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<?php |
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namespace CultuurNet\UDB3\ReadModel; |
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use CultuurNet\UDB3\Language; |
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class ConfigurableJsonDocumentLanguageAnalyzer implements JsonDocumentLanguageAnalyzerInterface |
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{ |
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/** |
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* @var string[] |
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*/ |
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private $translatableProperties; |
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/** |
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* @param string[] $translatableProperties |
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* List of translatable properties (on top level). |
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*/ |
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public function __construct( |
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array $translatableProperties |
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) { |
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$this->translatableProperties = $translatableProperties; |
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} |
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/** |
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* @param JsonDocument $jsonDocument |
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* @return Language[] |
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*/ |
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public function determineAvailableLanguages(JsonDocument $jsonDocument) |
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{ |
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$json = $jsonDocument->getBody(); |
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$languageStrings = []; |
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foreach ($this->translatableProperties as $translatableProperty) { |
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$languageStringsOnProperty = $this->getLanguageStrings($json, $translatableProperty); |
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$languageStrings = array_merge( |
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$languageStrings, |
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$languageStringsOnProperty |
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); |
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} |
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$languageStrings = array_values(array_unique($languageStrings)); |
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return $this->getLanguageStringsAsValueObjects($languageStrings); |
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} |
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/** |
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* @param JsonDocument $jsonDocument |
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* @return Language[] |
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*/ |
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public function determineCompletedLanguages(JsonDocument $jsonDocument) |
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{ |
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$json = $jsonDocument->getBody(); |
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$languageStrings = []; |
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foreach ($this->translatableProperties as $translatableProperty) { |
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$languageStringsOnProperty = $this->getLanguageStrings($json, $translatableProperty); |
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if (empty($languageStringsOnProperty)) { |
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// Property was not found, which means it's not set for the |
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// original language either. Skip it, as it can't be translated |
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// without an original value. |
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continue; |
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} |
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if ($translatableProperty == $this->translatableProperties[0]) { |
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$languageStrings = $languageStringsOnProperty; |
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} else { |
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$languageStrings = array_intersect($languageStrings, $languageStringsOnProperty); |
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} |
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} |
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$languageStrings = array_values(array_unique($languageStrings)); |
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return $this->getLanguageStringsAsValueObjects($languageStrings); |
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} |
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/** |
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* @param \stdClass $json |
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* @param string $propertyName |
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* @return string[] |
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*/ |
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private function getLanguageStrings(\stdClass $json, $propertyName) |
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{ |
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if (strpos($propertyName, '.') === false) { |
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return $this->getLanguageStringsFromProperty($json, $propertyName); |
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} else { |
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return $this->getLanguageStringsFromNestedProperty($json, $propertyName); |
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} |
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} |
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/** |
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* @param \stdClass $json |
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* @param string $propertyName |
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* @return string[] |
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*/ |
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private function getLanguageStringsFromProperty(\stdClass $json, $propertyName) |
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{ |
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if (!isset($json->{$propertyName})) { |
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return []; |
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} |
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return array_keys( |
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get_object_vars($json->{$propertyName}) |
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); |
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} |
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/** |
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* @param \stdClass $json |
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* @param string $propertyName |
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* @return string[] |
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*/ |
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private function getLanguageStringsFromNestedProperty(\stdClass $json, $propertyName) |
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{ |
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$nestedProperties = explode('.', $propertyName); |
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$traversedProperties = []; |
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$propertyReference = $json; |
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$languages = []; |
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while ($nestedPropertyName = array_shift($nestedProperties)) { |
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if ($nestedPropertyName === '[]') { |
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foreach ($propertyReference as $key => $arrayItem) { |
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$remainingPath = implode('.', $nestedProperties); |
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$recursiveLanguages = $this->getLanguageStringsFromNestedProperty( |
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$propertyReference[$key], |
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$remainingPath |
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); |
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$languages = array_merge($languages, $recursiveLanguages); |
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} |
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return $languages; |
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} |
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if (!isset($propertyReference->{$nestedPropertyName})) { |
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// Is either optional or should be handled by a different rule. |
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return []; |
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} |
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$propertyReference = $propertyReference->{$nestedPropertyName}; |
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$traversedProperties[] = $nestedPropertyName; |
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} |
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if (is_object($propertyReference) && $propertyReference) { |
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return array_keys(get_object_vars($propertyReference)); |
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} else { |
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return []; |
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} |
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} |
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/** |
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* @param string[] $languageStrings |
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* @return Language[] |
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*/ |
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private function getLanguageStringsAsValueObjects(array $languageStrings) |
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{ |
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return array_map( |
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function ($languageString) { |
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return new Language($languageString); |
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}, |
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$languageStrings |
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); |
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} |
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} |
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cultuurnet /
udb3-php
