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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\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 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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* 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. |
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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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* 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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} |
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public function setConfig(array $config) |
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{ |
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$this->config = $config; |
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return $this; |
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} |
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public function getConfig($key = null, $default = null) |
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{ |
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$array = $this->config; |
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if ($key === null) { |
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return $array; |
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} |
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if (array_key_exists($key, $array)) { |
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return $array[$key]; |
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} |
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foreach (explode('.', $key) as $segment) { |
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if (is_array($array) && array_key_exists($segment, $array)) { |
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$array = $array[$segment]; |
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} else { |
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return $default; |
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} |
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} |
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return $array; |
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} |
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/** |
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* Get a cache driver instance. |
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* |
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* @return \Illuminate\Contracts\Cache\Repository |
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*/ |
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public function getCache() |
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{ |
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if ($this->getConfig('cache.enabled', true) === false) { |
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return null; |
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} |
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$store = $this->getConfig('cache.store', 'default'); |
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if ($store == 'default') { |
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return $this->cache->store(); |
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} |
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return $this->cache->store($store); |
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} |
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/** |
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* Get a database connection instance. |
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* |
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* @return \Illuminate\Database\Connection |
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*/ |
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public function getDb() |
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{ |
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$connection = $this->getConfig('db.connection'); |
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if ($connection == 'default') { |
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return $this->db->connection(); |
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} |
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return $this->db->connection($connection); |
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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 = $lang; |
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$this->setCacheName($lang); |
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if (!is_array($texts)) { |
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$texts = $this->loadTexts($this->getLocale()); |
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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 $lang |
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* @return array |
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*/ |
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public function loadTexts($lang = null) |
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{ |
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if ($this->getCache() === 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 $key |
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* @return string |
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*/ |
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public function get($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 $key; |
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} |
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if (!isset($this->texts[$key])) { |
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$this->queueToSave($key); |
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return $key; |
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} |
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$text = $this->texts[$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 = $this->getConfig('default_locale'); |
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if (strlen($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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public function detectLocale(Request $request) |
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{ |
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$locale = $request->segment(1); |
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$locales = $this->getConfig('locales'); |
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if (isset($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->getConfig('default_locale', 'en'); |
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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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* 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 = $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 $this->getCache()->has($this->getCacheName()); |
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} |
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protected function storeTextsInCache(array $texts) |
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{ |
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$this->getCache()->put($this->getCacheName(), $texts, $this->getConfig('cache.lifetime', 1440)); |
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return $this; |
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} |
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public function loadTextsFromDatabase($lang) |
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{ |
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$texts = $lang ? $this->getDb()->table($this->getTableName()) |
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->where('lang', $lang) |
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->get(['key', 'value', 'lang', 'scope']) : $this->getDb()->table($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 = $this->getCache()->get($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('db.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('db.autosave', true) && $this->getDb() !== 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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public function getLocale() |
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{ |
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return $this->lang; |
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} |
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public function saveTexts() |
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{ |
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if (empty($this->new_texts)) { |
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return false; |
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} |
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$table = $this->getTableName(); |
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$locales = $this->getConfig('locales'); |
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foreach ($this->new_texts as $k => $v) { |
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foreach ($locales as $lang => $locale_data) { |
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$exists = $this->getDb()->table($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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|
401
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$this->getDb()->table($table)->insert([ |
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'key' => $k, |
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'lang' => $lang, |
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'value' => $v, |
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]); |
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} |
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} |
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return true; |
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} |
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protected function getTableName() |
412
|
|
|
{ |
413
|
|
|
$table = $this->getConfig('db.texts_table', 'texts'); |
414
|
|
|
return $table; |
415
|
|
|
} |
416
|
|
|
} |
417
|
|
|
|