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firefly-iii/app/Support/Steam.php

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<?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 FireflyIII\Exceptions\FireflyException;
use FireflyIII\Models\Account;
use FireflyIII\Models\Transaction;
use FireflyIII\Models\TransactionCurrency;
use FireflyIII\Support\Facades\Amount;
use FireflyIII\Support\Http\Api\ExchangeRateConverter;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Str;
use Exception;
use ValueError;
use function Safe\preg_replace;
use function Safe\parse_url;
/**
* Class Steam.
*/
class Steam
{
/**
* https://stackoverflow.com/questions/1642614/how-to-ceil-floor-and-round-bcmath-numbers
*/
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;
}
public function filterAccountBalances(array $total, Account $account, bool $convertToNative, ?TransactionCurrency $currency = null): array
{
Log::debug(sprintf('filterAccountBalances(#%d)', $account->id));
$return = [];
foreach ($total as $key => $value) {
$return[$key] = $this->filterAccountBalance($value, $account, $convertToNative, $currency);
}
Log::debug(sprintf('end of filterAccountBalances(#%d)', $account->id));
return $return;
}
public function filterAccountBalance(array $set, Account $account, bool $convertToNative, ?TransactionCurrency $currency = null): array
{
Log::debug(sprintf('filterAccountBalance(#%d)', $account->id), $set);
if (0 === count($set)) {
Log::debug(sprintf('Return empty array for account #%d', $account->id));
return [];
}
$defaultCurrency = app('amount')->getNativeCurrency();
if ($convertToNative) {
if ($defaultCurrency->id === $currency?->id) {
Log::debug(sprintf('Unset [%s] for account #%d (no longer unset "native_balance")', $defaultCurrency->code, $account->id));
unset($set[$defaultCurrency->code]);
}
// todo rethink this logic.
if ($currency instanceof TransactionCurrency && $defaultCurrency->id !== $currency->id) {
Log::debug(sprintf('Unset balance for account #%d', $account->id));
unset($set['balance']);
}
if (!$currency instanceof TransactionCurrency) {
Log::debug(sprintf('Unset balance for account #%d', $account->id));
unset($set['balance']);
}
}
if (!$convertToNative) {
if (!$currency instanceof TransactionCurrency) {
Log::debug(sprintf('Unset native_balance and make defaultCurrency balance the balance for account #%d', $account->id));
$set['balance'] = $set[$defaultCurrency->code] ?? '0';
unset($set[$defaultCurrency->code]);
}
if ($currency instanceof TransactionCurrency) {
Log::debug(sprintf('Unset [%s] + [%s] balance for account #%d', $defaultCurrency->code, $currency->code, $account->id));
unset($set[$defaultCurrency->code], $set[$currency->code]);
}
}
// put specific value first in array.
if (array_key_exists('native_balance', $set)) {
$set = ['native_balance' => $set['native_balance']] + $set;
}
if (array_key_exists('balance', $set)) {
$set = ['balance' => $set['balance']] + $set;
}
Log::debug(sprintf('Return #%d', $account->id), $set);
return $set;
}
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);
$string = preg_replace('/\s+/', '', $string);
return str_replace($search, '', $string);
}
public function finalAccountBalanceInRange(Account $account, Carbon $start, Carbon $end, bool $convertToNative): array
{
// expand period.
$start->startOfDay();
$end->endOfDay();
Log::debug(sprintf('finalAccountBalanceInRange(#%d, %s, %s)', $account->id, $start->format('Y-m-d H:i:s'), $end->format('Y-m-d H:i:s')));
// set up cache
$cache = new CacheProperties();
$cache->addProperty($account->id);
$cache->addProperty('final-balance-in-range');
$cache->addProperty($start);
$cache->addProperty($convertToNative);
$cache->addProperty($end);
if ($cache->has()) {
return $cache->get();
}
$balances = [];
$formatted = $start->format('Y-m-d');
/*
* To make sure the start balance is correct, we need to get the balance at the exact end of the previous day.
* Since we just did "startOfDay" we can do subDay()->endOfDay() to get the correct moment.
