '1' && $force eq 'true') { $field->set_indicator(2,'0'); }
+ $field->add_subfields( '9' => $new_9_to_set );
+}
+
+return $marc_xml->as_xml_record();
+
+$function$;
+
+DROP FUNCTION IF EXISTS migration_tools.munge_sf9_qualifying_match(TEXT,TEXT,TEXT);
+CREATE OR REPLACE FUNCTION migration_tools.munge_sf9_qualifying_match(marc_xml TEXT, qualifying_match TEXT, new_9_to_set TEXT, force TEXT)
+ RETURNS TEXT
+ LANGUAGE plperlu
+AS $function$
+use strict;
+use warnings;
+
+use MARC::Record;
+use MARC::File::XML (BinaryEncoding => 'utf8');
+
+binmode(STDERR, ':bytes');
+binmode(STDOUT, ':utf8');
+binmode(STDERR, ':utf8');
+
+my $marc_xml = shift;
+my $qualifying_match = shift;
+my $new_9_to_set = shift;
+my $force = shift;
+
+$marc_xml =~ s/(<leader>.........)./${1}a/;
+
+eval {
+ $marc_xml = MARC::Record->new_from_xml($marc_xml);
+};
+if ($@) {
+ #elog("could not parse $bibid: $@\n");
+ import MARC::File::XML (BinaryEncoding => 'utf8');
+ return $marc_xml;
+}
+
+my @uris = $marc_xml->field('856');
+return $marc_xml->as_xml_record() unless @uris;
+
+foreach my $field (@uris) {
+ if ($field->as_string() =~ qr/$qualifying_match/) {
+ my $ind1 = $field->indicator('1');
+ if (!defined $ind1) { next; }
+ if ($ind1 ne '1' && $ind1 ne '4' && $force eq 'false') { next; }
+ if ($ind1 ne '1' && $ind1 ne '4' && $force eq 'true') { $field->set_indicator(1,'4'); }
+ my $ind2 = $field->indicator('2');
+ if (!defined $ind2) { next; }
+ if ($ind2 ne '0' && $ind2 ne '1' && $force eq 'false') { next; }
+ if ($ind2 ne '0' && $ind2 ne '1' && $force eq 'true') { $field->set_indicator(2,'0'); }
+ $field->add_subfields( '9' => $new_9_to_set );
+ }
+}
+
+return $marc_xml->as_xml_record();
+
+$function$;
+
+DROP FUNCTION IF EXISTS migration_tools.owner_change_sf9_substring_match(TEXT,TEXT,TEXT,TEXT);
+CREATE OR REPLACE FUNCTION migration_tools.owner_change_sf9_substring_match (marc_xml TEXT, substring_old_value TEXT, new_value TEXT, fix_indicators TEXT)
+ RETURNS TEXT
+ LANGUAGE plperlu
+AS $function$
+use strict;
+use warnings;
+
+use MARC::Record;
+use MARC::File::XML (BinaryEncoding => 'utf8');
+
+binmode(STDERR, ':bytes');
+binmode(STDOUT, ':utf8');
+binmode(STDERR, ':utf8');
+
+my $marc_xml = shift;
+my $substring_old_value = shift;
+my $new_value = shift;
+my $fix_indicators = shift;
+
+$marc_xml =~ s/(<leader>.........)./${1}a/;
+
+eval {
+ $marc_xml = MARC::Record->new_from_xml($marc_xml);
+};
+if ($@) {
+ #elog("could not parse $bibid: $@\n");
+ import MARC::File::XML (BinaryEncoding => 'utf8');
+ return $marc_xml;
+}
+
+my @uris = $marc_xml->field('856');
+return $marc_xml->as_xml_record() unless @uris;
+
+foreach my $field (@uris) {
+ my $ind1 = $field->indicator('1');
+ if (defined $ind1) {
+ if ($ind1 ne '1' && $ind1 ne '4' && $fix_indicators eq 'true') {
+ $field->set_indicator(1,'4');
+ }
+ }
+ my $ind2 = $field->indicator('2');
+ if (defined $ind2) {
+ if ($ind2 ne '0' && $ind2 ne '1' && $fix_indicators eq 'true') {
+ $field->set_indicator(2,'0');
+ }
+ }
