/**
* Prepare subtotal and line-item detail content to send to PayPal
*/
function ipn_getLineItemDetails()
{
error_reporting(E_ALL);
global $order, $currencies, $order_totals, $order_total_modules;
$optionsST = array();
$optionsLI = array();
$onetimeSum = 0;
$onetimeTax = 0;
$creditsApplied = 0;
$creditsTax_applied = 0;
$sumOfLineItems = 0;
$sumOfLineTax = 0;
// prepare subtotals
$optionsST['handling'] = 0;
for ($i = 0, $n = sizeof($order_totals); $i < $n; $i++) {
if ($order_totals[$i]['code'] == 'ot_subtotal') {
$optionsST['subtotal'] = round($order_totals[$i]['value'], 2);
}
if ($order_totals[$i]['code'] == 'ot_tax') {
$optionsST['tax_cart'] = round($order_totals[$i]['value'], 2);
}
if ($order_totals[$i]['code'] == 'ot_shipping') {
$optionsST['shipping'] = round($order_totals[$i]['value'], 2);
}
if ($order_totals[$i]['code'] == 'ot_total') {
$optionsST['amount'] = round($order_totals[$i]['value'], 2);
}
global ${$order_totals[$i]['code']};
if (isset(${$order_totals[$i]['code']}->credit_class) && ${$order_totals[$i]['code']}->credit_class == true) {
$creditsApplied += round($order_totals[$i]['value'], 2);
}
// treat all other OT's as if they're related to handling fees
if (!in_array($order_totals[$i]['code'], array('ot_total', 'ot_subtotal', 'ot_tax', 'ot_shipping')) && !(isset(${$order_totals[$i]['code']}->credit_class) && ${$order_totals[$i]['code']}->credit_class == true)) {
$optionsST['handling'] += $order_totals[$i]['value'];
}
}
// Move shipping tax amount from Tax subtotal into Shipping subtotal for submission to PayPal
$module = substr($_SESSION['shipping']['id'], 0, strpos($_SESSION['shipping']['id'], '_'));
if (zen_not_null($order->info['shipping_method'])) {
if ($GLOBALS[$module]->tax_class > 0) {
$shipping_tax_basis = !isset($GLOBALS[$module]->tax_basis) ? STORE_SHIPPING_TAX_BASIS : $GLOBALS[$module]->tax_basis;
$shippingOnBilling = zen_get_tax_rate($GLOBALS[$module]->tax_class, $order->billing['country']['id'], $order->billing['zone_id']);
$shippingOnDelivery = zen_get_tax_rate($GLOBALS[$module]->tax_class, $order->delivery['country']['id'], $order->delivery['zone_id']);
if ($shipping_tax_basis == 'Billing') {
$shipping_tax = $shippingOnBilling;
} elseif ($shipping_tax_basis == 'Shipping') {
$shipping_tax = $shippingOnDelivery;
} else {
if (STORE_ZONE == $order->billing['zone_id']) {
$shipping_tax = $shippingOnBilling;
} elseif (STORE_ZONE == $order->delivery['zone_id']) {
$shipping_tax = $shippingOnDelivery;
} else {
$shipping_tax = 0;
}
}
$taxAdjustmentForShipping = zen_calculate_tax($order->info['shipping_cost'], $shipping_tax);
$optionsST['shipping'] += $taxAdjustmentForShipping;
$optionsST['tax_cart'] -= $taxAdjustmentForShipping;
}
}
ipn_logging('DEBUG Round 1', 'Subtotal Info:' . "\n" . print_r($optionsST, true));
// loop thru all products to display quantity and price. Appends *** if out-of-stock.