* THAT will be the start balance.
*/
$request = clone $start;
$request->subDay()->endOfDay();
Log::debug(sprintf('finalAccountBalanceInRange: Call finalAccountBalance with date/time "%s"', $request->toIso8601String()));
$startBalance = $this->finalAccountBalance($account, $request);
$nativeCurrency = app('amount')->getNativeCurrencyByUserGroup($account->user->userGroup);
$accountCurrency = $this->getAccountCurrency($account);
$hasCurrency = $accountCurrency instanceof TransactionCurrency;
$currency = $accountCurrency ?? $nativeCurrency;
Log::debug(sprintf('Currency is %s', $currency->code));
// set start balances:
$startBalance[$currency->code] ??= '0';
if ($hasCurrency) {
$startBalance[$accountCurrency->code] ??= '0';
}
if (!$hasCurrency) {
Log::debug(sprintf('Also set start balance in %s', $nativeCurrency->code));
$startBalance[$nativeCurrency->code] ??= '0';
}
$currencies = [
$currency->id => $currency,
$nativeCurrency->id => $nativeCurrency,
];
$balances[$formatted] = $startBalance;
Log::debug('Final start balance: ', $startBalance);
// sums up the balance changes per day.
Log::debug(sprintf('Date >= %s and <= %s', $start->format('Y-m-d H:i:s'), $end->format('Y-m-d H:i:s')));
$set = $account->transactions()
->leftJoin('transaction_journals', 'transactions.transaction_journal_id', '=', 'transaction_journals.id')
->where('transaction_journals.date', '>=', $start->format('Y-m-d H:i:s'))
->where('transaction_journals.date', '<=', $end->format('Y-m-d H:i:s'))
->groupBy('transaction_journals.date')
->groupBy('transactions.transaction_currency_id')
->orderBy('transaction_journals.date', 'ASC')
->whereNull('transaction_journals.deleted_at')
->get(
[ // @phpstan-ignore-line
'transaction_journals.date',
'transactions.transaction_currency_id',
DB::raw('SUM(transactions.amount) AS sum_of_day'),
]
)
;
$currentBalance = $startBalance;
$converter = new ExchangeRateConverter();
/** @var Transaction $entry */
foreach ($set as $entry) {
// get date object
$carbon = new Carbon($entry->date, $entry->date_tz);
$carbonKey = $carbon->format('Y-m-d');
// make sure sum is a string:
$sumOfDay = (string) ($entry->sum_of_day ?? '0');
// #10426 make sure sum is not in scientific notation.
$sumOfDay = $this->floatalize($sumOfDay);
// find currency of this entry, does not have to exist.
$currencies[$entry->transaction_currency_id] ??= TransactionCurrency::find($entry->transaction_currency_id);
// make sure this $entry has its own $entryCurrency
/** @var TransactionCurrency $entryCurrency */
$entryCurrency = $currencies[$entry->transaction_currency_id];
Log::debug(sprintf('Processing transaction(s) on moment %s', $carbon->format('Y-m-d H:i:s')));
// add amount to current balance in currency code.
$currentBalance[$entryCurrency->code] ??= '0';
$currentBalance[$entryCurrency->code] = bcadd($sumOfDay, (string) $currentBalance[$entryCurrency->code]);
// if not convert to native, add the amount to "balance", do nothing else.
if (!$convertToNative) {
$currentBalance['balance'] = bcadd((string) $currentBalance['balance'], $sumOfDay);
}
// if convert to native add the converted amount to "native_balance".
// if there is a request to convert, convert to "native_balance" and use "balance" for whichever amount is in the native currency.
if ($convertToNative) {
$nativeSumOfDay = $converter->convert($entryCurrency, $nativeCurrency, $carbon, $sumOfDay);
$currentBalance['native_balance'] = bcadd((string) $currentBalance['native_balance'], $nativeSumOfDay);
if ($currency->id === $entryCurrency->id) {
$currentBalance['balance'] = bcadd((string) $currentBalance['balance'], $sumOfDay);
}
}
// just set it.
$balances[$carbonKey] = $currentBalance;
Log::debug(sprintf('Updated entry [%s]', $carbonKey), $currentBalance);
}
$cache->store($balances);
Log::debug('End of method');
return $balances;
}
/**
* Returns smaller than or equal to, so be careful with END OF DAY.
*
* Returns the balance of an account at exact moment given. Array with at least one value.
* Always returns:
* "balance": balance in the account's currency OR user's native currency if the account has no currency
* "EUR": balance in EUR (or whatever currencies the account has balance in)
*
* If the user has $convertToNative:
* "balance": balance in the account's currency OR user's native currency if the account has no currency
* --> "native_balance": balance in the user's native balance, with all amounts converted to native.
* "EUR": balance in EUR (or whatever currencies the account has balance in)
*/
public function finalAccountBalance(Account $account, Carbon $date, ?TransactionCurrency $native = null, ?bool $convertToNative = null): array
{
$cache = new CacheProperties();
$cache->addProperty($account->id);
$cache->addProperty($date);
if ($cache->has()) {
Log::debug(sprintf('CACHED finalAccountBalance(#%d, %s)', $account->id, $date->format('Y-m-d H:i:s')));
return $cache->get();
}
// Log::debug(sprintf('finalAccountBalance(#%d, %s)', $account->id, $date->format('Y-m-d H:i:s')));
if (null === $convertToNative) {
$convertToNative = Amount::convertToNative($account->user);
}
if (!$native instanceof TransactionCurrency) {
$native = Amount::getNativeCurrencyByUserGroup($account->user->userGroup);
}
// account balance thing.
$currencyPresent = isset($account->meta) && array_key_exists('currency', $account->meta) && null !== $account->meta['currency'];
if ($currencyPresent) {
$accountCurrency = $account->meta['currency'];
}
if (!$currencyPresent) {
$accountCurrency = $this->getAccountCurrency($account);
}
$hasCurrency = null !== $accountCurrency;
$currency = $hasCurrency ? $accountCurrency : $native;
$return = [
'native_balance' => '0',
'balance' => '0', // this key is overwritten right away, but I must remember it is always created.
];
// balance(s) in all currencies.
$array = $account->transactions()
->leftJoin('transaction_journals', 'transaction_journals.id', '=', 'transactions.transaction_journal_id')
->leftJoin('transaction_currencies', 'transaction_currencies.id', '=', 'transactions.transaction_currency_id')
->where('transaction_journals.date', '<=', $date->format('Y-m-d H:i:s'))
->get(['transaction_currencies.code', 'transactions.amount'])->toArray()
;
$others = $this->groupAndSumTransactions($array, 'code', 'amount');
// Log::debug('All balances are (joined)', $others);
// if there is no request to convert, take this as "balance" and "native_balance".
$return['balance'] = $others[$currency->code] ?? '0';
if (!$convertToNative) {
unset($return['native_balance']);
// Log::debug(sprintf('Set balance to %s, unset native_balance', $return['balance']));
}
// if there is a request to convert, convert to "native_balance" and use "balance" for whichever amount is in the native currency.
if ($convertToNative) {
$return['native_balance'] = $this->convertAllBalances($others, $native, $date); // todo sum all and convert.
// Log::debug(sprintf('Set native_balance to %s', $return['native_balance']));
}
// either way, the balance is always combined with the virtual balance:
$virtualBalance = (string) ('' === (string) $account->virtual_balance ? '0' : $account->virtual_balance);
if ($convertToNative) {
// the native balance is combined with a converted virtual_balance:
$converter = new ExchangeRateConverter();
$nativeVirtualBalance = $converter->convert($currency, $native, $date, $virtualBalance);
$return['native_balance'] = bcadd($nativeVirtualBalance, $return['native_balance']);
// Log::debug(sprintf('Native virtual balance makes the native total %s', $return['native_balance']));
}
if (!$convertToNative) {
// if not, also increase the balance + native balance for consistency.
