CourseExtractor::class, 'query' => "SELECT f.id, f.contenthash, f.filepath, f.filename, f.filesize, f.mimetype, c.id course FROM mdl_files f INNER JOIN mdl_context ctx ON f.contextid = ctx.id INNER JOIN mdl_course c ON ctx.instanceid = c.id INNER JOIN mdl_course_sections cs ON (cs.course = c.id AND cs.id = f.itemid) WHERE f.component = 'course' AND f.filearea = 'section' AND ctx.contextlevel = 50 AND f.filename NOT IN ('.', '..') AND cs.section = 0 AND (cs.summary != '' AND cs.summary IS NOT NULL)" ]; } }