/**
* Post new invoice to Capayable
*
* @param $invoice
* @return mixed
*/
public function processApiInvoice($invoice)
{
$order_id = $invoice->getOrder()->getIncrementId();
//$sender_email = Mage::getStoreConfig(Mage_Sales_Model_Order_Invoice::XML_PATH_EMAIL_IDENTITY);
$sender_email = Mage::getStoreConfig('trans_email/ident_sales/email');
// Initialize new api invoice
$apiInvoice = new Tritac_CapayableApiClient_Models_Invoice();
// Set required information
$apiInvoice->setTransactionNumber($invoice->getTransactionId());
$apiInvoice->setInvoiceNumber($invoice->getIncrementId());
$apiInvoice->setInvoiceAmount($this->getHelper()->convertToCents($invoice->getGrandTotal()));
$apiInvoice->setInvoiceDescription(Mage::helper('capayable')->__('Order') . ' ' . $order_id);
// Don't change this line, it's used for filtering in de Capayable invoice mailbox
// It's required to print the Order ID in the email subject when sending your invoice
// Please strip the invoice ID when used to be sure no mixed up will occur between invoice and order IDs
$apiInvoice->setInvoiceByEmail($sender_email, "{$order_id}");
// Register new invoice with Capayable
// Fetch Store ID and key pair for selected store (admin store is always 0)
// Create new admin client, with correct key pair to process invoice
$store_id = $invoice->getOrder()->getStore()->getId();
$public_key = Mage::getStoreConfig('capayable/capayable/public_key', $store_id);
$secret_key = Mage::getStoreConfig('capayable/capayable/secret_key', $store_id);
$adminClient = new Tritac_CapayableApiClient_Client($public_key, $secret_key, $this->_helper->getMode());
$isAccepted = $adminClient->registerInvoice($apiInvoice);
return $isAccepted;
}