for ($i = 0, $n = sizeof($order->products), $k = 1; $i < $n; $i++, $k++) {
$optionsLI["item_number_{$k}"] = $order->products[$i]['model'];
$optionsLI["quantity_{$k}"] = (int) $order->products[$i]['qty'];
$optionsLI["item_name_{$k}"] = $order->products[$i]['name'];
$optionsLI["item_name_{$k}"] .= zen_get_products_stock($order->products[$i]['id']) - $order->products[$i]['qty'] < 0 ? STOCK_MARK_PRODUCT_OUT_OF_STOCK : '';
// if there are attributes, loop thru them and add to description
if (isset($order->products[$i]['attributes']) && sizeof($order->products[$i]['attributes']) > 0) {
for ($j = 0, $n2 = sizeof($order->products[$i]['attributes']); $j < $n2; $j++) {
$optionsLI["item_name_{$k}"] .= "\n " . $order->products[$i]['attributes'][$j]['option'] . ': ' . $order->products[$i]['attributes'][$j]['value'];
}
// end loop
}
// endif attribute-info
$optionsLI["amount_{$k}"] = $order->products[$i]['final_price'];
$optionsLI["tax_{$k}"] = zen_calculate_tax($order->products[$i]['final_price'], $order->products[$i]['tax']);
$optionsLI["shipping_{$k}"] = 0;
// track one-time charges
if ($order->products[$i]['onetime_charges'] != 0) {
$onetimeSum += $order->products[$i]['onetime_charges'];
$onetimeTax += zen_calculate_tax($order->products[$i]['onetime_charges'], $order->products[$i]['tax']);
}
// Replace & and = with * if found.
$optionsLI["item_name_{$k}"] = str_replace(array('&', '='), '*', $optionsLI["item_name_{$k}"]);
$optionsLI["item_name_{$k}"] = zen_clean_html($optionsLI["item_name_{$k}"], 'strong');
$optionsLI["item_name_{$k}"] = substr($optionsLI["item_name_{$k}"], 0, 127);
// reformat properly
$optionsLI["item_number_{$k}"] = substr($optionsLI["item_number_{$k}"], 0, 127);
}
// end for loopthru all products
if ($onetimeSum > 0) {
$i++;
$k++;
$optionsLI["item_number_{$k}"] = $k;
$optionsLI["item_name_{$k}"] = 'One-Time Charges';
$optionsLI["amount_{$k}"] = $onetimeSum;
$optionsLI["tax_{$k}"] = $onetimeTax;
$optionsLI["quantity_{$k}"] = 1;
}
ipn_logging('DEBUG Round 2', 'Line Item Info:' . "\n" . print_r($optionsLI, true));
// handle discounts such as gift certificates and coupons
if ($creditsApplied > 0) {
$optionsST['handling'] -= $creditsApplied;
}
// add all one-time charges
$optionsST['subtotal'] += $onetimeSum;
//ensure things are not negative and not carrying any bad precision
$optionsST['handling'] = abs(strval($optionsST['handling']));
// subtotals have to add up to AMT
// Thus, if there is a discrepancy, make adjustment to HANDLINGAMT:
$st = $optionsST['subtotal'] + $optionsST['tax_cart'] + $optionsST['shipping'] + $optionsST['handling'];
if ($st != $optionsST['amount']) {
$optionsST['handling'] += $optionsST['amount'] - $st;
}
// Since the PayPal spec cannot handle mathematically mismatched values caused by one-time charges,
// must drop line-item details if any one-time charges apply to this order:
// And, if there are any discounts in this order, do NOT supply line-item details
if ($onetimeSum > 0) {
$optionsLI = array();
}
// Do sanity check -- if any of the line-item subtotal math doesn't add up properly, skip line-item details,
// so that the order can go through even though PayPal isn't being flexible to handle Zen Cart's diversity
$optionsLI['num_cart_items'] = 0;
for ($j = 1; $j < $k; $j++) {
$itemAMT = $optionsLI["amount_{$j}"];
$itemTAX = $optionsLI["tax_{$j}"];
$itemQTY = $optionsLI["quantity_{$j}"];
$sumOfLineItems += $itemQTY * $itemAMT;
