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<?php |
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/** |
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* @copyright YetiForce S.A. |
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* @license YetiForce Public License 6.5 (licenses/LicenseEN.txt or yetiforce.com) |
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* @author Maciej Stencel <[email protected]> |
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*/ |
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/** |
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* Class for connection to European Central Bank currency exchange rates. |
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*/ |
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class Settings_CurrencyUpdate_ECB_BankModel extends Settings_CurrencyUpdate_AbstractBank_Model |
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{ |
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// Returns bank name |
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public function getName() |
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{ |
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return 'ECB'; |
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} |
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// Returns url sources from where exchange rates are taken from |
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public function getSource() |
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{ |
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return ['https://www.ecb.europa.eu/stats/eurofxref/eurofxref-hist-90d.xml', 'https://www.ecb.europa.eu/stats/eurofxref/eurofxref-hist.xml']; |
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} |
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// Returns list of currencies supported by this bank |
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public function getSupportedCurrencies() |
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{ |
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$supportedCurrencies = []; |
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$supportedCurrencies[Settings_CurrencyUpdate_Module_Model::getCRMCurrencyName($this->getMainCurrencyCode())] = $this->getMainCurrencyCode(); |
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$source = $this->getSource(); |
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$XML = simplexml_load_file($source[0]); |
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foreach ($XML->Cube->Cube[0] as $currency) { |
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$currencyCode = (string) $currency['currency']; |
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$supportedCurrencies[Settings_CurrencyUpdate_Module_Model::getCRMCurrencyName($currencyCode)] = $currencyCode; |
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} |
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return $supportedCurrencies; |
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} |
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// Returns banks main currency |
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public function getMainCurrencyCode() |
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{ |
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return 'EUR'; |
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} |
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/** |
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* Fetch exchange rates. |
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* |
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* @param <Array> $currencies - list of systems active currencies |
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* @param <Date> $date - date for which exchange is fetched |
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* @param bool $cron - if true then it is fired by server and crms currency conversion rates are updated |
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* @param mixed $otherCurrencyCode |
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* @param mixed $dateParam |
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*/ |
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public function getRates($otherCurrencyCode, $dateParam, $cron = false) |
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{ |
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$moduleModel = Settings_CurrencyUpdate_Module_Model::getCleanInstance(); |
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$selectedBank = $moduleModel->getActiveBankId(); |
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$yesterday = date('Y-m-d', strtotime('-1 day')); |
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// check if data is correct, currency rates can be retrieved only for working days |
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$lastWorkingDay = vtlib\Functions::getLastWorkingDay($yesterday); |
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$today = date('Y-m-d'); |
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$mainCurrency = \App\Fields\Currency::getDefault()['currency_code']; |
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// source, ECB has 2 sources for older rates |
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// 0 - last 90 days |
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// 1 - historical data from year 1999 |
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// we speed script choosing the smaller file for our needs |
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$source = $this->getSource(); |
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// how old is the currency rate |
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$now = time(); // or your date as well |
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$rateDay = strtotime($dateParam); |
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$datediff = $now - $rateDay; |
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if (floor($datediff / (60 * 60 * 24)) >= 90) { |
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$sourceURL = $source[1]; |
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} else { |
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$sourceURL = $source[0]; |
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} |
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$XML = simplexml_load_file($sourceURL); // European Central Bank xml only contains business days! oh well.... |
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if (false === $XML) { |
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return false; |
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} |
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$datePublicationOfFile = $dateParam; |
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$exchangeRate = 1.0; |
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// if currency is diffrent than EUR we need to calculate rate for converting other currencies to this one from EUR |
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if ($mainCurrency != $this->getMainCurrencyCode()) { |
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$foundRate = false; |
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foreach ($XML->Cube->Cube as $time) { |
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if ($time['time'] == $dateParam) { |
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foreach ($time->Cube as $rate) { |
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if ($rate['currency'] == $mainCurrency) { |
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$exchangeRate = $rate['rate']; |
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$foundRate = true; |
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} |
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if ($foundRate) { |
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break; |
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} |
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} |
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} |
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if ($foundRate) { |
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break; |
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} |
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} |
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} |
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$foundRate = false; |
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foreach ($XML->Cube->Cube as $time) { |
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if ($time['time'] == $dateParam) { |
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$num = \count($time->Cube); |
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for ($i = 0; $i < $num; ++$i) { |
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$currency = (string) $time->Cube[$i]['currency']; // currency code |
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foreach ($otherCurrencyCode as $key => $currId) { |
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if ($key == $currency && $currency != $mainCurrency) { |
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$exchange = $time->Cube[$i]['rate']; |
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$exchangeVtiger = (float) $exchange / (float) $exchangeRate; |
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$exchange = (float) $exchangeRate / (float) $exchange; |
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if (true === $cron || ((strtotime($dateParam) == strtotime($today)) || (strtotime($dateParam) == strtotime($lastWorkingDay)))) { |
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$moduleModel->setCRMConversionRate($currency, $exchangeVtiger); |
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} |
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$existingId = $moduleModel->getCurrencyRateId($currId, $datePublicationOfFile, $selectedBank); |
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if ($existingId > 0) { |
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$moduleModel->updateCurrencyRate($existingId, $exchange); |
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} else { |
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$moduleModel->addCurrencyRate($currId, $datePublicationOfFile, $exchange, $selectedBank); |
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} |
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} |
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} |
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} |
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$foundRate = true; |
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} |
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if ($foundRate) { |
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break; |
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} |
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} |
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// currency diffrent than EUR, we need to add manually EUR rates |
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if ($mainCurrency != $this->getMainCurrencyCode()) { |
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$yfRate = 1.00000 / (float) $exchangeRate; |
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$exchange = (float) $exchangeRate; |
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$mainCurrencyId = false; |
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foreach ($otherCurrencyCode as $code => $id) { |
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if ($code == $this->getMainCurrencyCode()) { |
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$mainCurrencyId = $id; |
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} |
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} |
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if ($mainCurrencyId) { |
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if (true === $cron || ((strtotime($dateParam) == strtotime($today)) || (strtotime($dateParam) == strtotime($lastWorkingDay)))) { |
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$moduleModel->setCRMConversionRate($this->getMainCurrencyCode(), $yfRate); |
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} |
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$existingId = $moduleModel->getCurrencyRateId($mainCurrencyId, $datePublicationOfFile, $selectedBank); |
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if ($existingId > 0) { |
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$moduleModel->updateCurrencyRate($existingId, $exchange); |
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} else { |
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$moduleModel->addCurrencyRate($mainCurrencyId, $datePublicationOfFile, $exchange, $selectedBank); |
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} |
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} |
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} |
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} |
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} |
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