asset: produkt, einheit + test

asset.py

@@ -8,6 +8,7 @@ from trytond.exceptions import UserError
 from trytond.i18n import gettext
 from trytond.transaction import Transaction
 from trytond.pool import Pool
+from trytond.pyson import Eval, Bool
 
 
 class Asset(ModelSQL, ModelView):
@@ -16,6 +17,21 @@ class Asset(ModelSQL, ModelView):
 
     company = fields.Many2One(string='Company', model_name='company.company',
         required=True, ondelete="RESTRICT")
+    product = fields.Many2One(string='Product', required=True,
+        model_name='product.product', ondelete='RESTRICT',
+        domain=[('type', '=', 'assets')])
+    product_uom = fields.Function(fields.Many2One(string='UOM Category',
+        readonly=True, model_name='product.uom.category',
+        help='Category of unit on the product.'),
+        'on_change_with_product_uom')
+    uom = fields.Many2One(string='UOM', required=True,
+        model_name='product.uom', ondelete='RESTRICT',
+        states={
+            'readonly': ~Bool(Eval('product')),
+        },
+        domain=[
+            ('category', '=', Eval('product_uom')),
+        ], depends=['product_uom', 'product'])
 
     company_currency = fields.Function(fields.Many2One(readonly=True,
         string='Company Currency', states={'invisible': True},
@@ -46,6 +62,35 @@ class Asset(ModelSQL, ModelView):
     def default_company():
         return Transaction().context.get('company') or None
 
+    @classmethod
+    def default_currency_digits(cls):
+        """ default: 2
+        """
+        return 2
+
+    @fields.depends('product', 'uom')
+    def on_change_product(self):
+        """ update unit by product
+        """
+        if self.product:
+            self.uom = self.product.default_uom
+            return
+        self.uom = None
+
+    @fields.depends('currency', 'currency_digits')
+    def on_change_currency(self):
+        """ update currency_digits by value on currency
+        """
+        if self.currency:
+            self.currency_digits = self.currency.digits
+
+    @fields.depends('product')
+    def on_change_with_product_uom(self, name=None):
+        """ get category of product-uom
+        """
+        if self.product:
+            return self.product.default_uom.category.id
+
     @fields.depends('currency')
     def on_change_with_currency_digits(self, name=None):
         """ currency of cashbook
@@ -65,4 +110,16 @@ class Asset(ModelSQL, ModelView):
                 if self.company.currency.id != self.currency.id:
                     return self.company.currency.id
 
+    def get_rec_name(self, name):
+        if self.product:
+            return self.product.rec_name
+        else:
+            return self.id
+
+    @classmethod
+    def search_rec_name(cls, name, clause):
+        """ search in rec_name
+        """
+        return [('product.rec_name',) + tuple(clause[1:])]
+
 # end Asset