function commerce_sagepay_release_form_validate in Drupal Commerce SagePay Integration 7

Validate handler: ensure a valid amount is given.

File

includes/commerce_sagepay_release.inc, line 71

Code

function commerce_sagepay_release_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 release.'));
  }

  // Ensure the amount is less than or equal to the transaction amount.
  if ($amount > commerce_currency_amount_to_decimal($transaction->amount, $transaction->currency_code)) {
    form_set_error('amount', t('You cannot release more than you deferred through SagePay.'));
  }

  // If the transaction has expired, display an error message and redirect.
  if (time() - $transaction->created > 86400 * 30) {
    drupal_set_message(t('This authorization has passed its 90 day limit cannot be released.'), 'error');
    drupal_goto('admin/commerce/orders/' . $form_state['order']->order_id . '/payment');
  }
}