firefly-iii/app/Support/Steam.php
2023-08-06 11:22:36 +02:00

967 lines
37 KiB
PHP

<?php
/**
* Steam.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\Support;
use Carbon\Carbon;
use DB;
use Exception;
use FireflyIII\Exceptions\FireflyException;
use FireflyIII\Models\Account;
use FireflyIII\Models\Transaction;
use FireflyIII\Models\TransactionCurrency;
use FireflyIII\Repositories\Account\AccountRepositoryInterface;
use FireflyIII\Support\Http\Api\ExchangeRateConverter;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\Log;
use JsonException;
use Psr\Container\ContainerExceptionInterface;
use Psr\Container\NotFoundExceptionInterface;
use stdClass;
use Str;
use ValueError;
/**
* Class Steam.
*
*/
class Steam
{
/**
* @param Account $account
* @param Carbon $date
*
* @return string
*/
public function balanceIgnoreVirtual(Account $account, Carbon $date): string
{
/** @var AccountRepositoryInterface $repository */
$repository = app(AccountRepositoryInterface::class);
$repository->setUser($account->user);
$currencyId = (int)$repository->getMetaValue($account, 'currency_id');
$transactions = $account->transactions()
->leftJoin('transaction_journals', 'transaction_journals.id', '=', 'transactions.transaction_journal_id')
->where('transaction_journals.date', '<=', $date->format('Y-m-d 23:59:59'))
->where('transactions.transaction_currency_id', $currencyId)
->get(['transactions.amount'])->toArray();
$nativeBalance = $this->sumTransactions($transactions, 'amount');
// get all balances in foreign currency:
$transactions = $account->transactions()
->leftJoin('transaction_journals', 'transaction_journals.id', '=', 'transactions.transaction_journal_id')
->where('transaction_journals.date', '<=', $date->format('Y-m-d 23:59:59'))
->where('transactions.foreign_currency_id', $currencyId)
->where('transactions.transaction_currency_id', '!=', $currencyId)
->get(['transactions.foreign_amount'])->toArray();
$foreignBalance = $this->sumTransactions($transactions, 'foreign_amount');
return bcadd($nativeBalance, $foreignBalance);
}
/**
* @param array $transactions
* @param string $key
*
* @return string
*/
public function sumTransactions(array $transactions, string $key): string
{
$sum = '0';
/** @var array $transaction */
foreach ($transactions as $transaction) {
$value = (string)($transaction[$key] ?? '0');
$value = '' === $value ? '0' : $value;
$sum = bcadd($sum, $value);
}
return $sum;
}
/**
* Gets the balance for the given account during the whole range, using this format:.
*
* [yyyy-mm-dd] => 123,2
*
* @param Account $account
* @param Carbon $start
* @param Carbon $end
* @param TransactionCurrency|null $currency
*
* @return array
* @throws FireflyException
* @throws JsonException
*/
public function balanceInRange(Account $account, Carbon $start, Carbon $end, ?TransactionCurrency $currency = null): array
{
$cache = new CacheProperties();
$cache->addProperty($account->id);
$cache->addProperty('balance-in-range');
$cache->addProperty($currency ? $currency->id : 0);
$cache->addProperty($start);
$cache->addProperty($end);
if ($cache->has()) {
return $cache->get();
}
$start->subDay();
$end->addDay();
$balances = [];
$formatted = $start->format('Y-m-d');
$startBalance = $this->balance($account, $start, $currency);
$balances[$formatted] = $startBalance;
if (null === $currency) {
$repository = app(AccountRepositoryInterface::class);
$repository->setUser($account->user);
$currency = $repository->getAccountCurrency($account) ?? app('amount')->getDefaultCurrencyByUser($account->user);
}
$currencyId = (int)$currency->id;
$start->addDay();
// query!
