/**
* Used by export.php to build the feed required by Twenga.
* See detailed comments in the body of the method
* @see Twenga::preparedValues() to see how needed tags for feed are filled
*/
public function buildXML()
{
// this check if the module is installed and if the site is registered at Twenga
$bool_site_exists = true;
if (self::$obj_twenga->getHashkey() === NULL) {
$this->_errors[] = $this->l('The hash key must be set for used Twenga API.');
$bool_site_exists = false;
}
if ($bool_site_exists) {
try {
$bool_site_exists = self::$obj_twenga->siteExist();
} catch (Exception $e) {
$this->_errors[] = $e->getMessage() . $this->l('Some parameters missing, or the site doesn\'t exist');
$bool_site_exists = false;
}
}
if (!$bool_site_exists) {
return $this->displayErrors();
}
// Now method build the XML
$xmlstr = '<?xml version="1.0" encoding="utf-8"?><catalog></catalog>';
$xml = new SimpleXMLElement($xmlstr);
$parameters = Configuration::getMultiple(array('PS_REWRITING_SETTINGS', 'PS_LANG_DEFAULT', 'PS_SHIPPING_FREE_PRICE', 'PS_SHIPPING_HANDLING', 'PS_SHIPPING_METHOD', 'PS_SHIPPING_FREE_WEIGHT', 'PS_COUNTRY_DEFAULT'));
$lang = (int) $parameters['PS_LANG_DEFAULT'];
$language = new Language($lang);
$carrier = new Carrier(Configuration::get('PS_CARRIER_DEFAULT'), $language->id);
$defaultCountry = new Country(Configuration::get('PS_COUNTRY_DEFAULT'), $language->id);
$link = new Link();
$result = Db::getInstance()->ExecuteS('
SELECT `id_product` FROM `' . _DB_PREFIX_ . 'product` WHERE `active` = 1');
foreach ($result as $k => $row) {
$product = new Product((int) $row['id_product']);
if (Validate::isLoadedObject($product) and $product->active) {
// Check if product declinations exist.
$combinations = $this->getCombinations($product, $lang);
// Set an empty value even no combinations was found to make foreach usable.
if (empty($combinations)) {
$combinations[] = array();
}
foreach ($combinations as $combination) {
// prepared values before insert it in node structure.
// In this way we can structure code with checking method and displaying method for more lisibility.
$product_values = $this->preparedValues($product, $combination, $lang, $link, $carrier);
// create the product node for each products and declinations
$product_node = $xml->addChild('product', '');
// required Fields
$product_node->addChild('product_url', $product_values['product_url']);
$product_node->addChild('designation', '<![CDATA[' . $product_values['designation'] . ']]>');
$product_node->addChild('price', $product_values['price']);
$product_node->addChild('category', '<![CDATA[' . $product_values['category'] . ']]>');
$product_node->addChild('image_url', $product_values['image_url']);
$product_node->addChild('description', '<![CDATA[' . $product_values['description'] . ']]>');
$product_node->addChild('brand', $product_values['brand']);
// optionnals fields
$product_node->addChild('merchant_id', $product_values['merchant_id']);
$product_node->addChild('manufacturer_id', $product_values['manufacturer_id']);
$product_node->addChild('shipping_cost', $product_values['shipping_cost']);
$product_node->addChild('in_stock', $product_values['in_stock']);
$product_node->addChild('stock_detail', $product_values['stock_detail']);
$product_node->addChild('condition', $product_values['condition']);
$product_node->addChild('upc_ean', $product_values['upc_ean']);
$product_node->addChild('product_type', $product_values['product_type']);
$product_node->addChild('isbn', $product_values['isbn']);
$product_node->addChild('eco_tax', $product_values['eco_tax']);
}
}
}
$str_xml = $xml->asXML();
$str_xml = str_replace(array('<![CDATA[', ']]>', ' '), array('<![CDATA[', ']]>', ''), $str_xml);
return $str_xml;
}