vm: add Node.get_status_display

circle/vm/models/node.py

@@ -77,18 +77,19 @@ class Node(TimeStampedModel):
 
     num_cores = property(get_num_cores)
 
+    STATES = {False: {False: ('OFFLINE', _('offline')),
+                      True: ('DISABLED', _('disabled'))},
+              True: {False: ('MISSING', _('missing')),
+                     True: ('ONLINE', _('online'))}}
+
     @property
     def state(self):
         """The state combined of online and enabled attributes.
         """
-        if self.enabled and self.online:
-            return 'ONLINE'
-        elif self.enabled and not self.online:
-            return 'MISSING'
-        elif not self.enabled and self.online:
-            return 'DISABLED'
-        else:
-            return 'OFFLINE'
+        return self.STATES[self.enabled][self.online][0]
+
+    def get_status_display(self):
+        return self.STATES[self.enabled][self.online][1]
 
     def disable(self, user=None):
         ''' Disable the node.'''