/**
* Recursively delete category including all subcategories and courses
*
* Function {@link coursecat::can_delete_full()} MUST be called prior
* to calling this function because there is no capability check
* inside this function
*
* @param boolean $showfeedback display some notices
* @return array return deleted courses
* @throws moodle_exception
*/
public function delete_full($showfeedback = true)
{
global $CFG, $DB;
require_once $CFG->libdir . '/gradelib.php';
require_once $CFG->libdir . '/questionlib.php';
require_once $CFG->dirroot . '/cohort/lib.php';
$deletedcourses = array();
// Get children. Note, we don't want to use cache here because it would be rebuilt too often.
$children = $DB->get_records('course_categories', array('parent' => $this->id), 'sortorder ASC');
foreach ($children as $record) {
$coursecat = new coursecat($record);
$deletedcourses += $coursecat->delete_full($showfeedback);
}
if ($courses = $DB->get_records('course', array('category' => $this->id), 'sortorder ASC')) {
foreach ($courses as $course) {
if (!delete_course($course, false)) {
throw new moodle_exception('cannotdeletecategorycourse', '', '', $course->shortname);
}
$deletedcourses[] = $course;
}
}
// Move or delete cohorts in this context.
cohort_delete_category($this);
// Now delete anything that may depend on course category context.
grade_course_category_delete($this->id, 0, $showfeedback);
if (!question_delete_course_category($this, 0, $showfeedback)) {
throw new moodle_exception('cannotdeletecategoryquestions', '', '', $this->get_formatted_name());
}
// Finally delete the category and it's context.
$DB->delete_records('course_categories', array('id' => $this->id));
$coursecatcontext = context_coursecat::instance($this->id);
$coursecatcontext->delete();
cache_helper::purge_by_event('changesincoursecat');
// Trigger a course category deleted event.
/* @var \core\event\course_category_deleted $event */
$event = \core\event\course_category_deleted::create(array('objectid' => $this->id, 'context' => $coursecatcontext, 'other' => array('name' => $this->name)));
$event->set_coursecat($this);
$event->trigger();
// If we deleted $CFG->defaultrequestcategory, make it point somewhere else.
if ($this->id == $CFG->defaultrequestcategory) {
set_config('defaultrequestcategory', $DB->get_field('course_categories', 'MIN(id)', array('parent' => 0)));
}
return $deletedcourses;
}
/**
* Recursively delete category including all subcategories and courses
*
* Function {@link coursecat::can_delete_full()} MUST be called prior
* to calling this function because there is no capability check
* inside this function
*
* @param boolean $showfeedback display some notices
* @return array return deleted courses
*/
public function delete_full($showfeedback = true)
{
global $CFG, $DB;
require_once $CFG->libdir . '/gradelib.php';
require_once $CFG->libdir . '/questionlib.php';
require_once $CFG->dirroot . '/cohort/lib.php';
$deletedcourses = array();
// Get children. Note, we don't want to use cache here because
// it would be rebuilt too often
$children = $DB->get_records('course_categories', array('parent' => $this->id), 'sortorder ASC');
foreach ($children as $record) {
$coursecat = new coursecat($record);
$deletedcourses += $coursecat->delete_full($showfeedback);
}
if ($courses = $DB->get_records('course', array('category' => $this->id), 'sortorder ASC')) {
foreach ($courses as $course) {
if (!delete_course($course, false)) {
throw new moodle_exception('cannotdeletecategorycourse', '', '', $course->shortname);
}
$deletedcourses[] = $course;
}
}
// move or delete cohorts in this context
cohort_delete_category($this);
// now delete anything that may depend on course category context
grade_course_category_delete($this->id, 0, $showfeedback);
if (!question_delete_course_category($this, 0, $showfeedback)) {
throw new moodle_exception('cannotdeletecategoryquestions', '', '', $this->get_formatted_name());
}
// finally delete the category and it's context
$DB->delete_records('course_categories', array('id' => $this->id));
delete_context(CONTEXT_COURSECAT, $this->id);
add_to_log(SITEID, "category", "delete", "index.php", "{$this->name} (ID {$this->id})");
cache_helper::purge_by_event('changesincoursecat');
events_trigger('course_category_deleted', $this);
// If we deleted $CFG->defaultrequestcategory, make it point somewhere else.
if ($this->id == $CFG->defaultrequestcategory) {
set_config('defaultrequestcategory', $DB->get_field('course_categories', 'MIN(id)', array('parent' => 0)));
}
return $deletedcourses;
}
