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В категории у товара вывести количество рекомендуемых товаров


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Как в категории у каждого товара вывести цифру количества рекомендуемых товаров данного товара?

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рекомендуемых товаров данного товара

:? О чем речь? Каждому товару присвоены связи с другими товарами и Вы хотите посчитать количество связей для каждого конкретного товара?

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рекомендуемых товаров данного товара

:? О чем речь? К товару присвоена связь с другими товарами и Вы хотите посчитать количество связей для каждого товара?

 

На странице категории у каждого товара вывести число рекомендуемых товаров данного товара. Мне кажется верно изъяснился

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мне кажется нужно подсчет рекомендуемых делать при выводе в цикле товаров на странице категории, и в его контроллере

 

Ага. Понял. Звучит очень непрактично, но задача интересная. Ща напишу решение... 10 минут...)

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В контрллере категории catalog\controller\product\category.php
Есть строка 
$results = $this->model_catalog_product->getProducts($data);
Поэтому залазим в контроллер catalog\model\catalog\product.php и находим метод getProducts().
Там мы видим SQL запрос. Переписываем его.
$sql = "SELECT p.product_id, (SELECT AVG(rating) AS total FROM " . DB_PREFIX . "review r1 WHERE r1.product_id = p.product_id AND r1.status = '1' GROUP BY r1.product_id) AS rating, (SELECT COUNT(*) FROM " . DB_PREFIX . "product_related pr WHERE pr.product_id = p.product_id) AS related, (SELECT price FROM " . DB_PREFIX . "product_discount pd2 WHERE pd2.product_id = p.product_id AND pd2.customer_group_id = '" . (int)$customer_group_id . "' AND pd2.quantity = '1' AND ((pd2.date_start = '0000-00-00' OR pd2.date_start < NOW()) AND (pd2.date_end = '0000-00-00' OR pd2.date_end > NOW())) ORDER BY pd2.priority ASC, pd2.price ASC LIMIT 1) AS discount, (SELECT price FROM " . DB_PREFIX . "product_special ps WHERE ps.product_id = p.product_id AND ps.customer_group_id = '" . (int)$customer_group_id . "' AND ((ps.date_start = '0000-00-00' OR ps.date_start < NOW()) AND (ps.date_end = '0000-00-00' OR ps.date_end > NOW())) ORDER BY ps.priority ASC, ps.price ASC LIMIT 1) AS special"; 
Все... Дальше не интересно. В файле catalog\view\theme\ваш_шаблон\template\product\category.tpl теперь доступна переменная $product['related'], которая содержит числовое значение.
 
P.S. Сам не проверял.
 
UPDATED:
Кажется я фигню написал. Там ниже вызов в цикле:
foreach ($query->rows as $result) {
			$product_data[$result['product_id']] = $this->getProduct($result['product_id']);
		}

О, чудесный OpenCart! О, божественная архитектура!

 

Значит так... Забыли про getProducts. Вместо того, чтобы редактировать метод getProducts нужно редактировать getProduct по аналогии т.е. 

