Tokenable.php

<?php

namespace KDuma\Eloquent;

use Config;
use Hashids\Hashids;

/**
 * Class Tokenable.
 */
trait Tokenable
{
    /**
     * @return Hashids
     */
    private function getHashingInstance()
    {
        $salt = Config::get('app.key').($this->salt ?: $this->getTable());
        $min_hash_length = $this->length ?: 10;
        $alphabet = $this->alphabet ?: 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890';

        return new Hashids($salt, $min_hash_length, $alphabet);
    }

    /**
     * @return string
     */
    public function getTokenAttribute()
    {
        $hashids = $this->getHashingInstance();

        return $hashids->encode($this->id);
    }

    /**
     * @param $query
     * @param $token
     * @return bool|int
     */
    public function scopeWhereToken($query, $token)
    {
        $hashids = $this->getHashingInstance();
        $id = $hashids->decode($token);

        if (count($id) == 0) {
            return $query->whereRaw('1 = 0');
        }

        return $query->where('id', $id[0]);
    }
}