mirror of
https://github.com/firefly-iii/firefly-iii.git
synced 2025-10-31 02:36:28 +00:00
547 lines
20 KiB
PHP
547 lines
20 KiB
PHP
<?php
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/**
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* TransferCurrenciesCorrections.php
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* Copyright (c) 2020 james@firefly-iii.org
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*
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* This file is part of Firefly III (https://github.com/firefly-iii).
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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declare(strict_types=1);
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namespace FireflyIII\Console\Commands\Upgrade;
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use FireflyIII\Console\Commands\ShowsFriendlyMessages;
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use FireflyIII\Models\Account;
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use FireflyIII\Models\Transaction;
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use FireflyIII\Models\TransactionCurrency;
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use FireflyIII\Models\TransactionJournal;
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use FireflyIII\Models\TransactionType;
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use FireflyIII\Repositories\Account\AccountRepositoryInterface;
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use FireflyIII\Repositories\Journal\JournalCLIRepositoryInterface;
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use Illuminate\Console\Command;
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use Illuminate\Support\Facades\Log;
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use Psr\Container\ContainerExceptionInterface;
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use Psr\Container\NotFoundExceptionInterface;
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/**
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* Class TransferCurrenciesCorrections
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*/
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class TransferCurrenciesCorrections extends Command
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{
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use ShowsFriendlyMessages;
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public const CONFIG_NAME = '480_transfer_currencies';
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protected $description = 'Updates transfer currency information.';
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protected $signature = 'firefly-iii:transfer-currencies {--F|force : Force the execution of this command.}';
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private array $accountCurrencies;
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private AccountRepositoryInterface $accountRepos;
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private JournalCLIRepositoryInterface $cliRepos;
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private int $count;
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private ?Account $destinationAccount;
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private ?TransactionCurrency $destinationCurrency;
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private ?Transaction $destinationTransaction;
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private ?Account $sourceAccount;
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private ?TransactionCurrency $sourceCurrency;
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private ?Transaction $sourceTransaction;
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/**
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* Execute the console command.
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*
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* @return int
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* @throws ContainerExceptionInterface
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* @throws NotFoundExceptionInterface
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*/
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public function handle(): int
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{
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$this->stupidLaravel();
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if ($this->isExecuted() && true !== $this->option('force')) {
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$this->friendlyInfo('This command has already been executed.');
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return 0;
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}
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$this->startUpdateRoutine();
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$this->markAsExecuted();
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if (0 === $this->count) {
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$this->friendlyPositive('All transfers have correct currency information.');
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return 0;
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}
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$this->friendlyInfo(sprintf('Verified currency information of %d transfer(s).', $this->count));
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return 0;
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}
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/**
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* Laravel will execute ALL __construct() methods for ALL commands whenever a SINGLE command is
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* executed. This leads to noticeable slow-downs and class calls. To prevent this, this method should
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* be called from the handle method instead of using the constructor to initialize the command.
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*
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*/
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private function stupidLaravel(): void
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{
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$this->count = 0;
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$this->accountRepos = app(AccountRepositoryInterface::class);
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$this->cliRepos = app(JournalCLIRepositoryInterface::class);
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$this->accountCurrencies = [];
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$this->resetInformation();
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}
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/**
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* Reset all the class fields for the current transfer.
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*
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*/
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private function resetInformation(): void
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{
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$this->sourceTransaction = null;
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$this->sourceAccount = null;
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$this->sourceCurrency = null;
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$this->destinationTransaction = null;
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$this->destinationAccount = null;
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$this->destinationCurrency = null;
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}
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/**
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* @return bool
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* @throws ContainerExceptionInterface
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* @throws NotFoundExceptionInterface
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*/
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private function isExecuted(): bool
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{
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$configVar = app('fireflyconfig')->get(self::CONFIG_NAME, false);
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if (null !== $configVar) {
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return (bool)$configVar->data;
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}
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return false;
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}
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/**
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* This routine verifies that transfers have the correct currency settings for the accounts they are linked to.
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* For transfers, this is can be a destructive routine since we FORCE them into a currency setting whether they
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* like it or not. Previous routines MUST have set the currency setting for both accounts for this to work.
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*
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* Both source and destination must match the respective currency preference. So FF3 must verify ALL
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* transactions.
