Add procedure stockproduct_create (#340)

* Add procedure stockproduct_create

* Replace tabs with spaces

* Set visible end browsable default = 0

migrations/000.999.sql

@@ -0,0 +1,30 @@
+-- PROCEDURE: public.stockproduct_create(text, text, text, integer, integer, integer, integer)
+
+DROP PROCEDURE IF EXISTS public.stockproduct_create;
+
+CREATE OR REPLACE PROCEDURE public.stockproduct_create(
+    _article_number text,
+    _name text,
+    _path text,
+    _visible integer DEFAULT 0,
+    _browsable integer DEFAULT 0,
+    INOUT _product_id integer DEFAULT NULL::integer,
+    INOUT _stock_id integer DEFAULT NULL::integer)
+LANGUAGE 'plpgsql'
+AS $BODY$
+
+BEGIN
+    INSERT INTO "product-products" (path, visible, browsable)
+    VALUES (_path, _visible, _browsable)
+    RETURNING productid INTO _product_id;
+
+    INSERT INTO "product-products_fields" (productid, fieldid, value)
+    VALUES
+        (_product_id, 1, _article_number),
+        (_product_id, 2, _name);
+
+    INSERT INTO stockproducts (product_id, name, in_stock)
+    VALUES (_product_id, _name, true)
+    RETURNING id INTO _stock_id;
+END;
+$BODY$;