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<?php |
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namespace Alchemy\Phraseanet\Query; |
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use Alchemy\Phraseanet\Predicate\PredicateBuilder; |
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use PhraseanetSDK\Entity\DataboxCollection; |
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class RecordQueryBuilder |
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{ |
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const RECORD_TYPE_AUDIO = 'audio'; |
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const RECORD_TYPE_VIDEO = 'video'; |
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const RECORD_TYPE_IMAGE = 'image'; |
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const RECORD_TYPE_DOCUMENT = 'document'; |
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const RECORD_TYPE_FLASH = 'flash'; |
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const SEARCH_RECORDS = 0; |
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const SEARCH_STORIES = 1; |
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const SORT_RELEVANCE = 'relevance'; |
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const SORT_CREATED_ON = 'created_on'; |
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const SORT_RANDOM = 'random'; |
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/** |
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* @var string |
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*/ |
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private $query = ''; |
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/** |
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* @var PredicateBuilder |
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*/ |
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private $conditionBuilder; |
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/** |
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* @var int[] An array of collection ID's to search |
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*/ |
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private $collections = array(); |
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/** |
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* @var int Offset of the first record to return |
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*/ |
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private $offsetStart = 0; |
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/** |
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* @var int Number of records to return |
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*/ |
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private $recordsPerPage = 10; |
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/** |
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* @var string|null One of the RECORD_TYPE_* constant values to restrict the search to a specific document type |
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*/ |
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private $recordType = null; |
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/** |
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* @var int One of the SEARCH_TYPE_* constant values to select the type of record to fetch |
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*/ |
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private $searchType = self::SEARCH_RECORDS; |
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/** |
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* @var string|null Name of a date field to use as a date criterion |
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*/ |
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private $dateCriterionField = null; |
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/** |
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* @var \DateTimeInterface|null |
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*/ |
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private $dateCriterionMin = null; |
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/** |
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* @var \DateTimeInterface|null |
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*/ |
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private $dateCriterionMax = null; |
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/** |
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* @var int[] An array of statuses to restrict the search to documents matching the given statuses |
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*/ |
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private $statuses = array(); |
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/** |
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* @var string[] An array of fields names to return in the search results |
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*/ |
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private $fields = array(); |
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/** |
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* @var bool Whether to sort in descending order |
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*/ |
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private $sortDescending = false; |
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/** |
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* @var string Type of sort to use |
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*/ |
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private $sortType = null; |
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/** |
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* Sets the record search query string. Format follows the same specification as the Phraseanet search |
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* engine. |
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* |
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* @param $query |
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* @return $this |
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*/ |
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public function setQuery($query) |
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{ |
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$this->query = $query; |
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return $this; |
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} |
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/** |
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* @return PredicateBuilder |
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*/ |
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public function getConditionBuilder() |
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{ |
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if ($this->conditionBuilder === null) { |
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$this->conditionBuilder = new PredicateBuilder(); |
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} |
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return $this->conditionBuilder; |
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} |
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/** |
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* Add a collection to the search criteria. |
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* |
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* @param DataboxCollection|int $collection A collection or collection ID. |