$sumOfLineTax += round($itemQTY * $itemTAX, 2);
$optionsLI['num_cart_items']++;
}
if ((double) strval($optionsST['subtotal']) != (double) strval($sumOfLineItems)) {
$optionsLI = array();
ipn_logging('getLineItemDetails 1: Order Subtotal does not match sum of line-item prices. Line-item-details skipped.' . "\n" . (double) $optionsST['subtotal'] . ' ' . (double) $sumOfLineItems);
//die('ITEMAMT != $sumOfLineItems ' . $optionsST['ITEMAMT'] . ' ' . $sumOfLineItems);
}
if ((double) strval($optionsST['tax_cart']) != (double) strval($sumOfLineTax)) {
for ($i = 0, $n = sizeof($order->products), $k = 1; $i < $n; $i++, $k++) {
$optionsLI["tax_{$k}"] = 0;
}
$optionsLI["tax_1"] = $optionsST["tax_cart"];
ipn_logging('getLineItemDetails 2: Tax Subtotal did not match sum of taxes for line-items. Line-item taxes skipped.' . "\n" . $optionsST['tax_cart'] . ' ' . $sumOfLineTax);
//die('TAXAMT != $sumofLineTax ' . $optionsST['TAXAMT'] . ' ' . $sumOfLineTax);
}
// ensure all numbers are non-negative
// tidy up all values so that they comply with proper format (number_format(xxxx,2) for PayPal US use )
if (is_array($optionsST)) {
foreach ($optionsST as $key => $value) {
$optionsST[$key] = number_format(abs(strval($value)), 2);
}
}
if (is_array($optionsLI)) {
foreach ($optionsLI as $key => $value) {
if (strstr($key, 'amount')) {
$optionsLI[$key] = number_format(abs(strval($value)), 2);
}
}
}
ipn_logging('getLineItemDetails 3: IPN LineItemDetails: ' . "\n" . ($creditsApplied ? 'Credits apply to this order, so all line-item details are NOT being submitted. Thus, the following data is REDUNDANT and probably VERY INACCURATE' . "\n" : '') . 'Details:' . print_r(array_merge($optionsST, $optionsLI), true) . "\n\n" . 'DEFAULT_CURRENCY = ' . DEFAULT_CURRENCY . "\nSESSION['currency'] = " . $_SESSION['currency'] . "\n" . "order->info['currency'] = " . $order->info['currency'] . "\n\$currencies->currencies[\$_SESSION['currency']]['value'] = " . $currencies->currencies[$_SESSION['currency']]['value'] . "\n" . print_r($currencies, true));
// if not default currency, do not send subtotals or line-item details
if (DEFAULT_CURRENCY != $order->info['currency']) {
ipn_logging('getLineItemDetails 4: Not using default currency. Thus, no line-item details can be submitted.');
return array();
}
if ($currencies->currencies[$_SESSION['currency']]['value'] != 1) {
ipn_logging('getLineItemDetails 5: currency val not equal to 1.0000 - cannot proceed without coping with currency conversions. Aborting line-item details.');
return array();
}
// if there are any discounts in this order, do not supply subtotals or line-item details
if (strval($creditsApplied) > 0) {
return array();
}
//$this->zcLog('getLineItemDetails 6', 'no credits - okay');
// if subtotals are not adding up correctly, then skip sending any line-item or subtotal details to PayPal
$st = round(strval($optionsST['subtotal'] + $optionsST['tax_cart'] + $optionsST['shipping'] + $optionsST['handling']), 2);
$stDiff = strval($optionsST['amount'] - $st);
$stDiffRounded = strval(abs($st) - abs(round($optionsST['amount'], 2)));
ipn_logging('getLineItemDetails 7: checking subtotals... ' . "\nitemamt: " . $optionsST['subtotal'] . "\ntaxamt: " . $optionsST['tax_cart'] . "\nshippingamt: " . $optionsST['shipping'] . "\nhandlingamt: " . $optionsST['handling'] . "\n-------------------\nsubtotal: " . number_format($st, 2) . "\namount: " . $optionsST['amount'] . "\n-------------------\ndifference: " . $stDiff . ' (abs+rounded: ' . $stDiffRounded . ')');
