Changeset 12145 for main/waeup.ikoba/trunk/src/waeup/ikoba/customers/workflow.py

Timestamp:

4 Dec 2014, 18:11:12 (10 years ago)

Author:

Henrik Bettermann

Message:

Undo the approval of contract and raise an exception if contract
does not meet the requirements for approval.

File:

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

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

@@ -22 +22 @@
 from zope.component import getUtility
 from hurry.workflow.workflow import Transition, WorkflowState, NullCondition
-from hurry.workflow.interfaces import IWorkflowState, IWorkflowTransitionEvent
+from hurry.workflow.interfaces import (
+    IWorkflowState, IWorkflowTransitionEvent, InvalidTransitionError)
 from waeup.ikoba.interfaces import (
     IObjectHistory, IIkobaWorkflowInfo, IIkobaUtils,
@@ -28 +29 @@
     SUBMITTED, VERIFIED, REJECTED, EXPIRED)
 from waeup.ikoba.interfaces import MessageFactory as _
-from waeup.ikoba.workflow import IkobaWorkflow, IkobaWorkflowInfo
+from waeup.ikoba.workflow import (
+    IkobaWorkflow, IkobaWorkflowInfo)
 from waeup.ikoba.customers.interfaces import (
     ICustomer, ICustomersUtils,
@@ -238 +240 @@
 
 @grok.subscribe(IContract, IWorkflowTransitionEvent)
-def handle_document_transition_event(obj, event):
-    """Append message to contract history and log file and update
+def handle_contract_transition_event(obj, event):
+    """Append message to contract history and log file, also update
     last_transition_date when transition happened.
-    """
+
+    Undo the approval of contract and raise an exception if contract
+    does not meet the requirements for approval.
+    """
+    if event.transition.destination == APPROVED:
+        if not obj.is_approvable:
+            # Undo transition and raise an exception.
+            IWorkflowState(obj).setState(event.transition.source)
+            raise InvalidTransitionError(
+                "Documents must be verified first.")
     msg = event.transition.user_data['msg']
     history = IObjectHistory(obj)