firefly-iii/app/Handlers/Events/UpdatedGroupEventHandler.php

<?php
/**
 * UpdatedGroupEventHandler.php
 * Copyright (c) 2017 thegrumpydictator@gmail.com
 *
 * This file is part of Firefly III.
 *
 * Firefly III is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Firefly III is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Firefly III. If not, see <http://www.gnu.org/licenses/>.
 */
declare(strict_types=1);

namespace FireflyIII\Handlers\Events;

use FireflyIII\Events\UpdatedTransactionGroup;
use FireflyIII\Exceptions\FireflyException;
use FireflyIII\Models\Rule;
use FireflyIII\Models\RuleGroup;
use FireflyIII\Repositories\RuleGroup\RuleGroupRepositoryInterface;
use FireflyIII\TransactionRules\Processor;

/**
 * Class UpdatedGroupEventHandler
 */
class UpdatedGroupEventHandler
{
    /**
     * This method will check all the rules when a journal is updated.
     *
     * @param UpdatedTransactionGroup $updatedJournalEvent
     *
     * @return bool
     * @throws FireflyException
     */
    public function processRules(UpdatedTransactionGroup $updatedJournalEvent): bool
    {
        // get all the user's rule groups, with the rules, order by 'order'.
        $journals = $updatedJournalEvent->transactionGroup->transactionJournals;
        // TODO fix this
        die('cannot apply rules yet');
        /** @var RuleGroupRepositoryInterface $ruleGroupRepos */
        $ruleGroupRepos = app(RuleGroupRepositoryInterface::class);

        foreach ($journals as $journal) {
            $ruleGroupRepos->setUser($journal->user);

            $groups = $ruleGroupRepos->getActiveGroups();

            /** @var RuleGroup $group */
            foreach ($groups as $group) {
                $rules = $ruleGroupRepos->getActiveUpdateRules($group);
                /** @var Rule $rule */
                foreach ($rules as $rule) {
                    /** @var Processor $processor */
                    $processor = app(Processor::class);
                    $processor->make($rule);
                    $processor->handleTransactionJournal($journal);

                    if ($rule->stop_processing) {
                        break;
                    }
                }
            }
        }

        return true;
    }

}