if ($stDiffRounded != 0) {
return array();
}
//die('bad subtotals'); //return array();
ipn_logging('getLineItemDetails 8: subtotals balance - okay');
if (abs($optionsST['handling']) == 0) {
unset($optionsST['handling']);
}
// Send Subtotal and LineItem results back to be submitted to PayPal
return array_merge($optionsST, $optionsLI);
}
/**
* Prepare subtotal and line-item detail content to send to PayPal
*/
function ipn_getLineItemDetails($restrictedCurrency)
{
global $order, $currencies, $order_totals, $order_total_modules;
// if not default currency, do not send subtotals or line-item details
if (DEFAULT_CURRENCY != $order->info['currency'] || $restrictedCurrency != DEFAULT_CURRENCY) {
ipn_logging('getLineItemDetails 1', 'Not using default currency. Thus, no line-item details can be submitted.');
return array();
}
if ($currencies->currencies[$_SESSION['currency']]['value'] != 1 || $currencies->currencies[$order->info['currency']]['value'] != 1) {
ipn_logging('getLineItemDetails 2', 'currency val not equal to 1.0000 - cannot proceed without coping with currency conversions. Aborting line-item details.');
return array();
}
$optionsST = array();
$optionsLI = array();
$optionsNB = array();
$numberOfLineItemsProcessed = 0;
$creditsApplied = 0;
$surcharges = 0;
$sumOfLineItems = 0;
$sumOfLineTax = 0;
$optionsST['amount'] = 0;
$optionsST['subtotal'] = 0;
$optionsST['tax_cart'] = 0;
$optionsST['shipping'] = 0;
$flagSubtotalsUnknownYet = true;
$subTotalLI = 0;
$subTotalTax = 0;
$subTotalShipping = 0;
$subtotalPRE = array('no data');
$discountProblemsFlag = FALSE;
$flag_treat_as_partial = FALSE;
if (sizeof($order_totals)) {
// prepare subtotals
for ($i = 0, $n = sizeof($order_totals); $i < $n; $i++) {
if ($order_totals[$i]['code'] == '') {
continue;
}
if (in_array($order_totals[$i]['code'], array('ot_total', 'ot_subtotal', 'ot_tax', 'ot_shipping')) || strstr($order_totals[$i]['code'], 'insurance')) {
if ($order_totals[$i]['code'] == 'ot_shipping') {
$optionsST['shipping'] = round($order_totals[$i]['value'], 2);
}
if ($order_totals[$i]['code'] == 'ot_total') {
$optionsST['amount'] = round($order_totals[$i]['value'], 2);
}
if ($order_totals[$i]['code'] == 'ot_tax') {
$optionsST['tax_cart'] += round($order_totals[$i]['value'], 2);
}
if ($order_totals[$i]['code'] == 'ot_subtotal') {
$optionsST['subtotal'] = round($order_totals[$i]['value'], 2);
}
} else {
// handle other order totals:
global ${$order_totals[$i]['code']};
if (substr($order_totals[$i]['text'], 0, 1) == '-' || isset(${$order_totals[$i]['code']}->credit_class) && ${$order_totals[$i]['code']}->credit_class == true) {
// handle credits
$creditsApplied += round($order_totals[$i]['value'], 2);
} else {
// treat all other OT's as if they're related to handling fees or other extra charges to be added/included
$surcharges += $order_totals[$i]['value'];
}
}
}
if ($creditsApplied > 0) {
$optionsST['subtotal'] -= $creditsApplied;
}
if ($surcharges > 0) {
$optionsST['subtotal'] += $surcharges;
}
$optionsNB['creditsExist'] = $creditsApplied > 0 ? TRUE : FALSE;
// Handle tax-included scenario
if (DISPLAY_PRICE_WITH_TAX == 'true') {
$optionsST['tax_cart'] = 0;
}
$subtotalPRE = $optionsST;
// Move shipping tax amount from Tax subtotal into Shipping subtotal for submission to PayPal, since PayPal applies tax to each line-item individually
