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application/Espo/Core/Utils/Currency/DatabasePopulator.php

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+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * 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/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Utils\Currency;
+
+use Espo\Entities\Currency;
+use Espo\ORM\EntityManager;
+use Espo\Core\Utils\Config;
+use Espo\ORM\Name\Attribute;
+
+/**
+ * Populates currency rates into database.
+ */
+class DatabasePopulator
+{
+    public function __construct(
+        private Config $config,
+        private EntityManager $entityManager)
+    {}
+
+    public function process(): void
+    {
+        $defaultCurrency = $this->config->get('defaultCurrency');
+        $baseCurrency = $this->config->get('baseCurrency');
+        $currencyRates = $this->config->get('currencyRates');
+
+        if ($defaultCurrency !== $baseCurrency) {
+            $currencyRates = $this->exchangeRates($baseCurrency, $defaultCurrency, $currencyRates);
+        }
+
+        $currencyRates[$defaultCurrency] = 1.00;
+
+        $delete = $this->entityManager->getQueryBuilder()
+            ->delete()
+            ->from(Currency::ENTITY_TYPE)
+            ->build();
+
+        $this->entityManager->getQueryExecutor()->execute($delete);
+
+        foreach ($currencyRates as $currencyName => $rate) {
+            $this->entityManager->createEntity(Currency::ENTITY_TYPE, [
+                Attribute::ID => $currencyName,
+                'rate' => $rate,
+            ]);
+        }
+    }
+
+    /**
+     * @param array<string, float> $currencyRates
+     * @return array<string, float>
+     */
+    private function exchangeRates(string $baseCurrency, string $defaultCurrency, array $currencyRates): array
+    {
+        $precision = 5;
+        $defaultCurrencyRate = round(1 / $currencyRates[$defaultCurrency], $precision);
+
+        $exchangedRates = [];
+        $exchangedRates[$baseCurrency] = $defaultCurrencyRate;
+
+        unset($currencyRates[$baseCurrency], $currencyRates[$defaultCurrency]);
+
+        foreach ($currencyRates as $currencyName => $rate) {
+            $exchangedRates[$currencyName] = round($rate * $defaultCurrencyRate, $precision);
+        }
+
+        return $exchangedRates;
+    }
+}