Model trait

ModelTrait.php

<?php

use Illuminate\Database\Eloquent\ModelNotFoundException;

trait ModelTrait {

    /**
     * Get the very last record.
     *
     * @return static|null
     */
    public static function last()
    {
        $instance = new static;

        return static::orderBy($instance->getKeyName(), 'desc')->first();
    }

    /**
     * Get the very last count. If there return that, otherwise throw exception.
     *
     * @return static
     * @throws ModelNotFoundException
     */
    public static function lastOrFail()
    {
        if ($data = static::last())
        {
            return $data;
        }

        throw (new ModelNotFoundException)->setModel(static::className());
    }

    /**
     * Get the name of this class.
     *
     * @return string
     */
    public static function className()
    {
        return get_called_class();
    }

}