freescout/app/Email.php

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

class Email extends Model
{
	/**
	 * Email types
	 */
	const TYPE_WORK = 'work';
	const TYPE_HOME = 'home';
	const TYPE_OTHER = 'other';

    public $timestamps = false;

    /**
     * Attributes which are not fillable using fill() method
     */
    protected $guarded = ['id', 'customer_id'];

    /**
     * Get email's customer
     */
    public function customer()
    {
        return $this->belongsTo('App\Customer');
    }

    /**
     * Sanatize email address
     * @param  string $email 
     * @return string        
     */
    public static function sanatizeEmail($email)
    {
        $email = filter_var($email, FILTER_SANITIZE_EMAIL);
        $email = strtolower($email);

        return $email;
    }
}