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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 Illuminate\Contracts\Cache\Factory as CacheContract; |
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use Illuminate\Database\DatabaseManager as DatabaseContract; |
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use Illuminate\Support\Collection; |
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use Illuminate\Http\Request; |
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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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* Default Language/Locale. |
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* |
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* @var string |
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*/ |
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protected $default_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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* The instance of the cache. |
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* |
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* @var \Illuminate\Cache\CacheManager |
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*/ |
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protected $cache; |
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/** |
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* Config. |
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* |
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* @var array |
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*/ |
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protected $config; |
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/** |
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* The instance of the database. |
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* |
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* @var \Illuminate\Database\DatabaseManager |
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*/ |
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protected $db; |
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/** |
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* Name of the cache. |
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* |
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* @var string |
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*/ |
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protected $cache_name; |
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/** |
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* Texts collection. |
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* |
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* @var \Illuminate\Support\Collection |
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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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* 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 $db |
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* @return void |
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*/ |
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public function __construct($environment, array $config, CacheContract $cache, DatabaseContract $db) |
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{ |
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$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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} |
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public function setConfig(array $config) |
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{ |
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$this->config = $this->getDefaultConfig(); |
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foreach ($config as $k => $v) { |
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$this->config[$k] = $v; |
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} |
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} |
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public function getDefaultConfig() |
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{ |
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$config = [ |
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'enabled' => true, |
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'locales' => [ |
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'en' => [ |
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'name' => 'English', |
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'native_name' => 'English', |
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'default' => true, |
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], |
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], |
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'autosave' => true, |
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'cache' => true, |
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'cache_lifetime' => 1440, |
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'texts_table' => 'texts', |
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]; |
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return $config; |
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} |
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public function getConfig($key = null) |
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{ |
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if ($key === null) { |
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return $this->config; |
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} |
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return isset($this->config[$key]) ? $this->config[$key] : null; |
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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 string $default_lang |
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* @param array $text |
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* @return void |
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*/ |
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public function setLocale($lang, $default_lang = null, $texts = null) |
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{ |
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if (!$lang) { |
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throw new InvalidArgumentException('Locale is empty'); |
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} |
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$this->lang = $lang; |
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if ($default_lang === null) { |
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$default_lang = $lang; |
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} |
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$this->default_lang = $default_lang; |
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$this->setCacheName($lang); |
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if (is_array($texts)) { |
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$texts = new Collection($texts); |
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} |
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if ($texts === null) { |
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$texts = $this->loadTexts($this->getLocale()); |
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} |
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$this->texts = new Collection($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 $lang |
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* @return array |
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*/ |
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public function loadTexts($lang = null) |
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{ |
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$cache = $this->getConfig('cache'); |
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if (!$cache || $this->cache === null || $this->environment != 'production') { |
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$texts = $this->loadTextsFromDatabase($lang); |
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return $texts; |
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} |
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if ($this->mustLoadFromCache()) { |
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$texts = $this->loadTextsFromCache(); |
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} else { |
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$texts = $this->loadTextsFromDatabase($lang); |
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$this->storeTextsInCache($texts); |
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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 string $default |
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* @return string |
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*/ |
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public function get($key) |
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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 $key; |
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} |
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if (!$this->texts->has($key)) { |
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$this->queueToSave($key); |
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return $key; |
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} |
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$text = $this->texts->get($key); |
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return $text; |
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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 getRedirectUrl(Request $request) |
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{ |
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$locale = $request->segment(1); |
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$fallback_locale = $this->default_lang; |
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if (strlen($locale) == 2) { |
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$locales = $this->getConfig('locales'); |
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if (!isset($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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* 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->toArray(); |
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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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public function setTexts(array $texts_array) |
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{ |
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$texts = []; |
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foreach ($texts_array as $key => $value) { |
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$texts[$key] = $value; |
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} |
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$this->texts = new Collection($texts); |
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return $this; |
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} |
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/** |
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* Queue missing texts |
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* |
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* @param string $key |
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* @return void |
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*/ |
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protected function queueToSave($key) |
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{ |
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$this->new_texts[$key] = $key; |
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} |
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/** |
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* Check if we must load texts from cache |
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* |
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* @return bool |
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*/ |
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public function mustLoadFromCache() |
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{ |
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return $this->cache->has($this->getCacheName()); |
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} |
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protected function storeTextsInCache(array $texts) |
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{ |
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$cache_lifetime = $this->getConfig('cache_lifetime', 1440); |
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$status = $this->cache->put($this->getCacheName(), $texts, $cache_lifetime); |
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return $status; |
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} |
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public function loadTextsFromDatabase($lang) |
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{ |
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$texts = $lang ? $this->db->table($this->getTableName()) |
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->where('lang', $lang) |
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->get(['key', 'value', 'lang', 'scope']) : $this->db->table($this->getTableName())->get(['key', 'value', 'lang', 'scope']); |
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$array = []; |
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foreach ($texts as $row) { |
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$array[$row->key] = $row->value; |
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} |
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return $array; |
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} |
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public function loadTextsFromCache() |
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{ |
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$texts = $this->cache->get($this->getCacheName()); |
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return $texts; |
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} |
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public function setCacheName($lang) |
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{ |
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$this->cache_name = $this->getConfig('texts_table') . '_' . $lang; |
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} |
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public function getCacheName() |
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{ |
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return $this->cache_name; |
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} |
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public function getUrl($path) |
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{ |
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$locale = $this->getLocale(); |
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if ($locale) { |
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$path = $locale . '/' . $path; |
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} |
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return $path; |
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} |
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public function autoSaveIsAllowed() |
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{ |
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if ($this->environment == 'local' && $this->getConfig('autosave') && $this->db !== null) { |
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return true; |
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} |
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return false; |
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} |
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367
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20 |
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public function getLocale() |
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{ |
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return $this->lang; |
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} |
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3 |
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public function saveTexts() |
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{ |
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if (empty($this->new_texts)) { |
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return false; |
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} |
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3 |
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$table = $this->getTableName(); |
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$locales = $this->getConfig('locales'); |
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3 |
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foreach ($this->new_texts as $k => $v) { |
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foreach($locales as $lang => $locale_data) { |
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$exists = $this->db->table($table)->where([ |
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'key' => $k, |
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'lang' => $lang, |
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])->first(); |
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if ($exists) { |
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continue; |
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} |
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391
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3 |
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$this->db->table($table)->insert([ |
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3 |
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'key' => $k, |
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3 |
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'lang' => $lang, |
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3 |
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'value' => $v, |
395
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3 |
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]); |
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397
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3 |
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} |
398
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|
399
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3 |
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} |
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3 |
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return true; |
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|
|
|
} |
402
|
|
|
|
403
|
20 |
|
protected function getTableName() |
404
|
|
|
{ |
405
|
20 |
|
$table = $this->getConfig('texts_table'); |
406
|
20 |
|
return $table; |
407
|
|
|
} |
408
|
|
|
} |
409
|
|
|
|
Adding a
@return
annotation to a constructor is not recommended, since a constructor does not have a meaningful return value.Please refer to the PHP core documentation on constructors.