/**
* Public function that creates a single instance
*/
public static function getInstance()
{
if (!isset(self::$_instance)) {
self::$_instance = new self();
}
return self::$_instance;
}
/**
* Show page for printing all attached cards with selected text.
*/
private function print_card()
{
$id = fix_id($_REQUEST['transaction']);
$manager = ShopTransactionsManager::getInstance();
$item_manager = ShopItemManager::getInstance();
$transaction_item_manager = ShopTransactionItemsManager::getInstance();
// get transaction with specified id
$transaction = $manager->getSingleItem(array('id'), array('id' => $id));
// ensure transaction is a valid one
if (!is_object($transaction)) {
return;
}
// get items associated with transaction
$transaction_items = $transaction_item_manager->getItems(array('item', 'description'), array('transaction' => $transaction->id));
if (count($transaction_items) == 0) {
return;
}
$id_list = array();
$description_list = array();
foreach ($transaction_items as $item) {
$id_list[] = $item->item;
$description_list[$item->item] = $item->description;
}
// get unique id and gallery
$shop_items = $item_manager->getItems(array('id', 'uid', 'gallery'), array('id' => $id_list));
if (count($shop_items) == 0) {
return;
}
// prepare final list and only include items that are actually known cards
$items = array();
foreach ($shop_items as $item) {
if (!array_key_exists($item->uid, $this->text_position)) {
continue;
}
$position = $this->text_position[$item->uid];
$description = unserialize($description_list[$item->id]);
$data = array('text' => $description['text'], 'top' => $position[0] . '%', 'left' => $position[1] . '%', 'bottom' => $position[2] . '%', 'right' => $position[3] . '%', 'image' => gallery::getGroupImageById($item->gallery));
$items[] = $data;
}
// prepare template
$template = new TemplateHandler('print_card.xml', $this->path . 'templates/');
if (count($items) > 0) {
foreach ($items as $item) {
$template->setLocalParams($item);
$template->restoreXML();
$template->parse();
}
}
}
/**
* Perform manufacturer removal
*/
private function deleteManufacturer_Commit()
{
$id = fix_id($_REQUEST['id']);
$manager = ShopManufacturerManager::getInstance();
$item_manager = ShopItemManager::getInstance();
$manager->deleteData(array('id' => $id));
$item_manager->updateData(array('manufacturer' => 0), array('manufacturer' => $id));
$template = new TemplateHandler('message.xml', $this->path . 'templates/');
$template->setMappedModule($this->name);
$params = array('message' => $this->_parent->getLanguageConstant("message_manufacturer_deleted"), 'button' => $this->_parent->getLanguageConstant("close"), 'action' => window_Close('shop_manufacturer_delete') . ";" . window_ReloadContent('shop_manufacturers'));
$template->restoreXML();
$template->setLocalParams($params);
$template->parse();
}
/**
* Generate unique item Id 13 characters long
*
* @return string
*/
private function generateUID()
{
$manager = ShopItemManager::getInstance();
// generate Id
$uid = uniqid();
// check if it already exists in database
$count = $manager->sqlResult("SELECT count(*) FROM `shop_items` WHERE `uid`='{$uid}'");
if ($count > 0) {
// given how high entropy is we will probably
// never end up calling function again
$uid = $self->generateUID();
}
return $uid;
}
/**
* Handle drawing list of delivery methods
* @param array $tag_params
* @param array $children
*/
public function tag_DeliveryMethodsList($tag_params, $children)
{
$manager = ShopDeliveryMethodsManager::getInstance();
$conditions = array();
$item_id = -1;
$selected = -1;
if (isset($tag_params['item'])) {
$item_id = fix_id($tag_params['item']);
}
if (isset($tag_params['selected'])) {
$selected = fix_id($tag_params['selected']);
}
// delivery method list needs to be filtered by the items in shooping cart
if (isset($tag_params['shopping_cart']) && $tag_params['shopping_cart'] == 1) {
$relations_manager = ShopDeliveryItemRelationsManager::getInstance();
$prices_manager = ShopDeliveryMethodPricesManager::getInstance();
$items_manager = ShopItemManager::getInstance();
$cart = isset($_SESSION['shopping_cart']) ? $_SESSION['shopping_cart'] : array();
$uid_list = array_keys($cart);
if (count($uid_list) == 0) {
return;
}
// shopping cart contains only UIDs, we need IDs
$id_list = array();
$items = $items_manager->getItems(array('id'), array('uid' => $uid_list));
if (count($items) > 0) {
foreach ($items as $item) {
$id_list[] = $item->id;
}
}
// get item relations to delivery methods
$relations = $relations_manager->getItems($relations_manager->getFieldNames(), array('item' => $id_list));
$price_list = array();
$price_count = array();
if (count($relations) > 0) {
foreach ($relations as $relation) {
$price_list[] = $relation->price;
if (!array_key_exists($relation->price, $price_count)) {
$price_count[$relation->price] = 0;
}
// store number of times price is used
$price_count[$relation->price]++;
}
}
$relations = $prices_manager->getItems(array('id', 'method'), array('id' => $price_list));
$method_count = array();
if (count($relations) > 0) {
foreach ($relations as $relation) {
$key = $relation->method;
if (!array_key_exists($key, $method_count)) {
$method_count[$key] = 0;
}
// increase method usage count with number of price usages
$method_count[$key] += $price_count[$relation->id];
}
}
// We compare number of items with method associated with
// that item. Methods that have number same as number of items
// are supported and we include them in list.
