NoComments-Before.php

<?php
public function store(Request $request)
{
    // Create a new comment
    $comment = Comment::create($request->all());

    // Find the author and highlight the comment on your profile
    $user = User::find( $request->get('user_id') );
    $user->profile->highlightNewComment($comment);

    // Author of the post and the users who have already commented
    $users = $comment->post->users;
    foreach ($user as $user) {
        // Notify the user who has a new comment.
        Notification::hasNewComment($user, $comment);
    }

    return ['success' => true];
}