IO-1914 Added inventory page.

hasura/migrations/1654022042838_run_sql_migration/up.sql

@@ -0,0 +1,38 @@
+CREATE OR REPLACE FUNCTION public.search_inventory (search text)
+	RETURNS SETOF inventory
+	LANGUAGE plpgsql
+	STABLE
+	AS $function$
+BEGIN
+	IF search = '' THEN
+		RETURN query
+		SELECT
+			*
+		FROM
+			inventory;
+	ELSE
+		RETURN query
+		SELECT
+			*
+		FROM
+			inventory i,
+			billlines bl,
+			bills b,
+			vendors v
+		WHERE
+			i.billlineid = bl.id
+			AND bl.billid = b.id
+			AND b.vendorid = v.id
+			AND i.line_desc ILIKE '%' || search || '%'
+			OR b.invoice_number ILIKE '%' || search || '%'
+			OR v.name ILIKE '%' || search || '%'
+		ORDER BY
+			i.line_desc ILIKE '%' || search || '%'
+			OR NULL,
+			b.invoice_number ILIKE '%' || search || '%'
+			OR NULL,
+			v.name ILIKE '%' || search || '%'
+			OR NULL;
+	END IF;
+END
+$function$;