Work on Email and other major consistency work

modules/invoice/classes/Model/Invoice/Item.php

@@ -188,9 +188,6 @@ class Model_Invoice_Item extends ORM_OSB {
 	}
 
 	public function save(Validation $validation = NULL) {
-		if (! $this->changed())
-			return;
-
 		// Save the invoice item
 		parent::save($validation);
 
@@ -214,9 +211,6 @@ class Model_Invoice_Item extends ORM_OSB {
 					// @todo Rounding here should come from a global config
 					$iito->amount = round($tax['amount'],2);
 
-					if (! $iito->check())
-						throw new Kohana_Exception('Couldnt save tax for some reason - failed check()?');
-
 					$iito->save();
 
 					if (! $iito->saved())
@@ -224,6 +218,8 @@ class Model_Invoice_Item extends ORM_OSB {
 				}
 		} else
 			throw new Kohana_Exception('Couldnt save invoice_item for some reason?');
+
+		return $this;
 	}
 }
 ?>