$query = $this->db->query("SELECT DISTINCT *, pd.name AS name, p.image, m.name AS manufacturer, (SELECT price FROM " . DB_PREFIX . "product_discount pd2 WHERE pd2.product_id = p.product_id AND pd2.customer_group_id = '" . (int)$customer_group_id . "' AND pd2.quantity = '1' AND ((pd2.date_start = '0000-00-00' OR pd2.date_start < NOW()) AND (pd2.date_end = '0000-00-00' OR pd2.date_end > NOW())) ORDER BY pd2.priority ASC, pd2.price ASC LIMIT 1) AS discount, (SELECT COUNT(*) FROM " . DB_PREFIX . "product_related pr WHERE pr.product_id = p.product_id) AS related, (SELECT price FROM " . DB_PREFIX . "product_special ps WHERE ps.product_id = p.product_id AND ps.customer_group_id = '" . (int)$customer_group_id . "' AND ((ps.date_start = '0000-00-00' OR ps.date_start < NOW()) AND (ps.date_end = '0000-00-00' OR ps.date_end > NOW())) ORDER BY ps.priority ASC, ps.price ASC LIMIT 1) AS special, (SELECT points FROM " . DB_PREFIX . "product_reward pr WHERE pr.product_id = p.product_id AND customer_group_id = '" . (int)$customer_group_id . "') AS reward, (SELECT ss.name FROM " . DB_PREFIX . "stock_status ss WHERE ss.stock_status_id = p.stock_status_id AND ss.language_id = '" . (int)$this->config->get('config_language_id') . "') AS stock_status, (SELECT wcd.unit FROM " . DB_PREFIX . "weight_class_description wcd WHERE p.weight_class_id = wcd.weight_class_id AND wcd.language_id = '" . (int)$this->config->get('config_language_id') . "') AS weight_class, (SELECT lcd.unit FROM " . DB_PREFIX . "length_class_description lcd WHERE p.length_class_id = lcd.length_class_id AND lcd.language_id = '" . (int)$this->config->get('config_language_id') . "') AS length_class, (SELECT AVG(rating) AS total FROM " . DB_PREFIX . "review r1 WHERE r1.product_id = p.product_id AND r1.status = '1' GROUP BY r1.product_id) AS rating, (SELECT COUNT(*) AS total FROM " . DB_PREFIX . "review r2 WHERE r2.product_id = p.product_id AND r2.status = '1' GROUP BY r2.product_id) AS reviews, p.sort_order FROM " . DB_PREFIX . "product p LEFT JOIN " . DB_PREFIX . "product_description pd ON (p.product_id = pd.product_id) LEFT JOIN " . DB_PREFIX . "product_to_store p2s ON (p.product_id = p2s.product_id) LEFT JOIN " . DB_PREFIX . "manufacturer m ON (p.manufacturer_id = m.manufacturer_id) WHERE p.product_id = '" . (int)$product_id . "' AND pd.language_id = '" . (int)$this->config->get('config_language_id') . "' AND p.status = '1' AND p.date_available <= NOW() AND p2s.store_id = '" . (int)$this->config->get('config_store_id') . "'");

UPDATE 2:

В этом прекрасном полотне надо добавить 

if ($query->num_rows) {
			return array(
				'product_id'       => $query->row['product_id'],
                                'related' => $query->row['related'], // вот это добавлено
				'name'             => $query->row['name'],
				'description'      => $query->row['description'],
				'meta_description' => $query->row['meta_description'],
				'meta_keyword'     => $query->row['meta_keyword'],
				'tag'              => $query->row['tag'],
				'model'            => $query->row['model'],
				'sku'              => $query->row['sku'],
				'upc'              => $query->row['upc'],
				'ean'              => $query->row['ean'],
				'jan'              => $query->row['jan'],
				'isbn'             => $query->row['isbn'],
				'mpn'              => $query->row['mpn'],
				'location'         => $query->row['location'],
				'quantity'         => $query->row['quantity'],
				'stock_status'     => $query->row['stock_status'],
				'image'            => $query->row['image'],
				'manufacturer_id'  => $query->row['manufacturer_id'],
				'manufacturer'     => $query->row['manufacturer'],
				'price'            => ($query->row['discount'] ? $query->row['discount'] : $query->row['price']),
				'special'          => $query->row['special'],
				'reward'           => $query->row['reward'],
				'points'           => $query->row['points'],
				'tax_class_id'     => $query->row['tax_class_id'],
				'date_available'   => $query->row['date_available'],
				'weight'           => $query->row['weight'],
				'weight_class_id'  => $query->row['weight_class_id'],
				'length'           => $query->row['length'],
				'width'            => $query->row['width'],
				'height'           => $query->row['height'],
				'length_class_id'  => $query->row['length_class_id'],
				'subtract'         => $query->row['subtract'],
				'rating'           => round($query->row['rating']),
				'reviews'          => $query->row['reviews'] ? $query->row['reviews'] : 0,
				'minimum'          => $query->row['minimum'],
				'sort_order'       => $query->row['sort_order'],
				'status'           => $query->row['status'],
				'date_added'       => $query->row['date_added'],
				'date_modified'    => $query->row['date_modified'],
				'viewed'           => $query->row['viewed']
			);

