#99 Admin backend cleanup

* removes admin backend views which are not important for production
* adds filtering functionalities on index views
* simplifies detail views on intervention, compensation, ecoaccount and ema
* adds autocomplete fields on detail views
* adds handy horizontal filter fields on detail views

news/models.py

@@ -2,6 +2,7 @@ from django.db import models
 from django.utils.translation import gettext_lazy as _
 
 from konova.models import BaseResource
+from user.models import UserActionLogEntry
 
 
 class ServerMessageImportance(models.TextChoices):
@@ -23,3 +24,13 @@ class ServerMessage(BaseResource):
     publish_on = models.DateTimeField()
     unpublish_on = models.DateTimeField()
     importance = models.CharField(max_length=100, choices=ServerMessageImportance.choices)
+
+    def save(self, user=None, *args, **kwargs):
+        user = kwargs.pop("user", None)
+        if user is not None:
+            if self.created is None:
+                self.created = UserActionLogEntry.get_created_action(user)
+            else:
+                self.modified = UserActionLogEntry.get_edited_action(user)
+
+        super().save(*args, **kwargs)