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<?php |
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/* |
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* This file is part of the Laravel MultiLang package. |
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* |
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* (c) Avtandil Kikabidze aka LONGMAN <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Longman\LaravelMultiLang; |
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use Closure; |
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use Illuminate\Cache\CacheManager as Cache; |
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use Illuminate\Database\DatabaseManager as Database; |
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use Illuminate\Http\Request; |
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use Illuminate\Support\Collection; |
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use Illuminate\Support\Str; |
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use InvalidArgumentException; |
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class MultiLang |
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{ |
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/** |
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* Language/Locale. |
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* |
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* @var string |
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*/ |
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protected $lang; |
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/** |
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* System environment |
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* |
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* @var string |
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*/ |
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protected $environment; |
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/** |
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* Config. |
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* |
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* @var \Longman\LaravelMultiLang\Config |
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*/ |
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protected $config; |
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/** |
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* Repository |
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* |
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* @var \Longman\LaravelMultiLang\Repository |
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*/ |
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protected $repository; |
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/** |
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* Texts. |
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* |
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* @var array |
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*/ |
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protected $texts; |
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/** |
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* Missing texts. |
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* |
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* @var array |
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*/ |
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protected $new_texts; |
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/** |
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* Application scope. |
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* |
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* @var string |
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*/ |
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protected $scope; |
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/** |
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* Create a new MultiLang instance. |
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* |
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* @param string $environment |
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* @param array $config |
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* @param \Illuminate\Cache\CacheManager $cache |
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* @param \Illuminate\Database\DatabaseManager $db |
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*/ |
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public function __construct($environment, array $config, Cache $cache, Database $db) |
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{ |
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$this->environment = $environment; |
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$this->cache = $cache; |
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$this->db = $db; |
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$this->setConfig($config); |
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$this->setRepository(new Repository($this->config, $cache, $db)); |
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} |
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/** |
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* Set multilang config |
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* |
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* @param array $config |
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* @return $this |
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*/ |
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public function setConfig(array $config) |
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{ |
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$this->config = new Config($config); |
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return $this; |
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} |
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/** |
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* Set repository object |
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* |
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* @param \Longman\LaravelMultiLang\Repository $repository |
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* @return $this |
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*/ |
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public function setRepository(Repository $repository) |
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{ |
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$this->repository = $repository; |
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return $this; |
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} |
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/** |
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* Get repository object |
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* |
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* @return \Longman\LaravelMultiLang\Repository |
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*/ |
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public function getRepository() |
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{ |
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return $this->repository; |
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} |
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/** |
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* Set application scope |
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* |
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* @param $scope |
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* @return $this |
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*/ |
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public function setScope($scope) |
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{ |
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$this->scope = $scope; |
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return $this; |
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} |
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/** |
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* Get application scope |
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* |
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* @return string |
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*/ |
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public function getScope() |
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{ |
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return $this->scope; |
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} |
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/** |
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* Set locale and load texts |
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* |
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* @param string $lang |
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* @param array $texts |
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* @return void |
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*/ |
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public function setLocale($lang, array $texts = null) |
