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Вот недавно Денис написал пост: я делал на 103 версию и вот 106 решил обновить. Полтора года прошло и он решил обновить.

Мдаа… который раз убеждаюсь что вся ваши выводы базируются на домыслах, при этом делаете выводы не понимая сути дела.
Первая версия упомянутого модуля была под 1.10, после было уведомление об обновлении в связи с дополнением… Дальше я нечего не дополнял, потому и не создавал новых записей касаемо модуля… "Cлышал звон, да не знает, где он".

Запрос:
$sql = "SELECT DISTINCT *, pd.name AS name, p.image, m.name AS manufacturer, (SELECT price FROM ". $this->prefix. "product_discount pd2 WHERE pd2.product_id = p.product_id AND pd2.customer_group_id = '". (int)$this->cfg['config_customer_group_id']. "' AND pd2.quantity = '10' 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 ". $this->prefix. "product_special ps WHERE ps.product_id = p.product_id AND ps.customer_group_id = '". (int)$this->cfg['config_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 ". $this->prefix. "product_reward pr WHERE pr.product_id = p.product_id AND customer_group_id = '". (int)$this->cfg['config_customer_group_id']. "') AS reward, (SELECT ss.name FROM ". $this->prefix. "stock_status ss WHERE ss.stock_status_id = p.product_id AND ss.language_id = '". (int)$this->cfg['config_language_id']. "') AS stock_status, (SELECT wcd.unit FROM ". $this->prefix. "weight_class_description wcd WHERE p.weight_class_id = wcd.weight_class_id AND wcd.language_id = '". (int)$this->cfg['config_language_id']. "') AS weight_class, (SELECT lcd.unit FROM ". $this->prefix. "length_class_description lcd WHERE p.length_class_id = lcd.length_class_id AND lcd.language_id = '". (int)$this->cfg['config_language_id']. "') AS length_class, (SELECT AVG(rating) AS total FROM ". $this->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 ". $this->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 ". $this->prefix. "product p LEFT JOIN ". $this->prefix. "product_description pd ON (p.product_id = pd.product_id) LEFT JOIN ". $this->prefix. "product_to_store p2s ON (p.product_id = p2s.product_id) LEFT JOIN ". $this->prefix. "manufacturer m ON (p.manufacturer_id = m.manufacturer_id) WHERE p.product_id = '". (int)$product_id. "' AND pd.language_id = '". (int)$this->cfg['config_language_id']. "' AND p.status = '1' AND p.date_available <= NOW() AND p2s.store_id = '0'";


Пример функции :
$sql = "SELECT p.product_id AS pid, (SELECT AVG(rating) AS total FROM ". $this->prefix. "review r1 WHERE r1.product_id = p.product_id AND r1.status = '1' GROUP BY r1.product_id) AS rating, (SELECT price FROM ". $this->prefix. "product_discount pd2 WHERE pd2.product_id = p.product_id AND pd2.customer_group_id = '". (int)$this->cfg['config_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 ". $this->prefix. "product_special ps WHERE ps.product_id = p.product_id AND ps.customer_group_id = '". (int)$this->cfg['config_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";

if (!empty($data['filter_category_id'])) {
if (!empty($data['filter_sub_category'])) {
$sql .= " FROM ". $this->prefix. "category_path cp LEFT JOIN ". $this->prefix. "product_to_category p2c ON (cp.category_id = p2c.category_id)";
} else {
$sql .= " FROM ". $this->prefix. "product_to_category p2c";
}

if (!empty($data['filter_filter'])) {
$sql .= " LEFT JOIN ". $this->prefix. "product_filter pf ON (p2c.product_id = pf.product_id) LEFT JOIN ". $this->prefix. "product p ON (pf.product_id = p.product_id)";
} else {
$sql .= " LEFT JOIN ". $this->prefix. "product p ON (p2c.product_id = p.product_id)";
}
} else {
$sql .= " FROM ". $this->prefix. "product p";
}

$sql .= " LEFT JOIN ". $this->prefix. "product_description pd ON (p.product_id = pd.product_id) LEFT JOIN ". $this->prefix. "product_to_store p2s ON (p.product_id = p2s.product_id) WHERE pd.language_id = '". (int)$this->cfg['config_language_id']. "' AND p.status = '1' AND p.date_available <= NOW() AND p2s.store_id = '". (int)$this->cfg['config_store_id']. "'";

if (!empty($data['filter_category_id'])) {
if (!empty($data['filter_sub_category'])) {
$sql .= " AND cp.path_id = '". (int)$data['filter_category_id']. "'";
} else {
$sql .= " AND p2c.category_id = '". (int)$data['filter_category_id']. "'";
}

if (!empty($data['filter_filter'])) {
$implode = array();