+ if ($field->as_string('9') =~ qr/$substring_old_value/) {
+ $field->delete_subfield('9');
+ $field->add_subfields( '9' => $new_value );
+ }
+ $marc_xml->delete_field($field); # -- we're going to dedup and add them back
+}
+
+my %hash = (map { ($_->as_usmarc => $_) } @uris); # -- courtesy of an old Mike Rylander post :-)
+$marc_xml->insert_fields_ordered( values( %hash ) );
+
+return $marc_xml->as_xml_record();
+
+$function$;
+
+DROP FUNCTION IF EXISTS migration_tools.owner_change_sf9_substring_match2(TEXT,TEXT,TEXT,TEXT,TEXT);
+CREATE OR REPLACE FUNCTION migration_tools.owner_change_sf9_substring_match2 (marc_xml TEXT, qualifying_match TEXT, substring_old_value TEXT, new_value TEXT, fix_indicators TEXT)
+ RETURNS TEXT
+ LANGUAGE plperlu
+AS $function$
+use strict;
+use warnings;
+
+use MARC::Record;
+use MARC::File::XML (BinaryEncoding => 'utf8');
+
+binmode(STDERR, ':bytes');
+binmode(STDOUT, ':utf8');
+binmode(STDERR, ':utf8');
+
+my $marc_xml = shift;
+my $qualifying_match = shift;
+my $substring_old_value = shift;
+my $new_value = shift;
+my $fix_indicators = shift;
+
+$marc_xml =~ s/(<leader>.........)./${1}a/;
+
+eval {
+ $marc_xml = MARC::Record->new_from_xml($marc_xml);
+};
+if ($@) {
+ #elog("could not parse $bibid: $@\n");
+ import MARC::File::XML (BinaryEncoding => 'utf8');
+ return $marc_xml;
+}
+
+my @unqualified_uris = $marc_xml->field('856');
+my @uris = ();
+foreach my $field (@unqualified_uris) {
+ if ($field->as_string() =~ qr/$qualifying_match/) {
+ push @uris, $field;
+ }
+}
+return $marc_xml->as_xml_record() unless @uris;
+
+foreach my $field (@uris) {
+ my $ind1 = $field->indicator('1');
+ if (defined $ind1) {
+ if ($ind1 ne '1' && $ind1 ne '4' && $fix_indicators eq 'true') {
+ $field->set_indicator(1,'4');
+ }
+ }
+ my $ind2 = $field->indicator('2');
+ if (defined $ind2) {
+ if ($ind2 ne '0' && $ind2 ne '1' && $fix_indicators eq 'true') {
+ $field->set_indicator(2,'0');
+ }
+ }
+ if ($field->as_string('9') =~ qr/$substring_old_value/) {
+ $field->delete_subfield('9');
+ $field->add_subfields( '9' => $new_value );
+ }
+ $marc_xml->delete_field($field); # -- we're going to dedup and add them back
+}
+
+my %hash = (map { ($_->as_usmarc => $_) } @uris); # -- courtesy of an old Mike Rylander post :-)
+$marc_xml->insert_fields_ordered( values( %hash ) );
+
+return $marc_xml->as_xml_record();
+
+$function$;
+
+-- strip marc tag
+DROP FUNCTION IF EXISTS migration_tools.strip_tag(TEXT,TEXT);
+CREATE OR REPLACE FUNCTION migration_tools.strip_tag(marc TEXT, tag TEXT)
+ RETURNS TEXT
+ LANGUAGE plperlu
+AS $function$
+use strict;
+use warnings;
+
+use MARC::Record;
+use MARC::File::XML (BinaryEncoding => 'utf8');
+
+binmode(STDERR, ':bytes');
+binmode(STDOUT, ':utf8');
+binmode(STDERR, ':utf8');
+
+my $marc_xml = shift;
+my $tag = shift;
+
+$marc_xml =~ s/(<leader>.........)./${1}a/;
+
+eval {
+ $marc_xml = MARC::Record->new_from_xml($marc_xml);
+};
+if ($@) {
+ #elog("could not parse $bibid: $@\n");
+ import MARC::File::XML (BinaryEncoding => 'utf8');
