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<?php |
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namespace Thinktomorrow\Locale; |
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use Thinktomorrow\Locale\Exceptions\InvalidScope; |
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use Thinktomorrow\Locale\Values\Config; |
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use Thinktomorrow\Locale\Values\Root; |
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final class ScopeCollection |
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{ |
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/** |
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* @var Config |
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*/ |
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private $config; |
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private function __construct(Config $config) |
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{ |
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$this->config = $config; |
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} |
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public static function fromArray(array $config) |
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{ |
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return new static(Config::from($config)); |
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} |
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public static function fromConfig(Config $config) |
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{ |
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return new static($config); |
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} |
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public function findByRoot(string $root): Scope |
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{ |
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return $this->findByKey( $this->guessKeyFromRoot($root) ); |
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} |
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/** |
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* @param string $locale |
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* @return null|Scope |
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*/ |
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public function findCanonical(string $locale): ?Scope |
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{ |
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$canonicals = $this->config->get('canonicals'); |
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if(!isset($canonicals[$locale])) return null; |
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$scope = $this->findByRoot($canonicals[$locale]); |
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return $scope->setCustomRoot(Root::fromString($canonicals[$locale])); |
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} |
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private function guessKeyFromRoot(string $value): string |
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{ |
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foreach($this->config->get('locales') as $scopeKey => $locales) |
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{ |
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$pattern = preg_quote($scopeKey,'#'); |
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/** |
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* The host pattern allows for an asterix which stands for a |
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* wildcard of characters when matching the scope keys. |
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* The default '*' scope will match anything |
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*/ |
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if(false !== strpos($pattern, '*')) |
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{ |
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$pattern = str_replace('\*','(.+)',$pattern); |
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} |
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if( preg_match("#^(https?://)?(www\.)?$pattern/?$#", $value) ) |
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{ |
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return $scopeKey; |
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} |
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} |
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// In case value remains empty, we return the default routing. |
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return '*'; |
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} |
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// We limit the available locales to the current domain space, including the default ones |
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private function findByKey(string $scopeKey): Scope |
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{ |
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if(!$scopeKey || !isset($this->config['locales'][$scopeKey])) |
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{ |
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throw new InvalidScope('Scope key [' . $scopeKey . '] does not exist.'); |
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} |
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$locales = $this->config->get('locales'); |
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$locales = array_merge($locales['*'], $locales[$scopeKey]); |
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// We flip our values so in case of duplicate locales, the default one |
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// is omitted and the one from the specific scope is preserved. |
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return new Scope(array_flip(array_flip($locales))); |
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} |
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} |
thinktomorrow /
locale
