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<?php |
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namespace Jabe\Engine\Impl\Json; |
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use Jabe\Engine\Impl\{ |
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QueryEntityRelationCondition, |
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QueryPropertyImpl |
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}; |
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use Jabe\Engine\Impl\Util\JsonUtil; |
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class JsonQueryFilteringPropertyConverter extends JsonObjectConverter |
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{ |
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protected static $INSTANCE;// = new JsonQueryFilteringPropertyConverter(); |
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protected static $ARRAY_CONVERTER;// = new JsonArrayOfObjectsConverter<>(INSTANCE); |
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public const BASE_PROPERTY = "baseField"; |
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public const COMPARISON_PROPERTY = "comparisonField"; |
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public const SCALAR_VALUE = "value"; |
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public static function instance(): JsonQueryFilteringPropertyConverter |
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{ |
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if (self::$INSTANCE === null) { |
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self::$INSTANCE = new JsonQueryFilteringPropertyConverter(); |
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} |
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return self::$INSTANCE; |
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} |
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public static function arrayConverter(): JsonArrayOfObjectsConverter |
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{ |
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if (self::$ARRAY_CONVERTER === null) { |
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self::$ARRAY_CONVERTER = new JsonArrayOfObjectsConverter(self::instance()); |
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} |
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return self::$ARRAY_CONVERTER; |
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} |
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public function toJsonObject(/*QueryEntityRelationCondition*/$filteringProperty, bool $isOrQueryActive = false): ?\stdClass |
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{ |
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$jsonObject = JsonUtil::createObject(); |
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JsonUtil::addField($jsonObject, self::BASE_PROPERTY, $filteringProperty->getProperty()->getName()); |
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$comparisonProperty = $filteringProperty->getComparisonProperty(); |
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if ($comparisonProperty !== null) { |
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JsonUtil::addField($jsonObject, self::COMPARISON_PROPERTY, $comparisonProperty->getName()); |
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} |
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$scalarValue = $filteringProperty->getScalarValue(); |
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if ($scalarValue !== null) { |
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JsonUtil::addFieldRawValue($jsonObject, self::SCALAR_VALUE, $scalarValue); |
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} |
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return $jsonObject; |
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} |
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public function toObject(\stdClass $jsonObject, bool $isOrQuery = false) |
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{ |
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// this is limited in that it allows only String values; |
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// that is sufficient for current use case with task filters |
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// but could be extended by a data type in the future |
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$scalarValue = null; |
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if (property_exists($jsonObject, self::SCALAR_VALUE)) { |
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$scalarValue = JsonUtil::getString($jsonObject, self::SCALAR_VALUE); |
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} |
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$baseProperty = null; |
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if (property_exists($jsonObject, self::BASE_PROPERTY)) { |
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$baseProperty = new QueryPropertyImpl(JsonUtil::getString($jsonObject, self::BASE_PROPERTY)); |
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} |
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$comparisonProperty = null; |
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if (property_exists($jsonObject, self::COMPARISON_PROPERTY)) { |
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$comparisonProperty = new QueryPropertyImpl(JsonUtil::getString($jsonObject, self::COMPARISON_PROPERTY)); |
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} |
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return new QueryEntityRelationCondition($baseProperty, $comparisonProperty, $scalarValue); |
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} |
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} |
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bingo-soft /
jabe
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