$set = $account->transactions()
->leftJoin('transaction_journals', 'transactions.transaction_journal_id', '=', 'transaction_journals.id')
->where('transaction_journals.date', '>=', $start->format('Y-m-d 00:00:00'))
->where('transaction_journals.date', '<=', $end->format('Y-m-d 23:59:59'))
->groupBy('transaction_journals.date')
->groupBy('transactions.transaction_currency_id')
->groupBy('transactions.foreign_currency_id')
->orderBy('transaction_journals.date', 'ASC')
->whereNull('transaction_journals.deleted_at')
->get(
[
'transaction_journals.date',
'transactions.transaction_currency_id',
DB::raw('SUM(transactions.amount) AS modified'),
'transactions.foreign_currency_id',
DB::raw('SUM(transactions.foreign_amount) AS modified_foreign'),
]
);
$currentBalance = $startBalance;
/** @var Transaction $entry */
foreach ($set as $entry) {
// normal amount and foreign amount
$modified = null === $entry->modified ? '0' : (string)$entry->modified;
$foreignModified = null === $entry->modified_foreign ? '0' : (string)$entry->modified_foreign;
$amount = '0';
if ($currencyId === (int)$entry->transaction_currency_id || 0 === $currencyId) {
// use normal amount:
$amount = $modified;
}
if ($currencyId === (int)$entry->foreign_currency_id) {
// use foreign amount:
$amount = $foreignModified;
}
$currentBalance = bcadd($currentBalance, $amount);
$carbon = new Carbon($entry->date, config('app.timezone'));
$date = $carbon->format('Y-m-d');
$balances[$date] = $currentBalance;
}
$cache->store($balances);
return $balances;
}
/**
* Gets balance at the end of current month by default
*
* @param Account $account
* @param Carbon $date
* @param TransactionCurrency|null $currency
*
* @return string
* @throws FireflyException
*/
public function balance(Account $account, Carbon $date, ?TransactionCurrency $currency = null): string
{
// abuse chart properties:
$cache = new CacheProperties();
$cache->addProperty($account->id);
$cache->addProperty('balance');
$cache->addProperty($date);
$cache->addProperty($currency ? $currency->id : 0);
if ($cache->has()) {
return $cache->get();
}
/** @var AccountRepositoryInterface $repository */
$repository = app(AccountRepositoryInterface::class);
if (null === $currency) {
$currency = $repository->getAccountCurrency($account) ?? app('amount')->getDefaultCurrencyByUser($account->user);
}
// first part: get all balances in own currency:
$transactions = $account->transactions()
->leftJoin('transaction_journals', 'transaction_journals.id', '=', 'transactions.transaction_journal_id')
->where('transaction_journals.date', '<=', $date->format('Y-m-d 23:59:59'))
->where('transactions.transaction_currency_id', $currency->id)
->get(['transactions.amount'])->toArray();
$nativeBalance = $this->sumTransactions($transactions, 'amount');
// get all balances in foreign currency:
$transactions = $account->transactions()
->leftJoin('transaction_journals', 'transaction_journals.id', '=', 'transactions.transaction_journal_id')
->where('transaction_journals.date', '<=', $date->format('Y-m-d 23:59:59'))
->where('transactions.foreign_currency_id', $currency->id)
->where('transactions.transaction_currency_id', '!=', $currency->id)
->get(['transactions.foreign_amount'])->toArray();
$foreignBalance = $this->sumTransactions($transactions, 'foreign_amount');
$balance = bcadd($nativeBalance, $foreignBalance);
$virtual = null === $account->virtual_balance ? '0' : (string)$account->virtual_balance;
$balance = bcadd($balance, $virtual);
$cache->store($balance);
return $balance;
}
/**
* @param Account $account
* @param Carbon $start
* @param Carbon $end
*
* @return array
* @throws FireflyException
*/
public function balanceInRangeConverted(Account $account, Carbon $start, Carbon $end, TransactionCurrency $native): array
{
$cache = new CacheProperties();
$cache->addProperty($account->id);
$cache->addProperty('balance-in-range-converted');
$cache->addProperty($native->id);
$cache->addProperty($start);
$cache->addProperty($end);
if ($cache->has()) {
return $cache->get();
}
app('log')->debug(sprintf('balanceInRangeConverted for account #%d to %s', $account->id, $native->code));
$start->subDay();
$end->addDay();
$balances = [];
$formatted = $start->format('Y-m-d');
$currencies = [];
$startBalance = $this->balanceConverted($account, $start, $native); // already converted to native amount
$balances[$formatted] = $startBalance;
app('log')->debug(sprintf('Start balance on %s is %s', $formatted, $startBalance));
$converter = new ExchangeRateConverter();
// not sure why this is happening:
$start->addDay();
// grab all transactions between start and end:
$set = $account->transactions()
->leftJoin('transaction_journals', 'transactions.transaction_journal_id', '=', 'transaction_journals.id')
->where('transaction_journals.date', '>=', $start->format('Y-m-d 00:00:00'))
->where('transaction_journals.date', '<=', $end->format('Y-m-d 23:59:59'))
->orderBy('transaction_journals.date', 'ASC')
->whereNull('transaction_journals.deleted_at')
->get(
[
'transaction_journals.date',
'transactions.transaction_currency_id',
'transactions.amount',
'transactions.foreign_currency_id',
'transactions.foreign_amount',
]
)->toArray();
// loop the set and convert if necessary:
$currentBalance = $startBalance;
/** @var Transaction $transaction */
foreach ($set as $transaction) {
$day = Carbon::createFromFormat('Y-m-d H:i:s', $transaction['date'], config('app.timezone'));
$format = $day->format('Y-m-d');
// if the transaction is in the expected currency, change nothing.