$module = strpos($_SESSION['shipping']['id'], '_') > 0 ? substr($_SESSION['shipping']['id'], 0, strpos($_SESSION['shipping']['id'], '_')) : $_SESSION['shipping'];
if (isset($GLOBALS[$module]) && zen_not_null($order->info['shipping_method']) && DISPLAY_PRICE_WITH_TAX != 'true') {
if ($GLOBALS[$module]->tax_class > 0) {
$shipping_tax_basis = !isset($GLOBALS[$module]->tax_basis) ? STORE_SHIPPING_TAX_BASIS : $GLOBALS[$module]->tax_basis;
$shippingOnBilling = zen_get_tax_rate($GLOBALS[$module]->tax_class, $order->billing['country']['id'], $order->billing['zone_id']);
$shippingOnDelivery = zen_get_tax_rate($GLOBALS[$module]->tax_class, $order->delivery['country']['id'], $order->delivery['zone_id']);
if ($shipping_tax_basis == 'Billing') {
$shipping_tax = $shippingOnBilling;
} elseif ($shipping_tax_basis == 'Shipping') {
$shipping_tax = $shippingOnDelivery;
} else {
if (STORE_ZONE == $order->billing['zone_id']) {
$shipping_tax = $shippingOnBilling;
} elseif (STORE_ZONE == $order->delivery['zone_id']) {
$shipping_tax = $shippingOnDelivery;
} else {
$shipping_tax = 0;
}
}
$taxAdjustmentForShipping = zen_round(zen_calculate_tax($order->info['shipping_cost'], $shipping_tax), $currencies->currencies[$_SESSION['currency']]['decimal_places']);
$optionsST['shipping'] += $taxAdjustmentForShipping;
$optionsST['tax_cart'] -= $taxAdjustmentForShipping;
}
}
$flagSubtotalsUnknownYet = $optionsST['shipping'] + $optionsST['amount'] + $optionsST['tax_cart'] + $optionsST['subtotal'] == 0;
} else {
// if we get here, we don't have any order-total information yet because the customer has clicked Express before starting normal checkout flow
// thus, we must make a note to manually calculate subtotals, rather than relying on the more robust order-total infrastructure
$flagSubtotalsUnknownYet = TRUE;
}
$decimals = $currencies->get_decimal_places($_SESSION['currency']);
// loop thru all products to prepare details of quantity and price.
for ($i = 0, $n = sizeof($order->products), $k = 0; $i < $n; $i++) {
// PayPal is inconsistent in how it handles zero-value line-items, so skip this entry if price is zero
if ($order->products[$i]['final_price'] == 0) {
continue;
} else {
$k++;
}
$optionsLI["item_number_{$k}"] = $order->products[$i]['model'];
$optionsLI["item_name_{$k}"] = $order->products[$i]['name'] . ' [' . (int) $order->products[$i]['id'] . ']';
// Append *** if out-of-stock.
$optionsLI["item_name_{$k}"] .= zen_get_products_stock($order->products[$i]['id']) - $order->products[$i]['qty'] < 0 ? STOCK_MARK_PRODUCT_OUT_OF_STOCK : '';
// if there are attributes, loop thru them and add to description
if (isset($order->products[$i]['attributes']) && sizeof($order->products[$i]['attributes']) > 0) {
for ($j = 0, $n2 = sizeof($order->products[$i]['attributes']); $j < $n2; $j++) {
$optionsLI["item_name_{$k}"] .= "\n " . $order->products[$i]['attributes'][$j]['option'] . ': ' . $order->products[$i]['attributes'][$j]['value'];
}
// end loop
}
// endif attribute-info
// PayPal can't handle fractional-quantity values, so convert it to qty 1 here
if ($order->products[$i]['qty'] > 1 && ($order->products[$i]['qty'] != (int) $order->products[$i]['qty'] || $flag_treat_as_partial)) {
$optionsLI["item_name_{$k}"] = '(' . $order->products[$i]['qty'] . ' x ) ' . $optionsLI["item_name_{$k}"];
// zen_add_tax already handles whether DISPLAY_PRICES_WITH_TAX is set
$optionsLI["amount_{$k}"] = zen_round(zen_round(zen_add_tax($order->products[$i]['final_price'], $order->products[$i]['tax']), $decimals) * $order->products[$i]['qty'], $decimals);
