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