[fix] Removed verb field from DB #334

Removed verb field from DB, verb now updates from
config from NOTIFICATION_TYPES.

Fixes #334

Author: Pranshu

openwisp_notifications/base/models.py

@@ -107,10 +107,10 @@ def verb(self):
         try:
             config = get_notification_configuration(self.type)
         except (NotificationRenderException, TypeError) as e:
-            logger.warning(
-                "Could not get notification config for type %s: %s", self.type, e
+            logger.error(
+                "Couldn't get notification config for type %s : %s", self.type, e
             )
-        return self.__dict__.get("verb") or config.get("verb")
+        return config.get("verb") or self.__dict__.get("verb")
 
     @verb.setter
     def verb(self, value):

openwisp_notifications/migrations/0012_alter_notification_verb_nullable.py renamed to openwisp_notifications/migrations/0012_remove_notification_verb.py

@@ -10,9 +10,8 @@ class Migration(migrations.Migration):
     ]
 
     operations = [
-        migrations.AlterField(
+        migrations.RemoveField(
             model_name="notification",
             name="verb",
-            field=models.CharField(max_length=255, null=True, blank=True),
         ),
     ]