$filters = explode(',', $data['filter_filter']);

foreach ($filters as $filter_id) {
$implode[] = (int)$filter_id;
}

$sql .= " AND pf.filter_id IN (". implode(',', $implode). ")";
}
}

if (!empty($data['filter_name']) || !empty($data['filter_tag'])) {
$sql .= " AND (";

if (!empty($data['filter_name'])) {
$implode = array();

$words = explode(' ', trim(preg_replace('/\s+/', ' ', $data['filter_name'])));

foreach ($words as $word) {
$implode[] = "pd.name LIKE '%". $this->core->db->escape($word). "%'";
}

if ($implode) {
$sql .= " ". implode(" AND ", $implode). "";
}

if (!empty($data['filter_description'])) {
$sql .= " OR pd.description LIKE '%". $this->core->db->escape($data['filter_name']). "%'";
}
}

if (!empty($data['filter_name']) && !empty($data['filter_tag'])) {
$sql .= " OR ";
}

if (!empty($data['filter_tag'])) {
$sql .= "pd.tag LIKE '%". $this->core->db->escape($data['filter_tag']). "%'";
}

if (!empty($data['filter_name'])) {
$sql .= " OR LCASE(p.model) = '". $this->core->db->escape(mb_strtolower($data['filter_name'])). "'";
$sql .= " OR LCASE(p.sku) = '". $this->core->db->escape(mb_strtolower($data['filter_name'])). "'";
$sql .= " OR LCASE(p.upc) = '". $this->core->db->escape(mb_strtolower($data['filter_name'])). "'";
$sql .= " OR LCASE(p.ean) = '". $this->core->db->escape(mb_strtolower($data['filter_name'])). "'";
$sql .= " OR LCASE(p.jan) = '". $this->core->db->escape(mb_strtolower($data['filter_name'])). "'";
$sql .= " OR LCASE(p.isbn) = '". $this->core->db->escape(mb_strtolower($data['filter_name'])). "'";
$sql .= " OR LCASE(p.mpn) = '". $this->core->db->escape(mb_strtolower($data['filter_name'])). "'";
}

$sql .= ")";
}

if (!empty($data['filter_manufacturer_id'])) {
$sql .= " AND p.manufacturer_id = '". (int)$data['filter_manufacturer_id']. "'";
}

$sql .= " GROUP BY p.product_id";

$sort_data = array(
'pd.name',
'p.model',
'p.quantity',
'p.price',
'rating',
'p.sort_order',
'p.date_added'
);

if (isset($data['sort']) && in_array($data['sort'], $sort_data)) {
if ($data['sort'] == 'pd.name' || $data['sort'] == 'p.model') {
$sql .= " ORDER BY LCASE(". $data['sort']. ")";
} elseif ($data['sort'] == 'p.price') {
$sql .= " ORDER BY (CASE WHEN special IS NOT NULL THEN special WHEN discount IS NOT NULL THEN discount ELSE p.price END)";
} else {
$sql .= " ORDER BY ". $data['sort'];
}
} else {
$sql .= " ORDER BY p.sort_order";
}

if (isset($data['order']) && ($data['order'] == 'DESC')) {
$sql .= " DESC, LCASE(pd.name) DESC";
} else {
$sql .= " ASC, LCASE(pd.name) ASC";
}

if (isset($data['start']) || isset($data['limit'])) {
if ($data['start'] < 0) {
$data['start'] = 0;
}

if ($data['limit'] < 1) {
$data['limit'] = 20;
}

$sql .= " LIMIT ". (int)$data['start']. ",". (int)$data['limit'];
}
$product_row_query = array();
$product_data = array();

$result = $this->core->db->query($sql);

while($products_res_query = $this->core->db->fetchAssoc($result)){
$product_row_query[]= $products_res_query;
}

if($product_row_query){
foreach ($product_row_query as $res_items) {

$product_data[$res_items['pid']] = $this->getProduct($res_items['pid']);
}
}else{ return false; }//getProducts ->NULL

return $product_data;