firefly-iii/app/Factory/PiggyBankFactory.php

<?php

/**
 * PiggyBankFactory.php
 * Copyright (c) 2019 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\Factory;

use FireflyIII\Models\PiggyBank;
use FireflyIII\User;

/**
 * Class PiggyBankFactory
 */
class PiggyBankFactory
{
    private User $user;

    public function find(?int $piggyBankId, ?string $piggyBankName): ?PiggyBank
    {
        $piggyBankId   = (int)$piggyBankId;
        $piggyBankName = (string)$piggyBankName;
        if ('' === $piggyBankName && 0 === $piggyBankId) {
            return null;
        }
        // first find by ID:
        if ($piggyBankId > 0) {
            /** @var null|PiggyBank $piggyBank */
            $piggyBank = $this->user->piggyBanks()->find($piggyBankId);
            if (null !== $piggyBank) {
                return $piggyBank;
            }
        }

        // then find by name:
        if ('' !== $piggyBankName) {
            /** @var null|PiggyBank $piggyBank */
            $piggyBank = $this->findByName($piggyBankName);
            if (null !== $piggyBank) {
                return $piggyBank;
            }
        }

        return null;
    }

    public function findByName(string $name): ?PiggyBank
    {
        return $this->user->piggyBanks()->where('piggy_banks.name', $name)->first();
    }

    public function setUser(User $user): void
    {
        $this->user = $user;
    }
}