Merge pull request #11015 from MrPetovan/task/10979-frio-time-tooltip

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

diff --git a/src/Core/L10n.php b/src/Core/L10n.php
index 3f92dd5800c35b857295dcb391050c69bf8a8d0b..aca57793ca9711d1208c5e60f5c37231784f4a64 100644 (file)
--- a/src/Core/L10n.php
+++ b/src/Core/L10n.php
@@ -1,9 +1,28 @@
 <?php
+/**
+ * @copyright Copyright (C) 2010-2021, 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;
@@ -14,6 +33,9 @@ use Psr\Log\LoggerInterface;
  */
 class L10n
 {
+       /** @var string The default language */
+       const DEFAULT = 'en';
+
        /**
         * A string indicating the current language used for translation:
         * - Two-letter ISO 639-1 code.
@@ -40,12 +62,12 @@ class L10n
         */
        private $logger;
 
-       public function __construct(IConfiguration $config, Database $dba, LoggerInterface $logger, ISession $session, array $server, array $get)
+       public function __construct(IManageConfigValues $config, Database $dba, LoggerInterface $logger, 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 +85,7 @@ 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 +103,7 @@ class L10n
                }
        }
 
-       private function setLangFromSession(ISession $session)
+       private function setLangFromSession(IHandleSessions $session)
        {
                if ($session->get('language') !== $this->lang) {
                        $this->loadTranslationTable($session->get('language'));
@@ -115,13 +137,13 @@ class L10n
                $addons = $this->dba->select('addon', ['name'], ['installed' => true]);
                while ($p = $this->dba->fetch($addons)) {
                        $name = Strings::sanitizeFilePathItem($p['name']);
-                       if (file_exists("addon/$name/lang/$lang/strings.php")) {
-                               include __DIR__ . "/../../../addon/$name/lang/$lang/strings.php";
+                       if (file_exists(__DIR__ . "/../../addon/$name/lang/$lang/strings.php")) {
+                               include __DIR__ . "/../../addon/$name/lang/$lang/strings.php";
                        }
                }
 
-               if (file_exists(__DIR__ . "/../../../view/lang/$lang/strings.php")) {
-                       include __DIR__ . "/../../../view/lang/$lang/strings.php";
+               if (file_exists(__DIR__ . "/../../view/lang/$lang/strings.php")) {
+                       include __DIR__ . "/../../view/lang/$lang/strings.php";
                }
 
                $this->lang    = $lang;
@@ -131,7 +153,7 @@ class L10n
        }
 
        /**
-        * @brief Returns the preferred language from the HTTP_ACCEPT_LANGUAGE header
+        * Returns the preferred language from the HTTP_ACCEPT_LANGUAGE header
         *
         * @param string $sysLang The default fallback language
         * @param array  $server  The $_SERVER array
@@ -139,7 +161,7 @@ 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;
 
@@ -191,8 +213,8 @@ class L10n
                        while (count($lang_code)) {
                                // try to mix them so we can get double-code parts too
                                $match_lang = strtolower(join('-', $lang_code));
-                               if (file_exists(__DIR__ . "/../../../view/lang/$match_lang") &&
-                                   is_dir(__DIR__ . "/../../../view/lang/$match_lang")) {
+                               if (file_exists(__DIR__ . "/../../view/lang/$match_lang") &&
+                                   is_dir(__DIR__ . "/../../view/lang/$match_lang")) {
                                        if ($lang_quality > $current_q) {
                                                $current_lang = $match_lang;
                                                $current_q    = $lang_quality;
@@ -265,6 +287,8 @@ 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 +299,22 @@ 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;
                }