Files
espocrm/application/Espo/Core/Utils/Language.php
Taras Machyshyn fac5704c9e Added 2017 year
2017-01-17 15:07:08 +02:00

376 lines
11 KiB
PHP

<?php
/************************************************************************
* This file is part of EspoCRM.
*
* EspoCRM - Open Source CRM application.
* Copyright (C) 2014-2017 Yuri Kuznetsov, Taras Machyshyn, Oleksiy Avramenko
* Website: http://www.espocrm.com
*
* EspoCRM is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* EspoCRM 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with EspoCRM. If not, see http://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 General Public License version 3.
*
* In accordance with Section 7(b) of the GNU General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
************************************************************************/
namespace Espo\Core\Utils;
use \Espo\Core\Utils\Util,
\Espo\Core\Exceptions\NotFound,
\Espo\Core\Exceptions\Error;
class Language
{
private $fileManager;
private $metadata;
private $unifier;
/**
* Data of all languages
*
* @var array
*/
private $data = array();
private $deletedData = array();
private $changedData = array();
private $name = 'i18n';
private $currentLanguage = null;
protected $cacheFile = 'data/cache/application/languages/{*}.php';
protected $defaultLanguage = 'en_US';
protected $useCache = false;
private $paths = array(
'corePath' => 'application/Espo/Resources/i18n',
'modulePath' => 'application/Espo/Modules/{*}/Resources/i18n',
'customPath' => 'custom/Espo/Custom/Resources/i18n',
);
public function __construct($language = null, File\Manager $fileManager, Metadata $metadata, $useCache = false)
{
if ($language) {
$this->currentLanguage = $language;
} else {
$this->currentLanguage = $this->defaultLanguage;
}
$this->fileManager = $fileManager;
$this->metadata = $metadata;
$this->useCache = $useCache;
$this->unifier = new \Espo\Core\Utils\File\Unifier($this->fileManager, $this->metadata);
}
protected function getFileManager()
{
return $this->fileManager;
}
protected function getMetadata()
{
return $this->metadata;
}
protected function getUnifier()
{
return $this->unifier;
}
public function getDefaultLanguage()
{
return $this->defaultLanguage;
}
public static function detectLanguage($config, $preferences = null) {
$language = null;
if ($preferences) {
$language = $preferences->get('language');
}
if (!$language) {
$language = $config->get('language');
}
return $language;
}
public function getLanguage()
{
return $this->currentLanguage;
}
public function setLanguage($language)
{
$this->currentLanguage = $language;
}
protected function getLangCacheFile()
{
$langCacheFile = str_replace('{*}', $this->getLanguage(), $this->cacheFile);
return $langCacheFile;
}
/**
* Translate label/labels
*
* @param string $label name of label
* @param string $category
* @param string $scope
* @param array $requiredOptions List of required options.
* Ex., $requiredOptions = array('en_US', 'de_DE')
* "language" option has only array('en_US' => 'English (United States)',)
* Result will be array('en_US' => 'English (United States)', 'de_DE' => 'de_DE',)
* @return string | array
*/
public function translate($label, $category = 'labels', $scope = 'Global', $requiredOptions = null)
{
if (is_array($label)) {
$translated = array();
foreach ($label as $subLabel) {
$translated[$subLabel] = $this->translate($subLabel, $category, $scope, $requiredOptions);
}
return $translated;
}
$key = $scope.'.'.$category.'.'.$label;
$translated = $this->get($key);
if (!isset($translated)) {
$key = 'Global.'.$category.'.'.$label;
$translated = $this->get($key, $label);
}
if (is_array($translated) && isset($requiredOptions)) {
$translated = array_intersect_key($translated, array_flip($requiredOptions));
$optionKeys = array_keys($translated);
foreach ($requiredOptions as $option) {
if (!in_array($option, $optionKeys)) {
$translated[$option] = $option;
}
}
}
return $translated;
}
public function translateOption($value, $field, $scope = 'Global')
{
$options = $this->get($scope. '.options.' . $field);
