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. /** * Provides the {@link \core_analytics\stats} class. * * @package core_analytics * @copyright 2019 David Mudrák * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ namespace core_analytics; defined('MOODLE_INTERNAL') || die(); /** * Provides stats and meta information about the analytics usage on this site. * * @copyright 2019 David Mudrák * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ class stats { /** * Return the number of models enabled on this site. * * @return int */ public static function enabled_models() : int { return count(manager::get_all_models(true)); } /** * Return the number of predictions generated by the system. * * @return int */ public static function predictions() : int { global $DB; return $DB->count_records('analytics_predictions'); } /** * Return the number of suggested actions executed by users. * * @return int */ public static function actions() : int { global $DB; return $DB->count_records('analytics_prediction_actions'); } /** * Return the number of suggested actions flagged as not useful. * * @return int */ public static function actions_not_useful() : int { global $DB; // Simple version using core's TYPE_NEGATIVE actions. return $DB->count_records_select('analytics_prediction_actions', 'actionname = :notuseful OR actionname = :incorrectlyflagged', ['notuseful' => prediction::ACTION_NOT_USEFUL, 'incorrectlyflagged' => prediction::ACTION_INCORRECTLY_FLAGGED]); } }