$border_count = count($id_list);
$valid_methods = array();
if (count($method_count) > 0) {
foreach ($method_count as $id => $count) {
if ($count == $border_count) {
$valid_methods[] = $id;
}
}
}
if (count($valid_methods) > 0) {
$conditions['id'] = $valid_methods;
} else {
$conditions['id'] = -1;
}
// filter by location
$shop_location = isset($this->_parent->settings['shop_location']) ? $this->_parent->settings['shop_location'] : '';
if (!empty($shop_location)) {
$same_country = $shop_location == $_SESSION['buyer']['country'];
if ($same_country) {
$conditions['domestic'] = 1;
} else {
$conditions['international'] = 1;
}
}
}
// get template
$template = $this->_parent->loadTemplate($tag_params, 'delivery_methods_list_item.xml');
$template->registerTagHandler('_price_list', $this, 'tag_DeliveryPricesList');
// get items from database
$items = $manager->getItems($manager->getFieldNames(), $conditions);
if (count($items) > 0) {
foreach ($items as $item) {
$params = array('id' => $item->id, 'name' => $item->name, 'international' => $item->international, 'international_char' => $item->international ? CHAR_CHECKED : CHAR_UNCHECKED, 'domestic' => $item->domestic, 'domestic_char' => $item->domestic ? CHAR_CHECKED : CHAR_UNCHECKED, 'item' => $item_id, 'selected' => $selected == $item->id ? 1 : 0, 'item_change' => url_MakeHyperlink($this->_parent->getLanguageConstant('change'), window_Open('shop_delivery_method_change', 370, $this->_parent->getLanguageConstant('title_delivery_method_change'), true, true, url_Make('transfer_control', 'backend_module', array('module', $this->name), array('backend_action', 'delivery_methods'), array('sub_action', 'change'), array('id', $item->id)))), 'item_delete' => url_MakeHyperlink($this->_parent->getLanguageConstant('delete'), window_Open('shop_delivery_method_delete', 400, $this->_parent->getLanguageConstant('title_delivery_method_delete'), false, false, url_Make('transfer_control', 'backend_module', array('module', $this->name), array('backend_action', 'delivery_methods'), array('sub_action', 'delete'), array('id', $item->id)))), 'item_prices' => url_MakeHyperlink($this->_parent->getLanguageConstant('prices'), window_Open('shop_delivery_method_prices', 370, $this->_parent->getLanguageConstant('title_delivery_method_prices'), true, false, url_Make('transfer_control', 'backend_module', array('module', $this->name), array('backend_action', 'delivery_methods'), array('sub_action', 'prices'), array('id', $item->id)))));
$template->setLocalParams($params);
$template->restoreXML();
$template->parse();
}
}
}
/**
* Handle request for JSON object
*/
public function json_GetItem()
{
$uid = isset($_REQUEST['uid']) ? fix_chars($_REQUEST['uid']) : null;
$manager = ShopItemManager::getInstance();
// prepare result
$result = array('error' => false, 'error_message' => '', 'item' => array());
if (!is_null($uid)) {
// create conditions
$conditions = array('uid' => $uid, 'deleted' => 0, 'visible' => 1);
$item = $manager->getSingleItem($manager->getFieldNames(), $conditions);
if (is_object($item)) {
// get item image url
$thumbnail_url = null;
if (class_exists('gallery')) {
$gallery = gallery::getInstance();
$thumbnail_url = $gallery->getGroupThumbnailURL($item->gallery);
}
$rating = 0;
$result['item'] = array('id' => $item->id, 'uid' => $item->uid, 'name' => $item->name, 'description' => $item->description, 'gallery' => $item->gallery, 'views' => $item->views, 'price' => $item->price, 'tax' => $item->tax, 'weight' => $item->weight, 'votes_up' => $item->votes_up, 'votes_down' => $item->votes_down, 'rating' => $rating, 'priority' => $item->priority, 'timestamp' => $item->timestamp, 'thumbnail' => $thumbnail_url);
} else {
// there was a problem with reading item from database
$result['error'] = true;
$result['error_message'] = $this->_parent->getLanguageConstant('message_error_getting_item');
}
} else {
// invalid ID was specified
$result['error'] = true;
$result['error_message'] = $this->_parent->getLanguageConstant('message_error_invalid_id');
}
// create JSON object and print it
define('_OMIT_STATS', 1);
print json_encode($result);
}
/**
* Handle drawing list of items in transaction
*/
