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<?php |
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/** |
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* This file is part of the eZ Publish Kernel package. |
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* |
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* @copyright Copyright (C) eZ Systems AS. All rights reserved. |
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* @license For full copyright and license information view LICENSE file distributed with this source code. |
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* |
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* @version //autogentag// |
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*/ |
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namespace eZ\Publish\Core\Search\Common; |
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use eZ\Publish\SPI\Persistence\Content\Type\Handler as ContentTypeHandler; |
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use eZ\Publish\API\Repository\Values\Content\Query\CustomFieldInterface; |
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use eZ\Publish\API\Repository\Values\Content\Query\SortClause; |
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use eZ\Publish\API\Repository\Values\Content\Query\Criterion; |
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use RuntimeException; |
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/** |
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* Provides search backend field name resolving for criteria and sort clauses |
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* targeting Content fields. |
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*/ |
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class FieldNameResolver |
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{ |
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/** |
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* Field registry. |
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* |
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* @var \eZ\Publish\Core\Search\Common\FieldRegistry |
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*/ |
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protected $fieldRegistry; |
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/** |
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* Content type handler. |
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* |
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* @var \eZ\Publish\SPI\Persistence\Content\Type\Handler |
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*/ |
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protected $contentTypeHandler; |
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/** |
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* Field name generator. |
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* |
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* @var \eZ\Publish\Core\Search\Common\FieldNameGenerator |
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*/ |
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protected $nameGenerator; |
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/** |
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* Create from search field registry, content type handler and field name generator. |
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* |
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* @param \eZ\Publish\Core\Search\Common\FieldRegistry $fieldRegistry |
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* @param \eZ\Publish\SPI\Persistence\Content\Type\Handler $contentTypeHandler |
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* @param \eZ\Publish\Core\Search\Common\FieldNameGenerator $nameGenerator |
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*/ |
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public function __construct( |
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FieldRegistry $fieldRegistry, |
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ContentTypeHandler $contentTypeHandler, |
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FieldNameGenerator $nameGenerator |
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) { |
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$this->fieldRegistry = $fieldRegistry; |
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$this->contentTypeHandler = $contentTypeHandler; |
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$this->nameGenerator = $nameGenerator; |
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} |
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/** |
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* Get content type, field definition and field type mapping information. |
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* |
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* Returns an array in the form: |
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* |
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* <code> |
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* array( |
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* "<ContentType identifier>" => array( |
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* "<FieldDefinition identifier>" => array( |
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* "field_definition_id" => "<FieldDefinition id>", |
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* "field_type_identifier" => "<FieldType identifier>", |
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* ), |
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* ... |
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* ), |
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* ... |
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* ) |
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* </code> |
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* |
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* @return array[] |
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*/ |
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protected function getSearchableFieldMap() |
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{ |
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return $this->contentTypeHandler->getSearchableFieldMap(); |
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} |
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/** |
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* For the given parameters returns a set of search backend field names to search on. |
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* |
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* The method will check for custom fields if given $criterion implements |
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* CustomFieldInterface. With optional parameters $fieldTypeIdentifier and |
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* $name specific field type and field from its Indexable implementation |
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* can be targeted. |
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* |
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* @deprecated since 6.2, use getFieldTypes instead |
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* |
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* @see \eZ\Publish\API\Repository\Values\Content\Query\CustomFieldInterface |
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* @see \eZ\Publish\SPI\FieldType\Indexable |
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* |
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* @param \eZ\Publish\API\Repository\Values\Content\Query\Criterion $criterion |
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* @param string $fieldDefinitionIdentifier |
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* @param null|string $fieldTypeIdentifier |
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* @param null|string $name |
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* |
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* @return string[] |
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*/ |
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public function getFieldNames( |
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Criterion $criterion, |
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$fieldDefinitionIdentifier, |
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$fieldTypeIdentifier = null, |
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$name = null |
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) { |
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$fieldTypeNameMap = $this->getFieldTypes($criterion, $fieldDefinitionIdentifier, $fieldTypeIdentifier, $name); |
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return array_keys($fieldTypeNameMap); |
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} |
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/** |
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* For the given parameters returns a set of search backend field names/types to search on. |
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* |
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* The method will check for custom fields if given $criterion implements |
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* CustomFieldInterface. With optional parameters $fieldTypeIdentifier and |
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* $name specific field type and field from its Indexable implementation |
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* can be targeted. |
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* |
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* @see \eZ\Publish\API\Repository\Values\Content\Query\CustomFieldInterface |
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* @see \eZ\Publish\SPI\FieldType\Indexable |
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* |
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* @param \eZ\Publish\API\Repository\Values\Content\Query\Criterion $criterion |
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* @param string $fieldDefinitionIdentifier |
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* @param null|string $fieldTypeIdentifier |
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* @param null|string $name |
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* |
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* @return array<string, \eZ\Publish\SPI\Search\FieldType> |
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*/ |
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public function getFieldTypes( |
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Criterion $criterion, |
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$fieldDefinitionIdentifier, |
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$fieldTypeIdentifier = null, |