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{ |
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if (!$lang) { |
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throw new InvalidArgumentException('Locale is empty'); |
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} |
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$this->lang = $lang; |
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if (!is_array($texts)) { |
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$texts = $this->loadTexts($this->getLocale(), $this->scope); |
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} |
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$this->texts = $texts; |
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} |
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/** |
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* Load texts |
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* |
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* @param string $lang |
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* @param string $scope |
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* @return array |
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*/ |
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public function loadTexts($lang, $scope = null) |
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{ |
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if ($this->environment != 'production' || $this->config->get('cache.enabled', true) === false) { |
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$texts = $this->repository->loadFromDatabase($lang, $scope); |
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return $texts; |
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} |
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if ($this->repository->existsInCache($lang)) { |
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$texts = $this->repository->loadFromCache($lang, $scope); |
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} else { |
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$texts = $this->repository->loadFromDatabase($lang, $scope); |
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$this->repository->storeInCache($lang, $texts, $scope); |
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} |
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return $texts; |
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} |
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/** |
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* Get translated text |
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* |
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* @param string $key |
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* @param array $replace |
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* @return string |
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*/ |
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public function get($key, array $replace = []) |
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{ |
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if (empty($key)) { |
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throw new InvalidArgumentException('String key not provided'); |
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} |
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if (!$this->lang) { |
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return $key; |
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} |
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if (!isset($this->texts[$key])) { |
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$this->queueToSave($key); |
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return $this->replaceMarkers($key, $replace); |
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} |
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$text = $this->texts[$key]; |
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return $this->replaceMarkers($text, $replace); |
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} |
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/** |
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* Replace markers in text |
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* |
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* @param string $text |
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* @param array $replace |
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* @return string |
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*/ |
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protected function replaceMarkers($text, array $replace = []) |
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{ |
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if (empty($replace)) { |
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return $text; |
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} |
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return $this->makeReplacements($text, $replace); |
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} |
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/** |
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* Make the place-holder replacements on a line. |
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* |
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* @param string $text |
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* @param array $replace |
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* @return string |
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*/ |
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protected function makeReplacements($text, array $replace) |
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{ |
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$replace = $this->sortReplacements($replace); |
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foreach ($replace as $key => $value) { |
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$text = str_replace( |
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[':' . $key, ':' . Str::upper($key), ':' . Str::ucfirst($key)], |
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[$value, Str::upper($value), Str::ucfirst($value)], |
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$text |
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); |
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} |
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return $text; |
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} |
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/** |
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* Sort the replacements array. |
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* |
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* @param array $replace |
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* @return \Illuminate\Support\Collection |
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*/ |
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protected function sortReplacements(array $replace) |
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{ |
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return (new Collection($replace))->sortBy(function ($value, $key) { |
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return mb_strlen($key) * -1; |
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}); |
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} |
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/** |
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* Get redirect url in middleware |
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* |
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* @param \Illuminate\Http\Request $request |
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* @return null|string |
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*/ |
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public function getRedirectUrl(Request $request) |
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{ |
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$locale = $request->segment(1); |
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$fallback_locale = $this->config->get('default_locale', 'en'); |
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$exclude_segments = $this->config->get('exclude_segments', []); |
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if (in_array($locale, $exclude_segments)) { |
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return null; |
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} |
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if (strlen($locale) == 2) { |
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$locales = $this->config->get('locales', []); |
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if (!isset($locales[$locale])) { |
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$segments = $request->segments(); |
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$segments[0] = $fallback_locale; |
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$url = implode('/', $segments); |
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if ($query_string = $request->server->get('QUERY_STRING')) { |
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$url .= '?' . $query_string; |
