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MDL-57643 mod_lesson: New WS mod_lesson_get_access_information
This commit is contained in:
Juan Leyva
parent
37029e468f
commit
630f0e3bce
@ -209,4 +209,211 @@ class mod_lesson_external extends external_api {
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)
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);
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}
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/**
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* Utility function for validating a lesson.
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*
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* @param int $lessonid lesson instance id
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* @return array array containing the lesson, course, context and course module objects
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* @since Moodle 3.3
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*/
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protected static function validate_lesson($lessonid) {
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global $DB, $USER;
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// Request and permission validation.
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$lesson = $DB->get_record('lesson', array('id' => $lessonid), '*', MUST_EXIST);
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list($course, $cm) = get_course_and_cm_from_instance($lesson, 'lesson');
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$lesson = new lesson($lesson, $cm);
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$lesson->update_effective_access($USER->id);
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$context = $lesson->context;
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self::validate_context($context);
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return array($lesson, $course, $cm, $context);
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}
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/**
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* Validates a new attempt.
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*
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* @param lesson $lesson lesson instance
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* @param array $params request parameters
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* @param boolean $return whether to return the errors or throw exceptions
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* @return array the errors (if return set to true)
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* @since Moodle 3.3
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*/
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protected static function validate_attempt(lesson $lesson, $params, $return = false) {
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global $USER;
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$errors = array();
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// Avoid checkings for managers.
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if ($lesson->can_manage()) {
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return [];
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}
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// Dead line.
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if ($timerestriction = $lesson->get_time_restriction_status()) {
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$error = ["$timerestriction->reason" => userdate($timerestriction->time)];
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if (!$return) {
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throw new moodle_exception(key($error), 'lesson', '', current($error));
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}
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$errors[key($error)] = current($error);
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}
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// Password protected lesson code.
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if ($passwordrestriction = $lesson->get_password_restriction_status($params['password'])) {
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$error = ["passwordprotectedlesson" => external_format_string($lesson->name, $lesson->context->id)];
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if (!$return) {
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throw new moodle_exception(key($error), 'lesson', '', current($error));
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}
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$errors[key($error)] = current($error);
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}
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// Check for dependencies.
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if ($dependenciesrestriction = $lesson->get_dependencies_restriction_status()) {
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$errorhtmllist = implode(get_string('and', 'lesson') . ', ', $dependenciesrestriction->errors);
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$error = ["completethefollowingconditions" => $dependenciesrestriction->dependentlesson->name . $errorhtmllist];
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if (!$return) {
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throw new moodle_exception(key($error), 'lesson', '', current($error));
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}
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$errors[key($error)] = current($error);
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}
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// To check only when no page is set (starting or continuing a lesson).
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if (empty($params['pageid'])) {
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// To avoid multiple calls, store the magic property firstpage.
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$lessonfirstpage = $lesson->firstpage;
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$lessonfirstpageid = $lessonfirstpage ? $lessonfirstpage->id : false;
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// Check if the lesson does not have pages.
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if (!$lessonfirstpageid) {
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$error = ["lessonnotready2" => null];
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if (!$return) {
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throw new moodle_exception(key($error), 'lesson');
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}
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$errors[key($error)] = current($error);
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}
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// Get the number of retries (also referenced as attempts), and the last page seen.
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$attemptscount = $lesson->count_user_retries($USER->id);
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$lastpageseen = $lesson->get_last_page_seen($attemptscount);
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// Check if the user left a timed session with no retakes.
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if ($lastpageseen !== false && $lastpageseen != LESSON_EOL) {
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if ($lesson->left_during_timed_session($attemptscount) && $lesson->timelimit && !$lesson->retake) {
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$error = ["leftduringtimednoretake" => null];
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if (!$return) {
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throw new moodle_exception(key($error), 'lesson');
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}
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$errors[key($error)] = current($error);
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}
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} else if ($attemptscount > 0 && !$lesson->retake) {
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// The user finished the lesson and no retakes are allowed.
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$error = ["noretake" => null];
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if (!$return) {
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throw new moodle_exception(key($error), 'lesson');
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}
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$errors[key($error)] = current($error);
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}
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}
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return $errors;
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}
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/**
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* Describes the parameters for get_lesson_access_information.
