establishment slug from index_name

apps/establishment/models.py

@@ -3,6 +3,7 @@ from datetime import datetime
 from functools import reduce
 from operator import or_
 from typing import List
+from slugify import slugify
 
 import elasticsearch_dsl
 from django.conf import settings
@@ -655,6 +656,14 @@ class Establishment(GalleryMixin, ProjectBaseMixin, URLImageMixin,
     def __str__(self):
         return f'id:{self.id}-{self.name}'
 
+    def save(self, *args, **kwargs):
+        slugify_slug = slugify(
+            self.index_name,
+            word_boundary=True
+        )
+        self.slug = slugify_slug
+        super(Establishment, self).save(*args, **kwargs)
+
     def delete(self, using=None, keep_parents=False):
         """Overridden delete method"""
         # TODO: If this does not contradict the plan,