/**
* Remove a related competency.
*
* @param int $competencyid The id of the competency.
* @param int $relatedcompetencyid The id of the related competency.
* @return bool True when it was deleted, false when it wasn't or the relation doesn't exist.
*/
public static function remove_related_competency($competencyid, $relatedcompetencyid)
{
static::require_enabled();
$competency = new competency($competencyid);
// This only check if we have the permission in either competency because both competencies
// should belong to the same framework.
require_capability('moodle/competency:competencymanage', $competency->get_context());
$relatedcompetency = related_competency::get_relation($competencyid, $relatedcompetencyid);
if ($relatedcompetency->get_id()) {
return $relatedcompetency->delete();
}
return false;
}
/**
* Create a related competency.
*
* @param array|stdClass $record
* @return related_competency
*/
public function create_related_competency($record = null)
{
$record = (object) $record;
if (!isset($record->competencyid)) {
throw new coding_exception('Property competencyid is required.');
}
if (!isset($record->relatedcompetencyid)) {
throw new coding_exception('Property relatedcompetencyid is required.');
}
$relation = related_competency::get_relation($record->competencyid, $record->relatedcompetencyid);
if ($relation->get_id()) {
throw new coding_exception('Relation already exists');
}
$relation->create();
return $relation;
}