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<?php
namespace CommerceGuys\Intl\Language;
use CommerceGuys\Intl\LocaleResolverTrait;
use CommerceGuys\Intl\Exception\UnknownLanguageException;
/**
* Manages languages based on JSON definitions.
*/
class LanguageRepository implements LanguageRepositoryInterface
{
use LocaleResolverTrait;
/**
* Per-locale language definitions.
*
* @var array
*/
protected $definitions = [];
/**
* Creates a LanguageRepository instance.
*
* @param string $definitionPath The path to the currency definitions.
* Defaults to 'resources/language'.
*/
public function __construct($definitionPath = null)
{
$this->definitionPath = $definitionPath ? $definitionPath : __DIR__ . '/../../resources/language/';
}
/**
* {@inheritdoc}
*/
public function get($languageCode, $locale = null, $fallbackLocale = null)
{
$locale = $this->resolveLocale($locale, $fallbackLocale);
$definitions = $this->loadDefinitions($locale);
if (!isset($definitions[$languageCode])) {
throw new UnknownLanguageException($languageCode);
}
return $this->createLanguageFromDefinition($languageCode, $definitions[$languageCode], $locale);
}
/**
* {@inheritdoc}
*/
public function getAll($locale = null, $fallbackLocale = null)
{
$locale = $this->resolveLocale($locale, $fallbackLocale);
$definitions = $this->loadDefinitions($locale);
$languages = [];
foreach ($definitions as $languageCode => $definition) {
$languages[$languageCode] = $this->createLanguageFromDefinition($languageCode, $definition, $locale);
}
return $languages;
}
/**
* {@inheritdoc}
*/
public function getList($locale = null, $fallbackLocale = null)
{
$locale = $this->resolveLocale($locale, $fallbackLocale);
$definitions = $this->loadDefinitions($locale);
$list = [];
foreach ($definitions as $languageCode => $definition) {
$list[$languageCode] = $definition['name'];
}
return $list;
}
/**
* Loads the language definitions for the provided locale.
*
* @param string $locale The desired locale.
*
* @return array
*/
protected function loadDefinitions($locale)
{
if (!isset($this->definitions[$locale])) {
$filename = $this->definitionPath . $locale . '.json';
$this->definitions[$locale] = json_decode(file_get_contents($filename), true);
}
return $this->definitions[$locale];
}
/**
* Creates a language object from the provided definition.
*
* @param string $languageCode The language code.
* @param array $definition The language definition.
* @param string $locale The locale of the language definition.
*
* @return Language
*/
protected function createLanguageFromDefinition($languageCode, array $definition, $locale)
{
$language = new Language();
$setValues = \Closure::bind(function ($languageCode, $definition, $locale) {
$this->languageCode = $languageCode;
$this->name = $definition['name'];
$this->locale = $locale;
}, $language, '\CommerceGuys\Intl\Language\Language');
$setValues($languageCode, $definition, $locale);
return $language;
}
}
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