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$name = null |
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) { |
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$fieldMap = $this->getSearchableFieldMap(); |
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$fieldTypeNameMap = []; |
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foreach ($fieldMap as $contentTypeIdentifier => $fieldIdentifierMap) { |
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// First check if field exists in the current ContentType, there is nothing to do if it doesn't |
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if (!isset($fieldIdentifierMap[$fieldDefinitionIdentifier])) { |
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continue; |
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} |
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// If $fieldTypeIdentifier is given it must match current field definition |
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if ( |
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$fieldTypeIdentifier !== null && |
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$fieldTypeIdentifier !== $fieldIdentifierMap[$fieldDefinitionIdentifier]['field_type_identifier'] |
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) { |
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continue; |
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} |
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$fieldNameWithSearchType = $this->getIndexFieldName( |
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$criterion, |
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$contentTypeIdentifier, |
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$fieldDefinitionIdentifier, |
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$fieldIdentifierMap[$fieldDefinitionIdentifier]['field_type_identifier'], |
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$name, |
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false |
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); |
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$fieldNames = array_keys($fieldNameWithSearchType); |
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$fieldName = reset($fieldNames); |
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$fieldTypeNameMap[$fieldName] = $fieldNameWithSearchType[$fieldName]; |
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} |
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return $fieldTypeNameMap; |
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} |
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/** |
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* For the given parameters returns search backend field name to sort on or |
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* null if the field could not be found. |
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* |
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* The method will check for custom fields if given $sortClause implements |
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* CustomFieldInterface. With optional parameter $name specific field from |
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* field type's Indexable implementation can be targeted. |
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* |
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* Will return null if no sortable field is found. |
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* |
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* @see \eZ\Publish\API\Repository\Values\Content\Query\CustomFieldInterface |
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* @see \eZ\Publish\SPI\FieldType\Indexable |
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* |
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* @param \eZ\Publish\API\Repository\Values\Content\Query\SortClause $sortClause |
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* @param string $contentTypeIdentifier |
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* @param string $fieldDefinitionIdentifier |
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* @param null|string $name |
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* |
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* @return null|string |
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*/ |
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public function getSortFieldName( |
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SortClause $sortClause, |
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$contentTypeIdentifier, |
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$fieldDefinitionIdentifier, |
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$name = null |
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) { |
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$fieldMap = $this->getSearchableFieldMap(); |
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// First check if field exists in type, there is nothing to do if it doesn't |
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if (!isset($fieldMap[$contentTypeIdentifier][$fieldDefinitionIdentifier])) { |
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return null; |
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} |
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$fieldName = array_keys($this->getIndexFieldName( |
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$sortClause, |
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$contentTypeIdentifier, |
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$fieldDefinitionIdentifier, |
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$fieldMap[$contentTypeIdentifier][$fieldDefinitionIdentifier]['field_type_identifier'], |
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$name, |
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true |
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)); |
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return reset($fieldName); |
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} |
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/** |
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* Returns index field name for the given parameters. |
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* |
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* @param object $criterionOrSortClause |
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* @param string $contentTypeIdentifier |
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* @param string $fieldDefinitionIdentifier |
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* @param string $fieldTypeIdentifier |
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* @param string $name |
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* @param bool $isSortField |
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* |
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* @return string |
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*/ |
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public function getIndexFieldName( |
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$criterionOrSortClause, |
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$contentTypeIdentifier, |
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$fieldDefinitionIdentifier, |
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$fieldTypeIdentifier, |
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$name, |
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$isSortField |
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) { |
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// If criterion or sort clause implements CustomFieldInterface and custom field is set for |
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// ContentType/FieldDefinition, return it |
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if ( |
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$criterionOrSortClause instanceof CustomFieldInterface && |
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$customFieldName = $criterionOrSortClause->getCustomField( |
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$contentTypeIdentifier, |
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$fieldDefinitionIdentifier |
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) |
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) { |
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return [$customFieldName => null]; |
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} |
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// Else, generate field name from field type's index definition |
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$indexFieldType = $this->fieldRegistry->getType($fieldTypeIdentifier); |
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// If $name is not given use default field name |
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if ($name === null) { |
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if ($isSortField) { |
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$name = $indexFieldType->getDefaultSortField(); |
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} else { |
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$name = $indexFieldType->getDefaultMatchField(); |
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} |
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} |
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$indexDefinition = $indexFieldType->getIndexDefinition(); |
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// Should only happen by mistake, so let's throw if it does |
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if (!isset($indexDefinition[$name])) { |
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throw new RuntimeException( |
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"Could not find '{$name}' field in '{$fieldTypeIdentifier}' field type's index definition" |
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); |
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} |
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$field = $this->nameGenerator->getTypedName( |
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$this->nameGenerator->getName( |
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$name, |
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$fieldDefinitionIdentifier, |
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$contentTypeIdentifier |
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), |
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$indexDefinition[$name] |
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); |
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return [$field => $indexDefinition[$name]]; |
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} |
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} |
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