/**
* @param EEI_Payment $payment to process
* @param array $billing_info but should be empty for this gateway
* @param string $return_url URL to send the user to after payment on the payment provider's website
* @param string $notify_url URL to send the instant payment notification
* @param string $cancel_url URL to send the user to after a cancelled payment attempt on teh payment provider's website
* @return EEI_Payment
*/
public function set_redirection_info($payment, $billing_info = array(), $return_url = NULL, $notify_url = NULL, $cancel_url = NULL)
{
$redirect_args = array();
$transaction = $payment->transaction();
$primary_registrant = $transaction->primary_registration();
$item_num = 1;
/** @type EE_Line_Item $total_line_item */
$total_line_item = $transaction->total_line_item();
$total_discounts_to_cart_total = $transaction->paid();
//only itemize the order if we're paying for the rest of the order's amount
if ($payment->amount() == $transaction->total()) {
$payment->update_extra_meta(EEG_Paypal_Standard::itemized_payment_option_name, true);
//this payment is for the remaining transaction amount,
//keep track of exactly how much the itemized order amount equals
$itemized_sum = 0;
$shipping_previously_added = 0;
//so let's show all the line items
foreach ($total_line_item->get_items() as $line_item) {
if ($line_item instanceof EE_Line_Item) {
//it's some kind of discount
if ($line_item->total() < 0) {
$total_discounts_to_cart_total += abs($line_item->total());
$itemized_sum += $line_item->total();
continue;
}
//dont include shipping again.
if (strpos($line_item->code(), 'paypal_shipping_') === 0) {
$shipping_previously_added = $line_item->total();
continue;
}
$redirect_args['item_name_' . $item_num] = substr(sprintf(_x('%1$s for %2$s', 'Ticket for Event', 'event_espresso'), $line_item->name(), $line_item->ticket_event_name()), 0, 127);
$redirect_args['amount_' . $item_num] = $line_item->unit_price();
$redirect_args['quantity_' . $item_num] = $line_item->quantity();
//if we're not letting PayPal calculate shipping, tell them its 0
if (!$this->_paypal_shipping) {
$redirect_args['shipping_' . $item_num] = '0';
$redirect_args['shipping2_' . $item_num] = '0';
}
$item_num++;
$itemized_sum += $line_item->total();
}
}
$taxes_li = $this->_line_item->get_taxes_subtotal($total_line_item);
//ideally itemized sum equals the transaction total. but if not (which is weird)
//and the itemized sum is LESS than the transaction total
//add another line item
//if the itemized sum is MORE than the transaction total,
//add the difference it to the discounts
$itemized_sum_diff_from_txn_total = round($transaction->total() - $itemized_sum - $taxes_li->total() - $shipping_previously_added, 2);
if ($itemized_sum_diff_from_txn_total < 0) {
//itemized sum is too big
$total_discounts_to_cart_total += abs($itemized_sum_diff_from_txn_total);
} elseif ($itemized_sum_diff_from_txn_total > 0) {
$redirect_args['item_name_' . $item_num] = substr(__('Other charges', 'event_espresso'), 0, 127);
$redirect_args['amount_' . $item_num] = $this->format_currency($itemized_sum_diff_from_txn_total);
$redirect_args['quantity_' . $item_num] = 1;
$item_num++;
}
if ($total_discounts_to_cart_total > 0) {
$redirect_args['discount_amount_cart'] = $this->format_currency($total_discounts_to_cart_total);
}
//add our taxes to the order if we're NOT using PayPal's
if (!$this->_paypal_taxes) {
$redirect_args['tax_cart'] = $total_line_item->get_total_tax();
}
} else {
$payment->update_extra_meta(EEG_Paypal_Standard::itemized_payment_option_name, false);
//partial payment that's not for the remaining amount, so we can't send an itemized list
$redirect_args['item_name_' . $item_num] = substr(sprintf(__('Payment of %1$s for %2$s', "event_espresso"), $payment->amount(), $primary_registrant->reg_code()), 0, 127);
$redirect_args['amount_' . $item_num] = $payment->amount();
$redirect_args['shipping_' . $item_num] = '0';
$redirect_args['shipping2_' . $item_num] = '0';
$redirect_args['tax_cart'] = '0';
$item_num++;
}
if ($this->_debug_mode) {
$redirect_args['item_name_' . $item_num] = 'DEBUG INFO (this item only added in sandbox mode';
$redirect_args['amount_' . $item_num] = 0;
$redirect_args['on0_' . $item_num] = 'NOTIFY URL';
$redirect_args['os0_' . $item_num] = $notify_url;
$redirect_args['on1_' . $item_num] = 'RETURN URL';
$redirect_args['os1_' . $item_num] = $return_url;
// $redirect_args['option_index_' . $item_num] = 1; // <-- dunno if this is needed ?
$redirect_args['shipping_' . $item_num] = '0';
$redirect_args['shipping2_' . $item_num] = '0';
}
$redirect_args['business'] = $this->_paypal_id;
$redirect_args['return'] = $return_url;
$redirect_args['cancel_return'] = $cancel_url;
$redirect_args['notify_url'] = $notify_url;
$redirect_args['cmd'] = '_cart';
$redirect_args['upload'] = 1;
$redirect_args['currency_code'] = $payment->currency_code();
$redirect_args['rm'] = 2;
//makes the user return with method=POST
if ($this->_image_url) {
$redirect_args['image_url'] = $this->_image_url;
}
$redirect_args['no_shipping'] = $this->_shipping_details;
$redirect_args['bn'] = 'EventEspresso_SP';
//EE will blow up if you change this
$redirect_args = apply_filters("FHEE__EEG_Paypal_Standard__set_redirection_info__arguments", $redirect_args, $this);
$payment->set_redirect_url($this->_gateway_url);
$payment->set_redirect_args($redirect_args);
// echo "redirect info";
// var_dump( $redirect_args );
// die;
return $payment;
}
