function commerce_paypal_wpp_capture_form_validate in Commerce PayPal 7

Same name and namespace in other branches

1. 7.2 modules/wpp/includes/commerce_paypal_wpp.admin.inc \commerce_paypal_wpp_capture_form_validate()

Validate handler: ensure a valid amount is given.

File

modules/wpp/includes/commerce_paypal_wpp.admin.inc, line 67

Administrative forms for the PayPal WPP module.

Code

function commerce_paypal_wpp_capture_form_validate($form, &$form_state) {
  $transaction = $form_state['transaction'];
  $amount = $form_state['values']['amount'];

  // Ensure a positive numeric amount has been entered for capture.
  if (!is_numeric($amount) || $amount <= 0) {
    form_set_error('amount', t('You must specify a positive numeric amount to capture.'));
  }

  // Ensure the amount is within the allowed limit for PayPal authorizations.
  $authorization_amount = commerce_currency_amount_to_decimal($transaction->amount, $transaction->currency_code);
  $authorization_amount_upper = commerce_currency_amount_to_decimal($transaction->amount + 75, $transaction->currency_code);
  if ($amount > $authorization_amount * 1.15 || $amount > $authorization_amount_upper) {
    form_set_error('amount', t('You cannot capture an amount $75 or 115% greater than the authorization amount in PayPal WPP.'));
  }

  // If the authorization has expired, display an error message and redirect.
  if (REQUEST_TIME - $transaction->created > 86400 * 29) {
    drupal_set_message(t('This authorization has passed its 29 day limit cannot be captured.'), 'error');
    drupal_goto('admin/commerce/orders/' . $form_state['order']->order_id . '/payment');
  }
}