$return['balance'] = bcadd($return['balance'], $virtualBalance);
// Log::debug(sprintf('Virtual balance makes the (native) total %s', $return['balance']));
}
$final = array_merge($return, $others);
// Log::debug('Final balance is', $final);
$cache->store($final);
return $final;
}
public function getAccountCurrency(Account $account): ?TransactionCurrency
{
$type = $account->accountType->type;
$list = config('firefly.valid_currency_account_types');
// return null if not in this list.
if (!in_array($type, $list, true)) {
return null;
}
$result = $account->accountMeta()->where('name', 'currency_id')->first();
if (null === $result) {
return null;
}
return TransactionCurrency::find((int) $result->data);
}
private function groupAndSumTransactions(array $array, string $group, string $field): array
{
$return = [];
foreach ($array as $item) {
$groupKey = $item[$group] ?? 'unknown';
$return[$groupKey] = bcadd($return[$groupKey] ?? '0', (string) $item[$field]);
}
return $return;
}
private function convertAllBalances(array $others, TransactionCurrency $native, Carbon $date): string
{
$total = '0';
$converter = new ExchangeRateConverter();
foreach ($others as $key => $amount) {
$currency = TransactionCurrency::where('code', $key)->first();
if (null === $currency) {
continue;
}
$current = $converter->convert($currency, $native, $date, $amount);
Log::debug(sprintf('Convert %s %s to %s %s', $currency->code, $amount, $native->code, $current));
$total = bcadd($current, $total);
}
return $total;
}
public function finalAccountsBalance(Collection $accounts, Carbon $date): array
{
Log::debug(sprintf('finalAccountsBalance: Call finalAccountBalance with date/time "%s"', $date->toIso8601String()));
$balances = [];
foreach ($accounts as $account) {
$balances[$account->id] = $this->finalAccountBalance($account, $date);
}
return $balances;
}
/**
* @throws FireflyException
*/
public function getHostName(string $ipAddress): string
{
$host = '';
try {
$hostName = gethostbyaddr($ipAddress);
} catch (Exception $e) {
app('log')->error($e->getMessage());
$hostName = $ipAddress;
}
if ('' !== (string) $hostName && $hostName !== $ipAddress) {
$host = $hostName;
}
return (string) $host;
}
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')]) // @phpstan-ignore-line
;
/** @var Transaction $entry */
foreach ($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.
*/
public function getLocale(): string // get preference
{
$locale = app('preferences')->get('locale', config('firefly.default_locale', 'equal'))->data;
if (is_array($locale)) {
$locale = 'equal';
}
if ('equal' === $locale) {
$locale = $this->getLanguage();
}
$locale = (string) $locale;
// Check for Windows to replace the locale correctly.
if ('WIN' === strtoupper(substr(PHP_OS, 0, 3))) {
return str_replace('_', '-', $locale);
}
return $locale;
}
/**
* Get user's language.
*
* @throws FireflyException
*/
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 str_replace('-', '_', $preference);
}
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:
*/
public function getSafePreviousUrl(): string
{
// Log::debug(sprintf('getSafePreviousUrl: "%s"', session()->previousUrl()));
return session()->previousUrl() ?? route('index');
}
/**
* Make sure URL is safe.
*/
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)) {
return $safeUrl;
}
return $returnUrl;
}
public function negative(string $amount): string
{
if ('' === $amount) {
return '0';
}
$amount = $this->floatalize($amount);
if (1 === bccomp($amount, '0')) {
return bcmul($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
*/
public function floatalize(string $value): string
{
$value = strtoupper($value);
if (!str_contains($value, 'E')) {
return $value;
}
Log::debug(sprintf('Floatalizing %s', $value));
$number = substr($value, 0, (int) strpos($value, 'E'));
if (str_contains($number, '.')) {
$post = strlen(substr($number, (int) strpos($number, '.') + 1));
$mantis = substr($value, (int) 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, '.', '');
}
public function opposite(?string $amount = null): ?string
{
if (null === $amount) {
return null;
}
return bcmul($amount, '-1');
}
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;
}
public function positive(string $amount): string
{
if ('' === $amount) {
return '0';
}
try {
if (-1 === bccomp($amount, '0')) {
$amount = bcmul($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;
}
}
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