firefly-iii/app/Support/Amount.php
2017-01-14 19:43:33 +01:00

296 lines
8.9 KiB
PHP

<?php
/**
* Amount.php
* Copyright (C) 2016 thegrumpydictator@gmail.com
*
* This software may be modified and distributed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International License.
*
* See the LICENSE file for details.
*/
declare(strict_types = 1);
namespace FireflyIII\Support;
use FireflyIII\Models\Transaction;
use FireflyIII\Models\TransactionCurrency;
use FireflyIII\Models\TransactionJournal;
use Illuminate\Support\Collection;
use Log;
use Preferences as Prefs;
/**
* Class Amount
*
* @package FireflyIII\Support
*/
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.
$pos_a = ''; // before everything
$pos_b = ''; // before currency symbol
$pos_c = ''; // after currency symbol
$pos_d = ''; // before amount
$pos_e = ''; // after everything
// format would be (currency before amount)
// AB%sC_D%vE
// or:
// AD%v_B%sCE (amount before currency)
// the _ is the optional space
// switch on how to display amount:
switch ($signPosn) {
default:
case 0:
// ( and ) around the whole thing
$pos_a = '(';
$pos_e = ')';
break;
case 1:
// The sign string precedes the quantity and currency_symbol
$pos_a = $sign;
break;
case 2:
// The sign string succeeds the quantity and currency_symbol
$pos_e = $sign;
break;
case 3:
// The sign string immediately precedes the currency_symbol
$pos_b = $sign;
break;
case 4:
// The sign string immediately succeeds the currency_symbol
$pos_c = $sign;
}
// default is amount before currency
$format = $pos_a . $pos_d . '%v' . $space . $pos_b . '%s' . $pos_c . $pos_e;
if ($csPrecedes) {
// alternative is currency before amount
$format = $pos_a . $pos_b . '%s' . $pos_c . $space . $pos_d . '%v' . $pos_e;
}
Log::debug(sprintf('Final format: "%s"', $format));
return $format;
}
/**
* @param string $amount
* @param bool $coloured
*
* @return string
*/
public function format(string $amount, bool $coloured = true): string
{
return $this->formatAnything($this->getDefaultCurrency(), $amount, $coloured);
}
/**
* 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, $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 = $space . $formatted . $format->symbol;
}
if ($coloured === true) {
if ($amount > 0) {
return sprintf('<span class="text-success">%s</span>', $result);
} else {
if ($amount < 0) {
return sprintf('<span class="text-danger">%s</span>', $result);
}
}
return sprintf('<span style="color:#999">%s</span>', $result);
}
return $result;
}
/**
* Used in many places (unfortunately).
*
* @param string $currencyCode
* @param string $amount
* @param bool $coloured
*
* @return string
*/
public function formatByCode(string $currencyCode, string $amount, bool $coloured = true): string
{
$currency = TransactionCurrency::whereCode($currencyCode)->first();
return $this->formatAnything($currency, $amount, $coloured);
}
/**
*
* @param \FireflyIII\Models\TransactionJournal $journal
* @param bool $coloured
*
* @return string
*/
public function formatJournal(TransactionJournal $journal, bool $coloured = true): string
{
$currency = $journal->transactionCurrency;
return $this->formatAnything($currency, TransactionJournal::amount($journal), $coloured);
}
/**
* @param Transaction $transaction
* @param bool $coloured
*
* @return string
*/
public function formatTransaction(Transaction $transaction, bool $coloured = true)
{
$currency = $transaction->transactionJournal->transactionCurrency;
return $this->formatAnything($currency, strval($transaction->amount), $coloured);
}
/**
* @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();
} else {
$currencyPreference = Prefs::get('currencyPreference', config('firefly.default_currency', 'EUR'));
$currency = TransactionCurrency::whereCode($currencyPreference->data)->first();
if ($currency) {
$cache->store($currency->code);
return $currency->code;
}
$cache->store(config('firefly.default_currency', 'EUR'));
return config('firefly.default_currency', 'EUR');
}
}
/**
* @return string
*/
public function getCurrencySymbol(): string
{
$cache = new CacheProperties;
$cache->addProperty('getCurrencySymbol');
if ($cache->has()) {
return $cache->get();
} else {
$currencyPreference = Prefs::get('currencyPreference', config('firefly.default_currency', 'EUR'));
$currency = TransactionCurrency::whereCode($currencyPreference->data)->first();
$cache->store($currency->symbol);
return $currency->symbol;
}
}
/**
* @return \FireflyIII\Models\TransactionCurrency
*/
public function getDefaultCurrency(): TransactionCurrency
{
$cache = new CacheProperties;
$cache->addProperty('getDefaultCurrency');
if ($cache->has()) {
return $cache->get();
}
$currencyPreference = Prefs::get('currencyPreference', config('firefly.default_currency', 'EUR'));
$currency = TransactionCurrency::whereCode($currencyPreference->data)->first();
$cache->store($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
{
$negative = self::getAmountJsConfig($config['n_sep_by_space'] === 1, $config['n_sign_posn'], $config['negative_sign'], $config['n_cs_precedes'] === 1);
$positive = self::getAmountJsConfig($config['p_sep_by_space'] === 1, $config['p_sign_posn'], $config['positive_sign'], $config['p_cs_precedes'] === 1);
return [
'pos' => $positive,
'neg' => $negative,
'zero' => $positive,
];
}
}