Rename purchase state from cancel to cancelled

issue8927
review305681002

doc/index.rst

@@ -21,7 +21,7 @@ can be in one of these states:
 * Purchased
 
   A Purchased request is a request that is linked to a purchase which
-  is not in state Done or Cancel.
+  is not Done or Cancelled.
 
 * Done
 

purchase.py

@@ -70,7 +70,7 @@ class Purchase(metaclass=PoolMeta):
 
     @classmethod
     @ModelView.button
-    @Workflow.transition('cancel')
+    @Workflow.transition('cancelled')
     @process_request
     def cancel(cls, purchases):
         super(Purchase, cls).cancel(purchases)

purchase_request.py

@@ -224,10 +224,10 @@ class PurchaseRequest(ModelSQL, ModelView):
 
     def get_state(self):
         if self.purchase_line:
-            if (self.purchase_line.purchase.state == 'cancel'
+            if (self.purchase_line.purchase.state == 'cancelled'
                     and not self.exception_ignored):
                 return 'exception'
-            elif self.purchase_line.purchase.state == 'cancel':
+            elif self.purchase_line.purchase.state == 'cancelled':
                 return 'cancelled'
             elif self.purchase_line.purchase.state == 'done':
                 return 'done'