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* @return $this |
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*/ |
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public function addCollection($collection) |
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{ |
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if ($collection instanceof DataboxCollection) { |
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$collection = $collection->getBaseId(); |
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} |
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$this->collections[] = $collection; |
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return $this; |
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} |
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/** |
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* Adds a list of collections to the search criteria. |
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* |
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* @param array $collections An array of DataboxCollection instances or collection ID's. |
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* @return $this |
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*/ |
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public function addCollections(array $collections) |
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{ |
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foreach ($collections as $collection) { |
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$this->addCollection($collection); |
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} |
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return $this; |
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} |
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/** |
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* Sets the list of collections in which to search for records. |
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* |
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* @param array $collections An array of DataboxCollection instances or collection ID's. An empty array will clear |
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* the collection restriction. |
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* |
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* @return $this |
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*/ |
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public function setCollections(array $collections) |
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{ |
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$this->collections = array(); |
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$this->addCollections($collections); |
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return $this; |
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} |
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/** |
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* Intersects the current list of collections with the given collections. |
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* |
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* @param array $collections |
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*/ |
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public function intersectCollections(array $collections) |
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{ |
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$this->collections = array_values(array_intersect($this->collections, $collections)); |
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} |
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/** |
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* Sets the offset of the first record to return. |
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* |
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* @param int $offset Index of the first record to return. Defaults to 0 if an invalid value is provided. |
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* |
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* @return $this |
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*/ |
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public function setOffset($offset) |
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{ |
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$this->offsetStart = max(0, intval($offset)); |
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return $this; |
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} |
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/** |
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* @param int $pageIndex The 0-based page index |
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*/ |
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public function setPage($pageIndex) |
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{ |
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$this->setOffset($pageIndex * $this->recordsPerPage); |
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} |
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/** |
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* Sets the sort type for the query |
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* |
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* @param string $sort One of the SORT_* constant values. |
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* @param bool $descending True to sort in descending order, false otherwise. |
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* @return $this |
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* @throws \InvalidArgumentException when the sort type is not of the SORT_* constant values.. |
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*/ |
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public function sortBy($sort, $descending = false) |
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{ |
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$this->sortType = (string) $sort; |
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$this->sortDescending = (bool) $descending; |
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return $this; |
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} |
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/** |
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* Sets the maximum number of records to return. |
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* |
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* @param int $limit Maximum number of records to return. Defaults to 1 if an invalid value is provided. |
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* |
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* @return $this |
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*/ |
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public function setLimit($limit) |
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{ |
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$this->recordsPerPage = max(1, intval($limit)); |
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return $this; |
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} |
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/** |
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* Filters the media type of records to return. |
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* |
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* @param string $recordType One of the QueryBuilder::RECORD_TYPE_* constant values. |
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* @return $this |
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* @throws \InvalidArgumentException when the record media type is not valid. |