if ((int)$transaction['transaction_currency_id'] === (int)$native->id) {
// change the current balance, set it to today, continue the loop.
$currentBalance = bcadd($currentBalance, $transaction['amount']);
$balances[$format] = $currentBalance;
app('log')->debug(sprintf('%s: transaction in %s, new balance is %s.', $format, $native->code, $currentBalance));
continue;
}
// if foreign currency is in the expected currency, do nothing:
if ((int)$transaction['foreign_currency_id'] === (int)$native->id) {
$currentBalance = bcadd($currentBalance, $transaction['foreign_amount']);
$balances[$format] = $currentBalance;
app('log')->debug(sprintf('%s: transaction in %s (foreign), new balance is %s.', $format, $native->code, $currentBalance));
continue;
}
// otherwise, convert 'amount' to the necessary currency:
$currencyId = (int)$transaction['transaction_currency_id'];
$currency = $currencies[$currencyId] ?? TransactionCurrency::find($currencyId);
$rate = $converter->getCurrencyRate($currency, $native, $day);
$convertedAmount = bcmul($transaction['amount'], $rate);
$currentBalance = bcadd($currentBalance, $convertedAmount);
$balances[$format] = $currentBalance;
app('log')->debug(sprintf(
'%s: transaction in %s(!). Conversion rate is %s. %s %s = %s %s',
$format,
$currency->code,
$rate,
$currency->code,
$transaction['amount'],
$native->code,
$convertedAmount
));
}
$cache->store($balances);
return $balances;
}
/**
* Gets balance at the end of current month by default. Returns the balance converted
* to the indicated currency ($native).
*
* @param Account $account
* @param Carbon $date
* @param TransactionCurrency $native
*
* @return string
* @throws FireflyException
*/
public function balanceConverted(Account $account, Carbon $date, TransactionCurrency $native): string
{
app('log')->debug(sprintf('Now in balanceConverted (%s) for account #%d, converting to %s', $date->format('Y-m-d'), $account->id, $native->code));
// abuse chart properties:
$cache = new CacheProperties();
$cache->addProperty($account->id);
$cache->addProperty('balance');
$cache->addProperty($date);
$cache->addProperty($native->id);
if ($cache->has()) {
// return $cache->get();
}
/** @var AccountRepositoryInterface $repository */
$repository = app(AccountRepositoryInterface::class);
$currency = $repository->getAccountCurrency($account);
if (null === $currency) {
throw new FireflyException('Cannot get converted account balance: no currency found for account.');
}
if ((int)$native->id === (int)$currency->id) {
return $this->balance($account, $date);
}
/**
* selection of transactions
* 1: all normal transactions. No foreign currency info. In $currency. Need conversion.
* 2: all normal transactions. No foreign currency info. In $native. Need NO conversion.
* 3: all normal transactions. No foreign currency info. In neither currency. Need conversion.
* Then, select everything with foreign currency info:
* 4. All transactions with foreign currency info in $native. Normal currency value is ignored. Do not need conversion.
* 5. All transactions with foreign currency info NOT in $native, but currency info in $currency. Need conversion.
* 6. All transactions with foreign currency info NOT in $native, and currency info NOT in $currency. Need conversion.
