firefly-iii/app/Repositories/Journal/JournalAPIRepository.php

<?php
declare(strict_types=1);
/**
 * JournalAPIRepository.php
 * Copyright (c) 2019 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/>.
 */

namespace FireflyIII\Repositories\Journal;

use FireflyIII\Models\PiggyBankEvent;
use FireflyIII\Models\Transaction;
use FireflyIII\Models\TransactionJournal;
use FireflyIII\User;
use Illuminate\Support\Collection;
use Log;

/**
 * Class JournalAPIRepository
 */
class JournalAPIRepository implements JournalAPIRepositoryInterface
{
    /** @var User */
    private $user;

    /**
     * Constructor.
     */
    public function __construct()
    {
        if ('testing' === config('app.env')) {
            Log::warning(sprintf('%s should not be instantiated in the TEST environment!', get_class($this)));
        }
    }

    /**
     * Returns transaction by ID. Used to validate attachments.
     *
     * @param int $transactionId
     *
     * @return Transaction|null
     */
    public function findTransaction(int $transactionId): ?Transaction
    {
        $transaction = Transaction::leftJoin('transaction_journals', 'transaction_journals.id', '=', 'transactions.transaction_journal_id')
                                  ->where('transaction_journals.user_id', $this->user->id)
                                  ->where('transactions.id', $transactionId)
                                  ->first(['transactions.*']);

        return $transaction;
    }

    /**
     * Return all attachments for journal.
     *
     * @param TransactionJournal $journal
     *
     * @return Collection
     */
    public function getAttachments(TransactionJournal $journal): Collection
    {
        return $journal->attachments;
    }

    /**
     * Get all piggy bank events for a journal.
     *
     * @param TransactionJournal $journal
     *
     * @return Collection
     */
    public function getPiggyBankEvents(TransactionJournal $journal): Collection
    {
        /** @var Collection $set */
        $events = $journal->piggyBankEvents()->get();
        $events->each(
            function (PiggyBankEvent $event) {
                $event->piggyBank = $event->piggyBank()->withTrashed()->first();
            }
        );

        return $events;
    }

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