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*/
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private function startUpdateRoutine(): void
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{
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$set = $this->cliRepos->getAllJournals([TransactionType::TRANSFER]);
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/** @var TransactionJournal $journal */
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foreach ($set as $journal) {
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$this->updateTransferCurrency($journal);
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}
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}
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/**
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* @param TransactionJournal $transfer
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*/
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private function updateTransferCurrency(TransactionJournal $transfer): void
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{
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$this->resetInformation();
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if ($this->isSplitJournal($transfer)) {
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$this->friendlyWarning(sprintf('Transaction journal #%d is a split journal. Cannot continue.', $transfer->id));
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return;
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}
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$this->getSourceInformation($transfer);
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$this->getDestinationInformation($transfer);
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// unexpectedly, either one is null:
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if ($this->isEmptyTransactions()) {
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$this->friendlyError(sprintf('Source or destination information for transaction journal #%d is null. Cannot fix this one.', $transfer->id));
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return;
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}
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// both accounts must have currency preference:
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if ($this->isNoCurrencyPresent()) {
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$this->friendlyError(
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sprintf('Source or destination accounts for transaction journal #%d have no currency information. Cannot fix this one.', $transfer->id)
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);
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return;
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}
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// fix source transaction having no currency.
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$this->fixSourceNoCurrency();
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// fix source transaction having bad currency.
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$this->fixSourceUnmatchedCurrency();
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// fix destination transaction having no currency.
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$this->fixDestNoCurrency();
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// fix destination transaction having bad currency.
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$this->fixDestinationUnmatchedCurrency();
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// remove foreign currency information if not necessary.
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$this->fixInvalidForeignCurrency();
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// correct foreign currency info if necessary.
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$this->fixMismatchedForeignCurrency();
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// restore missing foreign currency amount.
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$this->fixSourceNullForeignAmount();
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$this->fixDestNullForeignAmount();
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// fix journal itself:
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$this->fixTransactionJournalCurrency($transfer);
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}
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/**
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* Is this a split transaction journal?
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*
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* @param TransactionJournal $transfer
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*
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* @return bool
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*/
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private function isSplitJournal(TransactionJournal $transfer): bool
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{
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return $transfer->transactions->count() > 2;
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}
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/**
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* Extract source transaction, source account + source account currency from the journal.
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*
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* @param TransactionJournal $journal
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*
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*/
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private function getSourceInformation(TransactionJournal $journal): void
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{
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$this->sourceTransaction = $this->getSourceTransaction($journal);
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$this->sourceAccount = $this->sourceTransaction?->account;
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$this->sourceCurrency = null === $this->sourceAccount ? null : $this->getCurrency($this->sourceAccount);
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}
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/**
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* @param TransactionJournal $transfer
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*
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* @return Transaction|null
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*/
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private function getSourceTransaction(TransactionJournal $transfer): ?Transaction
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{
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return $transfer->transactions()->where('amount', '<', 0)->first();
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}
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/**
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* @param Account $account
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*
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* @return TransactionCurrency|null
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*/
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private function getCurrency(Account $account): ?TransactionCurrency
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{
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$accountId = $account->id;
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if (array_key_exists($accountId, $this->accountCurrencies) && 0 === $this->accountCurrencies[$accountId]) {
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return null;
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}
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if (array_key_exists($accountId, $this->accountCurrencies) && $this->accountCurrencies[$accountId] instanceof TransactionCurrency) {
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return $this->accountCurrencies[$accountId];
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}
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$currency = $this->accountRepos->getAccountCurrency($account);
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if (null === $currency) {
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$this->accountCurrencies[$accountId] = 0;
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return null;
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}
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$this->accountCurrencies[$accountId] = $currency;
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return $currency;
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}
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/**
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* Extract destination transaction, destination account + destination account currency from the journal.
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*
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* @param TransactionJournal $journal
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*
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*/
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private function getDestinationInformation(TransactionJournal $journal): void
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{
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$this->destinationTransaction = $this->getDestinationTransaction($journal);
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$this->destinationAccount = $this->destinationTransaction?->account;
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$this->destinationCurrency = null === $this->destinationAccount ? null : $this->getCurrency($this->destinationAccount);
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}
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/**
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* @param TransactionJournal $transfer
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*
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* @return Transaction|null
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*/
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private function getDestinationTransaction(TransactionJournal $transfer): ?Transaction
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{
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return $transfer->transactions()->where('amount', '>', 0)->first();
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}
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/**
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* Is either the source or destination transaction NULL?
