public function saveExistingPost(Post $post)
{
$postId = $post->getPostId();
$isAnsweredByDoctor = $post->getDoctor();
$stmt = $this->db->prepare("UPDATE posts " . "SET isAnsweredByDoctor=:isAnsweredByDoctor WHERE postId=:postId");
$stmt->execute([':postId' => $postId, ':isAnsweredByDoctor' => $isAnsweredByDoctor]);
}
