Bottelet/DaybydayCRM

use App\Models\Comment;
use Illuminate\Notifications\Notification;

class YouWereMentionedNotification extends Notification
{
    public $comment;

    public function __construct(Comment $comment)
    {
        $this->comment = $comment;
    }

    public function via($notifiable)
    {
        return ['database'];
    }

    public function toArray($notifiable)
    {
        $topic = $this->comment->commentable;
        $text = __(':creator mentioned you in :topic', [
            'topic' =>  $topic->title,
            'creator' => $notifiable->name,
            ]);
        
        $url_prefix = get_class($topic) == 'App\Models\Task' ? 'tasks/' : 'leads/';
            
        return [
            'assigned_user' => $notifiable->id,
            'created_user' => $this->comment->user_id,
            'message' => $text,
            'type' =>  get_class($topic),
            'type_id' =>  $topic->id,
            'url' => url($url_prefix . $topic->external_id),
            'action' => 'mentioned'
        ];
    }
}

use App\Models\User;
use App\Events\NewComment;
use App\Notifications\YouWereMentionedNotification;

class NotiftyMentionedUsers
{
    public function handle(NewComment $event)
    {
        collect($event->comment->mentionedUsers())
        ->map(function ($name) {
            return User::where('name', $name)->first();
        })
        ->filter()
        ->each(function ($user) use ($event) {
            $user->notify(new YouWereMentionedNotification($event->comment));
        });
    }
}