*
*/
$new = [];
$existing = [];
// 1
$new[] = $account->transactions()
->leftJoin('transaction_journals', 'transaction_journals.id', '=', 'transactions.transaction_journal_id')
->where('transaction_journals.date', '<=', $date->format('Y-m-d 23:59:59'))
->where('transactions.transaction_currency_id', $currency->id)
->whereNull('transactions.foreign_currency_id')
->get(['transaction_journals.date', 'transactions.amount'])->toArray();
app('log')->debug(sprintf('%d transaction(s) in set #1', count($new[0])));
// 2
$existing[] = $account->transactions()
->leftJoin('transaction_journals', 'transaction_journals.id', '=', 'transactions.transaction_journal_id')
->where('transaction_journals.date', '<=', $date->format('Y-m-d 23:59:59'))
->where('transactions.transaction_currency_id', $native->id)
->whereNull('transactions.foreign_currency_id')
->get(['transactions.amount'])->toArray();
app('log')->debug(sprintf('%d transaction(s) in set #2', count($existing[0])));
// 3
$new[] = $account->transactions()
->leftJoin('transaction_journals', 'transaction_journals.id', '=', 'transactions.transaction_journal_id')
->where('transaction_journals.date', '<=', $date->format('Y-m-d 23:59:59'))
->where('transactions.transaction_currency_id', '!=', $currency->id)
->where('transactions.transaction_currency_id', '!=', $native->id)
->whereNull('transactions.foreign_currency_id')
->get(['transaction_journals.date', 'transactions.amount'])->toArray();
app('log')->debug(sprintf('%d transactions in set #3', count($new[1])));
// 4
$existing[] = $account->transactions()
->leftJoin('transaction_journals', 'transaction_journals.id', '=', 'transactions.transaction_journal_id')
->where('transaction_journals.date', '<=', $date->format('Y-m-d 23:59:59'))
->where('transactions.foreign_currency_id', $native->id)
->whereNotNull('transactions.foreign_amount')
->get(['transactions.foreign_amount'])->toArray();
app('log')->debug(sprintf('%d transactions in set #4', count($existing[1])));
// 5
$new[] = $account->transactions()
->leftJoin('transaction_journals', 'transaction_journals.id', '=', 'transactions.transaction_journal_id')
->where('transaction_journals.date', '<=', $date->format('Y-m-d 23:59:59'))
->where('transactions.transaction_currency_id', $currency->id)
->where('transactions.foreign_currency_id', '!=', $native->id)
->whereNotNull('transactions.foreign_amount')
->get(['transaction_journals.date', 'transactions.amount'])->toArray();
app('log')->debug(sprintf('%d transactions in set #5', count($new[2])));
// 6
$new[] = $account->transactions()
->leftJoin('transaction_journals', 'transaction_journals.id', '=', 'transactions.transaction_journal_id')
->where('transaction_journals.date', '<=', $date->format('Y-m-d 23:59:59'))
->where('transactions.transaction_currency_id', '!=', $currency->id)
->where('transactions.foreign_currency_id', '!=', $native->id)
->whereNotNull('transactions.foreign_amount')
->get(['transaction_journals.date', 'transactions.amount'])->toArray();
app('log')->debug(sprintf('%d transactions in set #6', count($new[3])));
// process both sets of transactions. Of course, no need to convert set "existing".
$balance = $this->sumTransactions($existing[0], 'amount');
$balance = bcadd($balance, $this->sumTransactions($existing[1], 'foreign_amount'));
//app('log')->debug(sprintf('Balance from set #2 and #4 is %f', $balance));
// need to convert the others. All sets use the "amount" value as their base (that's easy)
// but we need to convert each transaction separately because the date difference may
// incur huge currency changes.
