Edit of links and database versioning

backend/app/api/public.py

@@ -1,8 +1,11 @@
-from fastapi import APIRouter
+from fastapi import APIRouter, Depends
+from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
 
 from backend.app.services.link_service import list_public_links, list_public_users
+from backend.app.services.token_service import validate_token
 
 router = APIRouter()
+optional_bearer = HTTPBearer(auto_error=False)
 
 
 @router.get('/users')
@@ -12,7 +15,15 @@ def public_users():
 
 @router.get('/feed')
 @router.get('/feed/{username}')
-def public_feed(username: str | None = None):
+def public_feed(
+    username: str | None = None,
+    credentials: HTTPAuthorizationCredentials | None = Depends(optional_bearer),
+):
+    current_user_id = None
+    if credentials:
+        token_data = validate_token(credentials.credentials)
+        if token_data:
+            current_user_id = token_data['user_id']
     items = list_public_links(username)
     return [
         {
@@ -25,6 +36,8 @@ def public_feed(username: str | None = None):
                 'avatar_url': item['avatar_url'],
                 'bio': item['bio'],
             },
+            'is_owner': item['user_id'] == current_user_id,
+            'can_edit': item['user_id'] == current_user_id,
             'created_at': item['created_at'],
         }
         for item in items