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*
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* @return external_external_function_parameters
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* @since Moodle 3.3
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*/
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public static function get_lesson_access_information_parameters() {
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return new external_function_parameters (
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array(
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'lessonid' => new external_value(PARAM_INT, 'lesson instance id')
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)
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);
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}
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/**
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* Return access information for a given lesson.
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*
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* @param int $lessonid lesson instance id
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* @return array of warnings and the access information
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* @since Moodle 3.3
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* @throws moodle_exception
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*/
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public static function get_lesson_access_information($lessonid) {
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global $DB, $USER;
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$warnings = array();
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$params = array(
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'lessonid' => $lessonid
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);
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$params = self::validate_parameters(self::get_lesson_access_information_parameters(), $params);
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list($lesson, $course, $cm, $context) = self::validate_lesson($params['lessonid']);
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$result = array();
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// Capabilities first.
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$result['canmanage'] = $lesson->can_manage();
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$result['cangrade'] = has_capability('mod/lesson:grade', $context);
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$result['canviewreports'] = has_capability('mod/lesson:viewreports', $context);
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// Status information.
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$result['reviewmode'] = $lesson->is_in_review_mode();
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$result['attemptscount'] = $lesson->count_user_retries($USER->id);
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$lastpageseen = $lesson->get_last_page_seen($result['attemptscount']);
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$result['lastpageseen'] = ($lastpageseen !== false) ? $lastpageseen : 0;
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$result['leftduringtimedsession'] = $lesson->left_during_timed_session($result['attemptscount']);
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// To avoid multiple calls, store the magic property firstpage.
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$lessonfirstpage = $lesson->firstpage;
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$result['firstpageid'] = $lessonfirstpage ? $lessonfirstpage->id : 0;
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// Access restrictions now, we emulate a new attempt access to get the possible warnings.
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$result['preventaccessreasons'] = [];
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$validationerrors = self::validate_attempt($lesson, ['password' => ''], true);
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foreach ($validationerrors as $reason => $data) {
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$result['preventaccessreasons'][] = [
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'reason' => $reason,
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'data' => $data,
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'message' => get_string($reason, 'lesson', $data),
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];
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}
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$result['warnings'] = $warnings;
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return $result;
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}
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/**
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* Describes the get_lesson_access_information return value.
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*
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* @return external_single_structure
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* @since Moodle 3.3
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*/
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public static function get_lesson_access_information_returns() {
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return new external_single_structure(
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array(
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'canmanage' => new external_value(PARAM_BOOL, 'Whether the user can manage the lesson or not.'),
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'cangrade' => new external_value(PARAM_BOOL, 'Whether the user can grade the lesson or not.'),
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'canviewreports' => new external_value(PARAM_BOOL, 'Whether the user can view the lesson reports or not.'),
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'reviewmode' => new external_value(PARAM_BOOL, 'Whether the lesson is in review mode for the current user.'),
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'attemptscount' => new external_value(PARAM_INT, 'The number of attempts done by the user.'),
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'lastpageseen' => new external_value(PARAM_INT, 'The last page seen id.'),
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'leftduringtimedsession' => new external_value(PARAM_BOOL, 'Whether the user left during a timed session.'),
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'firstpageid' => new external_value(PARAM_INT, 'The lesson first page id.'),
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'preventaccessreasons' => new external_multiple_structure(
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new external_single_structure(
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array(
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'reason' => new external_value(PARAM_ALPHANUMEXT, 'Reason lang string code'),
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'data' => new external_value(PARAM_RAW, 'Additional data'),
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'message' => new external_value(PARAM_RAW, 'Complete html message'),
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),
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'The reasons why the user cannot attempt the lesson'
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)
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),
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'warnings' => new external_warnings(),
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)
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);
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}
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}
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@ -30,9 +30,18 @@ $functions = array(
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'mod_lesson_get_lessons_by_courses' => array(
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'classname' => 'mod_lesson_external',
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'methodname' => 'get_lessons_by_courses',
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'description' => 'Returns a list of lessons in a provided list of courses, if no list is provided all lessons that the user can view will be returned.',
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'description' => 'Returns a list of lessons in a provided list of courses,
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if no list is provided all lessons that the user can view will be returned.',
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'type' => 'read',
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'capabilities' => 'mod/lesson:view',
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'services' => array(MOODLE_OFFICIAL_MOBILE_SERVICE),
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),
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'mod_lesson_get_lesson_access_information' => array(
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'classname' => 'mod_lesson_external',
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'methodname' => 'get_lesson_access_information',
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'description' => 'Return access information for a given lesson.',
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'type' => 'read',
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'capabilities' => 'mod/lesson:view',
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'services' => array(MOODLE_OFFICIAL_MOBILE_SERVICE),
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),
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);
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@ -31,6 +31,30 @@ global $CFG;
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require_once($CFG->dirroot . '/webservice/tests/helpers.php');
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require_once($CFG->dirroot . '/mod/lesson/locallib.php');
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/**
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* Silly class to access mod_lesson_external internal methods.
