/**
* Calculate taxes on list of products
*
* @param $products Array of products
* @param $source Source of tax calculation (final_price '1', product_price '2', orderitem_price '3')
* @param $billing_address Actual customer's billing address
* @param $shipping_address Actual customer's shipping address
* @param $tax_type for the future use
*
* @return Associative array with indexes product_id of products with arrays with list of their tax rates (names and rates)
*/
public static function calculateTax($products, $source = 1, $billing_address = null, $shipping_address = null, $tax_type = null)
{
$result = new stdClass();
$result->tax_total = 0.0;
$result->tax_rate_rates = array();
$result->tax_class_rates = array();
$result->product_taxes = array();
if (!is_array($products)) {
return $result;
}
Tienda::load('TiendaHelperShipping', 'helpers.shipping');
Tienda::load('TiendaQuery', 'library.query');
Tienda::load('TiendaTools', 'library.tools');
if ($billing_address) {
$billing_zones = TiendaHelperShipping::getGeoZones($billing_address->zone_id, '1', $billing_address->postal_code);
} else {
$billing_zones = array();
}
if (!empty($billing_zones)) {
foreach ($billing_zones as $key => $value) {
$billing_zones[$key] = $value->geozone_id;
}
}
//load the default geozones when user is logged out and the config is to show tax
if (empty($billing_zones)) {
$geozones = TiendaHelperUser::getGeoZones(JFactory::getUser()->id);
if (empty($geozones)) {
// use the default
$billing_zones = array(Tienda::getInstance()->get('default_tax_geozone'));
} else {
foreach ($geozones as $key => $value) {
$billing_zones[$key] = $value->geozone_id;
}
}
}
return TiendaHelperTax::calculateGeozonesTax($products, $source, $billing_zones);
}
/**
* Calculates the tax totals for the order
* using the array of items in the order object
*
* @return unknown_type
*/
function calculateTaxTotals()
{
$config = Tienda::getInstance();
$show_tax = $config->get('display_prices_with_tax');
$calc_tax_shipping = $config->get('calc_tax_shipping');
Tienda::load("TiendaHelperTax", 'helpers.tax');
$this->_taxrate_amounts = array();
$this->_taxclass_amounts = array();
$items = $this->getItems();
$shipping_address = $this->getShippingAddress();
$billing_address = $this->getBillingAddress();
if ($calc_tax_shipping) {
$taxes = TiendaHelperTax::calculateTax($items, 1, $shipping_address, $shipping_address);
} else {
$taxes = TiendaHelperTax::calculateTax($items, 1, $billing_address, $shipping_address);
}
foreach ($items as $item) {
$item->orderitem_tax = $taxes->product_taxes[$item->product_id];
if ($show_tax) {
$item->orderitem_final_price += $item->orderitem_tax;
}
}
foreach (@$taxes->tax_rate_rates as $key => $value) {
$applied_tax = $value->applied_tax;
// add this as one of the taxrates applicable to this order
if (empty($this->_taxrates[$key])) {
$this->_taxrates[$key] = $value;
}
// track the total amount of tax applied to this order for this taxrate
if (empty($this->_taxrate_amounts[$key])) {
$this->_taxrate_amounts[$key] = 0;
}
$this->_taxrate_amounts[$key] += $applied_tax;
}
foreach (@$taxes->tax_class_rates as $key => $value) {
$applied_tax = $value->applied_tax;
// add this as one of the taxclasses applicable to this order
if (empty($this->_taxclasses[$key])) {
$this->_taxclasses[$key] = $value;
}
// track the total amount of tax applied to this order for this taxclass
if (empty($this->_taxclass_amounts[$key])) {
$this->_taxclass_amounts[$key] = 0;
}
$this->_taxclass_amounts[$key] += $applied_tax;
}
$this->order_tax = $taxes->tax_total;
// Allow tax calculation to be modified via plugins
$dispatcher = JDispatcher::getInstance();
$dispatcher->trigger("onCalculateTaxTotals", array($this));
}
/**
*
* Method to check config, user group and product state (if recurs).
* Then get right values accordingly
* @param array $items - cart items
* @param boolean - config to show tax or not
* @return object
*/
function checkItems(&$items, $show_tax = false)
{
if (empty($items)) {
return array();
}
Tienda::load('TiendaHelperUser', 'helpers.user');
Tienda::load("TiendaHelperProduct", 'helpers.product');
Tienda::load('TiendaHelperTax', 'helpers.tax');
if ($show_tax) {
$taxes = TiendaHelperTax::calculateTax($items, 1);
}
$subtotal = 0;
foreach ($items as $item) {
if ($show_tax) {
$item->product_price = $item->product_price + $taxes->product_taxes[$item->product_id];
$item->taxtotal = $taxes->product_taxes[$item->product_id];
}
$item->subtotal = $item->product_price * $item->product_qty;
$subtotal = $subtotal + $item->subtotal;
}
$cartObj = new stdClass();
$cartObj->items = $items;
$cartObj->subtotal = $subtotal;
return $cartObj;
}
public function deleteCartItem()
{
$response = new stdClass();
$response->html = '';
$response->error = false;
$user = JFactory::getUser();
$model = $this->getModel('carts');
$table = $model->getTable();
$id = JRequest::getInt('cartitem_id');
$keys = array('user_id' => $user->id, 'cart_id' => $id);
$table->load($keys);
if (!empty($table->cart_id)) {
if ($table->delete()) {
$response->html = JText::_('COM_TIENDA_CARTITEM_DELETED');
} else {
$response->html = JText::_('COM_TIENDA_DELETE_FAILED');
$response->error = true;
}
} else {
$response->html = JText::_('COM_TIENDA_INVALID_REQUEST');
$response->error = true;
}
// we deleted the item so we have to recalculate the subtotal
$response->subtotal = 0;
if ($response->error == false) {
$show_tax = $this->defines->get('display_prices_with_tax');
$model = $this->getModel($this->get('suffix'));
$this->_setModelState();
$items = $model->getList();
Tienda::load('TiendaHelperUser', 'helpers.user');
Tienda::load('TiendaHelperTax', 'helpers.tax');
if ($show_tax) {
$taxes = TiendaHelperTax::calculateTax($items, 2);
}
foreach ($items as $item) {
if ($show_tax) {
$item->product_price += $taxes->product_taxes[$item->product_id];
}
$response->subtotal += $item->product_price * $item->product_qty;
}
$response->subtotal = TiendaHelperBase::currency($response->subtotal);
}
echo json_encode($response);
return;
}
/**
* Prepares data for and returns the html of the order summary layout.