if (is_array($options) && array_key_exists($value, $options)) {
return $options[$value];
} else if ($scope !== 'Global') {
$options = $this->get('Global.options.' . $field);
if (is_array($options) && array_key_exists($value, $options)) {
return $options[$value];
}
}
return $value;
}
public function get($key = null, $returns = null)
{
$data = $this->getData();
if (!isset($data) || $data === false) {
throw new Error('Language: current language ['.$this->getLanguage().'] does not found');
}
return Util::getValueByKey($data, $key, $returns);
}
public function getAll()
{
return $this->get();
}
/**
* Save changes
*
* @return bool
*/
public function save()
{
$path = $this->paths['customPath'];
$currentLanguage = $this->getLanguage();
$result = true;
if (!empty($this->changedData)) {
foreach ($this->changedData as $scope => $data) {
if (!empty($data)) {
$result &= $this->getFileManager()->mergeContents(array($path, $currentLanguage, $scope.'.json'), $data, true);
}
}
}
if (!empty($this->deletedData)) {
foreach ($this->deletedData as $scope => $unsetData) {
if (!empty($unsetData)) {
$result &= $this->getFileManager()->unsetContents(array($path, $currentLanguage, $scope.'.json'), $unsetData, true);
}
}
}
$this->clearChanges();
return (bool) $result;
}
/**
* Clear unsaved changes
*
* @return void
*/
public function clearChanges()
{
$this->changedData = array();
$this->deletedData = array();
$this->init(true);
}
/**
* Get data of Unifier language files
*
* @return array
*/
protected function getData()
{
$currentLanguage = $this->getLanguage();
if (!isset($this->data[$currentLanguage])) {
$this->init();
}
return $this->data[$currentLanguage];
}
/**
* Set/change a label
*
* @param string $scope
* @param string $category
* @param string | array $name
* @param mixed $value
*
* @return void
*/
public function set($scope, $category, $name, $value)
{
if (is_array($name)) {
foreach ($name as $rowLabel => $rowValue) {
$this->set($scope, $category, $rowLabel, $rowValue);
}
return;
}
$this->changedData[$scope][$category][$name] = $value;
$currentLanguage = $this->getLanguage();
if (!isset($this->data[$currentLanguage])) {
$this->init();
}
$this->data[$currentLanguage][$scope][$category][$name] = $value;
$this->undelete($scope, $category, $name);
}
/**
* Remove a label
*
* @param string $name
* @param string $category
* @param string $scope
*
* @return void
*/
public function delete($scope, $category, $name)
{
if (is_array($name)) {
foreach ($name as $rowLabel) {
$this->delete($scope, $category, $rowLabel);
}
return;
}
$this->deletedData[$scope][$category][] = $name;
$currentLanguage = $this->getLanguage();
if (!isset($this->data[$currentLanguage])) {
$this->init();
}
if (isset($this->data[$currentLanguage][$scope][$category][$name])) {
unset($this->data[$currentLanguage][$scope][$category][$name]);
}
if (isset($this->changedData[$scope][$category][$name])) {
unset($this->changedData[$scope][$category][$name]);
}
}
protected function undelete($scope, $category, $name)
{
if (isset($this->deletedData[$scope][$category])) {
foreach ($this->deletedData[$scope][$category] as $key => $labelName) {
if ($name === $labelName) {
unset($this->deletedData[$scope][$category][$key]);
}
}
}
}
protected function init($reload = false)
{
if ($reload || !file_exists($this->getLangCacheFile()) || !$this->useCache) {
$fullData = $this->getUnifier()->unify($this->name, $this->paths, true);
$result = true;
foreach ($fullData as $i18nName => $i18nData) {
if ($i18nName != $this->defaultLanguage) {
$i18nData = Util::merge($fullData[$this->defaultLanguage], $i18nData);
}
$this->data[$i18nName] = $i18nData;
if ($this->useCache) {
$i18nCacheFile = str_replace('{*}', $i18nName, $this->cacheFile);
$result &= $this->getFileManager()->putPhpContents($i18nCacheFile, $i18nData);
}
}
if ($result == false) {
throw new Error('Language::init() - Cannot save data to a cache');
}
}
$currentLanguage = $this->getLanguage();
if (empty($this->data[$currentLanguage])) {
$this->data[$currentLanguage] = $this->getFileManager()->getPhpContents($this->getLangCacheFile());
}
}
}