public function tag_TransactionItemList($tag_params, $children)
{
$manager = ShopTransactionItemsManager::getInstance();
$item_manager = ShopItemManager::getInstance();
$transaction_manager = ShopTransactionsManager::getInstance();
$currency_manager = ShopCurrenciesManager::getInstance();
$id = null;
if (isset($tag_params['id'])) {
// get id from tag params
$id = fix_id($tag_params['id']);
} else {
if (isset($_REQUEST['id'])) {
// get id from request params
$id = fix_id($_REQUEST['id']);
}
}
// if we don't have transaction Id, get out
if (is_null($id)) {
return;
}
$currency_id = $transaction_manager->getItemValue('currency', array('id' => $id));
$currency = $currency_manager->getItemValue('currency', array('id' => $currency_id));
// get items from database
$items = array();
$raw_items = $manager->getItems($manager->getFieldNames(), array('transaction' => $id));
if (count($raw_items) > 0) {
foreach ($raw_items as $item) {
$items[$item->item] = array('id' => $item->id, 'price' => $item->price, 'tax' => $item->tax, 'amount' => $item->amount, 'description' => $item->description, 'uid' => '', 'name' => '', 'gallery' => '', 'manufacturer' => '', 'author' => '', 'views' => '', 'weight' => '', 'votes_up' => '', 'votes_down' => '', 'timestamp' => '', 'priority' => '', 'visible' => '', 'deleted' => '', 'total' => ($item->price + $item->price * ($item->tax / 100)) * $item->amount, 'currency' => $currency);
}
}
// get the rest of item details from database
$id_list = array_keys($items);
$raw_items = $item_manager->getItems($item_manager->getFieldNames(), array('id' => $id_list));
if (count($raw_items) > 0) {
foreach ($raw_items as $item) {
$id = $item->id;
$items[$id]['uid'] = $item->uid;
$items[$id]['name'] = $item->name;
$items[$id]['gallery'] = $item->gallery;
$items[$id]['manufacturer'] = $item->manufacturer;
$items[$id]['author'] = $item->author;
$items[$id]['views'] = $item->views;
$items[$id]['weight'] = $item->weight;
$items[$id]['votes_up'] = $item->votes_up;
$items[$id]['votes_down'] = $item->votes_down;
$items[$id]['timestamp'] = $item->timestamp;
$items[$id]['priority'] = $item->priority;
$items[$id]['visible'] = $item->visible;
$items[$id]['deleted'] = $item->deleted;
}
}
if (count($items) > 0) {
$template = $this->_parent->loadTemplate($tag_params, 'transaction_details_item.xml');
foreach ($items as $id => $params) {
$template->setLocalParams($params);
$template->restoreXML();
$template->parse();
}
}
}
/**
* Handle drawing checkout items
*
* @param array $tag_params
* @param array $children
*/
public function tag_CheckoutItems($tag_params, $children)
{
global $language;
$manager = ShopItemManager::getInstance();
$cart = isset($_SESSION['shopping_cart']) ? $_SESSION['shopping_cart'] : array();
$ids = array_keys($cart);
// get items from database
$items = $manager->getItems($manager->getFieldNames(), array('uid' => $ids));
$items_by_uid = array();
$items_for_checkout = array();
// parse items from database
foreach ($items as $item) {
$db_item = array('name' => $item->name, 'price' => $item->price, 'tax' => $item->tax, 'weight' => $item->weight);
$items_by_uid[$item->uid] = $db_item;
}
// prepare items for checkout
foreach ($cart as $uid => $item) {
if (count($item['variations']) > 0) {
foreach ($item['variations'] as $variation_id => $data) {
// add items to checkout list
$properties = $data;
foreach ($this->excluded_properties as $key) {
if (isset($properties[$key])) {
unset($properties[$key]);
}
}
$new_item = $items_by_uid[$uid];
$new_item['count'] = $data['count'];
$new_item['description'] = implode(', ', array_values($properties));
$new_item['total'] = number_format($new_item['price'] * (1 + $new_item['tax'] / 100) * $new_item['count'], 2);
$new_item['tax'] = number_format($new_item['price'], 2);
$new_item['price'] = number_format($new_item['tax'], 2);
$new_item['weight'] = number_format($new_item['weight'], 2);
// add item to the list
$items_for_checkout[] = $new_item;
}
}
}
// load template
$template = $this->loadTemplate($tag_params, 'checkout_form_item.xml');
// parse template
if (count($items_for_checkout) > 0) {
foreach ($items_for_checkout as $params) {
$template->setLocalParams($params);
$template->restoreXML();
$template->parse();
}
}
}