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*
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* @package mod_lesson
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* @copyright 2017 Juan Leyva <juan@moodle.com>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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* @since Moodle 3.3
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*/
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class testable_mod_lesson_external extends mod_lesson_external {
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/**
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* Validates a new attempt.
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*
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* @param lesson $lesson lesson instance
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* @param array $params request parameters
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* @param boolean $return whether to return the errors or throw exceptions
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* @return [array the errors (if return set to true)
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* @since Moodle 3.3
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*/
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public static function validate_attempt(lesson $lesson, $params, $return = false) {
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return parent::validate_attempt($lesson, $params, $return);
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}
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}
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/**
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* Lesson module external functions tests
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*
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@ -53,6 +77,9 @@ class mod_lesson_external_testcase extends externallib_advanced_testcase {
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// Setup test data.
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$this->course = $this->getDataGenerator()->create_course();
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$this->lesson = $this->getDataGenerator()->create_module('lesson', array('course' => $this->course->id));
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$lessongenerator = $this->getDataGenerator()->get_plugin_generator('mod_lesson');
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$this->page1 = $lessongenerator->create_content($this->lesson);
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$this->page2 = $lessongenerator->create_question_truefalse($this->lesson);
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$this->context = context_module::instance($this->lesson->cmid);
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$this->cm = get_coursemodule_from_instance('lesson', $this->lesson->id);
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@ -192,4 +219,124 @@ class mod_lesson_external_testcase extends externallib_advanced_testcase {
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$this->assertFalse(isset($lessons['lessons'][0]['intro']));
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}
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/**
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* Test the validate_attempt function.
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*/
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public function test_validate_attempt() {
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global $DB;
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$this->setUser($this->student);
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// Test deadline.
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$oldtime = time() - DAYSECS;
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$DB->set_field('lesson', 'deadline', $oldtime, array('id' => $this->lesson->id));
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$lesson = new lesson($DB->get_record('lesson', array('id' => $this->lesson->id)));
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$validation = testable_mod_lesson_external::validate_attempt($lesson, ['password' => ''], true);
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$this->assertEquals('lessonclosed', key($validation));
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$this->assertCount(1, $validation);
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// Test not available yet.
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$futuretime = time() + DAYSECS;
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$DB->set_field('lesson', 'deadline', 0, array('id' => $this->lesson->id));
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$DB->set_field('lesson', 'available', $futuretime, array('id' => $this->lesson->id));
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$lesson = new lesson($DB->get_record('lesson', array('id' => $this->lesson->id)));
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$validation = testable_mod_lesson_external::validate_attempt($lesson, ['password' => ''], true);
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$this->assertEquals('lessonopen', key($validation));
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$this->assertCount(1, $validation);
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// Test password.
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$DB->set_field('lesson', 'deadline', 0, array('id' => $this->lesson->id));
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$DB->set_field('lesson', 'available', 0, array('id' => $this->lesson->id));
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$DB->set_field('lesson', 'usepassword', 1, array('id' => $this->lesson->id));
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$DB->set_field('lesson', 'password', 'abc', array('id' => $this->lesson->id));
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$lesson = new lesson($DB->get_record('lesson', array('id' => $this->lesson->id)));
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$validation = testable_mod_lesson_external::validate_attempt($lesson, ['password' => ''], true);
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$this->assertEquals('passwordprotectedlesson', key($validation));
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$this->assertCount(1, $validation);
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$lesson = new lesson($DB->get_record('lesson', array('id' => $this->lesson->id)));
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$validation = testable_mod_lesson_external::validate_attempt($lesson, ['password' => 'abc'], true);
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$this->assertCount(0, $validation);
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// Dependencies.
