Remove Property fields

issue2349
review35331002

__init__.py

@@ -2,13 +2,12 @@
 # this repository contains the full copyright notices and license terms.
 
 from trytond.pool import Pool
-from .ir import *
 from .product import *
 
 
 def register():
     Pool.register(
-        Property,
+        ProductCostPrice,
         ProductCostHistory,
         module='product_cost_history', type_='model')
     Pool.register(

ir.py

@@ -1,11 +0,0 @@
-# This file is part of Tryton.  The COPYRIGHT file at the top level of
-# this repository contains the full copyright notices and license terms.
-from trytond.pool import PoolMeta
-
-__all__ = ['Property']
-
-
-class Property:
-    __metaclass__ = PoolMeta
-    __name__ = 'ir.property'
-    _history = True

product.py

@@ -3,15 +3,20 @@
 from sql import Column
 from sql.aggregate import Max
 from sql.conditionals import Coalesce
-from sql.functions import Trim, Substring
 
 from trytond.model import ModelView, ModelSQL, fields
 from trytond.wizard import Wizard, StateAction
 from trytond.pyson import PYSONEncoder
-from trytond.pool import Pool
+from trytond.pool import Pool, PoolMeta
 from trytond.transaction import Transaction
 
-__all__ = ['ProductCostHistory', 'OpenProductCostHistory']
+__all__ = ['ProductCostPrice', 'ProductCostHistory', 'OpenProductCostHistory']
+
+
+class ProductCostPrice:
+    __metaclass__ = PoolMeta
+    __name__ = 'product.cost_price'
+    _history = True
 
 
 class ProductCostHistory(ModelSQL, ModelView):
@@ -30,29 +35,20 @@ class ProductCostHistory(ModelSQL, ModelView):
     @classmethod
     def table_query(cls):
         pool = Pool()
-        Property = pool.get('ir.property')
-        Field = pool.get('ir.model.field')
-        property_history = Property.__table_history__()
-        field = Field.__table__()
-        return property_history.join(field,
-            condition=field.id == property_history.field
-            ).select(Max(Column(property_history, '__id')).as_('id'),
-                Max(property_history.create_uid).as_('create_uid'),
-                Max(property_history.create_date).as_('create_date'),
-                Max(property_history.write_uid).as_('write_uid'),
-                Max(property_history.write_date).as_('write_date'),
-                Coalesce(property_history.write_date,
-                    property_history.create_date).as_('date'),
-                Trim(Substring(property_history.res, ',.*'), 'LEADING', ','
-                    ).cast(cls.template.sql_type().base).as_('template'),
-                Trim(property_history.value, 'LEADING', ','
-                    ).cast(cls.cost_price.sql_type().base).as_('cost_price'),
-                where=(field.name == 'cost_price')
-                & property_history.res.like('product.template,%'),
-                group_by=(property_history.id,
-                    Coalesce(property_history.write_date,
-                        property_history.create_date),
-                    property_history.res, property_history.value))
+        ProductCostPrice = pool.get('product.cost_price')
+        history = ProductCostPrice.__table_history__()
+        return history.select(Max(Column(history, '__id')).as_('id'),
+            Max(history.create_uid).as_('create_uid'),
+            Max(history.create_date).as_('create_date'),
+            Max(history.write_uid).as_('write_uid'),
+            Max(history.write_date).as_('write_date'),
+            Coalesce(history.write_date,
+                history.create_date).as_('date'),
+            history.template.as_('template'),
+            history.cost_price.as_('cost_price'),
+            group_by=(history.id,
+                Coalesce(history.write_date, history.create_date),
+                history.template, history.cost_price))
 
 
 class OpenProductCostHistory(Wizard):