/**
* Check if we can delete competencies safely.
*
* This moethod does not check any capablities.
* Check if competency is used in a plan and user competency.
* Check if competency is used in a template.
* Check if competency is linked to a course.
*
* @param array $ids Array of competencies ids.
* @return bool True if we can delete the competencies.
*/
public static function can_all_be_deleted($ids)
{
if (empty($ids)) {
return true;
}
// Check if competency is used in template.
if (template_competency::has_records_for_competencies($ids)) {
return false;
}
// Check if competency is used in plan.
if (plan_competency::has_records_for_competencies($ids)) {
return false;
}
// Check if competency is used in course.
if (course_competency::has_records_for_competencies($ids)) {
return false;
}
// Check if competency is used in user_competency.
if (user_competency::has_records_for_competencies($ids)) {
return false;
}
// Check if competency is used in user_competency_plan.
if (user_competency_plan::has_records_for_competencies($ids)) {
return false;
}
return true;
}