$converter = new ExchangeRateConverter();
foreach ($new as $index => $set) {
foreach ($set as $transaction) {
$date = Carbon::createFromFormat('Y-m-d H:i:s', $transaction['date']);
$rate = $converter->getCurrencyRate($currency, $native, $date);
$convertedAmount = bcmul($transaction['amount'], $rate);
$balance = bcadd($balance, $convertedAmount);
// app('log')->debug(sprintf('Date: %s, rate: %s, amount: %s %s, new: %s %s',
// $date->format('Y-m-d'),
// $rate,
// $currency->code,
// $transaction['amount'],
// $native->code,
// $convertedAmount
// ));
}
//app('log')->debug(sprintf('Balance from new set #%d is %f', $index, $balance));
}
// add virtual balance (also needs conversion)
$virtual = null === $account->virtual_balance ? '0' : (string)$account->virtual_balance;
$virtual = $converter->convert($currency, $native, $account->created_at, $virtual);
$balance = bcadd($balance, $virtual);
$cache->store($balance);
return $balance;
}
/**
* This method always ignores the virtual balance.
*
* @param Collection $accounts
* @param Carbon $date
*
* @return array
* @throws FireflyException
*/
public function balancesByAccounts(Collection $accounts, Carbon $date): array
{
$ids = $accounts->pluck('id')->toArray();
// cache this property.
$cache = new CacheProperties();
$cache->addProperty($ids);
$cache->addProperty('balances');
$cache->addProperty($date);
if ($cache->has()) {
return $cache->get();
}
// need to do this per account.
$result = [];
/** @var Account $account */
foreach ($accounts as $account) {
$result[$account->id] = $this->balance($account, $date);
}
$cache->store($result);
return $result;
}
/**
* This method always ignores the virtual balance.
*
* @param Collection $accounts
* @param Carbon $date
*
* @return array
* @throws FireflyException
*/
public function balancesByAccountsConverted(Collection $accounts, Carbon $date): array
{
$ids = $accounts->pluck('id')->toArray();
// cache this property.
$cache = new CacheProperties();
$cache->addProperty($ids);
$cache->addProperty('balances-converted');
$cache->addProperty($date);
if ($cache->has()) {
// return $cache->get();
}
// need to do this per account.
$result = [];
/** @var Account $account */
foreach ($accounts as $account) {
$default = app('amount')->getDefaultCurrencyByUser($account->user);
$result[(int)$account->id]
= [
'balance' => $this->balance($account, $date),
'native_balance' => $this->balanceConverted($account, $date, $default),
];
}
$cache->store($result);
return $result;
}
/**
* Same as above, but also groups per currency.
*
* @param Collection $accounts
* @param Carbon $date
*
* @return array
*/
public function balancesPerCurrencyByAccounts(Collection $accounts, Carbon $date): array
{
$ids = $accounts->pluck('id')->toArray();
// cache this property.
$cache = new CacheProperties();
$cache->addProperty($ids);
$cache->addProperty('balances-per-currency');
$cache->addProperty($date);
if ($cache->has()) {
return $cache->get();
}
// need to do this per account.
$result = [];
/** @var Account $account */
foreach ($accounts as $account) {
$result[$account->id] = $this->balancePerCurrency($account, $date);
}
$cache->store($result);
return $result;
}
/**
* @param Account $account
* @param Carbon $date
*
* @return array
*/
public function balancePerCurrency(Account $account, Carbon $date): array
{
// abuse chart properties:
$cache = new CacheProperties();
$cache->addProperty($account->id);
$cache->addProperty('balance-per-currency');
$cache->addProperty($date);
if ($cache->has()) {
return $cache->get();
}
$query = $account->transactions()
->leftJoin('transaction_journals', 'transaction_journals.id', '=', 'transactions.transaction_journal_id')
->where('transaction_journals.date', '<=', $date->format('Y-m-d 23:59:59'))
->groupBy('transactions.transaction_currency_id');
$balances = $query->get(['transactions.transaction_currency_id', DB::raw('SUM(transactions.amount) as sum_for_currency')]);
$return = [];
/** @var stdClass $entry */
foreach ($balances as $entry) {
$return[(int)$entry->transaction_currency_id] = (string)$entry->sum_for_currency;
}
$cache->store($return);
return $return;
}
/**
* https://stackoverflow.com/questions/1642614/how-to-ceil-floor-and-round-bcmath-numbers
*
* @param null|string $number
* @param int $precision
*
* @return string
*/
public function bcround(?string $number, int $precision = 0): string
{
if (null === $number) {
return '0';
}
if ('' === trim($number)) {
return '0';
}
// if the number contains "E", it's in scientific notation, so we need to convert it to a normal number first.