* This assumes that $this->_order has already had its properties set
*
* @return unknown_type
*/
public function getOrderSummary($layout = 'cart')
{
// get the order object
$order = $this->_order;
// a TableOrders object (see constructor)
Tienda::load('TiendaHelperCoupon', 'helpers.coupon');
// Coupons
$coupons_id = array();
$coupons = $order->getCoupons();
foreach ($coupons as $cg) {
foreach ($cg as $c) {
if ($c->coupon_type == '1') {
$coupons_id = array_merge($coupons_id, TiendaHelperCoupon::getCouponProductIds(@$c->coupon_id));
}
}
}
$model = $this->getModel('carts');
$user = $this->user;
$model->setState('filter_user', $user->id);
$view = $this->getView($this->get('suffix'), 'html');
$view->set('_controller', $this->get('suffix'));
$view->set('_view', $this->get('suffix'));
$view->set('_doTask', true);
$view->set('hidemenu', true);
$view->setModel($model, true);
$view->assign('state', $model->getState());
$view->assign('coupons', $coupons_id);
$config = $this->defines;
$show_tax = $config->get('display_prices_with_tax');
$view->assign('show_tax', $show_tax);
$view->assign('using_default_geozone', false);
$view->assign('order', $order);
Tienda::load("TiendaHelperBase", 'helpers._base');
$product_helper = TiendaHelperBase::getInstance('Product');
$order_helper = TiendaHelperBase::getInstance('Order');
$tax_sum = 0;
$orderitems = $order->getItems();
$taxes = TiendaHelperTax::calculateTax($orderitems, 4, $order->getBillingAddress(), $order->getShippingAddress());
foreach ($orderitems as $item) {
$item->price = $item->orderitem_final_price / $item->orderitem_quantity;
if ($show_tax) {
$order->order_subtotal += $item->orderitem_tax;
}
}
$view->assign('orderitems', $orderitems);
// Checking whether shipping is required
$showShipping = false;
$cartsModel = $this->getModel('carts');
if ($isShippingEnabled = $cartsModel->getShippingIsEnabled()) {
$showShipping = true;
$view->assign('shipping_total', $order->getShippingTotal());
}
$view->assign('showShipping', $showShipping);
//START onDisplayOrderItem: trigger plugins for extra orderitem information
if (!empty($orderitems)) {
$onDisplayOrderItem = $order_helper->onDisplayOrderItems($orderitems);
$view->assign('onDisplayOrderItem', $onDisplayOrderItem);
}
//END onDisplayOrderItem
$coupons_present = false;
$model = JModel::getInstance('Coupons', 'TiendaModel');
$model->setState('filter_enabled', '1');
if ($coupons = $model->getList()) {
$coupons_present = true;
}
$view->assign('coupons_present', $coupons_present);
$view->setLayout($layout);
$view->setTask(true);
ob_start();
$view->display();
$html = ob_get_contents();
ob_end_clean();
return $html;
}
/**
* Gets a product's related items
* formatted for display
*
* @param int $address_id
* @return string html
*/
function getRelationshipsHtml($view, $product_id, $relation_type = 'relates')
{
$html = '';
$validation = "";
// get the list
JModel::addIncludePath(JPATH_ADMINISTRATOR . '/components/com_tienda/models');
$model = JModel::getInstance('ProductRelations', 'TiendaModel');
$model->setState('filter_relation', $relation_type);
$user = JFactory::getUser();
$model->setState('filter_group', $relation_type);
switch ($relation_type) {
case "requires":
$model->setState('filter_product_from', $product_id);
$check_quantity = false;
$layout = 'product_requirements';
break;
case "parent":
case "child":
case "children":
$model->setState('filter_product_from', $product_id);
$check_quantity = true;
$validation = "index.php?option=com_tienda&view=products&task=validateChildren&format=raw";
$layout = 'product_children';
break;
case "relates":
$model->setState('filter_product', $product_id);
$check_quantity = false;
$layout = 'product_relations';
break;
default:
return $html;
break;
}
$query = $model->getQuery();
$query->order('p_from.ordering ASC, p_to.ordering ASC');
if ($items = $model->getList()) {
$filter_category = $model->getState('filter_category', JRequest::getVar('filter_category'));
if (empty($filter_category)) {
$categories = Tienda::getClass('TiendaHelperProduct', 'helpers.product')->getCategories($product_id);
if (!empty($categories)) {
$filter_category = $categories[0];
