/** * 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; }