firefly-iii/app/Console/Commands/Upgrade/JournalCurrencies.php
2019-03-23 18:58:06 +01:00

450 lines
17 KiB
PHP

<?php
/**
* JournalCurrencies.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/>.
*/
declare(strict_types=1);
namespace FireflyIII\Console\Commands\Upgrade;
use FireflyIII\Models\Account;
use FireflyIII\Models\AccountType;
use FireflyIII\Models\Transaction;
use FireflyIII\Models\TransactionCurrency;
use FireflyIII\Models\TransactionJournal;
use FireflyIII\Models\TransactionType;
use FireflyIII\Repositories\Account\AccountRepositoryInterface;
use FireflyIII\Repositories\Currency\CurrencyRepositoryInterface;
use FireflyIII\Repositories\Journal\JournalRepositoryInterface;
use Illuminate\Console\Command;
use Log;
/**
* Class JournalCurrencies
*/
class JournalCurrencies extends Command
{
public const CONFIG_NAME = '4780_journal_currencies';
/**
* The console command description.
*
* @var string
*/
protected $description = 'Update all transaction and journal currencies.';
/**
* The name and signature of the console command.
*
* @var string
*/
protected $signature = 'firefly-iii:journal-currencies {--F|force : Force the execution of this command.}';
/** @var array */
private $accountCurrencies;
/** @var AccountRepositoryInterface */
private $accountRepos;
/** @var CurrencyRepositoryInterface */
private $currencyRepos;
/** @var JournalRepositoryInterface */
private $journalRepos;
/**
* Execute the console command.
*
* @return int
*/
public function handle(): int
{
$this->accountCurrencies = [];
$this->accountRepos = app(AccountRepositoryInterface::class);
$this->currencyRepos = app(CurrencyRepositoryInterface::class);
$this->journalRepos = app(JournalRepositoryInterface::class);
$start = microtime(true);
if ($this->isExecuted() && true !== $this->option('force')) {
$this->warn('This command has already been executed.');
return 0;
}
$this->updateTransferCurrencies();
$this->updateOtherJournalsCurrencies();
$this->markAsExecuted();
$end = round(microtime(true) - $start, 2);
$this->info(sprintf('Verified and fixed transaction currencies in %s seconds.', $end));
return 0;
}
/**
* @param Account $account
*
* @return TransactionCurrency|null
*/
private function getCurrency(Account $account): ?TransactionCurrency
{
$accountId = $account->id;
if (isset($this->accountCurrencies[$accountId]) && 0 === $this->accountCurrencies[$accountId]) {
return null;
}
if (isset($this->accountCurrencies[$accountId]) && $this->accountCurrencies[$accountId] instanceof TransactionCurrency) {
return $this->accountCurrencies[$accountId];
}
$currencyId = (int)$this->accountRepos->getMetaValue($account, 'currency_id');
$result = $this->currencyRepos->findNull($currencyId);
if (null === $result) {
$this->accountCurrencies[$accountId] = 0;
return null;
}
$this->accountCurrencies[$accountId] = $result;
return $result;
}
/**
* @param TransactionJournal $transfer
*
* @return Transaction|null
*/
private function getDestinationTransaction(TransactionJournal $transfer): ?Transaction
{
return $transfer->transactions->firstWhere('amount', '>', 0);
}
/**
* @param TransactionJournal $journal
*
* @return Transaction|null
*/
private function getFirstAssetTransaction(TransactionJournal $journal): ?Transaction
{
$result = $journal->transactions->first(
function (Transaction $transaction) {
return AccountType::ASSET === $transaction->account->accountType->type;
}
);
return $result;
}
/**
* @param TransactionJournal $transfer
*
* @return Transaction|null
*/
private function getSourceTransaction(TransactionJournal $transfer): ?Transaction
{
return $transfer->transactions->firstWhere('amount', '<', 0);
}
/**
* @return bool
*/
private function isExecuted(): bool
{
$configVar = app('fireflyconfig')->get(self::CONFIG_NAME, false);
if (null !== $configVar) {
return (bool)$configVar->data;
}
return false; // @codeCoverageIgnore
}
/**
*
*/
private function markAsExecuted(): void
{
app('fireflyconfig')->set(self::CONFIG_NAME, true);
}
/**
* This method makes sure that the transaction journal uses the currency given in the transaction.