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*
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* @return bool
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*/
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private function isEmptyTransactions(): bool
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{
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return null === $this->sourceTransaction || null === $this->destinationTransaction
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|| null === $this->sourceAccount
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|| null === $this->destinationAccount;
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}
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/**
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* @return bool
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*/
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private function isNoCurrencyPresent(): bool
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{
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// source account must have a currency preference.
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if (null === $this->sourceCurrency) {
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$message = sprintf('Account #%d ("%s") must have currency preference but has none.', $this->sourceAccount->id, $this->sourceAccount->name);
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Log::error($message);
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$this->friendlyError($message);
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return true;
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}
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// destination account must have a currency preference.
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if (null === $this->destinationCurrency) {
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$message = sprintf(
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'Account #%d ("%s") must have currency preference but has none.',
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$this->destinationAccount->id,
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$this->destinationAccount->name
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);
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Log::error($message);
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$this->friendlyError($message);
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return true;
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}
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return false;
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}
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/**
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* The source transaction must have a currency. If not, it will be added by
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* taking it from the source account's preference.
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*/
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private function fixSourceNoCurrency(): void
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{
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if (null === $this->sourceTransaction->transaction_currency_id && null !== $this->sourceCurrency) {
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$this->sourceTransaction
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->transaction_currency_id
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= (int)$this->sourceCurrency->id;
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$message = sprintf(
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'Transaction #%d has no currency setting, now set to %s.',
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$this->sourceTransaction->id,
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$this->sourceCurrency->code
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);
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$this->friendlyInfo($message);
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$this->count++;
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$this->sourceTransaction->save();
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}
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}
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/**
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* The source transaction must have the correct currency. If not, it will be set by
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* taking it from the source account's preference.
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*/
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private function fixSourceUnmatchedCurrency(): void
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{
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if (null !== $this->sourceCurrency
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&& null === $this->sourceTransaction->foreign_amount
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&& (int)$this->sourceTransaction->transaction_currency_id !== (int)$this->sourceCurrency->id
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) {
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$message = sprintf(
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'Transaction #%d has a currency setting #%d that should be #%d. Amount remains %s, currency is changed.',
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$this->sourceTransaction->id,
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$this->sourceTransaction->transaction_currency_id,
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$this->sourceAccount->id,
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$this->sourceTransaction->amount
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);
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$this->friendlyWarning($message);
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$this->count++;
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$this->sourceTransaction->transaction_currency_id = (int)$this->sourceCurrency->id;
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$this->sourceTransaction->save();
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}
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}
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/**
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* The destination transaction must have a currency. If not, it will be added by
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* taking it from the destination account's preference.
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*/
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private function fixDestNoCurrency(): void
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{
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if (null === $this->destinationTransaction->transaction_currency_id && null !== $this->destinationCurrency) {
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$this->destinationTransaction
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->transaction_currency_id
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= (int)$this->destinationCurrency->id;
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$message = sprintf(
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'Transaction #%d has no currency setting, now set to %s.',
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$this->destinationTransaction->id,
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$this->destinationCurrency->code
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);
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$this->friendlyInfo($message);
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$this->count++;
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$this->destinationTransaction->save();
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}
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}
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/**
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* The destination transaction must have the correct currency. If not, it will be set by
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* taking it from the destination account's preference.
