addPermission changed to addPortalContent

fixed Solanes typo
add inventory acquisition method


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@410 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/InventoryCell.py

 ##############################################################################
 #
 # Copyright (c) 2002 Nexedi SARL and Contributors. All Rights Reserved.
-#                    Jean-Paul Smets-Solane <jp@nexedi.com>
+#                    Jean-Paul Smets-Solanes <jp@nexedi.com>
 #
 # WARNING: This program as such is intended to be used by professional
 # programmers who take the whole responsability of assessing all potential
@@ -44,7 +44,7 @@ class InventoryCell(DeliveryCell):
 
     meta_type = 'ERP5 Inventory Cell'
     portal_type = 'Inventory Cell'
-    add_permission = Permissions.AddERP5Content
+    add_permission = Permissions.AddPortalContent
     isPortalContent = 1
     isRADContent = 1
     isMovement = 1
@@ -196,6 +196,21 @@ Une ligne tarifaire."""
         return self.getInventory() - current_inventory
       return self.getInventory()
 
+    security.declareProtected( Permissions.AccessContentsInformation, 'getInventory' )
+    def getInventory(self):
+      """
+        Returns the quantity if defined on the cell
+        or acquire it
+      """
+      # Call a script on the context
+      if 'inventory' in self.getMappedValuePropertyList([]):
+        if getattr(aq_base(self), 'inventory', None) is not None:
+          return getattr(self, 'inventory')
+        else:
+          return self.aq_parent.getProperty('inventory')
+      else:
+        return None # return None
+
     def _setItemIdList(self, value):
       """
         Computes total_quantity of all given items and stores this total_quantity