 

 

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public function getProduct($product_id) {

if ($this->customer->isLogged()) {

$customer_group_id = $this->customer->getCustomerGroupId();

} else {

$customer_group_id = $this->config->get('config_customer_group_id');

}

//$query = $this->db->query("SELECT DISTINCT *, pd.name AS name, p.image, m.name AS manufacturer, (SELECT price FROM " . DB_PREFIX . "product_discount pd2 WHERE pd2.product_id = p.product_id AND pd2.customer_group_id = '" . (int)$customer_group_id . "' AND pd2.quantity = '1' AND ((pd2.date_start = '0000-00-00' OR pd2.date_start < NOW()) AND (pd2.date_end = '0000-00-00' OR pd2.date_end > NOW())) ORDER BY pd2.priority ASC, pd2.price ASC LIMIT 1) AS discount, (SELECT price FROM " . DB_PREFIX . "product_special ps WHERE ps.product_id = p.product_id AND ps.customer_group_id = '" . (int)$customer_group_id . "' AND ((ps.date_start = '0000-00-00' OR ps.date_start < NOW()) AND (ps.date_end = '0000-00-00' OR ps.date_end > NOW())) ORDER BY ps.priority ASC, ps.price ASC LIMIT 1) AS special, (SELECT points FROM " . DB_PREFIX . "product_reward pr WHERE pr.product_id = p.product_id AND customer_group_id = '" . (int)$customer_group_id . "') AS reward, (SELECT ss.name FROM " . DB_PREFIX . "stock_status ss WHERE ss.stock_status_id = p.stock_status_id AND ss.language_id = '" . (int)$this->config->get('config_language_id') . "') AS stock_status, (SELECT wcd.unit FROM " . DB_PREFIX . "weight_class_description wcd WHERE p.weight_class_id = wcd.weight_class_id AND wcd.language_id = '" . (int)$this->config->get('config_language_id') . "') AS weight_class, (SELECT lcd.unit FROM " . DB_PREFIX . "length_class_description lcd WHERE p.length_class_id = lcd.length_class_id AND lcd.language_id = '" . (int)$this->config->get('config_language_id') . "') AS length_class, (SELECT AVG(rating) AS total FROM " . DB_PREFIX . "review r1 WHERE r1.product_id = p.product_id AND r1.status = '1' GROUP BY r1.product_id) AS rating, (SELECT COUNT(*) AS total FROM " . DB_PREFIX . "review r2 WHERE r2.product_id = p.product_id AND r2.status = '1' GROUP BY r2.product_id) AS reviews, p.sort_order FROM " . DB_PREFIX . "product p LEFT JOIN " . DB_PREFIX . "product_description pd ON (p.product_id = pd.product_id) LEFT JOIN " . DB_PREFIX . "product_to_store p2s ON (p.product_id = p2s.product_id) LEFT JOIN " . DB_PREFIX . "manufacturer m ON (p.manufacturer_id = m.manufacturer_id) WHERE p.product_id = '" . (int)$product_id . "' AND pd.language_id = '" . (int)$this->config->get('config_language_id') . "' AND p.status = '1' AND p.date_available <= NOW() AND p2s.store_id = '" . (int)$this->config->get('config_store_id') . "'");

