snapshot of https://github.com/espocrm/espocrm.git (master, 2026-09-18; blobs > 131072B omitted)

application/Espo/Core/Currency/InternalRatesProvider.php

@@ -0,0 +1,120 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2026 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\Currency;
+
+use Espo\Core\Field\Date;
+use Espo\Core\Utils\Cache\DataCacheAccess;
+use Espo\Core\Utils\DateTime;
+use Espo\Core\Utils\Event\EventDispatcher;
+use Espo\Tools\Currency\Events\CurrencyRateUpdate;
+use LogicException;
+use RuntimeException;
+use stdClass;
+
+/**
+ * @internal
+ */
+class InternalRatesProvider
+{
+    private string $cacheKey = 'currencyRates';
+
+    private ?Date $today = null;
+    private ?string $base = null;
+
+    /**
+     * @param DataCacheAccess<stdClass> $dataCacheAccess
+     */
+    public function __construct(
+        private DateTime $dateTime,
+        private InternalRateEntryProvider $rateEntryProvider,
+        private DataCacheAccess $dataCacheAccess,
+        private EventDispatcher $eventDispatcher,
+    ) {
+        $this->dataCacheAccess->init(
+            key: $this->cacheKey,
+            loader: function () {
+                if (!$this->today || $this->base === null) {
+                    throw new LogicException();
+                }
+
+                return $this->buildData($this->today, $this->base);
+            },
+            validityChecker: function (stdClass $data): bool {
+                if (!$this->today) {
+                    throw new LogicException();
+                }
+
+                $date = $data->date ?? null;
+
+                return $date === $this->today->toString();
+            },
+        );
+
+        $this->eventDispatcher->subscribe(CurrencyRateUpdate::class, function () {
+            $this->dataCacheAccess->reset();
+        });
+    }
+
+    /**
+     * @return array<string, float>
+     */
+    public function get(string $base): array
+    {
+        $today = $this->dateTime->getToday();
+
+        $this->today = $today;
+        $this->base = $base;
+
+        $data = $this->dataCacheAccess->get();
+
+        if (!property_exists($data, 'rates')) {
+            throw new RuntimeException("Corrupted cache data in '$this->cacheKey'.");
+        }
+
+        return get_object_vars($data->rates);
+    }
+
+    /**
+     * @return stdClass&object{date: string, rates: stdClass}
+     */
+    private function buildData(Date $today, string $base): stdClass
+    {
+        $rates = [];
+
+        foreach ($this->rateEntryProvider->getRateEntries($today, $base) as $rate) {
+            $rates[$rate->getRecord()->getCode()] = (float) $rate->getRate();
+        }
+
+        return (object) [
+            'date' => $today->toString(),
+            'rates' => (object) $rates,
+        ];
+    }
+}