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*/
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private function fixDestinationUnmatchedCurrency(): void
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{
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if (null !== $this->destinationCurrency
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&& null === $this->destinationTransaction->foreign_amount
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&& (int)$this->destinationTransaction->transaction_currency_id !== (int)$this->destinationCurrency->id
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) {
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$message = sprintf(
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'Transaction #%d has a currency setting #%d that should be #%d. Amount remains %s, currency is changed.',
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$this->destinationTransaction->id,
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$this->destinationTransaction->transaction_currency_id,
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$this->destinationAccount->id,
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$this->destinationTransaction->amount
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);
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$this->friendlyWarning($message);
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$this->count++;
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$this->destinationTransaction->transaction_currency_id = (int)$this->destinationCurrency->id;
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$this->destinationTransaction->save();
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}
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}
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/**
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* If the destination account currency is the same as the source currency,
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* both foreign_amount and foreign_currency_id fields must be NULL
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* for both transactions (because foreign currency info would not make sense)
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*/
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private function fixInvalidForeignCurrency(): void
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{
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if ((int)$this->destinationCurrency->id === (int)$this->sourceCurrency->id) {
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// update both transactions to match:
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$this->sourceTransaction->foreign_amount = null;
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$this->sourceTransaction->foreign_currency_id = null;
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$this->destinationTransaction->foreign_amount = null;
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$this->destinationTransaction->foreign_currency_id = null;
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$this->sourceTransaction->save();
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$this->destinationTransaction->save();
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}
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}
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/**
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* If destination account currency is different from source account currency,
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* then both transactions must get the source account's currency as normal currency
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* and the opposing account's currency as foreign currency.
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*/
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private function fixMismatchedForeignCurrency(): void
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{
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if ((int)$this->sourceCurrency->id !== (int)$this->destinationCurrency->id) {
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$this->sourceTransaction->transaction_currency_id = $this->sourceCurrency->id;
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$this->sourceTransaction->foreign_currency_id = $this->destinationCurrency->id;
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$this->destinationTransaction->transaction_currency_id = $this->sourceCurrency->id;
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$this->destinationTransaction->foreign_currency_id = $this->destinationCurrency->id;
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$this->sourceTransaction->save();
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$this->destinationTransaction->save();
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$this->count++;
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$this->friendlyInfo(
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sprintf('Verified foreign currency ID of transaction #%d and #%d', $this->sourceTransaction->id, $this->destinationTransaction->id)
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);
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}
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}
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/**
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* If the foreign amount of the source transaction is null, but that of the other isn't, use this piece of code
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* to restore it.
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*/
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private function fixSourceNullForeignAmount(): void
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{
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if (null === $this->sourceTransaction->foreign_amount && null !== $this->destinationTransaction->foreign_amount) {
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$this->sourceTransaction->foreign_amount = bcmul((string)$this->destinationTransaction->foreign_amount, '-1');
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$this->sourceTransaction->save();
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$this->count++;
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$this->friendlyInfo(
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sprintf(
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'Restored foreign amount of source transaction #%d to %s',
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$this->sourceTransaction->id,
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$this->sourceTransaction->foreign_amount
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)
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);
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}
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}
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/**
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* If the foreign amount of the destination transaction is null, but that of the other isn't, use this piece of code
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* to restore it.
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*/
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private function fixDestNullForeignAmount(): void
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{
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if (null === $this->destinationTransaction->foreign_amount && null !== $this->sourceTransaction->foreign_amount) {
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$this->destinationTransaction->foreign_amount = bcmul((string)$this->sourceTransaction->foreign_amount, '-1');
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$this->destinationTransaction->save();
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$this->count++;
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$this->friendlyInfo(
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sprintf(
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'Restored foreign amount of destination transaction #%d to %s',
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$this->destinationTransaction->id,
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$this->destinationTransaction->foreign_amount
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)
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);
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}
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}
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/**
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* This method makes sure that the transaction journal uses the currency given in the source transaction.
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*
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* @param TransactionJournal $journal
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*/
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private function fixTransactionJournalCurrency(TransactionJournal $journal): void
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{
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if ((int)$journal->transaction_currency_id !== (int)$this->sourceCurrency->id) {
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$oldCurrencyCode = $journal->transactionCurrency->code ?? '(nothing)';
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$journal->transaction_currency_id = $this->sourceCurrency->id;
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$message = sprintf(
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'Transfer #%d ("%s") has been updated to use %s instead of %s.',
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$journal->id,
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$journal->description,
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$this->sourceCurrency->code,
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$oldCurrencyCode
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);
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$this->count++;
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$this->friendlyInfo($message);
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$journal->save();
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}
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}
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/**
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*
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*/
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private function markAsExecuted(): void
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{
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app('fireflyconfig')->set(self::CONFIG_NAME, true);
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}
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}
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