$optionsLI["quantity_{$k}"] = 1;
// no line-item tax component
} else {
$optionsLI["quantity_{$k}"] = $order->products[$i]['qty'];
$optionsLI["amount_{$k}"] = zen_round(zen_add_tax($order->products[$i]['final_price'], $order->products[$i]['tax']), $decimals);
}
$subTotalLI += $optionsLI["quantity_{$k}"] * $optionsLI["amount_{$k}"];
// $subTotalTax += ($optionsLI["quantity_$k"] * $optionsLI["tax_$k"]);
// add line-item for one-time charges on this product
if ($order->products[$i]['onetime_charges'] != 0) {
$k++;
$optionsLI["item_name_{$k}"] = MODULES_PAYMENT_PAYPALSTD_LINEITEM_TEXT_ONETIME_CHARGES_PREFIX . substr(htmlentities($order->products[$i]['name'], ENT_QUOTES, 'UTF-8'), 0, 120);
$optionsLI["amount_{$k}"] = zen_round(zen_add_tax($order->products[$i]['onetime_charges'], $order->products[$i]['tax']), $decimals);
$optionsLI["quantity_{$k}"] = 1;
// $optionsLI["tax_$k"] = zen_round(zen_calculate_tax($order->products[$i]['onetime_charges'], $order->products[$i]['tax']), $decimals);
$subTotalLI += $optionsLI["amount_{$k}"];
// $subTotalTax += $optionsLI["tax_$k"];
}
$numberOfLineItemsProcessed = $k;
}
// end for loopthru all products
// add line items for any surcharges added by order-total modules
if ($surcharges > 0) {
$numberOfLineItemsProcessed++;
$k = $numberOfLineItemsProcessed;
$optionsLI["item_name_{$k}"] = MODULES_PAYMENT_PAYPALSTD_LINEITEM_TEXT_SURCHARGES_SHORT;
$optionsLI["amount_{$k}"] = $surcharges;
$optionsLI["quantity_{$k}"] = 1;
$subTotalLI += $surcharges;
}
// add line items for discounts such as gift certificates and coupons
if ($creditsApplied > 0) {
$numberOfLineItemsProcessed++;
$k = $numberOfLineItemsProcessed;
$optionsLI["item_name_{$k}"] = MODULES_PAYMENT_PAYPALSTD_LINEITEM_TEXT_DISCOUNTS_SHORT;
$optionsLI["amount_{$k}"] = -1 * $creditsApplied;
$optionsLI["quantity_{$k}"] = 1;
$subTotalLI -= $creditsApplied;
}
// Reformat properly
// Replace & and = and % with * if found.
// reformat properly according to API specs
// Remove HTML markup from name if found
for ($k = 1, $n = $numberOfLineItemsProcessed + 1; $k < $n; $k++) {
$optionsLI["item_name_{$k}"] = str_replace(array('&', '=', '%'), '*', $optionsLI["item_name_{$k}"]);
$optionsLI["item_name_{$k}"] = zen_clean_html($optionsLI["item_name_{$k}"], 'strong');
$optionsLI["item_name_{$k}"] = substr($optionsLI["item_name_{$k}"], 0, 127);
$optionsLI["amount_{$k}"] = round($optionsLI["amount_{$k}"], 2);
if (isset($optionsLI["item_number_{$k}"])) {
if ($optionsLI["item_number_{$k}"] == '') {
unset($optionsLI["item_number_{$k}"]);
} else {
$optionsLI["item_number_{$k}"] = str_replace(array('&', '=', '%'), '*', $optionsLI["item_number_{$k}"]);
$optionsLI["item_number_{$k}"] = substr($optionsLI["item_number_{$k}"], 0, 127);
}
}
// if (isset($optionsLI["tax_$k"]) && ($optionsLI["tax_$k"] != '' || $optionsLI["tax_$k"] > 0)) {
// $optionsLI["tax_$k"] = round($optionsLI["tax_$k"], 2);
// }
}
// Sanity Check of line-item subtotals
$optionsLI['num_cart_items'] = 0;
for ($j = 1; $j < $k; $j++) {
$itemAMT = $optionsLI["amount_{$j}"];
$itemQTY = $optionsLI["quantity_{$j}"];
$itemTAX = isset($optionsLI["tax_{$j}"]) ? $optionsLI["tax_{$j}"] : 0;
$sumOfLineItems += $itemQTY * $itemAMT;
$sumOfLineTax += $itemQTY * $itemTAX;
$optionsLI['num_cart_items']++;
}
$sumOfLineItems = round($sumOfLineItems, 2);
$sumOfLineTax = round($sumOfLineTax, 2);
if ($sumOfLineItems == 0) {
$sumOfLineTax = 0;