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*/ |
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public function setRecordType($recordType) |
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{ |
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$allowedTypes = array( |
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self::RECORD_TYPE_AUDIO, |
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self::RECORD_TYPE_DOCUMENT, |
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self::RECORD_TYPE_FLASH, |
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self::RECORD_TYPE_IMAGE, |
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self::RECORD_TYPE_VIDEO |
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); |
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if (! in_array($recordType, $allowedTypes, true)) { |
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throw new \InvalidArgumentException( |
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sprintf('Record type must be one of the RECORD_TYPE_* values, %s given.', $recordType) |
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); |
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} |
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$this->recordType = $recordType; |
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return $this; |
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} |
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/** |
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* Sets the type of record to search for. |
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* |
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* @param int $searchType One of the QueryBuilder::SEARCH_* constant values. |
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* @return $this |
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* @throws \InvalidArgumentException when the the search type if not valid. |
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*/ |
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public function setSearchType($searchType) |
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{ |
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$allowedTypes = array( |
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self::SEARCH_RECORDS, |
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self::SEARCH_STORIES |
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); |
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if (! in_array($searchType, $allowedTypes, true)) { |
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throw new \InvalidArgumentException('Search type must be one of the SEARCH_* values'); |
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} |
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$this->searchType = $searchType; |
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return $this; |
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} |
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/** |
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* Sets a date filter on the records to return. At least one of $minDate or $maxDate arguments |
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* must be specified. |
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* |
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* @param string $fieldName The name of the field on which to filter by date. |
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* @param \DateTimeInterface $minDate The lower date boundary. |
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* @param \DateTimeInterface $maxDate The upper date boundary. |
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* @return $this |
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* @throws \InvalidArgumentException when the field name is an invalid or empty string |
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* @throws \InvalidArgumentException when both min and max date values are null. |
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*/ |
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public function setDateCriterion($fieldName, \DateTimeInterface $minDate = null, \DateTimeInterface $maxDate = null) |
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{ |
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$this->validateFieldName($fieldName, 'Field name is required and must be a non-empty string.'); |
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if ($minDate == null && $maxDate == null) { |
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throw new \InvalidArgumentException('At least one of min or max date must be provided'); |
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} |
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$this->dateCriterionField = $fieldName; |
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$this->dateCriterionMin = $minDate; |
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$this->dateCriterionMax = $maxDate; |
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return $this; |
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} |
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/** |
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* Adds a status filter to the search |
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* |
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* @param mixed $status |
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* @param $value |
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* @return $this |
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*/ |
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public function addStatus($status, $value) |
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{ |
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$this->statuses[$status] = $value; |
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return $this; |
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} |
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/** |
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* Adds a list of status filters to the search. |
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* |
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* @param array $statuses |
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* @return $this |
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*/ |
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public function addStatuses(array $statuses) |
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{ |
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foreach ($statuses as $status => $value) { |
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$this->addStatus($status, $value); |
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} |
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return $this; |
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} |
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/** |
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* Sets the status filter to the given list. An empty list clears the filter. |
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* |
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* @param array $statuses |
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* @return $this |
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*/ |
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public function setStatuses(array $statuses) |
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{ |
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$this->statuses = array(); |
