Changeset 8472 for main/waeup.kofa/trunk/src/waeup/kofa/university/interfaces.py

Timestamp:

20 May 2012, 09:57:09 (12 years ago)

Author:

Henrik Bettermann

Message:

Add property is_postgrad.

Add invariant constraint to ICertificate.

File:

• main/waeup.kofa/trunk/src/waeup/kofa/university/interfaces.py (modified) (2 diffs)

main/waeup.kofa/trunk/src/waeup/kofa/university/interfaces.py

@@ -20 +20 @@
 
 from zope import schema
-from zope.interface import Attribute
+from zope.interface import Attribute, invariant, Invalid
 from waeup.kofa.interfaces import (IKofaObject, IKofaContainer)
 from waeup.kofa.interfaces import MessageFactory as _
@@ -245 +245 @@
         """
 
+    @invariant
+    def check_pg_conditions(cert):
+        if cert.start_level == 999 and not cert.end_level == 999:
+            raise Invalid(_("Start level and end level must correspond."))
+        if cert.end_level == 999 and not cert.start_level == 999:
+            raise Invalid(_("Start level and end level must correspond."))
+        if cert.study_mode.startswith('pg') and not cert.start_level == 999:
+            raise Invalid(_(
+                "Study mode, start level and end level must correspond."))
+        if cert.start_level == 999  and not cert.study_mode.startswith('pg'):
+            raise Invalid(_(
+                "Study mode, start level and end level must correspond."))
+
+
 class ICertificateAdd(ICertificate):
     """Representation of a certificate.