firefly-iii/app/Handlers/Observer/PiggyBankEventObserver.php

<?php

/*
 * AutoBudgetObserver.php
 * Copyright (c) 2024 james@firefly-iii.org.
 *
 * This file is part of Firefly III (https://github.com/firefly-iii).
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see https://www.gnu.org/licenses/.
 */

declare(strict_types=1);

namespace FireflyIII\Handlers\Observer;

use FireflyIII\Handlers\ExchangeRate\ConversionParameters;
use FireflyIII\Handlers\ExchangeRate\ConvertsAmountToPrimaryAmount;
use FireflyIII\Models\PiggyBankEvent;
use Illuminate\Support\Facades\Log;

class PiggyBankEventObserver
{
    public function created(PiggyBankEvent $event): void
    {
        Log::debug('Observe "created" of a piggy bank event.');
        $this->updatePrimaryCurrencyAmount($event);
    }

    public function updated(PiggyBankEvent $event): void
    {
        Log::debug('Observe "updated" of a piggy bank event.');
        $this->updatePrimaryCurrencyAmount($event);
    }

    private function updatePrimaryCurrencyAmount(PiggyBankEvent $event): void
    {
        $user                       = $event->piggyBank->accounts()->first()?->user;
        if (null === $user) {
            Log::warning('Piggy bank seems to have no accounts. Break.');

            return;
        }

        $params                     = new ConversionParameters();
        $params->user               = $user;
        $params->model              = $event;
        $params->originalCurrency   = $event->piggyBank->transactionCurrency;
        $params->amountField        = 'amount';
        $params->primaryAmountField = 'native_amount';
        ConvertsAmountToPrimaryAmount::convert($params);
    }
}