🚸 Generate consistent aliases using hashes

app/views/__init__.py

@@ -1,6 +1,10 @@
+import base64
+import hashlib
 import random
 import string
 
+from ..config import SHORT_URL_LEN
+
 from .home_view import HomeView
 from .wildcard_view import WildcardView
 from .download import Download
@@ -13,6 +17,7 @@ from .logout_view import LogoutView
 from .middlewhere import middleware_factory
 
 
+
 class Views(
     HomeView,
     Download,
@@ -33,12 +38,15 @@ class Views(
         chat_id = chat.id
         title = chat.title
         while True:
-            alias_id = "".join(
-                [
-                    random.choice(string.ascii_letters + string.digits)
-                    for _ in range(len(str(chat_id)))
-                ]
-            )
+            # alias_id = "".join(
+            #     [
+            #         random.choice(string.ascii_letters + string.digits)
+            #         for _ in range(len(str(chat_id)))
+            #     ]
+            # )
+            orig_id = f"{title}{chat_id}" # the original id
+            alias_id = base64.urlsafe_b64encode(hashlib.md5(orig_id.encode()).digest())[:SHORT_URL_LEN].decode()
+
             if alias_id in self.chat_ids:
                 continue