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$this->addStatuses($statuses); |
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return $this; |
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} |
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/** |
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* Adds a field to the list of requested fields. |
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* |
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* @param string $fieldName |
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* @return $this |
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* @throws \InvalidArgumentException when the field name is an invalid or empty string |
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*/ |
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21 |
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public function addField($fieldName) |
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{ |
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$this->validateFieldName($fieldName, 'Field name is required and must be a non-empty string.'); |
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$this->fields[] = $fieldName; |
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15 |
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return $this; |
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} |
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374
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31 |
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private function validateFieldName($fieldName, $errorMessage) |
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{ |
376
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31 |
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if (! is_string($fieldName) || trim($fieldName) === '') { |
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24 |
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throw new \InvalidArgumentException($errorMessage); |
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} |
379
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} |
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/** |
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* Adds a list of fields to the list of requested fields. |
383
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* |
384
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* @param array $fields |
385
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* @return $this |
386
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* @throws \InvalidArgumentException when one of the field names is an invalid or empty string |
387
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*/ |
388
|
14 |
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public function addFields(array $fields) |
389
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{ |
390
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14 |
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foreach ($fields as $field) { |
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14 |
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$this->addField($field); |
392
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} |
393
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2 |
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return $this; |
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} |
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/** |
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|
|
* Sets the list of requested fields. An empty clears the filter and all fields will be returned. |
399
|
|
|
* |
400
|
|
|
* @param array $fields |
401
|
|
|
* @return $this |
402
|
|
|
* @throws \InvalidArgumentException when one of the field names is an invalid or empty string |
403
|
|
|
*/ |
404
|
7 |
|
public function setFields(array $fields) |
405
|
|
|
{ |
406
|
7 |
|
$this->fields = array(); |
407
|
|
|
|
408
|
7 |
|
$this->addFields($fields); |
409
|
|
|
|
410
|
1 |
|
return $this; |
411
|
|
|
} |
412
|
|
|
|
413
|
|
|
/** |
414
|
|
|
* Returns the built query. |
415
|
|
|
* |
416
|
|
|
* @return RecordQuery |
417
|
|
|
*/ |
418
|
27 |
|
public function getQuery() |
419
|
|
|
{ |
420
|
|
|
$query = array( |
421
|
27 |
|
'query' => $this->buildQueryTerm(), |
422
|
27 |
|
'bases' => array_unique($this->collections), |
423
|
27 |
|
'offset_start' => $this->offsetStart, |
424
|
27 |
|
'per_page' => $this->recordsPerPage, |
425
|
27 |
|
'search_type' => $this->searchType |
426
|
|
|
); |
427
|
|
|
|
428
|
27 |
|
$query = $this->appendRecordType($query); |
429
|
27 |
|
$query = $this->appendDates($query); |
430
|
27 |
|
$query = $this->appendStatuses($query); |
431
|
27 |
|
$query = $this->appendFields($query); |
432
|
27 |
|
$query = $this->appendSort($query); |
433
|
|
|
|
434
|
27 |
|
return new RecordQuery($query, $this->searchType); |
435
|
|
|
} |
436
|
|
|
|
437
|
27 |
|
private function buildQueryTerm() |
438
|
|
|
{ |
439
|
27 |
|
if (! $this->conditionBuilder) { |
440
|
27 |
|
return $this->query; |
441
|
|
|
} |
442
|
|
|
|
443
|
|
|
$compiler = new QueryPredicateVisitor(); |
444
|
|
|
|
445
|
|
|
$this->conditionBuilder->endAllGroups(); |
446
|
|
|
$this->conditionBuilder->andWhere($this->query); |
447
|
|
|
|
448
|
|
|
return $compiler->compile($this->conditionBuilder->getPredicate()); |
449
|
|
|
} |
450
|
|
|
|
451
|
|
|
/** |
452
|
|
|
* @param $query |
453
|
|
|
* @return mixed |
454
|
|
|
*/ |
455
|
27 |
|
private function appendRecordType($query) |
456
|
|
|
{ |
457
|
27 |
|
if ($this->recordType !== null) { |
458
|
5 |
|
$query['record_type'] = $this->recordType; |
459
|
|
|
|
460
|
5 |
|
return $query; |
461
|
|
|
} |
462
|
|
|
|
463
|
22 |
|
return $query; |
464
|
|
|
} |
465
|
|
|
|
466
|
|
|
/** |
467
|
|
|
* @param $query |
468
|
|
|
* @return mixed |
469
|
|
|
*/ |
470
|
27 |
|
private function appendDates($query) |
471
|
|
|
{ |
472
|
27 |
|
if ($this->dateCriterionField !== null) { |
473
|
3 |
|
$query['date_field'] = $this->dateCriterionField; |
474
|
|
|
|
475
|
3 |
|
if ($this->dateCriterionMin) { |
476
|
2 |
|
$query['date_min'] = $this->dateCriterionMin->format('Y/m/d'); |
477
|
|
|
} |
478
|
|
|
|
479
|
3 |
|
if ($this->dateCriterionMax) { |
480
|
2 |
|
$query['date_max'] = $this->dateCriterionMax->format('Y/m/d'); |
481
|
|
|
|
482
|
2 |
|
return $query; |
483
|
|
|
} |
484
|
|
|
|
485
|
1 |
|
return $query; |
486
|
|
|
} |
487
|
|
|
|
488
|
24 |
|
return $query; |
489
|
|
|
} |
490
|
|
|
|
491
|
|
|
/** |
492
|
|
|
* @param $query |
493
|
|
|
* @return mixed |
494
|
|
|
*/ |
495
|
27 |
|
private function appendStatuses($query) |
496
|
|
|
{ |
497
|
27 |
|
if (!empty($this->statuses)) { |
498
|
3 |
|
$query['status'] = $this->statuses; |
499
|
|
|
|
500
|
3 |
|
return $query; |
501
|
|
|
} |
502
|
|
|
|
503
|
24 |
|
return $query; |
504
|
|
|
} |
505
|
|
|
|
506
|
|
|
/** |
507
|
|
|
* @param $query |
508
|
|
|
* @return mixed |
509
|
|
|
*/ |
510
|
27 |
|
private function appendFields($query) |
511
|
|
|
{ |
512
|
27 |
|
if (!empty($this->fields)) { |
513
|
3 |
|
$query['fields'] = $this->fields; |
514
|
|
|
|
515
|
3 |
|
return $query; |
516
|
|
|
} |
517
|
|
|
|
518
|
24 |
|
return $query; |
519
|
|
|
} |
520
|
|
|
|
521
|
|
|
/** |
522
|
|
|
* @param $query |
523
|
|
|
* @return mixed |
524
|
|
|
*/ |
525
|
27 |
|
private function appendSort($query) |
526
|
|
|
{ |
527
|
27 |
|
if ($this->sortType !== null) { |
528
|
3 |
|
$query['sort'] = $this->sortType; |
529
|
3 |
|
$query['ord'] = $this->sortDescending ? 'desc' : 'asc'; |
530
|
|
|
|
531
|
3 |
|
return $query; |
532
|
|
|
} |
533
|
|
|
|
534
|
24 |
|
return $query; |
535
|
|
|
} |
536
|
|
|
} |
537
|
|
|
|