handle HTTP requests to unfollow a user

Author: AliQassab

backend/endpoints.py

@@ -1,6 +1,6 @@
 from typing import Dict, Union
 from data import blooms
-from data.follows import follow, get_followed_usernames, get_inverse_followed_usernames
+from data.follows import follow, get_followed_usernames, get_inverse_followed_usernames, unfollow
 from data.users import (
     UserRegistrationError,
     get_suggested_follows,
@@ -149,6 +149,22 @@ def do_follow():
         }
     )
 
+@jwt_required()
+def do_unfollow(unfollow_username):
+    current_user = get_current_user()
+    unfollow_user = get_user(unfollow_username)
+
+    if unfollow_user is None:
+        return make_response(
+            (f"Cannot unfollow {unfollow_username} - user does not exist", 404)
+        )
+
+    unfollow(current_user, unfollow_user)
+    return jsonify(
+        {
+            "success": True,
+        }
+    )
 
 @jwt_required()
 def send_bloom():