if (false !== stripos($number, 'e')) {
$number = sprintf('%.12f', $number);
}
// Log::debug(sprintf('Trying bcround("%s",%d)', $number, $precision));
if (str_contains($number, '.')) {
if ($number[0] !== '-') {
return bcadd($number, '0.' . str_repeat('0', $precision) . '5', $precision);
}
return bcsub($number, '0.' . str_repeat('0', $precision) . '5', $precision);
}
return $number;
}
/**
* @param string $string
*
* @return string
*/
public function filterSpaces(string $string): string
{
$search = [
"\u{0001}", // start of heading
"\u{0002}", // start of text
"\u{0003}", // end of text
"\u{0004}", // end of transmission
"\u{0005}", // enquiry
"\u{0006}", // ACK
"\u{0007}", // BEL
"\u{0008}", // backspace
"\u{000E}", // shift out
"\u{000F}", // shift in
"\u{0010}", // data link escape
"\u{0011}", // DC1
"\u{0012}", // DC2
"\u{0013}", // DC3
"\u{0014}", // DC4
"\u{0015}", // NAK
"\u{0016}", // SYN
"\u{0017}", // ETB
"\u{0018}", // CAN
"\u{0019}", // EM
"\u{001A}", // SUB
"\u{001B}", // escape
"\u{001C}", // file separator
"\u{001D}", // group separator
"\u{001E}", // record separator
"\u{001F}", // unit separator
"\u{007F}", // DEL
"\u{00A0}", // non-breaking space
"\u{1680}", // ogham space mark
"\u{180E}", // mongolian vowel separator
"\u{2000}", // en quad
"\u{2001}", // em quad
"\u{2002}", // en space
"\u{2003}", // em space
"\u{2004}", // three-per-em space
"\u{2005}", // four-per-em space
"\u{2006}", // six-per-em space
"\u{2007}", // figure space
"\u{2008}", // punctuation space
"\u{2009}", // thin space
"\u{200A}", // hair space
"\u{200B}", // zero width space
"\u{202F}", // narrow no-break space
"\u{3000}", // ideographic space
"\u{FEFF}", // zero width no -break space
"\x20", // plain old normal space
];
// clear zalgo text
$string = preg_replace('/(\pM{2})\pM+/u', '\1', $string);
return str_replace($search, '', $string);
}
/**
* @param string $ipAddress
*
* @return string
* @throws FireflyException
*/
public function getHostName(string $ipAddress): string
{
try {
$hostName = gethostbyaddr($ipAddress);
} catch (Exception $e) { // intentional generic exception
throw new FireflyException($e->getMessage(), 0, $e);
}
return $hostName;
}
/**
* @param array $accounts
*
* @return array
*/
public function getLastActivities(array $accounts): array
{
$list = [];
$set = auth()->user()->transactions()
->whereIn('transactions.account_id', $accounts)
->groupBy(['transactions.account_id', 'transaction_journals.user_id'])
->get(['transactions.account_id', DB::raw('MAX(transaction_journals.date) AS max_date')]);
foreach ($set as $entry) {
$date = new Carbon($entry->max_date, config('app.timezone'));
$date->setTimezone(config('app.timezone'));
$list[(int)$entry->account_id] = $date;
}
return $list;
}
/**
* Get user's locale.
*
* @return string
* @throws FireflyException
* @throws ContainerExceptionInterface
* @throws NotFoundExceptionInterface
*/
public function getLocale(): string // get preference
{
$locale = app('preferences')->get('locale', config('firefly.default_locale', 'equal'))->data;
if ('equal' === $locale) {
$locale = $this->getLanguage();
}
// Check for Windows to replace the locale correctly.
if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
$locale = str_replace('_', '-', $locale);
}
return $locale;
}
/**
* Get user's language.
*
* @return string
* @throws FireflyException
* @throws ContainerExceptionInterface
* @throws NotFoundExceptionInterface
*/
public function getLanguage(): string // get preference
{
$preference = app('preferences')->get('language', config('firefly.default_language', 'en_US'))->data;
if (!is_string($preference)) {
throw new FireflyException(sprintf('Preference "language" must be a string, but is unexpectedly a "%s".', gettype($preference)));
}
return $preference;
}
/**
* @param string $locale
*
* @return array
*/
public function getLocaleArray(string $locale): array
{
return [
sprintf('%s.utf8', $locale),
sprintf('%s.UTF-8', $locale),
];
}
/**
* Returns the previous URL but refuses to send you to specific URLs.
