/**
* Public function that creates a single instance
*/
public static function getInstance()
{
if (!isset(self::$_instance)) {
self::$_instance = new self();
}
return self::$_instance;
}
/**
* Handle item size values tag
*
* @param array $tag_params
* @param array $childen
*/
public function tag_ValueList($tag_params, $children)
{
$manager = ShopItemSizeValuesManager::getInstance();
$conditions = array();
// create conditions
if (isset($tag_params['definition'])) {
$conditions['definition'] = fix_id($tag_params['definition']);
}
// get items from database
$items = $manager->getItems($manager->getFieldNames(), $conditions);
// create template
$template = $this->_parent->loadTemplate($tag_params, 'values_list_item.xml');
$template->setMappedModule($this->name);
// parse template
if (count($items) > 0) {
foreach ($items as $item) {
$params = array('id' => $item->id, 'value' => $item->value, 'item_change' => url_MakeHyperlink($this->_parent->getLanguageConstant('change'), window_Open('shop_item_size_values_change', 370, $this->_parent->getLanguageConstant('title_size_value_change'), true, true, url_Make('transfer_control', 'backend_module', array('module', $this->name), array('backend_action', 'sizes'), array('sub_action', 'value_change'), array('id', $item->id)))), 'item_delete' => url_MakeHyperlink($this->_parent->getLanguageConstant('delete'), window_Open('shop_item_size_values_delete', 400, $this->_parent->getLanguageConstant('title_size_value_delete'), false, false, url_Make('transfer_control', 'backend_module', array('module', $this->name), array('backend_action', 'sizes'), array('sub_action', 'value_delete'), array('id', $item->id)))));
$template->restoreXML();
$template->setLocalParams($params);
$template->parse();
}
}
}
/**
* Show shopping card in form of JSON object
*/
private function json_ShowCart()
{
$manager = ShopItemManager::getInstance();
$values_manager = ShopItemSizeValuesManager::getInstance();
$gallery = class_exists('gallery') ? gallery::getInstance() : null;
$cart = isset($_SESSION['shopping_cart']) ? $_SESSION['shopping_cart'] : array();
$result = array();
// get shopping cart from session
$result['cart'] = array();
$result['size_values'] = array();
$result['count'] = count($result['cart']);
$result['currency'] = $this->getDefaultCurrency();
if (isset($_SESSION['transaction'])) {
$result['shipping'] = $_SESSION['transaction']['shipping'];
$result['handling'] = $_SESSION['transaction']['handling'];
} else {
$result['shipping'] = 0;
$result['handling'] = 0;
}
// colect ids from session
$ids = array_keys($cart);
// get items from database and prepare result
$items = $manager->getItems($manager->getFieldNames(), array('uid' => $ids));
$values = $values_manager->getItems($values_manager->getFieldNames(), array());
if (count($items) > 0) {
foreach ($items as $item) {
// get item image url
$thumbnail_url = !is_null($gallery) ? $gallery->getGroupThumbnailURL($item->gallery) : '';
$uid = $item->uid;
if (array_key_exists($uid, $cart) && count($cart[$uid]['variations']) > 0) {
foreach ($cart[$uid]['variations'] as $variation_id => $properties) {
$new_properties = $properties;
unset($new_properties['count']);
$result['cart'][] = array('name' => $item->name, 'weight' => $item->weight, 'price' => $item->price, 'tax' => $item->tax, 'image' => $thumbnail_url, 'uid' => $item->uid, 'variation_id' => $variation_id, 'count' => $properties['count'], 'properties' => $new_properties);
}
}
}
}
if (count($values) > 0) {
foreach ($values as $value) {
$result['size_values'][$value->id] = array('definition' => $value->definition, 'value' => $value->value);
}
}
print json_encode($result);
}
