Рекомендуемые статьи и товары

public/store/model/catalog/product.php

@@ -398,6 +398,35 @@ class ModelCatalogProduct extends Model
 		return $product_data;
 	}
 
+	public function getRandomProductsFromSameCategories($product_id, $limit = 4)
+	{
+		$product_data = array();
+		$cache = 'product.related.random.' . (int) $this->config->get('config_store_id') . '.' . (int) $product_id . '.' . (int) $limit;
+		$product_ids = $this->cache->get($cache);
+
+		if (!$product_ids) {
+			$product_ids = array();
+
+			$query = $this->db->query('SELECT DISTINCT p.product_id FROM ' . DB_PREFIX . 'product_to_category source_p2c INNER JOIN ' . DB_PREFIX . 'product_to_category related_p2c ON (source_p2c.category_id = related_p2c.category_id) INNER JOIN ' . DB_PREFIX . 'product p ON (related_p2c.product_id = p.product_id) INNER JOIN ' . DB_PREFIX . "product_to_store p2s ON (p.product_id = p2s.product_id) WHERE source_p2c.product_id = '" . (int) $product_id . "' AND p.product_id != '" . (int) $product_id . "' AND p.status = '1' AND p.date_available <= NOW() AND p2s.store_id = '" . (int) $this->config->get('config_store_id') . "' ORDER BY RAND() LIMIT " . (int) $limit);
+
+			foreach ($query->rows as $result) {
+				$product_ids[] = $result['product_id'];
+			}
+
+			$this->cache->set($cache, $product_ids);
+		}
+
+		foreach ($product_ids as $related_id) {
+			$product = $this->getProduct($related_id);
+
+			if ($product) {
+				$product_data[$related_id] = $product;
+			}
+		}
+
+		return $product_data;
+	}
+
 	public function getProductLayoutId($product_id)
 	{
 		$query = $this->db->query('SELECT * FROM ' . DB_PREFIX . "product_to_layout WHERE product_id = '" . (int) $product_id . "' AND store_id = '" . (int) $this->config->get('config_store_id') . "'");