<?php

namespace ProcessMaker\Observers;

use ProcessMaker\Exception\ReferentialIntegrityException;

use ProcessMaker\Models\Comment;

use ProcessMaker\Models\ProcessRequest;

use ProcessMaker\Models\User;

class UserObserver

{

/**

* Handle the user "deleting" event.

*

* @param User $user

* @throws ReferentialIntegrityException

*/

public function deleting(User $user)

{

//Validate if the user has Request processes assigned

//An user can not be deleted if it has requests

$query = ProcessRequest::where('user_id', $user->id);

$count = $query->count();

if ($count > 0) {

throw new ReferentialIntegrityException($user, $query->first());

}

//Remove comments

Comment::query()

->where('user_id', $user->id)

->delete();

}

}