function commerce_authnet_aim_credit_form_validate in Commerce Authorize.Net 7

Validate handler: check the credit amount before attempting credit request.

File

includes/commerce_authnet.admin.inc, line 234

Administrative forms for the Authorize.Net module.

Code

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

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

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

  // If the transaction is older than 120 days, display an error message and redirect.
  if (time() - $transaction->created > 86400 * 120) {
    drupal_set_message(t('This capture has passed its 120 day limit for issuing credits.'), 'error');
    drupal_goto('admin/commerce/orders/' . $form_state['order']->order_id . '/payment');
  }
}