Edit of links and database versioning

backend/app/api/links.py

@@ -1,7 +1,7 @@
 from fastapi import APIRouter, Header, HTTPException, status
 from pydantic import BaseModel
 
-from backend.app.services.link_service import create_link, list_public_links
+from backend.app.services.link_service import create_link, list_public_links, update_link
 from backend.app.services.plugin_manager import plugin_manager
 from backend.app.services.token_service import validate_token
 
@@ -15,6 +15,12 @@ class LinkCreate(BaseModel):
     timestamp: str | None = None
 
 
+class LinkUpdate(BaseModel):
+    title: str
+    url: str
+    comment: str = ''
+
+
 @router.post('/links', status_code=status.HTTP_201_CREATED)
 def create_link_endpoint(payload: LinkCreate, authorization: str | None = Header(default=None)):
     if not authorization or not authorization.startswith('Bearer '):
@@ -29,6 +35,24 @@ def create_link_endpoint(payload: LinkCreate, authorization: str | None = Header
     return record
 
 
+@router.put('/links/{link_id}')
+def update_link_endpoint(
+    link_id: str,
+    payload: LinkUpdate,
+    authorization: str | None = Header(default=None),
+):
+    if not authorization or not authorization.startswith('Bearer '):
+        raise HTTPException(status_code=401, detail='Missing or invalid Authorization header')
+    info = validate_token(authorization.replace('Bearer ', '', 1))
+    if info is None:
+        raise HTTPException(status_code=401, detail='Token expired or invalid')
+
+    record = update_link(link_id, info['user_id'], payload.title, payload.url, payload.comment)
+    if record is None:
+        raise HTTPException(status_code=404, detail='Link not found or not owned by user')
+    return record
+
+
 @router.get('/links')
 def list_links():
     return list_public_links()