Initial commit

install/core/Language.php

@@ -0,0 +1,158 @@
+<?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.
+ ************************************************************************/
+
+class Language{
+    private $defaultLanguage = 'en_US';
+
+    private $systemHelper;
+
+    private $data = array();
+
+    protected $defaultLabels = [
+        'nginx' => 'linux',
+        'apache' => 'linux',
+        'microsoft-iis' => 'windows',
+    ];
+
+    public function __construct()
+    {
+        require_once 'SystemHelper.php';
+        $this->systemHelper = new SystemHelper();
+    }
+
+    protected function getSystemHelper()
+    {
+        return $this->systemHelper;
+    }
+
+    public function get($language)
+    {
+        if (isset($this->data[$language])) {
+            return $this->data[$language];
+        }
+
+        if (empty($language)) {
+            $language = $this->defaultLanguage;
+        }
+
+        $langFileName = 'install/core/i18n/'.$language.'/install.json';
+        if (!file_exists($langFileName)) {
+            $langFileName = 'install/core/i18n/'.$this->defaultLanguage.'/install.json';
+        }
+
+        $i18n = $this->getLangData($langFileName);
+
+        if ($language != $this->defaultLanguage) {
+            $i18n = $this->mergeWithDefaults($i18n);
+        }
+
+        $this->afterRetrieve($i18n);
+
+        $this->data[$language] = $i18n;
+
+        return $this->data[$language];
+    }
+
+    /**
+     * Merge current language with default one
+     *
+     * @param  array $data
+     * @return array
+     */
+    protected function mergeWithDefaults($data)
+    {
+        $defaultLangFile = 'install/core/i18n/'.$this->defaultLanguage.'/install.json';
+        $defaultData = $this->getLangData($defaultLangFile);
+
+        foreach ($data as $categoryName => &$labels) {
+            foreach ($defaultData[$categoryName] as $defaultLabelName => $defaultLabel) {
+                if (!isset($labels[$defaultLabelName])) {
+                    $labels[$defaultLabelName] = $defaultLabel;
+                }
+            }
+        }
+
+        $data = array_merge($defaultData, $data);
+
+        return $data;
+    }
+
+    protected function getLangData($filePath)
+    {
+        $data = file_get_contents($filePath);
+        $data = json_decode($data, true);
+
+        return $data;
+    }
+
+    /**
+     * After retrieve actions
+     *
+     * @param  array $i18n
+     * @return array $i18n
+     */
+    protected function afterRetrieve(array &$i18n)
+    {
+        /** Get rewrite rules */
+        $serverType = $this->getSystemHelper()->getServerType();
+        $serverOs = $this->getSystemHelper()->getOs();
+
+        $rewriteRules = $this->getSystemHelper()->getRewriteRules();
+
+        $label = $i18n['options']['modRewriteInstruction'][$serverType][$serverOs] ?? null;
+
+        if (!isset($label) && isset($this->defaultLabels[$serverType])) {
+            $defaultLabel = $this->defaultLabels[$serverType];
+
+            if (!isset($i18n['options']['modRewriteInstruction'][$serverType][$defaultLabel])) {
+                $defaultLangFile = 'install/core/i18n/' . $this->defaultLanguage . '/install.json';
+                $defaultData = $this->getLangData($defaultLangFile);
+
+                $i18n['options']['modRewriteInstruction'][$serverType][$defaultLabel] = $defaultData['options']['modRewriteInstruction'][$serverType][$defaultLabel];
+            }
+
+            $label = $i18n['options']['modRewriteInstruction'][$serverType][$defaultLabel];
+        }
+
+        if (!$label) {
+            return;
+        }
+
+        preg_match_all('/\{(.*?)\}/', $label, $match);
+        if (isset($match[1])) {
+            foreach ($match[1] as $varName) {
+                if (isset($rewriteRules[$varName])) {
+                    $label = str_replace('{'.$varName.'}', $rewriteRules[$varName], $label);
+                }
+            }
+        }
+
+        $i18n['options']['modRewriteInstruction'][$serverType][$serverOs] = $label;
+    }
+}