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} |
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return $url; |
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} |
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} else { |
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$segments = $request->segments(); |
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$url = $fallback_locale . '/' . implode('/', $segments); |
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if ($query_string = $request->server->get('QUERY_STRING')) { |
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$url .= '?' . $query_string; |
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} |
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return $url; |
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} |
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return null; |
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} |
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/** |
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* Detect locale based on url segment |
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* |
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* @param \Illuminate\Http\Request $request |
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* @return string |
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*/ |
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public function detectLocale(Request $request) |
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{ |
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$locale = $request->segment(1); |
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$locales = $this->config->get('locales'); |
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if (isset($locales[$locale])) { |
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return isset($locales[$locale]['locale']) ? $locales[$locale]['locale'] : $locale; |
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} |
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return $this->config->get('default_locale', 'en'); |
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} |
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/** |
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* Wrap routes to available languages group |
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* |
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* @param \Closure $callback |
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*/ |
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public function routeGroup(Closure $callback) |
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{ |
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$router = app('router'); |
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$locales = $this->config->get('locales', []); |
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foreach ($locales as $locale => $val) { |
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$router->group([ |
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'prefix' => $locale, |
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'as' => $locale . '.', |
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], $callback); |
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} |
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} |
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/** |
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* Manage texts |
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*/ |
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public function manageTextsRoutes() |
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{ |
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$router = app('router'); |
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$route = $this->config->get('text-route.route', 'texts'); |
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$controller = $this->config->get( |
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'text-route.controller', |
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'\Longman\LaravelMultiLang\Controllers\TextsController' |
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); |
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$router->get( |
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$route, |
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['uses' => $controller . '@index'] |
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); |
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$router->post( |
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$route, |
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['uses' => $controller . '@save'] |
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); |
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} |
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/** |
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* Get texts |
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* |
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* @return array |
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*/ |
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public function getTexts() |
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{ |
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return $this->texts; |
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} |
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/** |
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* Get all texts |
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* |
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* @param string $lang |
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* @param string $scope |
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* @return array |
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*/ |
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public function getAllTexts($lang = null, $scope = null) |
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{ |
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return $this->repository->loadAllFromDatabase($lang, $scope); |
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} |
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|
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/** |
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* Set texts manually |
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* |
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* @param array $texts_array |
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* @return \Longman\LaravelMultiLang\MultiLang |
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*/ |
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4 |
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public function setTexts(array $texts_array) |
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{ |
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4 |
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$texts = []; |
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4 |
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foreach ($texts_array as $key => $value) { |
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$texts[$key] = $value; |
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} |
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|
406
|
4 |
|
$this->texts = $texts; |
407
|
|
|
|
408
|
4 |
|
return $this; |
409
|
|
|
} |
410
|
|
|
|
411
|
|
|
/** |
412
|
|
|
* Queue missing texts |
413
|
|
|
* |
414
|
|
|
* @param string $key |
415
|
|
|
* @return void |
416
|
|
|
*/ |
417
|
4 |
|
protected function queueToSave($key) |
418
|
|
|
{ |
419
|
4 |
|
$this->new_texts[$key] = $key; |
420
|
4 |
|
} |
421
|
|
|
|
422
|
|
|
/** |
423
|
|
|
* Get language prefixed url |
424
|
|
|
* |
425
|
|
|
* @param $path |
426
|
|
|
* @return string |
427
|
|
|
*/ |
428
|
2 |
|
public function getUrl($path) |
429
|
|
|
{ |
430
|
2 |
|
$locale = $this->getLocale(); |
431
|
2 |
|
if ($locale) { |
432
|
2 |
|
$path = $locale . '/' . $path; |
433
|
|
|
} |
434
|
2 |
|
return $path; |
435
|
|
|
} |
436
|
|
|
|
437
|
|
|
/** |
438
|
|
|
* Check if autosave allowed |
439
|
|
|
* |
440
|
|
|
* @return bool |
441
|
|
|
*/ |
442
|
4 |
|
public function autoSaveIsAllowed() |
443
|
|
|
{ |
444
|
4 |
|
if ($this->environment == 'local' && $this->config->get('db.autosave', true)) { |
445
|
1 |
|
return true; |
446
|
|
|
} |
447
|
4 |
|
return false; |
448
|
|
|
} |
449
|
|
|
|
450
|
|
|
/** |
451
|
|
|
* Get locale |
452
|
|
|
* |
453
|
|
|
* @return string |
454
|
|
|
*/ |
455
|
19 |
|
public function getLocale() |
456
|
|
|
{ |
457
|
19 |
|
return $this->lang; |
458
|
|
|
} |
459
|
|
|
|
460
|
|
|
/** |
461
|
|
|
* Get available locales |
462
|
|
|
* |
463
|
|
|
* @return array |
464
|
|
|
*/ |
465
|
1 |
|
public function getLocales() |
466
|
|
|
{ |
467
|
1 |
|
return $this->config->get('locales'); |
468
|
|
|
} |
469
|
|
|
|
470
|
|
|
/** |
471
|
|
|
* Save missing texts |
472
|
|
|
* |
473
|
|
|
* @return bool |
474
|
|
|
*/ |
475
|
3 |
|
public function saveTexts() |
476
|
|
|
{ |
477
|
3 |
|
if (empty($this->new_texts)) { |
478
|
3 |
|
return false; |
479
|
|
|
} |
480
|
|
|
|
481
|
3 |
|
$this->repository->save($this->new_texts, $this->scope); |
482
|
3 |
|
return true; |
483
|
|
|
} |
484
|
|
|
} |
485
|
|
|
|
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: