Merge pull request #11520 from annando/display-polls

[friendica.git] / src / Core / L10n.php

diff --git a/src/Core/L10n.php b/src/Core/L10n.php
index 10cfed6e8462dd767fa819d205f778fb784a8dc5..050c1907371983be027d54defafd183b37b9864d 100644 (file)
--- a/src/Core/L10n.php
+++ b/src/Core/L10n.php
@@ -1,12 +1,30 @@
 <?php
+/**
+ * @copyright Copyright (C) 2010-2022, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * 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/>.
+ *
+ */
 
 namespace Friendica\Core;
 
-use Friendica\Core\Config\IConfiguration;
-use Friendica\Core\Session\ISession;
+use Friendica\Core\Config\Capability\IManageConfigValues;
+use Friendica\Core\Session\Capability\IHandleSessions;
 use Friendica\Database\Database;
 use Friendica\Util\Strings;
-use Psr\Log\LoggerInterface;
 
 /**
  * Provide Language, Translation, and Localization functions to the application
@@ -14,6 +32,38 @@ use Psr\Log\LoggerInterface;
  */
 class L10n
 {
+       /** @var string The default language */
+       const DEFAULT = 'en';
+       /** @var string[] The language names in their language */
+       const LANG_NAMES = [
+               'ar'    => 'العربية',
+               'bg'    => 'Български',
+               'ca'    => 'Català',
+               'cs'    => 'Česky',
+               'da-dk' => 'Dansk (Danmark)',
+               'de'    => 'Deutsch',
+               'en-gb' => 'English (United Kingdom)',
+               'en-us' => 'English (United States)',
+               'en'    => 'English (Default)',
+               'eo'    => 'Esperanto',
+               'es'    => 'Español',
+               'et'    => 'Eesti',
+               'fi-fi' => 'Suomi',
+               'fr'    => 'Français',
+               'hu'    => 'Magyar',
+               'is'    => 'Íslenska',
+               'it'    => 'Italiano',
+               'ja'    => '日本語',
+               'nb-no' => 'Norsk bokmål',
+               'nl'    => 'Nederlands',
+               'pl'    => 'Polski',
+               'pt-br' => 'Português Brasileiro',
+               'ro'    => 'Română',
+               'ru'    => 'Русский',
+               'sv'    => 'Svenska',
+               'zh-cn' => '简体中文',
+       ];
+
        /**
         * A string indicating the current language used for translation:
         * - Two-letter ISO 639-1 code.
@@ -35,17 +85,11 @@ class L10n
         */
        private $dba;
 
-       /**
-        * @var LoggerInterface
-        */
-       private $logger;
-
-       public function __construct(IConfiguration $config, Database $dba, LoggerInterface $logger, ISession $session, array $server, array $get)
+       public function __construct(IManageConfigValues $config, Database $dba, IHandleSessions $session, array $server, array $get)
        {
                $this->dba    = $dba;
-               $this->logger = $logger;
 
-               $this->loadTranslationTable(L10n::detectLanguage($server, $get, $config->get('system', 'language', 'en')));
+               $this->loadTranslationTable(L10n::detectLanguage($server, $get, $config->get('system', 'language', self::DEFAULT)));
                $this->setSessionVariable($session);
                $this->setLangFromSession($session);
        }
@@ -63,7 +107,7 @@ class L10n
        /**
         * Sets the language session variable
         */
-       private function setSessionVariable(ISession $session)
+       private function setSessionVariable(IHandleSessions $session)
        {
                if ($session->get('authenticated') && !$session->get('language')) {
                        $session->set('language', $this->lang);
@@ -81,7 +125,7 @@ class L10n
                }
        }
 
-       private function setLangFromSession(ISession $session)
+       private function setLangFromSession(IHandleSessions $session)
        {
                if ($session->get('language') !== $this->lang) {
                        $this->loadTranslationTable($session->get('language'));
@@ -139,7 +183,7 @@ class L10n
         *
         * @return string The two-letter language code
         */
-       public static function detectLanguage(array $server, array $get, string $sysLang = 'en')
+       public static function detectLanguage(array $server, array $get, string $sysLang = self::DEFAULT)
        {
                $lang_variable = $server['HTTP_ACCEPT_LANGUAGE'] ?? null;
 
@@ -265,6 +309,8 @@ class L10n
         */
        public function tt(string $singular, string $plural, int $count)
        {
+               $s = null;
+
                if (!empty($this->strings[$singular])) {
                        $t = $this->strings[$singular];
                        if (is_array($t)) {
@@ -275,18 +321,22 @@ class L10n
                                        $i = $this->stringPluralSelectDefault($count);
                                }
 
-                               // for some languages there is only a single array item
-                               if (!isset($t[$i])) {
-                                       $s = $t[0];
-                               } else {
+                               if (isset($t[$i])) {
                                        $s = $t[$i];
+                               } elseif (count($t) > 0) {
+                                       // for some languages there is only a single array item
+                                       $s = $t[0];
                                }
+                               // if $t is empty, skip it, because empty strings array are indended
+                               // to make string file smaller when there's no translation
                        } else {
                                $s = $t;
                        }
-               } elseif ($this->stringPluralSelectDefault($count)) {
+               }
+
+               if (is_null($s) && $this->stringPluralSelectDefault($count)) {
                        $s = $plural;
-               } else {
+               } elseif (is_null($s)) {
                        $s = $singular;
                }
 
@@ -312,9 +362,10 @@ class L10n
         *
         * Scans the view/lang directory for the existence of "strings.php" files, and
         * returns an alphabetical list of their folder names (@-char language codes).
-        * Adds the english language if it's missing from the list.
+        * Adds the english language if it's missing from the list. Folder names are
+        * replaced by nativ language names.
         *
-        * Ex: array('de' => 'de', 'en' => 'en', 'fr' => 'fr', ...)
+        * Ex: array('de' => 'Deutsch', 'en' => 'English', 'fr' => 'Français', ...)
         *
         * @return array
         */
@@ -330,7 +381,7 @@ class L10n
                        asort($strings_file_paths);
                        foreach ($strings_file_paths as $strings_file_path) {
                                $path_array            = explode('/', $strings_file_path);
-                               $langs[$path_array[2]] = $path_array[2];
+                               $langs[$path_array[2]] = self::LANG_NAMES[$path_array[2]] ?? $path_array[2];
                        }
                }
                return $langs;