public function saveImgs($imgs)
{
if (count($imgs) > 0) {
$imgs = array_map('intval', $imgs);
$imgs = array_unique($imgs);
$imgs = array_slice($imgs, 0, self::MAX_IMG_SCHOOL);
EntityLink::deleteAll(['AND', 'entity_1 = :entity_1', 'entity_1_id = :entity_1_id', 'entity_2 = :entity_2', ['NOT IN', 'entity_2_id', $imgs]], [':entity_1' => self::THIS_ENTITY, ':entity_1_id' => $this->id, ':entity_2' => Img::THIS_ENTITY]);
$entityLinksObj = EntityLink::find()->andWhere(['AND', 'entity_1 = :entity_1', 'entity_1_id = :entity_1_id', 'entity_2 = :entity_2', ['IN', 'entity_2_id', $imgs]], [':entity_1' => self::THIS_ENTITY, ':entity_1_id' => $this->id, ':entity_2' => Img::THIS_ENTITY])->all();
$entityLinks = [];
foreach ($entityLinksObj as $entityLink) {
$entityLinks[$entityLink->entity_2_id] = $entityLink;
}
$imgsObjs = $this->imgs;
$imgsId = [];
foreach ($imgsObjs as $key => $img) {
$imgsId[$key] = $img->id;
}
$index = 0;
foreach ($imgs as $key => $imgId) {
if (!in_array($imgId, $imgsId)) {
$entityLink = new EntityLink();
$entityLink->entity_1 = self::THIS_ENTITY;
$entityLink->entity_1_id = $this->id;
$entityLink->entity_2 = Img::THIS_ENTITY;
$entityLink->entity_2_id = $imgId;
$entityLink->sort = $index++;
$entityLink->save();
} else {
if (!empty($entityLinks[$imgId])) {
$entityLink = $entityLinks[$imgId];
$entityLink->sort = $index++;
$entityLink->save();
}
}
}
} else {
EntityLink::deleteAll(['entity_1' => self::THIS_ENTITY, 'entity_1_id' => $this->id, 'entity_2' => Img::THIS_ENTITY]);
}
}
