[IMP] point_of_sale,product: add the view_init in pos_discount and fix the problem of price

bzr revid: sbh@tinyerp.com-20100405131456-rryojlpix96y62d0

addons/point_of_sale/wizard/pos_discount.py

@@ -35,6 +35,14 @@ class pos_discount(osv.osv_memory):
         'discount': lambda *a: 5,
     }
 
+        
+    def view_init(self, cr, uid, fields_list, context=None):
+        res = super(pos_discount, self).view_init(cr, uid, fields_list, context=context)
+        record_id = context and context.get('active_id', False) or False        
+        order = self.pool.get('pos.order').browse(cr, uid, record_id)
+        if not order.lines:
+                raise osv.except_osv('Error!','No Order Lines ')
+        True
     def apply_discount(self, cr, uid, ids, context):
         """
          To give the discount of  product and check the.
@@ -52,7 +60,7 @@ class pos_discount(osv.osv_memory):
 
         order_ref = self.pool.get('pos.order')
         order_line_ref = self.pool.get('pos.order.line')
-
+            
         for order in order_ref.browse(cr, uid, record_id, context=context):
 
             for line in order.lines:

addons/point_of_sale/wizard/pos_payment.py

@@ -84,7 +84,7 @@ class pos_make_payment(osv.osv_memory):
         record_id = context and context.get('active_id', False) or False        
         order = self.pool.get('pos.order').browse(cr, uid, record_id)
         if not order.lines:
-                raise osv.except_osv('Error!','No Order Lines ')
+                raise osv.except_osv('Error!','No order lines defined for this sale ')
         True
     
     def fields_view_get(self, cr, uid, view_id=None, view_type='form', context=None, toolbar=False, submenu=False):

addons/product/pricelist.py

@@ -136,6 +136,8 @@ class product_pricelist(osv.osv):
             'date': Date of the pricelist (%Y-%m-%d),
         }
         '''
+        price=False
+        item_id=0
         context = context or {}
         currency_obj = self.pool.get('res.currency')
         product_obj = self.pool.get('product.product')