$query = $this->db->query("SELECT DISTINCT *, pd.name AS name, p.image, m.name AS manufacturer, (SELECT price FROM " . DB_PREFIX . "product_discount pd2 WHERE pd2.product_id = p.product_id AND pd2.customer_group_id = '" . (int)$customer_group_id . "' AND pd2.quantity = '1' AND ((pd2.date_start = '0000-00-00' OR pd2.date_start < NOW()) AND (pd2.date_end = '0000-00-00' OR pd2.date_end > NOW())) ORDER BY pd2.priority ASC, pd2.price ASC LIMIT 1) AS discount, (SELECT COUNT(*) FROM " . DB_PREFIX . "product_related pr WHERE pr.product_id = p.product_id) AS related, (SELECT price FROM " . DB_PREFIX . "product_special ps WHERE ps.product_id = p.product_id AND ps.customer_group_id = '" . (int)$customer_group_id . "' AND ((ps.date_start = '0000-00-00' OR ps.date_start < NOW()) AND (ps.date_end = '0000-00-00' OR ps.date_end > NOW())) ORDER BY ps.priority ASC, ps.price ASC LIMIT 1) AS special, (SELECT points FROM " . DB_PREFIX . "product_reward pr WHERE pr.product_id = p.product_id AND customer_group_id = '" . (int)$customer_group_id . "') AS reward, (SELECT ss.name FROM " . DB_PREFIX . "stock_status ss WHERE ss.stock_status_id = p.stock_status_id AND ss.language_id = '" . (int)$this->config->get('config_language_id') . "') AS stock_status, (SELECT wcd.unit FROM " . DB_PREFIX . "weight_class_description wcd WHERE p.weight_class_id = wcd.weight_class_id AND wcd.language_id = '" . (int)$this->config->get('config_language_id') . "') AS weight_class, (SELECT lcd.unit FROM " . DB_PREFIX . "length_class_description lcd WHERE p.length_class_id = lcd.length_class_id AND lcd.language_id = '" . (int)$this->config->get('config_language_id') . "') AS length_class, (SELECT AVG(rating) AS total FROM " . DB_PREFIX . "review r1 WHERE r1.product_id = p.product_id AND r1.status = '1' GROUP BY r1.product_id) AS rating, (SELECT COUNT(*) AS total FROM " . DB_PREFIX . "review r2 WHERE r2.product_id = p.product_id AND r2.status = '1' GROUP BY r2.product_id) AS reviews, p.sort_order FROM " . DB_PREFIX . "product p LEFT JOIN " . DB_PREFIX . "product_description pd ON (p.product_id = pd.product_id) LEFT JOIN " . DB_PREFIX . "product_to_store p2s ON (p.product_id = p2s.product_id) LEFT JOIN " . DB_PREFIX . "manufacturer m ON (p.manufacturer_id = m.manufacturer_id) WHERE p.product_id = '" . (int)$product_id . "' AND pd.language_id = '" . (int)$this->config->get('config_language_id') . "' AND p.status = '1' AND p.date_available <= NOW() AND p2s.store_id = '" . (int)$this->config->get('config_store_id') . "'");

if ($query->num_rows) {

$query->row['price'] = ($query->row['discount'] ? $query->row['discount'] : $query->row['price']);

$query->row['rating'] = (int)$query->row['rating'];

$query->row['related'] = (int)$query->row['related'];

return $query->row;

} else {

return false;

}

}

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Я редактировал только catalog\model\catalog\product.php выше код в шаблоне category.tpl так <?php echo $product['related']; ?>

 

Ничего не выводится, только сообщение об ошибке, нотис

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Я редактировал только catalog\model\catalog\product.php

Все верно.

Ничего не выводится, только сообщение об ошибке, нотис

Ну, если нет ошибки SQL, то данные из базы забираются. А все остальное, как я уже говорил, не интересно. Ищите где проблема. Первая моя догадка в том, что Вы делаете echo $product['related']; за пределами цикла foreach... 

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Я редактировал только catalog\model\catalog\product.php

Все верно.

>Ничего не выводится, только сообщение об ошибке, нотис

Ну, если нет ошибки SQL, то данные из базы забираются. А все остальное, как я уже говорил, не интересно. Ищите где проблема. Первая моя догадка в том, что Вы делаете echo $product['related']; за пределами цикла foreach... 

 

 

Как раз в цикле выводится. Готов отблагодарить за помощь, деньгами :) за решение

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в шаблоне?

 

мне кажется дело в запросе

Так сделайте print_r() и посмотрите.

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также 

 

<?php $test=$product['related']; ?>
<?php print_r($test); ?>
 

 

Notice: Undefined index: related in /home/domaain.tld/public_html/catalog/view/theme/default/template/product/category.tpl on line 43

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Поступил проще, при запросе insert или  update рекомендуемых посчитал в цикле простым счетчиком и записал кол-во в таблицу product :) считать на ходу каждый раз во фронтенде не правильно мне кажется, тем более лишний запрос

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