OpenCart 🇺🇦

$sql = "SELECT *, CONCAT(r.firstname, ' ', r.lastname) AS customer, (SELECT rs.name FROM " . DB_PREFIX . "return_status rs WHERE rs.return_status_id = r.return_status_id AND rs.language_id = '" . (int)$this->config->get('config_language_id') . "') AS status FROM `" . DB_PREFIX . "return` r";

$implode = array();

if (!empty($data['filter_return_id'])) {
	$implode[] = "r.return_id = '" . (int)$data['filter_return_id'] . "'";
}

if (!empty($data['filter_order_id'])) {
	$implode[] = "r.order_id = '" . (int)$data['filter_order_id'] . "'";
}

if (!empty($data['filter_customer'])) {
	$implode[] = "CONCAT(r.firstname, ' ', r.lastname) LIKE '" . $this->db->escape($data['filter_customer']) . "%'";
}

if (!empty($data['filter_product'])) {
	$implode[] = "r.product = '" . $this->db->escape($data['filter_product']) . "'";
}	

if (!empty($data['filter_model'])) {
	$implode[] = "r.model = '" . $this->db->escape($data['filter_model']) . "'";
}	

if (!empty($data['filter_return_status_id'])) {
	$implode[] = "r.return_status_id = '" . (int)$data['filter_return_status_id'] . "'";
}	

if (!empty($data['filter_date_added'])) {
	$implode[] = "DATE(r.date_added) = DATE('" . $this->db->escape($data['filter_date_added']) . "')";
}

if (!empty($data['filter_date_modified'])) {
	$implode[] = "DATE(r.date_modified) = DATE('" . $this->db->escape($data['filter_date_modified']) . "')";
}

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

$sort_data = array(
	'r.return_id',
	'r.order_id',
	'customer',
	'r.product',
	'r.model',
	'status',
	'r.date_added',
	'r.date_modified'
);	

if (isset($data['sort']) && in_array($data['sort'], $sort_data)) {
	$sql .= " ORDER BY " . $data['sort'];	
} else {
	$sql .= " ORDER BY r.return_id";	
}

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

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

return $query->rows;