Faturar ordens/pedidos pagos automaticamente

app/code/local/Gamuza/Itaushopline/Helper/Data.php

@@ -25,8 +25,10 @@
  * See the ChangeLog files for a list of changes.
  * These files are distributed with Gamuza_Itaushopline at http://code.google.com/p/gamuzaopen/.
  */
-
-class Gamuza_Itaushopline_Helper_Data
-extends Mage_Core_Helper_Abstract
+class Gamuza_Itaushopline_Helper_Data extends Mage_Core_Helper_Abstract
 {
+    public function log($message)
+    {
+        Mage::log($this->__($message), Zend_Log::INFO, 'gamuza_itaushopline.log');
+    }
 }

app/code/local/Gamuza/Itaushopline/Helper/Http.php

@@ -0,0 +1,52 @@
+<?php
+
+class Gamuza_Itaushopline_Helper_Http
+{
+    /**
+     * Do a GET request and return response content
+     *
+     * @param string     $url    URL to make request
+     * @param array|null $params Params to be passed to request
+     *
+     * @return string Response content
+     */
+    public function get($url, $params = null)
+    {
+        return $this->getUrlContent(Zend_Http_Client::GET, $url, $params);
+    }
+
+    /**
+     * Do a POST request and return response content
+     *
+     * @param string     $url    URL to make request
+     * @param array|null $params Params to be passed to request
+     *
+     * @return string Response content
+     */
+    public function post($url, $params = null)
+    {
+        return $this->getUrlContent(Zend_Http_Client::POST, $url, $params);
+    }
+
+    /**
+     * Make request and return response content
+     *
+     * @param string     $method Valid Zend_Http_Client constant
+     * @param string     $url    URL to make request
+     * @param array|null $params Params to be passed to request
+     *
+     * @return string
+     */
+    private function getUrlContent($method, $url, $params = null)
+    {
+        if (strpos($url, '://') === false) {
+            $url = "http://$url";
+        }
+
+        $request = new Zend_Http_Client($url);
+        $request->setParameterGet($params); // works for both GET and POST methods
+        $response = $request->request($method);
+
+        return $response->getBody();
+    }
+}

app/code/local/Gamuza/Itaushopline/Model/Cron.php

@@ -0,0 +1,85 @@
+<?php
+
+class Gamuza_Itaushopline_Model_Cron extends Mage_Core_Helper_Abstract
+{
+    const CHECK_URL = 'https://shopline.itau.com.br/shopline/consulta.aspx';
+    const PAYMENT_METHOD_CODE = 'itaushopline_standard';
+
+    /**
+     * Query all pending orders and check if its bank slip has been payed
+     */
+    public function checkPayments()
+    {
+        $orders = Mage::getModel('sales/order')->getCollection()
+            ->join(
+                ['payment' => 'sales/order_payment'],
+                'main_table.entity_id = payment.parent_id',
+                ['payment_method' => 'payment.method']
+            );
+
+        $secondsInAWeek = 604800;
+        $oneWeekAgoTimestamp = time() - $secondsInAWeek;
+
+        $orders->addFieldToFilter('payment.method', self::PAYMENT_METHOD_CODE)
+            ->addFieldToFilter('created_at', ['gteq' => Mage::getModel('core/date')->date(null, $oneWeekAgoTimestamp)])
+            ->addFieldToFilter('status', ['in' => ['pending', 'pending_payment']]);
+
+        if (!$orders->count()) {
+            return;
+        }
+
+        foreach ($orders as $order) {
+            $this->invoiceOrder($order);
+        }
+    }
+
+    /**
+     * Check if given order has been payed
+     *
+     * @param Mage_Sales_Model_Order $order Order to check payment
+     */
+    private function invoiceOrder(Mage_Sales_Model_Order $order)
+    {
+        $helper = Mage::helper('itaushopline');
+        $orderId = $order->getId();
+        $queryDc = Mage::getModel('itaushopline/transactions')
+            ->getCollection()
+            ->addFieldToFilter('order_id', $orderId)
+            ->getFirstItem()
+            ->getQueryDc();
+
+        $response = Mage::helper('itaushopline/http')->get(self::CHECK_URL, ['DC' => $queryDc]);
+        $isPayed = strpos($response, 'Pagamento efetuado') !== false;
+
+        if (!$isPayed) {
+            return;
+        }
+
+        if (!$order->canInvoice()) {
+            $helper->log("Não pôde faturar a ordem $orderId.");
+            Mage::throwException($this->__('Cannot create an invoice.'));
+        }
+
+        try {
+            $invoice = Mage::getModel('sales/service_order', $order)->prepareInvoice();
+
+            if (!$invoice->getTotalQty()) {
+                Mage::throwException($this->__('Cannot create an invoice without products.'));
+            }
+
+            $invoice->addComment($this->__('Fatura criada automaticamente após pagamento do Boleto Itáu Shopline'));
+            $invoice->setRequestedCaptureCase(Mage_Sales_Model_Order_Invoice::CAPTURE_OFFLINE);
+            $invoice->register();
+
+            $transactionSave = Mage::getModel('core/resource_transaction')->addObject($invoice)->addObject($invoice->getOrder());
+            $transactionSave->save();
+
+            $order->setState(Mage_Sales_Model_Order::STATE_PROCESSING, true)->save();
+            $order->sendOrderUpdateEmail(true, $this->__('Pagamento aprovado! Estamos preparando sua entrega.'));
+
+            $helper->log("Pedido $orderId faturado.");
+        } catch (Mage_Core_Exception $e) {
+            $helper->log("Erro ao faturar pedido $orderId.");
+        }
+    }
+}