Post to mastodon from the profile page for logged in users

backend/app/services/link_service.py

@@ -167,6 +167,18 @@ def delete_link(link_id: str, user_id: str) -> bool:
     return cursor.rowcount > 0
 
 
+def mark_mastodon_posted(link_id: str, user_id: str, post_id: str | None) -> bool:
+    with get_connection() as conn:
+        cursor = conn.execute(
+            '''UPDATE links
+               SET mastodon_posted = 1, mastodon_post_id = ?, mastodon_posted_at = CURRENT_TIMESTAMP
+               WHERE id = ? AND user_id = ?''',
+            (post_id, link_id, user_id),
+        )
+        conn.commit()
+    return cursor.rowcount > 0
+
+
 def list_public_users():
     with get_connection() as conn:
         rows = conn.execute(