1 files changed, 23 insertions, 0 deletions
diff --git a/apps/utils/util.py b/apps/utils/util.py
index 0c089ee..899b73f 100644
--- a/apps/utils/util.py
+++ b/apps/utils/util.py
@@ -1,5 +1,8 @@
 import re
+import random
+import string
 from django.apps import apps
+from django.utils.text import slugify
 from django.template.loader import render_to_string
 from bs4 import BeautifulSoup
 import markdown
@@ -82,3 +85,23 @@ def parse_video(s):
     if soup.find('video'):
         return True
     return False
+
+
+def random_string_generator(size=10, chars=string.ascii_lowercase + string.digits):
+    return ''.join(random.choice(chars) for _ in range(size))
+
+
+def unique_slug_generator(instance, new_slug=None):
+    if new_slug is not None:
+        slug = new_slug
+    else:
+        slug = slugify(instance.title)
+    Klass = instance.__class__
+    qs_exists = Klass.objects.filter(slug=slug).exists()
+    if qs_exists:
+        new_slug = "{slug}-{randstr}".format(
+                    slug=slug,
+                    randstr=random_string_generator(size=4)
+                )
+        return unique_slug_generator(instance, new_slug=new_slug)
+    return slug