$optionsLI = array();
$discountProblemsFlag = TRUE;
if ($optionsST['shipping'] == $optionsST['amount']) {
$optionsST['shipping'] = 0;
}
}
// // Sanity check -- if tax-included pricing is causing problems, remove the numbers and put them in a comment instead:
// $stDiffTaxOnly = (strval($sumOfLineItems - $sumOfLineTax - round($optionsST['amount'], 2)) + 0);
// if (DISPLAY_PRICE_WITH_TAX == 'true' && $stDiffTaxOnly == 0 && ($optionsST['tax_cart'] != 0 && $sumOfLineTax != 0)) {
// $optionsNB['DESC'] = 'Tax included in prices: ' . $sumOfLineTax . ' (' . $optionsST['tax_cart'] . ') ';
// $optionsST['tax_cart'] = 0;
// for ($k=1, $n=$numberOfLineItemsProcessed+1; $k<$n; $k++) {
// if (isset($optionsLI["tax_$k"])) unset($optionsLI["tax_$k"]);
// }
// }
// // Do sanity check -- if any of the line-item subtotal math doesn't add up properly, skip line-item details,
// // so that the order can go through even though PayPal isn't being flexible to handle Zen Cart's diversity
// if ((strval($subTotalTax) - strval($sumOfLineTax)) > 0.02) {
// $ipn_logging('getLineItemDetails 3', 'Tax Subtotal does not match sum of taxes for line-items. Tax details are being removed from line-item submission data.' . "\n" . $sumOfLineTax . ' ' . $subTotalTax . print_r(array_merge($optionsST, $optionsLI), true));
// for ($k=1, $n=$numberOfLineItemsProcessed+1; $k<$n; $k++) {
// if (isset($optionsLI["tax_$k"])) unset($optionsLI["tax_$k"]);
// }
// $subTotalTax = 0;
// $sumOfLineTax = 0;
// }
// // If coupons exist and there's a calculation problem, then it's likely that taxes are incorrect, so reset L_TAXAMTn values
// if ($creditsApplied > 0 && (strval($optionsST['tax_cart']) != strval($sumOfLineTax))) {
// $pre = $optionsLI;
// for ($k=1, $n=$numberOfLineItemsProcessed+1; $k<$n; $k++) {
// if (isset($optionsLI["tax_$k"])) unset($optionsLI["tax_$k"]);
// }
// $ipn_logging('getLineItemDetails 4', 'Coupons/Discounts have affected tax calculations, so tax details are being removed from line-item submission data.' . "\n" . $sumOfLineTax . ' ' . $optionsST['tax_cart'] . "\n" . print_r(array_merge($optionsST, $pre, $optionsNB), true) . "\nAFTER:" . print_r(array_merge($optionsST, $optionsLI, $optionsNB), TRUE));
// $subTotalTax = 0;
// $sumOfLineTax = 0;
// }
// disable line-item tax details, leaving only TAXAMT subtotal as tax indicator
for ($k = 1, $n = $numberOfLineItemsProcessed + 1; $k < $n; $k++) {
if (isset($optionsLI["tax_{$k}"])) {
unset($optionsLI["tax_{$k}"]);
}
}
// check subtotals
if (strval($optionsST['subtotal']) > 0 && strval($subTotalLI) > 0 && strval($subTotalLI) != strval($optionsST['subtotal']) || strval($subTotalLI) - strval($sumOfLineItems) != 0) {
$ipn_logging('getLineItemDetails 5', 'Line-item subtotals do not add up properly. Line-item-details skipped.' . "\n" . strval($sumOfLineItems) . ' ' . strval($subTotalLI) . ' ' . print_r(array_merge($optionsST, $optionsLI), true));
$optionsLI = array();
$optionsLI["item_name_0"] = MODULE_PAYMENT_PAYPAL_PURCHASE_DESCRIPTION_TITLE;
$optionsLI["amount_0"] = $sumOfLineItems = $subTotalLI = $optionsST['subtotal'];
}
// check whether discounts are causing a problem
if (strval($optionsST['subtotal']) < 0) {
$pre = array_merge($optionsST, $optionsLI);
$optionsST['subtotal'] = $optionsST['amount'];
$optionsLI = array();
$optionsLI["item_name_0"] = MODULE_PAYMENT_PAYPAL_PURCHASE_DESCRIPTION_TITLE;
$optionsLI["amount_0"] = $sumOfLineItems = $subTotalLI = $optionsST['subtotal'];
