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<?php
class ModelExtensionModuleOcProduct extends Model {
	public function getMostViewedProductsCategory($limit,$category_id) {
		$product_data = array();
		
		$query = $this->db->query("
		SELECT p.product_id 
		FROM " . DB_PREFIX . "product p 
		LEFT JOIN " . DB_PREFIX . "product_to_store p2s 
		ON (p.product_id = p2s.product_id) 
		LEFT JOIN `" . DB_PREFIX . "product_to_category` ptc
		ON (p.product_id = ptc.product_id) 
		WHERE p.status = '1' AND p.date_available <= NOW() AND ptc.category_id= '".(int)$category_id."'
		AND p2s.store_id = '" . (int)$this->config->get('config_store_id') . "' 
		ORDER BY p.viewed DESC 
		LIMIT " . (int)$limit);
		
		foreach ($query->rows as $result) { 		
			$product_data[$result['product_id']] = $this->getProduct($result['product_id']);
		}
					 	 		
		return $product_data;
	}
	public function getBestSellerProductsCategory($limit,$category_id) {
	  $product_data = $this->cache->get('product.bestseller.' . $category_id . '.' . (int)$this->config->get('config_language_id') . '.' . (int)$this->config->get('config_store_id') . '.' . $this->config->get('config_customer_group_id') . '.' . (int)$limit);

if (!$product_data) {
	   $product_data = array();

$query = $this->db->query("
	   SELECT op.product_id, SUM(op.quantity) AS total 
	   FROM " . DB_PREFIX . "order_product op 
	   LEFT JOIN `" . DB_PREFIX . "order` o 
	   ON (op.order_id = o.order_id) 
	   LEFT JOIN `" . DB_PREFIX . "product` p 
	   ON (op.product_id = p.product_id) 
	   LEFT JOIN `" . DB_PREFIX . "product_to_category` ptc
	   ON op.product_id = ptc.product_id
	   LEFT JOIN " . DB_PREFIX . "product_to_store p2s ON (p.product_id = p2s.product_id) 
	   WHERE o.order_status_id > '0' 
	   AND ptc.category_id= '".(int)$category_id."'
	   AND p.status = '1' 
	   AND p.date_available <= NOW() 
	   AND p2s.store_id = '" . (int)$this->config->get('config_store_id') . "' 
	   GROUP BY op.product_id 
	   ORDER BY total DESC 
	   LIMIT " . (int)$limit);

foreach ($query->rows as $result) {
		$product_data[$result['product_id']] = $this->getProduct($result['product_id']);
	   }

$this->cache->set('product.bestseller.' . $category_id . '.' . (int)$this->config->get('config_language_id') . '.' . (int)$this->config->get('config_store_id') . '.' . $this->config->get('config_customer_group_id') . '.' . (int)$limit, $product_data);
	  }

return $product_data;
	 }
	public function getProductSpecialsCategory($data = array(),$category_id) {
		$sql = "SELECT DISTINCT ps.product_id, (
		SELECT AVG(rating) FROM " . DB_PREFIX . "review r1 
		WHERE r1.product_id = ps.product_id AND r1.status = '1' 
		GROUP BY r1.product_id) AS rating 
		FROM " . DB_PREFIX . "product_special ps 
		LEFT JOIN " . DB_PREFIX . "product p ON (ps.product_id = p.product_id) 
		LEFT JOIN `" . DB_PREFIX . "product_to_category` ptc
		ON (p.product_id = ptc.product_id) 
		LEFT JOIN " . DB_PREFIX . "product_description pd ON (p.product_id = pd.product_id) 
		LEFT JOIN " . DB_PREFIX . "product_to_store p2s ON (p.product_id = p2s.product_id) 
		WHERE p.status = '1' AND p.date_available <= NOW() AND ptc.category_id= '".(int)$category_id."' AND p2s.store_id = '" . (int)$this->config->get('config_store_id') . "' AND ps.customer_group_id = '" . (int)$this->config->get('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())) 
		GROUP BY ps.product_id";

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

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'] . ")";
			} 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_data = array();