}
}
$userId = JFactory::getUser()->id;
$config = Tienda::getInstance();
$show_tax = $config->get('display_prices_with_tax');
Tienda::load('TiendaHelperTax', 'helpers.tax');
if ($show_tax) {
$taxes = TiendaHelperTax::calculateTax($items, 2);
}
foreach ($items as $key => $item) {
if ($check_quantity) {
// TODO Unset $items[$key] if
// this is out of stock &&
// check_inventory &&
// item for sale
}
if ($item->product_id_from == $product_id) {
// display the _product_to
$item->product_id = $item->product_id_to;
$item->product_name = $item->product_name_to;
$item->product_model = $item->product_model_to;
$item->product_sku = $item->product_sku_to;
$item->product_price = $item->product_price_to;
} else {
// display the _product_from
$item->product_id = $item->product_id_from;
$item->product_name = $item->product_name_from;
$item->product_model = $item->product_model_from;
$item->product_sku = $item->product_sku_from;
$item->product_price = $item->product_price_from;
}
$itemid = Tienda::getClass("TiendaHelperRoute", 'helpers.route')->product($item->product_id, $filter_category, true);
$item->itemid = JRequest::getInt('Itemid', $itemid);
$item->tax = 0;
if ($show_tax) {
$tax = $taxes->product_taxes[$item->product_id];
$item->taxtotal = $tax;
$item->tax = $tax;
}
}
} else {
return '';
}
$view->setModel($model, true);
$lyt = $view->getLayout();
$view->setLayout($layout);
$product_relations = new stdClass();
$product_relations->items = $items;
$product_relations->product_id = $product_id;
$product_relations->show = $product_id;
$product_relations->filter_category = $filter_category;
$product_relations->validation = $validation;
$product_relations->show_tax = $show_tax;
$view->product_relations_data = $product_relations;
ob_start();
$view->display();
$html = ob_get_contents();
ob_end_clean();
unset($view->product_relations_data);
$view->setLayout($lyt);
return $html;
}
function getOrderSummary(&$order)
{
$model = $this->getModel('carts');
JLoader::register("TiendaViewPOS", JPATH_ADMINISTRATOR . "/components/com_tienda/views/pos/view.html.php");
$view = new TiendaViewPOS();
$view->set('_controller', 'pos');
$view->set('_view', 'pos');
$view->set('_doTask', true);
$view->set('hidemenu', false);
$view->setModel($model, true);
$view->assign('state', $model->getState());
$config = Tienda::getInstance();
$show_tax = $config->get('display_prices_with_tax');
$view->assign('show_tax', $show_tax);
$view->assign('using_default_geozone', false);
$view->assign('order', $order);
$orderitems = $order->getItems();
Tienda::load("TiendaHelperTax", 'helpers.tax');
if ($show_tax) {
$geozones = $order->getBillingGeoZones();
if (empty($geozones)) {
// use the default
$view->assign('using_default_geozone', true);
$geozones = array($config->get('default_tax_geozone'));
} else {
foreach ($geozones as $key => $value) {
$geozones[$key] = $value->geozone_id;
}
}
$taxes = TiendaHelperTax::calculateGeozonesTax($orderitems, 4, $geozones);
}
$product_helper = TiendaHelperBase::getInstance('Product');
$order_helper = TiendaHelperBase::getInstance('Order');
$showShipping = false;
$tax_sum = 0;
$notfoundShipping = true;
foreach ($orderitems as &$item) {
//check shipping if required
if ($notfoundShipping && ($isShippingEnabled = $product_helper->isShippingEnabled($item->product_id))) {
$showShipping = true;
$notfoundShipping = false;
}
if ($show_tax) {
$item->price = $item->orderitem_price + floatval($item->orderitem_attributes_price) + $taxes->product_taxes[$item->product_id];
$item->orderitem_final_price = $item->price * $item->orderitem_quantity;
$order->order_subtotal += $taxes->product_taxes[$item->product_id] * $item->orderitem_quantity;
} else {
$item->price = $item->orderitem_price + floatval($item->orderitem_attributes_price);
}
}
$view->assign('orderitems', $orderitems);
if ($showShipping) {
$view->assign('shipping_total', $order->getShippingTotal());
$view->assign('showShipping', $showShipping);
}
//START onDisplayOrderItem: trigger plugins for extra orderitem information
if (!empty($orderitems)) {
$onDisplayOrderItem = $order_helper->onDisplayOrderItems($orderitems);
