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<?php |
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namespace App\Translation; |
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use Doctrine\Common\Collections\ArrayCollection; |
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/** |
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* Trait TranslatableTrait |
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* @package App\Translation |
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* @property ArrayCollection $translations |
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*/ |
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trait TranslatableTrait |
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{ |
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private $isTranslationsMappedByLocale = false; |
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public function updateTranslations(array $translations, callable $add, callable $update = null) |
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{ |
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foreach ($translations as $translation) { |
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$locale = is_object($translation) ? $translation->getLocale() : $translation['locale']; |
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if (null === $oldTranslation = $this->getTranslation($locale, false)) { |
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$add($translation); |
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continue; |
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} |
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if ($update === null) { |
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// This will called only when there's update action and $update function not defined |
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// But you still can keep it as null if you creating entity |
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throw new \InvalidArgumentException('Unexpected behavior: founded old translation but $update function not defined'); |
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} |
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$update($translation, $oldTranslation); |
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} |
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} |
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public function addTranslation(EntityTranslationInterface $translation): self |
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{ |
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$this->translations->set($translation->getLocale(), $translation); |
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return $this; |
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} |
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/** |
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* @return array |
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*/ |
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public function getTranslations(): array |
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{ |
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if ($this->isTranslationsMappedByLocale === true) { |
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return $this->translations->toArray(); |
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} |
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$this->mapTranslationsByLocale(); |
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return $this->translations->toArray(); |
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} |
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public function getTranslation(string $locale, bool $useFallbackLocale = true): ?EntityTranslationInterface |
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{ |
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if ($this->isTranslationsMappedByLocale === false) { |
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$this->mapTranslationsByLocale(); |
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} |
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$translation = $this->translations->get($locale); |
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if ($translation === null && $useFallbackLocale === true) { |
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return $this->getFallbackTranslation(); |
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} |
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return $translation; |
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} |
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private function getFallbackTranslation() |
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{ |
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if (null === $translation = $this->translations->first()) { |
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throw new \ErrorException(sprintf('You are trying to get translation for %s with ID %s but there\'s no translations found.', self::class, $this->id)); |
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} |
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return $translation; |
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} |
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private function mapTranslationsByLocale(): void |
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{ |
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$mappedTranslations = new ArrayCollection(); |
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foreach ($this->translations as $translation) { |
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$mappedTranslations->set($translation->getLocale(), $translation); |
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} |
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$this->isTranslationsMappedByLocale = true; |
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$this->translations = $mappedTranslations; |
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} |
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} |
svbackend /
my-art-lib
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: