function uc_coupon_uc_order in Ubercart Discount Coupons 7.2

Same name and namespace in other branches

1. 7.3 uc_coupon.module \uc_coupon_uc_order()

Implements hook_uc_order().

This makes sure the active, validated coupons are saved to the order. It also prevents any fake coupon cart-items from being saved to the order.

File

./uc_coupon.module, line 1276

Code

function uc_coupon_uc_order($op, &$order) {
  if ($op == 'presave') {

    // Apply any session coupons to the current cart order.
    if (_uc_coupon_is_checkout_order($order)) {
      $coupons = uc_coupon_session_validate();

      // Index existing line items by coupon code.
      $items = array();
      foreach ($order->line_items as $index => $line) {
        if ($line['type'] == 'coupon') {

          // For orders created before multi-coupons were enabled, the code was not saved with the line item.
          // In this case, we retreive it from the uc_coupons_orders table.
          $code = isset($line['data']['code']) ? $line['data']['code'] : db_query('SELECT code FROM {uc_coupons_orders} WHERE oid = :oid', array(
            ':oid' => $order->order_id,
          ))
            ->fetchField();
          $items[$code] = $index;
        }
      }

      // Index existing entries in {uc_coupons_orders} by coupon code.
      $entries = db_query('SELECT code, cuid FROM {uc_coupons_orders} WHERE oid = :oid', array(
        ':oid' => $order->order_id,
      ))
        ->fetchAllKeyed(0, 1);

      // Update, insert or delete line items and entries in uc_coupons_orders.
      $insert = array();
      $order->data['coupons'] = array();
      foreach ($coupons as $coupon) {
        $order->data['coupons'][$coupon->code] = $coupon->discounts;

        // Handle entries in {uc_coupons_orders}.
        if (isset($entries[$coupon->code])) {
          db_update('uc_coupons_orders')
            ->condition('cuid', $entries[$coupon->code])
            ->fields(array(
            'cid' => $coupon->cid,
            'value' => $coupon->amount,
          ))
            ->execute();
          unset($entries[$coupon->code]);
        }
        else {
          $insert[] = array(
            $coupon->cid,
            $order->order_id,
            $coupon->code,
            $coupon->value,
          );
        }

        // Handle line items.
        if (isset($items[$coupon->code])) {
          $line =& $order->line_items[$items[$coupon->code]];
          $line['title'] = $coupon->title;
          $line['amount'] = -$coupon->pretax_amount;
          $line['data']['code'] = $coupon->code;
          uc_order_update_line_item($line['line_item_id'], $line['title'], $line['amount'], $line['data']);
          unset($items[$coupon->code]);
        }
        else {

          // Create a new line item.
          $order->line_items[] = uc_order_line_item_add($order->order_id, 'coupon', $coupon->title, -$coupon->pretax_amount, _uc_line_item_data('coupon', 'weight'), array(
            'code' => $coupon->code,
          ));
        }
      }

      // Insert new entries in {uc_coupons_orders}
      if (!empty($insert)) {
        $query = db_insert('uc_coupons_orders');
        $query
          ->fields(array(
          'cid',
          'oid',
          'code',
          'value',
        ));
        foreach ($insert as $fields) {
          $query
            ->values($fields);
        }
        $query
          ->execute();
      }

      // Delete orphaned entries in {uc_coupons_orders}
      if (!empty($entries)) {
        db_delete('uc_coupons_orders')
          ->condition('cuid', $entries)
          ->execute();
      }

      // Remove orphaned line-items.
      foreach ($items as $index) {
        uc_order_delete_line_item($order->line_items[$index]['line_item_id']);
        unset($order->line_items[$index]);
      }
      usort($order->line_items, 'uc_weight_sort');
    }

    // Make sure any fake cart items don't get saved with the order if the checkout page is skipped
    // (e.g. Paypal Express Checkout, Google Checkout)
    foreach ($order->products as $key => $product) {
      if (isset($product->module) && $product->module == 'uc_coupon') {
        unset($order->products[$key]);
      }
    }
  }
}