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$record = new stdClass();
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$record->course = $this->course->id;
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$lesson2 = self::getDataGenerator()->create_module('lesson', $record);
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$DB->set_field('lesson', 'usepassword', 0, array('id' => $this->lesson->id));
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$DB->set_field('lesson', 'password', '', array('id' => $this->lesson->id));
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$DB->set_field('lesson', 'dependency', $lesson->id, array('id' => $this->lesson->id));
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$lesson = new lesson($DB->get_record('lesson', array('id' => $this->lesson->id)));
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$lesson->conditions = serialize((object) ['completed' => true, 'timespent' => 0, 'gradebetterthan' => 0]);
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$validation = testable_mod_lesson_external::validate_attempt($lesson, ['password' => ''], true);
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$this->assertEquals('completethefollowingconditions', key($validation));
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$this->assertCount(1, $validation);
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// Lesson withou pages.
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$lesson = new lesson($lesson2);
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$validation = testable_mod_lesson_external::validate_attempt($lesson, ['password' => ''], true);
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$this->assertEquals('lessonnotready2', key($validation));
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$this->assertCount(1, $validation);
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// Test retakes.
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$DB->set_field('lesson', 'dependency', 0, array('id' => $this->lesson->id));
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$DB->set_field('lesson', 'retake', 0, array('id' => $this->lesson->id));
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$record = [
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'lessonid' => $this->lesson->id,
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'userid' => $this->student->id,
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'grade' => 100,
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'late' => 0,
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'completed' => 1,
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];
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$DB->insert_record('lesson_grades', (object) $record);
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$lesson = new lesson($DB->get_record('lesson', array('id' => $this->lesson->id)));
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$validation = testable_mod_lesson_external::validate_attempt($lesson, ['password' => ''], true);
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$this->assertEquals('noretake', key($validation));
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$this->assertCount(1, $validation);
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}
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/**
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* Test the get_lesson_access_information function.
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*/
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public function test_get_lesson_access_information() {
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global $DB;
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$this->setUser($this->student);
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// Add previous attempt.
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$record = [
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'lessonid' => $this->lesson->id,
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'userid' => $this->student->id,
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'grade' => 100,
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'late' => 0,
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'completed' => 1,
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];
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$DB->insert_record('lesson_grades', (object) $record);
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$result = mod_lesson_external::get_lesson_access_information($this->lesson->id);
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$result = external_api::clean_returnvalue(mod_lesson_external::get_lesson_access_information_returns(), $result);
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$this->assertFalse($result['canmanage']);
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$this->assertFalse($result['cangrade']);
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$this->assertFalse($result['canviewreports']);
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$this->assertFalse($result['leftduringtimedsession']);
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$this->assertEquals(1, $result['reviewmode']);
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$this->assertEquals(1, $result['attemptscount']);
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$this->assertEquals(0, $result['lastpageseen']);
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$this->assertEquals($this->page2->id, $result['firstpageid']);
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$this->assertCount(1, $result['preventaccessreasons']);
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$this->assertEquals('noretake', $result['preventaccessreasons'][0]['reason']);
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$this->assertEquals(null, $result['preventaccessreasons'][0]['data']);
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$this->assertEquals(get_string('noretake', 'lesson'), $result['preventaccessreasons'][0]['message']);
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// Now check permissions as admin.
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$this->setAdminUser();
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$result = mod_lesson_external::get_lesson_access_information($this->lesson->id);
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$result = external_api::clean_returnvalue(mod_lesson_external::get_lesson_access_information_returns(), $result);
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$this->assertTrue($result['canmanage']);
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$this->assertTrue($result['cangrade']);
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$this->assertTrue($result['canviewreports']);
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}
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}
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@ -24,7 +24,7 @@
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defined('MOODLE_INTERNAL') || die();
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$plugin->version = 2016120501; // The current module version (Date: YYYYMMDDXX)
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$plugin->version = 2016120502; // The current module version (Date: YYYYMMDDXX)
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$plugin->requires = 2016112900; // Requires this Moodle version
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$plugin->component = 'mod_lesson'; // Full name of the plugin (used for diagnostics)
|
||||
$plugin->cron = 0;
|
||||
|
||||
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Reference in New Issue
Block a user