Misc fixes and new function service_change

modules/service/classes/Model/Service.php

@@ -22,6 +22,7 @@ class Model_Service extends ORM_OSB {
 	protected $_has_many = array(
 		'invoice_item'=>array('far_key'=>'id'),
 		'invoice'=>array('through'=>'invoice_item'),
+		'service_change'=>array('far_key'=>'id'),
 	);
 	protected $_belongs_to = array(
 		'product'=>array(),
@@ -75,6 +76,10 @@ class Model_Service extends ORM_OSB {
 		return is_null($plugin=$this->plugin()) ? $this->product->name() : $plugin->name();
 	}
 
+	public function pending_change() {
+		return count($this->service_change->where_active()->where_open()->and_where('complete','!=',1)->or_where('complete','IS',null)->where_close()->find_all()->as_array());
+	}
+
 	/**
 	 * Display how much is due on this service
 	 */

modules/service/classes/Model/Service/Change.php

@@ -0,0 +1,49 @@
+<?php defined('SYSPATH') or die('No direct access allowed.');
+
+/**
+ * This class supports Service Product Changes.
+ *
+ * @package    OSB
+ * @subpackage Product/Service
+ * @category   Models
+ * @author     Deon George
+ * @copyright  (c) 2010 Open Source Billing
+ * @license    http://dev.osbill.net/license.html
+ */
+class Model_Service_Change extends ORM_OSB {
+	protected $_table_name = 'service_change';
+
+	// Relationships
+	protected $_belongs_to = array(
+		'product'=>array(),
+		'service'=>array(),
+	);
+
+	/**
+	 * Filters used to format the display of values into friendlier values
+	 */
+	protected $_display_filters = array(
+		'date_ordered'=>array(
+			array('Config::date',array(':value')),
+		),
+		'date_effective'=>array(
+			array('Config::date',array(':value')),
+		),
+	);
+
+	public function list_details() {
+		if ($this->_db_pending) {
+			$output = array();
+
+			foreach ($this->find_all() as $sco) {
+				array_push($output,sprintf('%s %s',$sco->product->name(),$sco->display('date_effective'))); 
+			}
+
+		} else {
+			throw new Kohana_Exception('Shouldnt be here!');
+		}
+
+		return join('|',$output);
+	}
+}
+?>