$view->assign('onDisplayOrderItem', $onDisplayOrderItem);
}
//END onDisplayOrderItem
$view->setLayout('ordersummary');
ob_start();
$view->display();
$html = ob_get_contents();
ob_end_clean();
return $html;
}
/**
* Get the cart button form for a specific product
*
* @param int $product_id The id of the product
* @return html The add to cart form
*/
public static function getCartButton($product_id, $layout = 'product_buy', $values = array(), &$callback_js = '')
{
if (is_array($values) && !count($values)) {
$values = JRequest::get('request');
}
$html = '';
$page = JRequest::getVar('page', 'product');
$isPOS = $page == 'pos';
if ($isPOS) {
JLoader::register("TiendaViewPOS", JPATH_ADMINISTRATOR . "/components/com_tienda/views/pos/view.html.php");
$view = new TiendaViewPOS();
} else {
JLoader::register("TiendaViewProducts", JPATH_SITE . "/components/com_tienda/views/products/view.html.php");
$view = new TiendaViewProducts();
}
$model = JModel::getInstance('Products', 'TiendaModel');
$model->setId($product_id);
$model->setState('task', 'product_buy');
Tienda::load('TiendaHelperBase', 'helpers._base');
$helper_product = TiendaHelperBase::getInstance('Product');
Tienda::load('TiendaHelperUser', 'helpers.user');
$user_id = JFactory::getUser()->id;
if ($isPOS) {
$user_id = JRequest::getInt('user_id', $user_id);
}
$filter_group = TiendaHelperUser::getUserGroup($user_id, $product_id);
$qty = isset($values['product_qty']) && !empty($values['product_qty']) ? $values['product_qty'] : 1;
$model->setState('filter_group', $filter_group);
$model->setState('product.qty', $qty);
$model->setState('user.id', $user_id);
$row = $model->getItem(false, true, false);
if ($row->product_notforsale || Tienda::getInstance()->get('shop_enabled') == '0') {
return $html;
}
// This enable this helper method to be used outside of tienda
if ($isPOS) {
$view->set('_controller', 'pos');
$view->set('_view', 'pos');
} else {
$view->addTemplatePath(JPATH_SITE . '/components/com_tienda/views/products/tmpl');
$view->addTemplatePath(JPATH_SITE . '/templates/' . JFactory::getApplication('site')->getTemplate() . '/html/com_tienda/products/');
// add extra templates
$view->addTemplatePath(Tienda::getPath('product_buy_templates'));
$view->set('_controller', 'products');
$view->set('_view', 'products');
}
$view->set('_doTask', true);
$view->set('hidemenu', true);
$view->setModel($model, true);
$view->setLayout($layout);
$view->product_id = $product_id;
$view->values = $values;
$filter_category = $model->getState('filter_category', JRequest::getInt('filter_category', (int) @$values['filter_category']));
$view->filter_category = $filter_category;
if ($isPOS) {
$view->validation = "index.php?option=com_tienda&view=pos&task=validate&format=raw";
} else {
$view->validation = "index.php?option=com_tienda&view=products&task=validate&format=raw";
}
$config = Tienda::getInstance();
// TODO What about this??
$show_shipping = $config->get('display_prices_with_shipping');
if ($show_shipping) {
$article_link = $config->get('article_shipping', '');
$shipping_cost_link = JRoute::_('index.php?option=com_content&view=article&id=' . $article_link);
$view->shipping_cost_link = $shipping_cost_link;
}
$quantity_min = 1;
if ($row->quantity_restriction) {
$quantity_min = $row->quantity_min;
}
$invalidQuantity = '0';
$attributes = array();
$attr_orig = array();
if (empty($values)) {
$product_qty = $quantity_min;
// get the default set of attribute_csv
if (!isset($row->default_attributes)) {
$default_attributes = $helper_product->getDefaultAttributes($product_id);
} else {
$default_attributes = $row->default_attributes;
}
sort($default_attributes);
$attributes_csv = implode(',', $default_attributes);
$availableQuantity = $helper_product->getAvailableQuantity($product_id, $attributes_csv);
if ($availableQuantity->product_check_inventory && $product_qty > $availableQuantity->quantity) {
$invalidQuantity = '1';
}
$attr_orig = $attributes = $default_attributes;
} else {
$product_qty = !empty($values['product_qty']) ? (int) $values['product_qty'] : $quantity_min;
// TODO only display attributes available based on the first selected attribute?
