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<?php |
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declare(strict_types=1); |
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namespace Paysera\Component\Normalization; |
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class NormalizationContext |
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{ |
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private $coreNormalizer; |
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private $defaultFieldsIncluded; |
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private $includedFields; |
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private $path; |
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private $normalizationGroup; |
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private $nullValuesRemoved; |
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public function __construct( |
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CoreNormalizer $coreNormalizer, |
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array $includedFields = [], |
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string $normalizationGroup = null |
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) { |
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$this->coreNormalizer = $coreNormalizer; |
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$this->setIncludedFields($includedFields); |
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$this->normalizationGroup = $normalizationGroup; |
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$this->path = []; |
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$this->nullValuesRemoved = false; |
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} |
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private function setIncludedFields(array $includedFields, bool $defaultFieldsIncluded = false) |
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{ |
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$this->defaultFieldsIncluded = ( |
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$defaultFieldsIncluded |
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|| count($includedFields) === 0 |
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|| in_array('*', $includedFields, true) |
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); |
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$this->includedFields = $includedFields; |
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} |
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public function getPath(): array |
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{ |
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return $this->path; |
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} |
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/** |
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* @return string|null |
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*/ |
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public function getNormalizationGroup() |
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{ |
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return $this->normalizationGroup; |
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} |
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public function normalize($data, string $fieldName, string $type = null) |
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{ |
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if (!$this->isFieldIncluded($fieldName) && !$this->isArrayItem($fieldName)) { |
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return null; |
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} |
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return $this->coreNormalizer->normalize($data, $type, $this->createScopedContext($fieldName)); |
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} |
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public function createScopedContext(string $fieldName): self |
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{ |
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$context = clone $this; |
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$context->nullValuesRemoved = false; |
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if ($this->isArrayItem($fieldName)) { |
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return $context; |
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} |
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$includedFields = []; |
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$keyPrefix = $fieldName . '.'; |
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$keyLength = strlen($keyPrefix); |
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foreach ($this->includedFields as $fieldPattern) { |
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if (substr($fieldPattern, 0, $keyLength) === $keyPrefix) { |
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$includedFields[] = substr($fieldPattern, $keyLength); |
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} |
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} |
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$context->setIncludedFields($includedFields, $this->defaultFieldsIncluded); |
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$context->path[] = $fieldName; |
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return $context; |
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} |
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public function isFieldExplicitlyIncluded(string $fieldName): bool |
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{ |
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return in_array($fieldName, $this->includedFields, true); |
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} |
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public function isFieldIncluded(string $fieldName): bool |
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{ |
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return $this->defaultFieldsIncluded || in_array($fieldName, $this->includedFields, true); |
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} |
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private function isArrayItem(string $fieldName) |
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{ |
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return $fieldName === ''; |
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} |
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public function markNullValuesForRemoval() |
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{ |
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$this->nullValuesRemoved = true; |
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} |
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public function areNullValuesRemoved(): bool |
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{ |
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return $this->nullValuesRemoved; |
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} |
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} |
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paysera /
lib-normalization
