Site/Module setup work and auto_format fixes

modules/service/classes/model/service.php

@@ -147,14 +147,13 @@ class Model_Service extends ORMOSB {
 
 	/**
 	 * List services that need to be billed.
+	 *
+	 * @param $days int Additional number of days to add to the query, above the module config.
 	 */
-	public function list_invoicesoon() {
-		// @todo This needs to be configurable
-		$days = 35;
-
+	public function list_invoicesoon($days=0) {
 		return $this->_list_active()
 			->where_open()->where('suspend_billing','IS',NULL)->or_where('suspend_billing','=','0')->where_close()
-			->where('date_next_invoice','<',time()+$days*86400)
+			->where('date_next_invoice','<',time()+(ORM::factory('invoice')->config('GEN_DAYS')+$days)*86400)
 			->find_all();
 	}