foreach ($values as $key => $value) {
if (substr($key, 0, 10) == 'attribute_') {
if (empty($value)) {
$attributes[$key] = 0;
} else {
$attributes[$key] = $value;
}
}
}
if (!count($attributes)) {
// no attributes are selected -> use default
if (!isset($row->default_attributes)) {
$attributes = $helper_product->getDefaultAttributes($product_id);
} else {
$attributes = $row->default_attributes;
}
}
$attr_orig = $attributes;
sort($attributes);
// Add 0 to attributes to include all the root attributes
//$attributes[] = 0;//remove this one. its causing the getAvailableQuantity to not get quantity because of wrong csv
// For getting child opts
$view->selected_opts = json_encode(array_merge($attributes, array('0')));
$attributes_csv = implode(',', $attributes);
// Integrity checks on quantity being added
if ($product_qty < 0) {
$product_qty = '1';
}
// using a helper file to determine the product's information related to inventory
$availableQuantity = $helper_product->getAvailableQuantity($product_id, $attributes_csv);
if ($availableQuantity->product_check_inventory && $product_qty > $availableQuantity->quantity) {
$invalidQuantity = '1';
}
}
// adjust the displayed price based on the selected or default attributes
TiendaHelperProduct::calculateProductAttributeProperty($row, $attr_orig, 'price', 'product_weight');
$show_tax = $config->get('display_prices_with_tax');
$show_product = $config->get('display_category_cartbuttons');
$view->show_tax = $show_tax;
$row->tax = '0';
$row->taxtotal = '0';
if ($show_tax) {
// finish TiendaHelperUser::getGeoZone -- that's why this isn't working
Tienda::load('TiendaHelperUser', 'helpers.user');
$geozones_user = TiendaHelperUser::getGeoZones($user_id);
if (empty($geozones_user)) {
$geozones = array(Tienda::getInstance()->get('default_tax_geozone'));
} else {
$geozones = array();
foreach ($geozones_user as $value) {
$geozones[] = $value->geozone_id;
}
}
Tienda::load('TiendaHelperTax', 'helpers.tax');
$product = new stdClass();
$product->product_price = $row->price;
$product->product_id = $product_id;
$tax = TiendaHelperTax::calculateGeozonesTax(array($product), 2, $geozones);
$row->taxtotal = $tax->tax_total;
$row->tax = $tax->tax_total;
}
$row->_product_quantity = $product_qty;
if ($page == 'product' || $isPOS) {
$display_cartbutton = Tienda::getInstance()->get('display_product_cartbuttons', '1');
} else {
$display_cartbutton = Tienda::getInstance()->get('display_category_cartbuttons', '1');
}
$view->page = $page;
$view->display_cartbutton = $display_cartbutton;
$view->availableQuantity = $availableQuantity;
$view->invalidQuantity = $invalidQuantity;
if ($isPOS) {
$view->product = $row;
} else {
$view->item = $row;
}
$dispatcher = JDispatcher::getInstance();
ob_start();
$dispatcher->trigger('onDisplayProductAttributeOptions', array($row->product_id));
$view->onDisplayProductAttributeOptions = ob_get_contents();
ob_end_clean();
$html = $view->loadTemplate();
if (isset($view->callback_js) && !empty($view->callback_js)) {
$callback_js = $view->callback_js;
}
return $html;
}