*
* @param TransactionJournal $journal
* @param Transaction $transaction
*/
private function updateJournalCurrency(TransactionJournal $journal, Transaction $transaction): void
{
$currency = $this->getCurrency($transaction->account);
$currencyCode = $journal->transactionCurrency->code ?? '(nothing)';
if (null === $currency) {
return;
}
if (!((int)$currency->id === (int)$journal->transaction_currency_id)) {
$this->line(
sprintf(
'Transfer #%d ("%s") has been updated to use %s instead of %s.',
$journal->id,
$journal->description,
$currency->code,
$currencyCode
)
);
$journal->transaction_currency_id = $currency->id;
$journal->save();
}
}
/**
* @param TransactionJournal $journal
*/
private function updateOtherJournalCurrency(TransactionJournal $journal): void
{
$transaction = $this->getFirstAssetTransaction($journal);
if (null === $transaction) {
return;
}
/** @var Account $account */
$account = $transaction->account;
$currency = $this->getCurrency($account);
if (null === $currency) {
return;
}
$journal->transactions->each(
function (Transaction $transaction) use ($currency) {
if (null === $transaction->transaction_currency_id) {
$transaction->transaction_currency_id = $currency->id;
$transaction->save();
}
// when mismatch in transaction:
if (!((int)$transaction->transaction_currency_id === (int)$currency->id)) {
$transaction->foreign_currency_id = (int)$transaction->transaction_currency_id;
$transaction->foreign_amount = $transaction->amount;
$transaction->transaction_currency_id = $currency->id;
$transaction->save();
}
}
);
// also update the journal, of course:
$journal->transaction_currency_id = $currency->id;
$journal->save();
}
/**
* This routine verifies that withdrawals, deposits and opening balances have the correct currency settings for
* the accounts they are linked to.
*
* Both source and destination must match the respective currency preference of the related asset account.
* So FF3 must verify all transactions.
*
* @SuppressWarnings(PHPMD.CyclomaticComplexity)
* @SuppressWarnings(PHPMD.ExcessiveMethodLength)
*/
private function updateOtherJournalsCurrencies(): void
{
$set = TransactionJournal
::leftJoin('transaction_types', 'transaction_types.id', '=', 'transaction_journals.transaction_type_id')
->whereNotIn('transaction_types.type', [TransactionType::TRANSFER])
->with(['transactions', 'transactions.account', 'transactions.account.accountType'])
->get(['transaction_journals.*']);
/** @var TransactionJournal $journal */
foreach ($set as $journal) {
$this->updateOtherJournalCurrency($journal);
}
}
/**
* This method makes sure that the transaction uses the same currency as the source account does.
* If not, the currency is updated to include a reference to its original currency as the "foreign" currency.
*
* The transaction that is sent to this function MUST be the source transaction (amount negative).
*
* Method is long and complex but I'll allow it. https://imgur.com/gallery/dVDJiez
*
* @SuppressWarnings(PHPMD.CyclomaticComplexity)
* @SuppressWarnings(PHPMD.ExcessiveMethodLength)
* @SuppressWarnings(PHPMD.NPathComplexity)
*
* @param Transaction $transaction
*/
private function updateTransactionCurrency(TransactionJournal $journal, Transaction $source, Transaction $destination): void
{
$user = $journal->user;
$sourceAccount = $source->account;
$destAccount = $destination->account;
$this->accountRepos->setUser($user);
$this->journalRepos->setUser($user);
$this->currencyRepos->setUser($user);
$sourceAccountCurrency = $this->getCurrency($sourceAccount);
$destAccountCurrency = $this->getCurrency($destAccount);
if (null === $sourceAccountCurrency) {
Log::error(sprintf('Account #%d ("%s") must have currency preference but has none.', $sourceAccount->id, $sourceAccount->name));
return;
}
// has no currency ID? Must have, so fill in using account preference:
if (null === $source->transaction_currency_id) {
$source->transaction_currency_id = (int)$sourceAccountCurrency->id;
Log::debug(sprintf('Transaction #%d has no currency setting, now set to %s', $source->id, $sourceAccountCurrency->code));
$source->save();
}
// does not match the source account (see above)? Can be fixed
// when mismatch in transaction and NO foreign amount is set:
if (!((int)$source->transaction_currency_id === (int)$sourceAccountCurrency->id) && null === $source->foreign_amount) {
Log::debug(
sprintf(
'Transaction #%d has a currency setting #%d that should be #%d. Amount remains %s, currency is changed.',
$source->id,
$source->transaction_currency_id,
$sourceAccountCurrency->id,
$source->amount
)
);
$source->transaction_currency_id = (int)$sourceAccountCurrency->id;
$source->save();
}
if (null === $destAccountCurrency) {
Log::error(sprintf('Account #%d ("%s") must have currency preference but has none.', $destAccount->id, $destAccount->name));
return;
}
// if the destination account currency is the same, both foreign_amount and foreign_currency_id must be NULL for both transactions:
if ((int)$destAccountCurrency->id === (int)$sourceAccountCurrency->id) {
// update both transactions to match:
$source->foreign_amount = null;
$source->foreign_currency_id = null;
$destination->foreign_amount = null;
$destination->foreign_currency_id = null;
$source->save();
$destination->save();
Log::debug(
sprintf(
'Currency for account "%s" is %s, and currency for account "%s" is also
%s, so %s #%d (#%d and #%d) has been verified to be to %s exclusively.',
$destAccount->name, $destAccountCurrency->code,
$sourceAccount->name, $sourceAccountCurrency->code,
$journal->transactionType->type, $journal->id,
$source->id, $destination->id, $sourceAccountCurrency->code
)
);
return;
}
// if destination account currency is different, both transactions must have this currency as foreign currency id.
