FRONTEND_MVC/models/base/Gallery.php

<?php

namespace app\models\base;

use Yii;

/**
 * This is the model class for table "gallery".
 *
 * @property int $id
 * @property string|null $name
 * @property string|null $description
 * @property string|null $created_at
 * @property int|null $post_id
 *
 * @property GalleryItem[] $galleryItems
 * @property News $post
 */
class Gallery extends \yii\db\ActiveRecord
{
    /**
     * {@inheritdoc}
     */
    public static function tableName()
    {
        return 'gallery';
    }

    /**
     * {@inheritdoc}
     */
    public function rules()
    {
        return [
            [['created_at'], 'safe'],
            [['post_id'], 'integer'],
            [['name', 'description'], 'string', 'max' => 255],
            [['post_id'], 'exist', 'skipOnError' => true, 'targetClass' => News::class, 'targetAttribute' => ['post_id' => 'id']],
        ];
    }

    /**
     * {@inheritdoc}
     */
    public function attributeLabels()
    {
        return [
            'id' => 'ID',
            'name' => 'Name',
            'description' => 'Description',
            'created_at' => 'Created At',
            'post_id' => 'Post ID',
        ];
    }

    /**
     * Gets query for [[GalleryItems]].
     *
     * @return \yii\db\ActiveQuery
     */
    public function getGalleryItems()
    {
        return $this->hasMany(GalleryItem::class, ['gallery_id' => 'id']);
    }

    /**
     * Gets query for [[Post]].
     *
     * @return \yii\db\ActiveQuery
     */
    public function getPost()
    {
        return $this->hasOne(News::class, ['id' => 'post_id']);
    }
}