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<?php
/* --------------------------------------------------------------
   OrderItemRepositoryWriter.inc.php 2016-06-22
   Gambio GmbH
   http://www.gambio.de
   Copyright (c) 2016 Gambio GmbH
   Released under the GNU General Public License (Version 2)
   [http://www.gnu.org/licenses/gpl-2.0.html]
   --------------------------------------------------------------
*/

MainFactory::load_class('OrderItemRepositoryWriterInterface');

/**
 * Class OrderItemRepositoryWriter
 *
 * @category   System
 * @package    Order
 * @subpackage Repositories
 */
class OrderItemRepositoryWriter implements OrderItemRepositoryWriterInterface
{
    /**
     * Query builder.
     * @var CI_DB_query_builder
     */
    protected $db;
    
    
    /**
     * OrderItemRepositoryWriter constructor.
     *
     * @param CI_DB_query_builder $dbQueryBuilder Query builder.
     */
    public function __construct(CI_DB_query_builder $dbQueryBuilder)
    {
        $this->db = $dbQueryBuilder;
    }
    
    
    /**
     * Inserts an order item to an order by the given order ID.
     *
     * @param IdType             $orderId   ID of the order.
     * @param OrderItemInterface $orderItem Order item to insert.
     *
     * @return int ID of inserted item.
     */
    public function insertIntoOrder(IdType $orderId, OrderItemInterface $orderItem)
    {
        $orderItemArray = array(
            'orders_id'              => $orderId->asInt(),
            'products_model'         => $orderItem->getProductModel(),
            'products_name'          => $orderItem->getName(),
            'products_price'         => $orderItem->getPrice(),
            'products_quantity'      => $orderItem->getQuantity(),
            'final_price'            => $orderItem->getFinalPrice(),
            'products_tax'           => $orderItem->getTax(),
            'allow_tax'              => $orderItem->isTaxAllowed(),
            'products_discount_made' => $orderItem->getDiscountMade(),
            'products_shipping_time' => $orderItem->getShippingTimeInfo(),
            'checkout_information'   => $orderItem->getCheckoutInformation()
        );
        
        $this->db->insert('orders_products', $orderItemArray);
        $orderItemId = $this->db->insert_id();
        
        $downloadInfo = $orderItem->getDownloadInformation();
        foreach($downloadInfo->getArray() as $download)
        {
            $orderItemDownloadArray = array(
                'orders_id'                => $orderId->asInt(),
                'orders_products_id'       => $orderItemId,
                'orders_products_filename' => $download->getFilename(),
                'download_maxdays'         => $download->getMaxDaysAllowed(),
                'download_count'           => $download->getCountAvailable()
            );
            
            $this->db->insert('orders_products_download', $orderItemDownloadArray);
        }
        
        if($orderItem->getQuantityUnitName() !== '')
        {
            $orderItemQuantityUnitArray = array(
                'orders_products_id' => $orderItemId,
                'unit_name'          => $orderItem->getQuantityUnitName()
            );
            
            $this->db->insert('orders_products_quantity_units', $orderItemQuantityUnitArray);
        }
        
        return $orderItemId;
    }
    
    
    /**
     * Update the passed order item.
     *
     * @param StoredOrderItemInterface $orderItem Order item to update.
     *
     * @return OrderItemRepositoryWriter Same instance for method chaining.
     */
    public function update(StoredOrderItemInterface $orderItem)
    {
        $orderItemArray = array(
            'products_model'         => $orderItem->getProductModel(),
            'products_name'          => $orderItem->getName(),
            'products_price'         => $orderItem->getPrice(),
            'products_quantity'      => $orderItem->getQuantity(),
            'final_price'            => $orderItem->getFinalPrice(),
            'products_tax'           => $orderItem->getTax(),
            'allow_tax'              => $orderItem->isTaxAllowed(),
            'products_discount_made' => $orderItem->getDiscountMade(),
            'products_shipping_time' => $orderItem->getShippingTimeInfo(),
            'checkout_information'   => $orderItem->getCheckoutInformation()
        );
        
        $this->db->update('orders_products', $orderItemArray,
                          array('orders_products_id' => $orderItem->getOrderItemId()));
        
        
        $downloadInfo = $orderItem->getDownloadInformation();
        
        // Get order record ID.
        $orderId = $this->db->select('orders_id')
                               ->get_where('orders_products',
                                           array('orders_products_id' => $orderItem->getOrderItemId()))
                               ->row()->orders_id;
        
        // Remove the old download entries (will be re-inserted cause OrderItemDownloadInformation does not have an ID). 
        $this->db->delete('orders_products_download', array('orders_products_id' => $orderItem->getOrderItemId())); 
                
        foreach($downloadInfo->getArray() as $download)
        {
            $orderItemDownloadArray = array(
                'orders_id'                => $orderId,
                'orders_products_id'       => $orderItem->getOrderItemId(),
                'orders_products_filename' => $download->getFilename(),
                'download_maxdays'         => $download->getMaxDaysAllowed(),
                'download_count'           => $download->getCountAvailable()
            );
            
            $this->db->insert('orders_products_download', $orderItemDownloadArray);
        }
        
        if($orderItem->getQuantityUnitName() !== '')
        {
            $quantityUnit = $this->db->get_where('orders_products_quantity_units',
                                                 array('orders_products_id' => $orderItem->getOrderItemId()))
                                     ->result_array();
            
            if(count($quantityUnit))
            {
                $orderItemQuantityUnitArray = array(
                    'unit_name' => $orderItem->getQuantityUnitName()
                );
                
                $this->db->update('orders_products_quantity_units', $orderItemQuantityUnitArray,
                                  array('orders_products_id' => $orderItem->getOrderItemId()));
            }
            else
            {
                $orderItemQuantityUnitArray = array(
                    'orders_products_id' => $orderItem->getOrderItemId(),
                    'unit_name'          => $orderItem->getQuantityUnitName()
                );
                
                $this->db->insert('orders_products_quantity_units', $orderItemQuantityUnitArray);
            }
        }
        else
        {
            $this->db->delete('orders_products_quantity_units',
                              array('orders_products_id' => $orderItem->getOrderItemId()));
        }
    }
}