Added agenda validation

apps/news/serializers.py

@@ -230,6 +230,13 @@ class NewsBackOfficeBaseSerializer(NewsBaseSerializer):
                     for locale in locales:
                         if not attrs[key].get(locale):
                             attrs[key][locale] = getattr(instance, key).get(locale)
+
+        if 'agenda' in attrs:
+            agenda = models.Agenda.objects.get(attrs['agenda'])
+
+            if agenda.event_name is None or agenda.content is None:
+                raise serializers.ValidationError({'agenda': _('Agenda is empty')})
+
         return attrs
 
     def create(self, validated_data):