getQuantity now takes into account pas movements in same node/section

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@365 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/InventoryCell.py

@@ -180,11 +180,21 @@ Une ligne tarifaire."""
       quantity = self._baseGetQuantity()
       if quantity not in (0.0, 0, None):
         return quantity
-      return self.getInventory()
       # Find total of movements in the past - XXX
-      current_inventory = self.InventoryLine_zGetInventoryList(
-        section_uid = self.getDestinationSectionUid(), node_uid = getDestinationUid())[0].inventory
+      resource_value = self.getResourceValue()
+      if resource_value is not None:
+        # Inventories can only be done in "real" locations / sectinos, not categories thereof
+        #  -> therefore we use node and section
+        current_inventory = resource_value.getInventory(
+                                    at_date = self.getStartDate(),
+                                    variation_text = self.getVariationText(),
+                                    node = self.getDestination(),
+                                    section = self.getDestinationSection())
+        inventory = self.getInventory()
+        if inventory in (None, ''):
+          return None # Do not change inventory if no inventory value provided
         return self.getInventory() - current_inventory
+      return self.getInventory()
 
     def _setItemIdList(self, value):
       """

product/ERP5/Document/InventoryLine.py

@@ -153,9 +153,20 @@ Une ligne tarifaire."""
           return quantity
         return self.getInventory()
         # Find total of movements in the past - XXX
-        current_inventory = self.InventoryLine_zGetInventoryList(
-          section_uid = self.getDestinationSectionUid(), node_uid = getDestinationUid())[0].inventory
+        resource_value = self.getResourceValue()
+        if resource_value is not None:
+          # Inventories can only be done in "real" locations / sectinos, not categories thereof
+          #  -> therefore we use node and section
+          current_inventory = resource_value.getInventory(
+                        at_date = self.getStartDate(),
+                        variation_text = self.getVariationText(),
+                        node = self.getDestination(),
+                        section = self.getDestinationSection())
+          inventory = self.getInventory()
+          if inventory in (None, ''):
+            return None # Do not change inventory if no inventory value provided
           return self.getInventory() - current_inventory
+        return self.getInventory()
       else:
         return None