cleaning up functions duplicated in 01-marc.sql

[migration-tools.git] / sql / base / 01-marc.sql

diff --git a/sql/base/01-marc.sql b/sql/base/01-marc.sql
index 89984b1..3ee78bd 100644 (file)
--- a/sql/base/01-marc.sql
+++ b/sql/base/01-marc.sql
@@ -1,3 +1,82 @@
+CREATE OR REPLACE FUNCTION migration_tools.set_leader (TEXT, INT, TEXT) RETURNS TEXT AS $$
+  my ($marcxml, $pos, $value) = @_;
+
+  use MARC::Record;
+  use MARC::File::XML;
+
+  my $xml = $marcxml;
+  eval {
+    my $marc = MARC::Record->new_from_xml($marcxml, 'UTF-8');
+    my $leader = $marc->leader();
+    substr($leader, $pos, 1) = $value;
+    $marc->leader($leader);
+    $xml = $marc->as_xml_record;
+    $xml =~ s/^<\?.+?\?>$//mo;
+    $xml =~ s/\n//sgo;
+    $xml =~ s/>\s+</></sgo;
+  };
+  return $xml;
+$$ LANGUAGE PLPERLU STABLE;
+
+CREATE OR REPLACE FUNCTION migration_tools.set_008 (TEXT, INT, TEXT) RETURNS TEXT AS $$
+  my ($marcxml, $pos, $value) = @_;
+
+  use MARC::Record;
+  use MARC::File::XML;
+
+  my $xml = $marcxml;
+  eval {
+    my $marc = MARC::Record->new_from_xml($marcxml, 'UTF-8');
+    my $f008 = $marc->field('008');
+
+    if ($f008) {
+       my $field = $f008->data();
+       substr($field, $pos, 1) = $value;
+       $f008->update($field);
+       $xml = $marc->as_xml_record;
+       $xml =~ s/^<\?.+?\?>$//mo;
+       $xml =~ s/\n//sgo;
+       $xml =~ s/>\s+</></sgo;
+    }
+  };
+  return $xml;
+$$ LANGUAGE PLPERLU STABLE;
+
+CREATE OR REPLACE FUNCTION migration_tools.insert_tags (TEXT, TEXT) RETURNS TEXT AS $$
+
+  my ($marcxml, $tags) = @_;
+
+  use MARC::Record;
+  use MARC::File::XML;
+
+  my $xml = $marcxml;
+
+  eval {
+    my $marc = MARC::Record->new_from_xml($marcxml, 'UTF-8');
+    my $to_insert = MARC::Record->new_from_xml("<record>$tags</record>", 'UTF-8');
+
+    my @incumbents = ();
+
+    foreach my $field ( $marc->fields() ) {
+      push @incumbents, $field->as_formatted();
+    }
+
+    foreach $field ( $to_insert->fields() ) {
+      if (!grep {$_ eq $field->as_formatted()} @incumbents) {
+        $marc->insert_fields_ordered( ($field) );
+      }
+    }
+
+    $xml = $marc->as_xml_record;
+    $xml =~ s/^<\?.+?\?>$//mo;
+    $xml =~ s/\n//sgo;
+    $xml =~ s/>\s+</></sgo;
+  };
+
+  return $xml;
+
+$$ LANGUAGE PLPERLU STABLE;
+
 CREATE OR REPLACE FUNCTION migration_tools.marc_parses( TEXT ) RETURNS BOOLEAN AS $func$
 
 use MARC::Record;