Auto-generation of placeholder barcodes

This commit implements a very basic trigger for auto-generating placeholder barcodes, as discussed at the Dec. 14 2010 IRC developer meeting.  The 1.6.1-2.0 upgrade script has not been changed, as backporting this to 2.0 is pending review.

git-svn-id: svn://svn.open-ils.org/ILS/trunk@19189 dcc99617-32d9-48b4-a31d-7c20da2025e4

diff --git a/Open-ILS/src/sql/Pg/002.schema.config.sql b/Open-ILS/src/sql/Pg/002.schema.config.sql
index ec1b957..382bb06 100644 (file)
--- a/Open-ILS/src/sql/Pg/002.schema.config.sql
+++ b/Open-ILS/src/sql/Pg/002.schema.config.sql
@@ -70,7 +70,7 @@ CREATE TABLE config.upgrade_log (
     install_date    TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW()
 );
 
-INSERT INTO config.upgrade_log (version) VALUES ('0474'); -- miker
+INSERT INTO config.upgrade_log (version) VALUES ('0475'); -- dbwells
 
 CREATE TABLE config.bib_source (
        id              SERIAL  PRIMARY KEY,

diff --git a/Open-ILS/src/sql/Pg/040.schema.asset.sql b/Open-ILS/src/sql/Pg/040.schema.asset.sql
index 982e267..623b7f1 100644 (file)
--- a/Open-ILS/src/sql/Pg/040.schema.asset.sql
+++ b/Open-ILS/src/sql/Pg/040.schema.asset.sql
@@ -682,5 +682,18 @@ BEGIN
 END;
 $f$ LANGUAGE PLPGSQL;
 
+CREATE OR REPLACE FUNCTION asset.autogenerate_placeholder_barcode ( ) RETURNS TRIGGER AS $f$
+BEGIN
+       IF NEW.barcode LIKE '@@%' THEN
+               NEW.barcode := '@@' || NEW.id;
+       END IF;
+       RETURN NEW;
+END;
+$f$ LANGUAGE PLPGSQL;
+
+CREATE TRIGGER autogenerate_placeholder_barcode
+       BEFORE INSERT OR UPDATE ON asset.copy
+       FOR EACH ROW EXECUTE PROCEDURE asset.autogenerate_placeholder_barcode();
+
 COMMIT;
 

diff --git a/Open-ILS/src/sql/Pg/upgrade/0475.schema.auto-placeholder-barcodes.sql b/Open-ILS/src/sql/Pg/upgrade/0475.schema.auto-placeholder-barcodes.sql
new file mode 100644 (file)
index 0000000..baace2a
--- /dev/null
+++ b/Open-ILS/src/sql/Pg/upgrade/0475.schema.auto-placeholder-barcodes.sql
@@ -0,0 +1,18 @@
+BEGIN;
+
+INSERT INTO config.upgrade_log (version) VALUES ('0475'); -- dbwells
+
+CREATE OR REPLACE FUNCTION asset.autogenerate_placeholder_barcode ( ) RETURNS TRIGGER AS $f$
+BEGIN
+       IF NEW.barcode LIKE '@@%' THEN
+               NEW.barcode := '@@' || NEW.id;
+       END IF;
+       RETURN NEW;
+END;
+$f$ LANGUAGE PLPGSQL;
+
+CREATE TRIGGER autogenerate_placeholder_barcode
+       BEFORE INSERT OR UPDATE ON asset.copy
+       FOR EACH ROW EXECUTE PROCEDURE asset.autogenerate_placeholder_barcode();
+
+COMMIT;