SimulationTool: add unit_price parameter to get unit price

product/ERP5/Tool/SimulationTool.py

@@ -1833,6 +1833,7 @@ class SimulationTool(BaseTool):
     def getInventoryAssetPrice(self, src__=0,
                                simulation_period='',
                                valuation_method=None,
+                               unit_price = False,
                                **kw):
       """
       Same thing as getInventory but returns an asset
@@ -1870,6 +1871,8 @@ class SimulationTool(BaseTool):
         'MonthlyWeightedAverage', 'MovingAverage'):
         raise ValueError("Invalid valuation method: %s" % valuation_method)
 
+      if unit_price and valuation_method in ('Fifo', 'Filo'):
+         raise ValueError("Unit price is inavailable for valuation method: %s" % valuation_method)
       assert 'node_uid' in kw or 'section_uid' in kw
       sql_kw = self._generateSQLKeywordDict(**kw)
 
@@ -1887,6 +1890,8 @@ class SimulationTool(BaseTool):
         return result
 
       if len(result) > 0:
+        if unit_price:
+          return result[-1].unit_price
         return result[-1].total_asset_price
 
     security.declareProtected(Permissions.AccessContentsInformation,