firefly-iii/app/Support/Amount.php
2017-12-17 14:44:05 +01:00

259 lines
8.4 KiB
PHP

<?php
/**
* Amount.php
* Copyright (c) 2017 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\Support;
use FireflyIII\Exceptions\FireflyException;
use FireflyIII\Models\TransactionCurrency;
use FireflyIII\User;
use Illuminate\Support\Collection;
use Preferences as Prefs;
/**
* Class Amount.
*/
class Amount
{
/**
* bool $sepBySpace is $localeconv['n_sep_by_space']
* int $signPosn = $localeconv['n_sign_posn']
* string $sign = $localeconv['negative_sign']
* bool $csPrecedes = $localeconv['n_cs_precedes'].
*
* @param bool $sepBySpace
* @param int $signPosn
* @param string $sign
* @param bool $csPrecedes
*
* @return string
*/
public static function getAmountJsConfig(bool $sepBySpace, int $signPosn, string $sign, bool $csPrecedes): string
{
// negative first:
$space = ' ';
// require space between symbol and amount?
if (!$sepBySpace) {
$space = ''; // no
}
// there are five possible positions for the "+" or "-" sign (if it is even used)
// pos_a and pos_e could be the ( and ) symbol.
$posA = ''; // before everything
$posB = ''; // before currency symbol
$posC = ''; // after currency symbol
$posD = ''; // before amount
$posE = ''; // after everything
// format would be (currency before amount)
// AB%sC_D%vE
// or:
// AD%v_B%sCE (amount before currency)
// the _ is the optional space
// switch on how to display amount:
switch ($signPosn) {
default:
case 0:
// ( and ) around the whole thing
$posA = '(';
$posE = ')';
break;
case 1:
// The sign string precedes the quantity and currency_symbol
$posA = $sign;
break;
case 2:
// The sign string succeeds the quantity and currency_symbol
$posE = $sign;
break;
case 3:
// The sign string immediately precedes the currency_symbol
$posB = $sign;
break;
case 4:
// The sign string immediately succeeds the currency_symbol
$posC = $sign;
}
// default is amount before currency
$format = $posA . $posD . '%v' . $space . $posB . '%s' . $posC . $posE;
if ($csPrecedes) {
// alternative is currency before amount
$format = $posA . $posB . '%s' . $posC . $space . $posD . '%v' . $posE;
}
return $format;
}
/**
* This method will properly format the given number, in color or "black and white",
* as a currency, given two things: the currency required and the current locale.
*
* @param \FireflyIII\Models\TransactionCurrency $format
* @param string $amount
* @param bool $coloured
*
* @return string
*/
public function formatAnything(TransactionCurrency $format, string $amount, bool $coloured = true): string
{
$locale = explode(',', trans('config.locale'));
$locale = array_map('trim', $locale);
setlocale(LC_MONETARY, $locale);
$float = round($amount, 12);
$info = localeconv();
$formatted = number_format($float, intval($format->decimal_places), $info['mon_decimal_point'], $info['mon_thousands_sep']);
// some complicated switches to format the amount correctly:
$precedes = $amount < 0 ? $info['n_cs_precedes'] : $info['p_cs_precedes'];
$separated = $amount < 0 ? $info['n_sep_by_space'] : $info['p_sep_by_space'];
$space = $separated ? ' ' : '';
$result = $format->symbol . $space . $formatted;
if (!$precedes) {
$result = $formatted . $space . $format->symbol;
}
if (true === $coloured) {
if ($amount > 0) {
return sprintf('<span class="text-success">%s</span>', $result);
}
if ($amount < 0) {
return sprintf('<span class="text-danger">%s</span>', $result);
}
return sprintf('<span style="color:#999">%s</span>', $result);
}
return $result;
}
/**
* @return Collection
*/
public function getAllCurrencies(): Collection
{
return TransactionCurrency::orderBy('code', 'ASC')->get();
}
/**
* @return string
*/
public function getCurrencyCode(): string
{
$cache = new CacheProperties;
$cache->addProperty('getCurrencyCode');
if ($cache->has()) {
return $cache->get(); // @codeCoverageIgnore
} else {
$currencyPreference = Prefs::get('currencyPreference', config('firefly.default_currency', 'EUR'));
$currency = TransactionCurrency::where('code', $currencyPreference->data)->first();
if ($currency) {
$cache->store($currency->code);
return $currency->code;
}
$cache->store(config('firefly.default_currency', 'EUR'));
return strval(config('firefly.default_currency', 'EUR'));
}
}
/**
* @return string
*/
public function getCurrencySymbol(): string
{
$cache = new CacheProperties;
$cache->addProperty('getCurrencySymbol');
if ($cache->has()) {
return $cache->get(); // @codeCoverageIgnore
}
$currencyPreference = Prefs::get('currencyPreference', config('firefly.default_currency', 'EUR'));
$currency = TransactionCurrency::where('code', $currencyPreference->data)->first();
$cache->store($currency->symbol);
return $currency->symbol;
}
/**
* @return \FireflyIII\Models\TransactionCurrency
*
* @throws FireflyException
*/
public function getDefaultCurrency(): TransactionCurrency
{
$user = auth()->user();
return $this->getDefaultCurrencyByUser($user);
}
/**
* @param User $user
*
* @return \FireflyIII\Models\TransactionCurrency
*
* @throws FireflyException
*/
public function getDefaultCurrencyByUser(User $user): TransactionCurrency
{
$cache = new CacheProperties;
$cache->addProperty('getDefaultCurrency');
$cache->addProperty($user->id);
if ($cache->has()) {
return $cache->get(); // @codeCoverageIgnore
}
$currencyPreference = Prefs::getForUser($user, 'currencyPreference', config('firefly.default_currency', 'EUR'));
$currency = TransactionCurrency::where('code', $currencyPreference->data)->first();
if (null === $currency) {
throw new FireflyException(sprintf('No currency found with code "%s"', $currencyPreference->data));
}
$cache->store($currency);
return $currency;
}
/**
* This method returns the correct format rules required by accounting.js,
* the library used to format amounts in charts.
*
* @param array $config
*
* @return array
*/
public function getJsConfig(array $config): array
{
$negative = self::getAmountJsConfig(1 === $config['n_sep_by_space'], $config['n_sign_posn'], $config['negative_sign'], 1 === $config['n_cs_precedes']);
$positive = self::getAmountJsConfig(1 === $config['p_sep_by_space'], $config['p_sign_posn'], $config['positive_sign'], 1 === $config['p_cs_precedes']);
return [
'pos' => $positive,
'neg' => $negative,
'zero' => $positive,
];
}
}