*
* - outside domain
* - to JS files, API or JSON routes
*
* Uses the session's previousUrl() function as inspired by GitHub user @z1r0-
*
* session()->previousUrl() uses getSafeUrl() so we can safely return it:
*
* @return string
*/
public function getSafePreviousUrl(): string
{
//Log::debug(sprintf('getSafePreviousUrl: "%s"', session()->previousUrl()));
return session()->previousUrl() ?? route('index');
}
/**
* Make sure URL is safe.
*
* @param string $unknownUrl
* @param string $safeUrl
*
* @return string
*/
public function getSafeUrl(string $unknownUrl, string $safeUrl): string
{
//Log::debug(sprintf('getSafeUrl(%s, %s)', $unknownUrl, $safeUrl));
$returnUrl = $safeUrl;
$unknownHost = parse_url($unknownUrl, PHP_URL_HOST);
$safeHost = parse_url($safeUrl, PHP_URL_HOST);
if (null !== $unknownHost && $unknownHost === $safeHost) {
$returnUrl = $unknownUrl;
}
// URL must not lead to weird pages
$forbiddenWords = ['jscript', 'json', 'debug', 'serviceworker', 'offline', 'delete', '/login', '/attachments/view'];
if (Str::contains($returnUrl, $forbiddenWords)) {
$returnUrl = $safeUrl;
}
return $returnUrl;
}
/**
* @param string $amount
*
* @return string
*/
public function negative(string $amount): string
{
if ('' === $amount) {
return '0';
}
$amount = $this->floatalize($amount);
if (1 === bccomp($amount, '0')) {
$amount = bcmul($amount, '-1');
}
return $amount;
}
/**
* https://framework.zend.com/downloads/archives
*
* Convert a scientific notation to float
* Additionally fixed a problem with PHP <= 5.2.x with big integers
*
* @param string $value
*
* @return string
*/
public function floatalize(string $value): string
{
$value = strtoupper($value);
if (!str_contains($value, 'E')) {
return $value;
}
$number = substr($value, 0, strpos($value, 'E'));
if (str_contains($number, '.')) {
$post = strlen(substr($number, strpos($number, '.') + 1));
$mantis = substr($value, strpos($value, 'E') + 1);
if ($mantis < 0) {
$post += abs((int)$mantis);
}
// TODO careless float could break financial math.
return number_format((float)$value, $post, '.', '');
}
// TODO careless float could break financial math.
return number_format((float)$value, 0, '.', '');
}
/**
* @param string|null $amount
*
* @return string|null
*/
public function opposite(string $amount = null): ?string
{
if (null === $amount) {
return null;
}
return bcmul($amount, '-1');
}
/**
* @param string $string
*
* @return int
*/
public function phpBytes(string $string): int
{
$string = str_replace(['kb', 'mb', 'gb'], ['k', 'm', 'g'], strtolower($string));
if (false !== stripos($string, 'k')) {
// has a K in it, remove the K and multiply by 1024.
$bytes = bcmul(rtrim($string, 'k'), '1024');
return (int)$bytes;
}
if (false !== stripos($string, 'm')) {
// has a M in it, remove the M and multiply by 1048576.
$bytes = bcmul(rtrim($string, 'm'), '1048576');
return (int)$bytes;
}
if (false !== stripos($string, 'g')) {
// has a G in it, remove the G and multiply by (1024)^3.
$bytes = bcmul(rtrim($string, 'g'), '1073741824');
return (int)$bytes;
}
return (int)$string;
}
/**
* @param string $amount
*
* @return string
*/
public function positive(string $amount): string
{
if ('' === $amount) {
return '0';
}
try {
if (bccomp($amount, '0') === -1) {
$amount = bcmul($amount, '-1');
}
} catch (ValueError $e) {
Log::error(sprintf('ValueError in Steam::positive("%s"): %s', $amount, $e->getMessage()));
Log::error($e->getTraceAsString());
return '0';
}
return $amount;
}
}