Files
geMoldInsight/scripts/db/020_audit_trail.sql
T
2026-03-25 23:59:29 +08:00

66 lines
2.2 KiB
PL/PgSQL

CREATE TABLE IF NOT EXISTS audit_log (
id bigserial PRIMARY KEY,
table_name text NOT NULL,
op text NOT NULL,
pk jsonb,
old_data jsonb,
new_data jsonb,
actor_id bigint,
ip text,
ua text,
changed_at timestamptz NOT NULL DEFAULT now()
);
CREATE INDEX IF NOT EXISTS idx_audit_log_table_time ON audit_log (table_name, changed_at DESC);
CREATE OR REPLACE FUNCTION audit_row_change()
RETURNS trigger
LANGUAGE plpgsql
AS $$
DECLARE
v_actor_id bigint;
v_ip text;
v_ua text;
v_pk jsonb;
BEGIN
v_actor_id := NULLIF(current_setting('app.current_user_id', true), '')::bigint;
v_ip := NULLIF(current_setting('app.current_ip', true), '');
v_ua := NULLIF(current_setting('app.current_ua', true), '');
IF TG_OP = 'INSERT' THEN
v_pk := jsonb_build_object('id', NEW.id);
INSERT INTO audit_log(table_name, op, pk, old_data, new_data, actor_id, ip, ua)
VALUES (TG_TABLE_NAME, TG_OP, v_pk, NULL, to_jsonb(NEW), v_actor_id, v_ip, v_ua);
RETURN NEW;
ELSIF TG_OP = 'UPDATE' THEN
v_pk := jsonb_build_object('id', NEW.id);
INSERT INTO audit_log(table_name, op, pk, old_data, new_data, actor_id, ip, ua)
VALUES (TG_TABLE_NAME, TG_OP, v_pk, to_jsonb(OLD), to_jsonb(NEW), v_actor_id, v_ip, v_ua);
RETURN NEW;
ELSE
v_pk := jsonb_build_object('id', OLD.id);
INSERT INTO audit_log(table_name, op, pk, old_data, new_data, actor_id, ip, ua)
VALUES (TG_TABLE_NAME, TG_OP, v_pk, to_jsonb(OLD), NULL, v_actor_id, v_ip, v_ua);
RETURN OLD;
END IF;
END;
$$;
DROP TRIGGER IF EXISTS audit_sales_orders ON sales_orders;
CREATE TRIGGER audit_sales_orders
AFTER INSERT OR UPDATE OR DELETE ON sales_orders
FOR EACH ROW
EXECUTE FUNCTION audit_row_change();
DROP TRIGGER IF EXISTS audit_purchase_orders ON purchase_orders;
CREATE TRIGGER audit_purchase_orders
AFTER INSERT OR UPDATE OR DELETE ON purchase_orders
FOR EACH ROW
EXECUTE FUNCTION audit_row_change();
DROP TRIGGER IF EXISTS audit_stock_movements ON stock_movements;
CREATE TRIGGER audit_stock_movements
AFTER INSERT OR UPDATE OR DELETE ON stock_movements
FOR EACH ROW
EXECUTE FUNCTION audit_row_change();