+ return $marc_xml;
+}
+
+my @fields = $marc_xml->field($tag);
+return $marc_xml->as_xml_record() unless @fields;
+
+$marc_xml->delete_fields(@fields);
+
+return $marc_xml->as_xml_record();
+
+$function$;
+
+-- removes tags from record based on tag, subfield and evidence
+-- example: strip_tag(marc, '500', 'a', 'gift') will remove 500s with 'gift' as a part of the $a
+DROP FUNCTION IF EXISTS migration_tools.strip_tag(TEXT,TEXT,TEXT,TEXT);
+CREATE OR REPLACE FUNCTION migration_tools.strip_tag(marc TEXT, tag TEXT, subfield TEXT, evidence TEXT)
+ RETURNS TEXT
+ LANGUAGE plperlu
+AS $function$
+use strict;
+use warnings;
+
+use MARC::Record;
+use MARC::File::XML (BinaryEncoding => 'utf8');
+
+binmode(STDERR, ':bytes');
+binmode(STDOUT, ':utf8');
+binmode(STDERR, ':utf8');
+
+my $marc_xml = shift;
+my $tag = shift;
+my $subfield = shift;
+my $evidence = shift;
+
+$marc_xml =~ s/(<leader>.........)./${1}a/;
+
+eval {
+ $marc_xml = MARC::Record->new_from_xml($marc_xml);
+};
+if ($@) {
+ #elog("could not parse $bibid: $@\n");
+ import MARC::File::XML (BinaryEncoding => 'utf8');
+ return $marc_xml;
+}
+
+my @fields = $marc_xml->field($tag);
+return $marc_xml->as_xml_record() unless @fields;
+
+my @fields_to_delete;
+
+foreach my $f (@fields) {
+ my $sf = lc($f->as_string($subfield));
+ if ($sf =~ m/$evidence/) { push @fields_to_delete, $f; }
+}
+
+$marc_xml->delete_fields(@fields_to_delete);
+
+return $marc_xml->as_xml_record();
+
+$function$;
+
+-- consolidate marc tag
+DROP FUNCTION IF EXISTS migration_tools.consolidate_tag(TEXT,TEXT);
+CREATE OR REPLACE FUNCTION migration_tools.consolidate_tag(marc TEXT, tag TEXT)
+ RETURNS TEXT
+ LANGUAGE plperlu
+AS $function$
+use strict;
+use warnings;
+
+use MARC::Record;
+use MARC::File::XML (BinaryEncoding => 'utf8');
+
+binmode(STDERR, ':bytes');
+binmode(STDOUT, ':utf8');
+binmode(STDERR, ':utf8');
+
+my $marc_xml = shift;
+my $tag = shift;
+
+$marc_xml =~ s/(<leader>.........)./${1}a/;
+
+eval {
+ $marc_xml = MARC::Record->new_from_xml($marc_xml);
+};
+if ($@) {
+ #elog("could not parse $bibid: $@\n");
+ import MARC::File::XML (BinaryEncoding => 'utf8');
+ return $marc_xml;
+}
+
+my @fields = $marc_xml->field($tag);
+return $marc_xml->as_xml_record() unless @fields;
+
+my @combined_subfield_refs = ();
+my @combined_subfields = ();
+foreach my $field (@fields) {
+ my @subfield_refs = $field->subfields();
+ push @combined_subfield_refs, @subfield_refs;
+}
+
+my @sorted_subfield_refs = reverse sort { $a->[0] <=> $b->[0] } @combined_subfield_refs;
+
+while ( my $tuple = pop( @sorted_subfield_refs ) ) {
+ my ($code,$data) = @$tuple;
+ unshift( @combined_subfields, $code, $data );
+}
+
+$marc_xml->delete_fields(@fields);
+
+my $new_field = new MARC::Field(
+ $tag,
+ $fields[0]->indicator(1),
+ $fields[0]->indicator(2),
+ @combined_subfields
+);
+
+$marc_xml->insert_grouped_field( $new_field );
+
+return $marc_xml->as_xml_record();
+
+$function$;
+
+
projects / migration-tools.git / blobdiff