if ($optionsST['amount'] < $optionsST['tax_cart']) {
$optionsST['tax_cart'] = 0;
}
if ($optionsST['amount'] < $optionsST['shipping']) {
$optionsST['shipping'] = 0;
}
$discountProblemsFlag = TRUE;
$this->zcLog('getLineItemDetails 6', 'Discounts have caused the subtotal to calculate incorrectly. Line-item-details cannot be submitted.' . "\nBefore:" . print_r($pre, TRUE) . "\nAfter:" . print_r(array_merge($optionsST, $optionsLI), true));
}
// if amount or subtotal values are 0 (ie: certain OT modules disabled), we have to get subtotals manually
if ((!isset($optionsST['amount']) || $optionsST['amount'] == 0 || $flagSubtotalsUnknownYet == TRUE || $optionsST['subtotal'] == 0) && $discountProblemsFlag != TRUE) {
$optionsST['subtotal'] = $sumOfLineItems;
$optionsST['tax_cart'] = $sumOfLineTax;
if ($subTotalShipping > 0) {
$optionsST['shipping'] = $subTotalShipping;
}
$optionsST['amount'] = $sumOfLineItems + $optionsST['tax_cart'] + $optionsST['shipping'];
}
ipn_logging('getLineItemDetails 7 - subtotal comparisons', 'BEFORE line-item calcs: ' . print_r($subtotalPRE, true) . ' - AFTER doing line-item calcs: ' . print_r(array_merge($optionsST, $optionsLI, $optionsNB), true));
// if subtotals are not adding up correctly, then skip sending any line-item or subtotal details to PayPal
$stAll = round(strval($optionsST['subtotal'] + $optionsST['tax_cart'] + $optionsST['shipping']), 2);
$stDiff = strval($optionsST['amount'] - $stAll);
$stDiffRounded = strval($stAll - round($optionsST['amount'], 2)) + 0;
// unset any subtotal values that are zero
if (isset($optionsST['subtotal']) && $optionsST['subtotal'] == 0) {
unset($optionsST['subtotal']);
}
if (isset($optionsST['tax_cart']) && $optionsST['tax_cart'] == 0) {
unset($optionsST['tax_cart']);
}
if (isset($optionsST['shipping']) && $optionsST['shipping'] == 0) {
unset($optionsST['shipping']);
}
// tidy up all values so that they comply with proper format (number_format(xxxx,2) for PayPal US use )
if (!defined('PAYPALWPP_SKIP_LINE_ITEM_DETAIL_FORMATTING') || PAYPALWPP_SKIP_LINE_ITEM_DETAIL_FORMATTING != 'true' || in_array($order->info['currency'], array('JPY', 'NOK', 'HUF'))) {
if (is_array($optionsST)) {
foreach ($optionsST as $key => $value) {
$optionsST[$key] = number_format($value, (int) $currencies->get_decimal_places($restrictedCurrency) == 0 ? 0 : 2);
}
}
if (is_array($optionsLI)) {
foreach ($optionsLI as $key => $value) {
if (substr($key, 0, 8) == 'tax_' && ($optionsLI[$key] == '' || $optionsLI[$key] == 0)) {
unset($optionsLI[$key]);
} else {
if (strstr($key, 'amount')) {
$optionsLI[$key] = number_format($value, (int) $currencies->get_decimal_places($restrictedCurrency) == 0 ? 0 : 2);
}
}
}
}
}
ipn_logging('getLineItemDetails 8', 'checking subtotals... ' . "\n" . print_r(array_merge(array('calculated total' => number_format($stAll, (int) $currencies->get_decimal_places($restrictedCurrency) == 0 ? 0 : 2)), $optionsST), true) . "\n-------------------\ndifference: " . ($stDiff + 0) . ' (abs+rounded: ' . ($stDiffRounded + 0) . ')');
if ($stDiffRounded != 0) {
ipn_logging('getLineItemDetails 9', 'Subtotals Bad. Skipping line-item/subtotal details');
return array();
}
ipn_logging('getLineItemDetails 10', 'subtotals balance - okay' . "\nSubmitting: " . print_r(array_merge($optionsST, $optionsLI, $optionsNB), true));
// Send Subtotal and LineItem results back to be submitted to PayPal
return array_merge($optionsST, $optionsLI, $optionsNB);
}
