Changeset 12768 for main/waeup.ikoba/trunk/src/waeup/ikoba/customers/interfaces.py

Timestamp:

15 Mar 2015, 13:02:49 (10 years ago)

Author:

Henrik Bettermann

Message:

Add constraint to forbid the selection of options with different currencies.

File:

• main/waeup.ikoba/trunk/src/waeup/ikoba/customers/interfaces.py (modified) (3 diffs)

main/waeup.ikoba/trunk/src/waeup/ikoba/customers/interfaces.py

@@ -37 +37 @@
 
 
+# Define a validation method for product options
+class CurrencyMismatch(schema.ValidationError):
+    __doc__ = u"Currency mismatch"
+
+
+def unique_currency(value):
+    currencies = set([x.currency for x in value])
+    if len(currencies) > 1:
+        raise CurrencyMismatch(value)
+    return True
+
+
 class ICustomersUtils(Interface):
     """A collection of methods which are subject to customization.
@@ -324 +336 @@
             required = True,
             ),
+        constraint=unique_currency,
         required = False,
         readonly = False,
@@ -379 +392 @@
     product_options = schema.List(
         value_type = ProductOptionField(),
+        constraint=unique_currency,
         required = False,
         readonly = False,