xssbook2/db/rest/comment/api_comment_insert.sql

56 lines
964 B
PL/PgSQL

CREATE FUNCTION _api.comment_insert()
RETURNS TRIGGER
LANGUAGE plpgsql VOLATILE
AS $BODY$
DECLARE
_user_id INTEGER;
BEGIN
_user_id = _api.get_user_id();
NEW.content := _api.trim(NEW.content);
PERFORM _api.validate_text(
_text => NEW.content,
_column => 'content',
_min => 1,
_max => 1024
);
PERFORM TRUE
FROM admin.post
WHERE id = NEW.post_id;
IF NOT FOUND THEN
PERFORM _api.raise(
_msg => 'api_null_post',
_err => 400
);
END IF;
INSERT INTO admin.comment (
user_id,
post_id,
content
) VALUES (
_user_id,
NEW.post_id,
NEW.content
);
RETURN NEW;
END
$BODY$;
GRANT EXECUTE ON FUNCTION _api.comment_insert()
TO rest_user;
GRANT INSERT ON TABLE api.comment
TO rest_user;
GRANT INSERT ON TABLE admin.comment
TO rest_user;
GRANT UPDATE ON TABLE sys.comment_id_seq
TO rest_user;
CREATE TRIGGER api_comment_insert_trgr
INSTEAD OF INSERT
ON api.comment
FOR EACH ROW
EXECUTE PROCEDURE _api.comment_insert();