autocde2.0/app/ModelFilters/NotificationFilter.php

<?php

namespace App\ModelFilters;

use EloquentFilter\ModelFilter;

class NotificationFilter extends ModelFilter
{
    /**
    * Related Models that have ModelFilters as well as the method on the ModelFilter
    * As [relationMethod => [input_key1, input_key2]].
    *
    * @var array
    */
    public $relations = [];

    public function startReadAt($date)
    {
        return $this->where("notification_records.read_at", ">=", $date);
    }

    public function endReadAt($date)
    {
        return $this->where("notification_records.read_at", "<", $date);
    }

    public function startNotificationAt($date)
    {
        return $this->where("notifications.created_at", ">=", $date);
    }

    public function endNotificationAt($date)
    {
        return $this->where("notifications.created_at", "<", $date);
    }

    public function readStatus($status)
    {
        return !$status
            ? $this->whereNull("notification_records.read_at")
            : $this->whereNotNull("notification_records.read_at");
    }
}