<?php
/**
 * Extend class to add own methods as needed
 */
class DigiMinaCompetencyModel extends ElggObject {

	/**
	 * Set attributes as needed.
	 */
	protected function initializeAttributes() {
		parent::initializeAttributes();

		$this->attributes['subtype'] = 'dmcompetencymodel';
		$this->attributes['access_id'] = ACCESS_PUBLIC;
	}

	/**
	 * Get list of competencies.
	 *
	 * @param int $limit  Limit
	 * @param int $offset Offset
	 * @param bool $count Count
	 *
	 * @return mixed
	 */
	public function getCompetencies($limit = 10, $offset = 0, $count = false) {
		$options = array(
			'types' => 'object',
			'subtypes' => 'dmcompetency',
			'limit' => $limit,
			'offset' => $offset,
			'count' => $count,
			'container_guid' => $this->getGUID(),
			'order_by' => 'guid ASC'
		);

		return elgg_get_entities($options);
	}

    /**
     * Retuns number of PerformanceLevel objects in the model
     *
     * @return int
     */
    public function getPerformanceLevelCount() {
        $level_count = 0;
        $competencies = $this->getCompetencies(0);
        if (is_array($competencies) && count($competencies) > 0) {
            foreach ($competencies as $competency) {
                $level_count += $competency->getPerformanceLevelCount();
            }
        }

        return $level_count;
    }
}