Still work in progress

app/code/community/Bitpay/Bitcoins/Model/Ipn.php

@@ -31,9 +31,8 @@ class Bitpay_Bitcoins_Model_Ipn extends Mage_Core_Model_Abstract
      */
     function _construct()
     {
+        parent::_construct();
         $this->_init('Bitcoins/ipn');
-
-        return parent::_construct();
     }
 
     /**
@@ -133,4 +132,68 @@ class Bitpay_Bitcoins_Model_Ipn extends Mage_Core_Model_Abstract
     {
         return $this->GetStatusReceived($quoteId, array('confirmed', 'complete'));
     }
+
+    /**
+     * This method returns an array of orders in the database that have paid
+     * using bitcoins, but are still open and we need to query the invoice
+     * IDs at BitPay and see if they invoice has expired, is invalid, or is
+     * complete.
+     *
+     * @return array
+     */
+    public function getOpenOrders()
+    {
+        $doneCollection = $this->getCollection();
+
+        /**
+         * Get all the IPNs that have been completed
+         *
+         * SELECT
+         *   order_id
+         * FROM
+         *   bitpay_ipns
+         * WHERE
+         *   status IN ('completed','invalid','expired') AND order_id IS NOT NULL
+         * GROUP BY
+         *   order_id
+         */
+        $doneCollection
+            ->addFieldToFilter('status', array('in' => array('completed','invalid','expired')))
+            ->getSelect()
+            //->where('status IN (?)', array('completed','invalid','expired'))
+            //->where('order_id IS NOT NULL')
+            ->group('order_id');
+        Mage::log($doneCollection->toArray(), null, 'bitpay.log');
+        Mage::log($doneCollection->getColumnValues('order_id'), null, 'bitpay.log');
+        Mage::log((string) $doneCollection->getSelect(), null, 'bitpay.log');
+
+        return array();
+
+        $collection = $this->getCollection();
+
+        /**
+         * Get all the open orders that have not received a IPN that closes
+         * the invoice.
+         *
+         * SELECT
+         *   *
+         * FROM
+         *   bitpay_ipns
+         * JOIN
+         *   'sales/order' ON bitpay_ipns.order_id='sales/order'.increment_id
+         * WHERE
+         *   order_id NOT IN (?) AND order_id IS NOT NULL
+         * GROUP BY
+         *   order_id
+         */
+        $collection
+            ->getSelect()
+            ->join(
+                array('order' => $this->getTable('sales/order')),
+                'main_table.order_id = order.increment_id'
+            )
+            ->where('main_table.order_id NOT IN (?)', $doneCollection->getColumnValues('order_id'));
+
+        return $collection->toArray();
+    }
 }

app/code/community/Bitpay/Bitcoins/Model/Observer.php

@@ -0,0 +1,94 @@
+<?php
+
+/**
+ * The MIT License (MIT)
+ * 
+ * Copyright (c) 2011-2014 BitPay LLC
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+class Bitpay_Bitcoins_Model_Observer
+{
+
+    /**
+     * Queries BitPay to update the order states in magento to make sure that
+     * open orders are closed/canceled if the BitPay invoice expires or becomes
+     * invalid.
+     */
+    public function updateOrderStates()
+    {
+        Mage::log(
+            'cronjob: started',
+            Zend_Log::DEBUG,
+            'bitpay.log'
+        );
+
+        $apiKey = Mage::getStoreConfig('payment/Bitcoins/api_key');
+
+        if (empty($apiKey)) {
+            Mage::log(
+                'cronjob: Api Key not set.',
+                Zend_Log::ERR,
+                'bitpay.log'
+            );
+            return; // Api Key needs to be set
+        }
+
+
+        /**
+         * Get all of the orders that are open and have not received an IPN for
+         * complete, expired, or invalid.
+         *
+         * If anyone knows of a better way to do this, please let me know
+         */
+        $orders = Mage::getModel('Bitcoins/ipn')->getOpenOrders();
+
+        /**
+         * Get all orders that have been paid using bitpay and
+         * are not complete/closed/etc
+         */
+        foreach ($orders as $order) {
+            /**
+             * Query BitPay with the invoice ID to get the status. We must take
+             * care not to anger the API limiting gods and disable our access
+             * to the API.
+             */
+            $status = null;
+
+            // Does the order need to be updated?
+            // Yes? Update Order Status
+            // No? continue
+        }
+
+        Mage::log(
+            'cronjob: end',
+            Zend_Log::DEBUG,
+            'bitpay.log'
+        );
+    }
+
+    /**
+     * This is called to clean up old IPNs in the bitpay_ipn table
+     */
+    public function cleanIpnTable()
+    {
+        // @TODO
+    }
+}

app/code/community/Bitpay/Bitcoins/etc/config.xml

@@ -96,6 +96,27 @@
         </resources>
     </global> 
 
+    <crontab>
+        <jobs>
+            <bitpay_bitcoins>
+                <schedule>
+                    <!--
+                        Everyday at midnight
+                    <cron_expr>0 0 * * *</cron_expr>
+                    -->
+                    <!--
+                        Debug
+                        Every 5 Minutes
+                    -->
+                    <cron_expr>*/1 * * * *</cron_expr>
+                </schedule>
+                <run>
+                    <model>Bitcoins/Observer::updateOrderStates</model>
+                </run>
+            </bitpay_bitcoins>
+        </jobs>
+    </crontab>
+
     <default>
         <payment>
             <Bitcoins>