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

foreach ($query->rows as $result) {
			$product_data[$result['product_id']] = $this->getProduct($result['product_id']);
		}

return $product_data;
	}

public function getDealProducts($limit) {
		$sql = "SELECT DISTINCT ps.product_id, (SELECT AVG(rating) FROM " . DB_PREFIX . "review r1 WHERE r1.product_id = ps.product_id AND r1.status = '1' GROUP BY r1.product_id) AS rating FROM " . DB_PREFIX . "product_special ps LEFT JOIN " . DB_PREFIX . "product p ON (ps.product_id = p.product_id) LEFT JOIN " . DB_PREFIX . "product_description pd ON (p.product_id = pd.product_id) LEFT JOIN " . DB_PREFIX . "product_to_store p2s ON (p.product_id = p2s.product_id) WHERE p.status = '1' AND p.date_available <= NOW() AND p2s.store_id = '" . (int)$this->config->get('config_store_id') . "' AND ps.customer_group_id = '" . (int)$this->config->get('config_customer_group_id') . "' AND ((ps.date_start > '0000-00-00' OR ps.date_start < NOW()) AND (ps.date_end > NOW())) GROUP BY ps.product_id";

$sql .= " LIMIT " . (int) $limit;

$product_data = array();
        $query = $this->db->query($sql);

foreach ($query->rows as $result) {
            $product_data[$result['product_id']] = $this->getProduct($result['product_id']);
        }

return $product_data;
	}

public function getProductsDealCategory($data = array(),$category_id) {
		$sql = "SELECT DISTINCT ps.product_id, (
		SELECT AVG(rating) FROM " . DB_PREFIX . "review r1 
		WHERE r1.product_id = ps.product_id AND r1.status = '1' 
		GROUP BY r1.product_id) AS rating 
		FROM " . DB_PREFIX . "product_special ps 
		LEFT JOIN " . DB_PREFIX . "product p ON (ps.product_id = p.product_id) 
		LEFT JOIN `" . DB_PREFIX . "product_to_category` ptc
		ON (p.product_id = ptc.product_id) 
		LEFT JOIN " . DB_PREFIX . "product_description pd ON (p.product_id = pd.product_id) 
		LEFT JOIN " . DB_PREFIX . "product_to_store p2s ON (p.product_id = p2s.product_id) 
		WHERE p.status = '1' AND p.date_available <= NOW() AND ptc.category_id= '".(int)$category_id."' AND p2s.store_id = '" . (int)$this->config->get('config_store_id') . "' AND ps.customer_group_id = '" . (int)$this->config->get('config_customer_group_id') . "' AND ((ps.date_start > '0000-00-00' OR ps.date_start < NOW()) AND (ps.date_end > NOW()))
		GROUP BY ps.product_id";

$sort_data = array(
			'pd.name',
			'p.model',
			'ps.price',
			'rating',
			'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_data = array();

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

foreach ($query->rows as $result) {
			$product_data[$result['product_id']] = $this->getProduct($result['product_id']);
		}

return $product_data;
	}

public function getProduct($product_id) {
		if ($this->customer->isLogged()) {
			$customer_group_id = $this->customer->getGroupId();
		} 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') . "'");
		
		if ($query->num_rows) {
			$query->row['price'] = ($query->row['discount'] ? $query->row['discount'] : $query->row['price']);
			$query->row['rating'] = (int)$query->row['rating'];
			
			return $query->row;
		} else {
			return false;
		}
	}
	public function getSpecialCountdown($product_id) {
        if ($this->customer->isLogged()) {
            $customer_group_id = $this->customer->getGroupId();
        } else {
            $customer_group_id = $this->config->get('config_customer_group_id');
        }
        $query = $this->db->query("SELECT date_end FROM " . DB_PREFIX . "product_special ps WHERE ps.product_id = '" . (int)$product_id . "' AND ps.customer_group_id = '" . (int)$customer_group_id . "' AND ((ps.date_start = '0000-00-00' OR ps.date_start < NOW()) AND (ps.date_end = '0000-00-00' OR ps.date_end > NOW())) ORDER BY ps.priority ASC, ps.price ASC LIMIT 1");
        if (!isset($query->row['date_end']) || $query->row['date_end'] === '0000-00-00') {
            return false;
        }
        return date('D M d Y H:i:s O', strtotime($query->row['date_end']));
    }
}