if (!((int)$destAccountCurrency->id === (int)$sourceAccountCurrency->id)) {
$source->foreign_currency_id = $destAccountCurrency->id;
$destination->foreign_currency_id = $destAccountCurrency->id;
$source->save();
$destination->save();
Log::debug(sprintf('Verified foreign currency ID of transaction #%d and #%d', $source->id, $destination->id));
}
// if foreign amount of one is null and the other is not, use this to restore:
if (null === $source->foreign_amount && null !== $destination->foreign_amount) {
$source->foreign_amount = bcmul((string)$destination->foreign_amount, '-1');
$source->save();
Log::debug(sprintf('Restored foreign amount of source transaction (1) #%d to %s', $source->id, $source->foreign_amount));
}
// if foreign amount of one is null and the other is not, use this to restore (other way around)
if (null === $destination->foreign_amount && null !== $destination->foreign_amount) {
$destination->foreign_amount = bcmul((string)$destination->foreign_amount, '-1');
$destination->save();
Log::debug(sprintf('Restored foreign amount of destination transaction (2) #%d to %s', $destination->id, $destination->foreign_amount));
}
// when both are zero, try to grab it from journal:
if (null === $source->foreign_amount && null === $destination->foreign_amount) {
$foreignAmount = $this->journalRepos->getMetaField($journal, 'foreign_amount');
if (null === $foreignAmount) {
Log::debug(sprintf('Journal #%d has missing foreign currency data, forced to do 1:1 conversion :(.', $source->transaction_journal_id));
$source->foreign_amount = $source->amount;
$destination->foreign_amount = $destination->amount;
$source->save();
$destination->save();
return;
}
$foreignPositive = app('steam')->positive((string)$foreignAmount);
Log::debug(
sprintf(
'Journal #%d has missing foreign currency info, try to restore from meta-data ("%s").',
$source->transaction_journal_id,
$foreignAmount
)
);
$source->foreign_amount = bcmul($foreignPositive, '-1');
$destination->foreign_amount = $foreignPositive;
$source->save();
$destination->save();
}
}
/**
* This routine verifies that transfers have the correct currency settings for the accounts they are linked to.
* For transfers, this is can be a destructive routine since we FORCE them into a currency setting whether they
* like it or not. Previous routines MUST have set the currency setting for both accounts for this to work.
*
* A transfer always has the
*
* Both source and destination must match the respective currency preference. So FF3 must verify ALL
* transactions.
*/
private function updateTransferCurrencies(): void
{
$set = TransactionJournal
::leftJoin('transaction_types', 'transaction_types.id', '=', 'transaction_journals.transaction_type_id')
->where('transaction_types.type', TransactionType::TRANSFER)
->with(['user', 'transactionType', 'transactionCurrency', 'transactions', 'transactions.account'])
->get(['transaction_journals.*']);
/** @var TransactionJournal $journal */
foreach ($set as $journal) {
$this->updateTransferCurrency($journal);
}
}
/**
* @param TransactionJournal $transfer
*/
private function updateTransferCurrency(TransactionJournal $transfer): void
{
$sourceTransaction = $this->getSourceTransaction($transfer);
$destTransaction = $this->getDestinationTransaction($transfer);
if (null === $sourceTransaction) {
$this->info(sprintf('Source transaction for journal #%d is null.', $transfer->id));
return;
}
if (null === $destTransaction) {
$this->info(sprintf('Destination transaction for journal #%d is null.', $transfer->id));
return;
}
$this->updateTransactionCurrency($transfer, $sourceTransaction, $destTransaction);
$this->updateJournalCurrency($transfer, $sourceTransaction);
}
}