From 80470b41c5510acc7798797fc58f39f0c69465f8 Mon Sep 17 00:00:00 2001
From: Lorenzo Battistini <lorenzo.battistini@agilebg.com>
Date: Fri, 10 May 2013 11:16:54 +0200
Subject: [PATCH] [add] methods

---
 stock_lot_valuation/stock.py | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/stock_lot_valuation/stock.py b/stock_lot_valuation/stock.py
index f0c9b3457..bc80286c0 100644
--- a/stock_lot_valuation/stock.py
+++ b/stock_lot_valuation/stock.py
@@ -21,10 +21,45 @@
 from openerp.osv import fields, orm
 from openerp.tools.translate import _
 
+class stock_production_lot(osv.osv):
+    _inherit = "stock.production.lot"
+    
+    _columns = {
+        'standard_price': fields.float('Cost', digits_compute=dp.get_precision('Lot Price'), help="Cost price (in company currency) of the lot used for standard stock valuation in accounting.", groups="base.group_user"),
+        'cost_method': fields.selection([('standard','Standard Price'), ('average','Average Price')], 'Costing Method', required=True,
+            help="Standard Price: The cost price is manually updated at the end of a specific period (usually every year). \nAverage Price: The cost price is recomputed at each incoming shipment."),
+        }
+    
+    def price_get(self, cr, uid, ids, context=None):
+        if context is None:
+            context = {}
+        res = {}
+        product_uom_obj = self.pool.get('product.uom')
+        for lot in self.browse(cr, uid, ids, context=context):
+            res[lot.id] = lot['standard_price'] or 0.0
+            if 'uom' in context:
+                uom = lot.product_id.uom_id or lot.product_id.uos_id
+                res[lot.id] = product_uom_obj._compute_price(cr, uid,
+                        uom.id, res[lot.id], context['uom'])
+            # Convert from price_type currency to asked one
+            if 'currency_id' in context:
+                res[lot.id] = self.pool.get('res.currency').compute(cr, uid,
+                    lot.company_id.currency_id.id,
+                    context['currency_id'], res[lot.id],context=context)
+        return res
+
 class stock_move(orm.Model):
     _inherit = "stock.move"
 
     def _get_reference_accounting_values_for_valuation(self, cr, uid, move, context=None):
         res = super(stock_move,self)._get_reference_accounting_values_for_valuation(
             cr, uid, move, context=context)
+        if not move.product_id.cost_method == 'average' or not move.price_unit:
+            if move.prodlot_id:
+                if context is None:
+                    context = {}
+                currency_ctx = dict(context, currency_id = move.company_id.currency_id.id)
+                amount_unit = move.prodlot_id.price_get(context=currency_ctx)[move.prodlot_id.id]
+                reference_amount = amount_unit * qty
+                res[0]  = reference_amount
         return res