/**
* 根据特性ID获取商品特性
*
* @param integer $feature_id
* @return array
*/
public static function get($feature_id)
{
$feature = FeatureService::get_instance()->get($feature_id);
$feature = coding::decode_feature($feature);
$options = FeatureoptionService::get_instance()->index(array('where' => array('feature_id' => $feature['id']), 'orderby' => 'order'));
$feature['options'] = array();
foreach ($options as $option) {
unset($option['feature_id']);
unset($option['order']);
$feature['options'][$option['id']] = $option;
}
return $feature;
}
/**
* 通过feature_id,特性数组，更新该 feature的选项
* @param int $feature_id 特性ID
* @param array $options 更新的特性数组
* @return bool
* @throws MyRuntimeException
*/
public function update_options($feature_id, $site_id, $options = array())
{
$oldoptions = $this->get_featureoptions_by_feature_id($feature_id);
if (!empty($oldoptions)) {
$del_ids = array();
foreach ($oldoptions as $val) {
if (!array_key_exists($val['id'], $options)) {
$del_ids[] = $val['id'];
} else {
$set_data = $options[$val['id']];
FeatureoptionService::get_instance()->set($val['id'], $set_data);
}
}
if (!empty($del_ids)) {
FeatureoptionService::get_instance()->delete_by_featureoption_id($del_ids);
}
}
if (!empty($options)) {
foreach ($options as $key => $val) {
if (!array_key_exists($key, $oldoptions)) {
$set_data = $options[$key];
$set_data['site_id'] = $site_id;
$set_data['feature_id'] = $feature_id;
FeatureoptionService::get_instance()->add($set_data);
}
}
}
$this->clear($feature_id);
}