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 *
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 *
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 * @package    core_completion
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 * @package    core_completion
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 * @copyright  2017 Mark Nelson <markn@moodle.com>
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 * @copyright  2017 Mark Nelson <markn@moodle.com>
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 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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 */
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 */
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class progress
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class progress {
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{
 - 
 
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    /**
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    /**
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     * Returns the course percentage completed by a certain user, returns null if no completion data is available.
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     * Returns the course percentage completed by a certain user, returns null if no completion data is available.
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     *
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     *
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     * @param \stdClass $course Moodle course object
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     * @param \stdClass $course Moodle course object
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     * @param int $userid The id of the user, 0 for the current user
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     * @param int $userid The id of the user, 0 for the current user
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     * @return null|float The percentage, or null if completion is not supported in the course,
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     * @return null|float The percentage, or null if completion is not supported in the course,
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     *         or there are no activities that support completion.
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     *         or there are no activities that support completion.
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     */
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     */
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    public static function get_course_progress_percentage($course, $userid = 0)
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    {
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    public static function get_course_progress_percentage($course, $userid = 0) {
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        global $USER;
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        global $USER;
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        // Make sure we continue with a valid userid.
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        // Make sure we continue with a valid userid.
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        if (!$count) {
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        if (!$count) {
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            return null;
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            return null;
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        }
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        }
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        // Get the number of modules that have been completed.
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        $completed = 0;
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        foreach ($modules as $module) {
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        // Get the number of modules that have been completed.
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            $data = $completion->get_data($module, true, $userid);
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            if (($data->completionstate == COMPLETION_INCOMPLETE) || ($data->completionstate == COMPLETION_COMPLETE_FAIL)) {
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                $completed += 0;
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            } else {
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                $completed += 1;
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            };
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        }
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        if ($count == 0) {
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            return 0;
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        $totalcompleted = $completion->count_modules_completed($userid);
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        }
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        return ($completed / $count) * 100;
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        return ($totalcompleted / $count) * 100;
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    }
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    }