/**
* Replace a lesson reference in rules for another lesson
*
* @param EfrontLesson $oldLesson The lesson to replace
* @param EfrontLesson $newLesson The new lesson to put
* @since 3.6.1
* @access private
*/
private function replaceLessonInCourseOrder($oldLesson, $newLesson)
{
$oldLesson = EfrontLesson::convertArgumentToLessonId($oldLesson);
$newLesson = EfrontLesson::convertArgumentToLessonId($newLesson);
$previousLessons = $this->getPreviousLessonsInCourse();
//Set the lessons that point to the old lesson, to point to the new lesson
$fields = array("previous_lessons_ID" => $newLesson);
$where = "previous_lessons_ID= " . $oldLesson . " and courses_ID=" . $this->course['id'];
self::persistCourseLessons($fields, $where);
//Set the new lesson's previous lesson to be the same as the old one's
$fields = array("previous_lessons_ID" => $previousLessons[$oldLesson]);
$where = "lessons_ID = " . $newLesson . " and courses_ID=" . $this->course['id'];
self::persistCourseLessons($fields, $where);
}
/**
* Delete the calendar events related to the specified lesson
*
* @param mixed $lesson A lesson id or an EfrontLesson object
* @since 3.6.7
* @access public
* @static
*/
public static function deleteLessonCalendarEvents($lesson)
{
$lesson = EfrontLesson::convertArgumentToLessonId($lesson);
eF_deleteTableData("calendar", "type = 'lesson' and foreign_ID=" . $lesson);
}
