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<?php |
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namespace Kitodo\Dlf\Common; |
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/** |
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* (c) Kitodo. Key to digital objects e.V. <[email protected]> |
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* |
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* This file is part of the Kitodo and TYPO3 projects. |
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* |
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* @license GNU General Public License version 3 or later. |
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* For the full copyright and license information, please read the |
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* LICENSE.txt file that was distributed with this source code. |
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*/ |
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use TYPO3\CMS\Core\Database\ConnectionPool; |
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use TYPO3\CMS\Core\Database\Query\QueryBuilder; |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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use TYPO3\CMS\Core\Utility\MathUtility; |
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/** |
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* List class for the 'dlf' extension |
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* |
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* @author Sebastian Meyer <[email protected]> |
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* @author Frank Ulrich Weber <[email protected]> |
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* @package TYPO3 |
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* @subpackage dlf |
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* @access public |
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*/ |
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class DocumentList implements \ArrayAccess, \Countable, \Iterator, \TYPO3\CMS\Core\SingletonInterface |
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{ |
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/** |
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* This holds the number of documents in the list |
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* @see \Countable |
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* |
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* @var integer |
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* @access protected |
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*/ |
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protected $count = 0; |
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/** |
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* This holds the list entries in sorted order |
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* @see \ArrayAccess |
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* |
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* @var array |
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* @access protected |
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*/ |
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protected $elements = []; |
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/** |
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* This holds the list's metadata |
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* |
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* @var array |
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* @access protected |
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*/ |
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protected $metadata = []; |
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/** |
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* This holds the current list position |
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* @see \Iterator |
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* |
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* @var integer |
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* @access protected |
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*/ |
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protected $position = 0; |
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/** |
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* This holds the full records of already processed list elements |
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* |
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* @var array |
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* @access protected |
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*/ |
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protected $records = []; |
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/** |
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* Instance of \Kitodo\Dlf\Common\Solr class |
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* |
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* @var \Kitodo\Dlf\Common\Solr |
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* @access protected |
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*/ |
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protected $solr; |
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/** |
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* This holds the Solr metadata configuration |
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* |
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* @var array |
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* @access protected |
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*/ |
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protected $solrConfig = []; |
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/** |
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* This adds an array of elements at the given position to the list |
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* |
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* @access public |
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* |
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* @param array $elements: Array of elements to add to list |
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* @param integer $position: Numeric position for including |
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* |
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* @return void |
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*/ |
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public function add(array $elements, $position = -1) |
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{ |
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$position = MathUtility::forceIntegerInRange($position, 0, $this->count, $this->count); |
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if (!empty($elements)) { |
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array_splice($this->elements, $position, 0, $elements); |
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$this->count = count($this->elements); |
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} |
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} |
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/** |
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* This counts the elements |
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* @see \Countable::count() |
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* |
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* @access public |
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* |
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* @return integer The number of elements in the list |
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*/ |
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public function count() |
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{ |
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return $this->count; |
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} |
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/** |
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* This returns the current element |
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* @see \Iterator::current() |
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* |
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* @access public |
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* |
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* @return array The current element |
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*/ |
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public function current() |
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{ |
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if ($this->valid()) { |
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return $this->getRecord($this->elements[$this->position]); |
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} else { |
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Helper::devLog('Invalid position "' . $this->position . '" for list element', DEVLOG_SEVERITY_NOTICE); |
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return; |
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} |
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} |
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/** |
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* This returns the full record of any list element |
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* |
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* @access protected |
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* |
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* @param mixed $element: The list element |
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* |
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* @return mixed The element's full record |
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*/ |
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protected function getRecord($element) |
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{ |
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if ( |
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is_array($element) |
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&& array_keys($element) == ['u', 'h', 's', 'p'] |
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) { |
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// Return already processed record if possible. |
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if (!empty($this->records[$element['u']])) { |
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return $this->records[$element['u']]; |
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} |
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$record = [ |
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'uid' => $element['u'], |
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'page' => 1, |
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'preview' => '', |
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'subparts' => $element['p'] |
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]; |
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// Check if it's a list of database records or Solr documents. |
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if ( |
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!empty($this->metadata['options']['source']) |
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&& $this->metadata['options']['source'] == 'collection' |
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) { |
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/** @var QueryBuilder $queryBuilder */ |
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$queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class) |
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->getQueryBuilderForTable('tx_dlf_documents'); |
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// Get document's thumbnail and metadata from database. |
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$result = $queryBuilder |
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->select( |
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'tx_dlf_documents.uid AS uid', |
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'tx_dlf_documents.thumbnail AS thumbnail', |
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'tx_dlf_documents.metadata AS metadata' |
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) |
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->from('tx_dlf_documents') |
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->where( |
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$queryBuilder->expr()->orX( |
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$queryBuilder->expr()->eq('tx_dlf_documents.uid', intval($record['uid'])), |
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$queryBuilder->expr()->eq('tx_dlf_documents.partof', intval($record['uid'])) |
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), |
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Helper::whereExpression('tx_dlf_documents') |
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) |
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->execute(); |
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// Process results. |
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while ($resArray = $result->fetch()) { |
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// Prepare document's metadata. |
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$metadata = unserialize($resArray['metadata']); |
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if ( |
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!empty($metadata['type'][0]) |
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&& MathUtility::canBeInterpretedAsInteger($metadata['type'][0]) |
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) { |
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$metadata['type'][0] = Helper::getIndexNameFromUid($metadata['type'][0], 'tx_dlf_structures', $this->metadata['options']['pid']); |
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} |
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if ( |
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!empty($metadata['owner'][0]) |
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&& MathUtility::canBeInterpretedAsInteger($metadata['owner'][0]) |
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) { |
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$metadata['owner'][0] = Helper::getIndexNameFromUid($metadata['owner'][0], 'tx_dlf_libraries', $this->metadata['options']['pid']); |
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} |
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if ( |
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!empty($metadata['collection']) |
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&& is_array($metadata['collection']) |
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) { |
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foreach ($metadata['collection'] as $i => $collection) { |
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if (MathUtility::canBeInterpretedAsInteger($collection)) { |
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$metadata['collection'][$i] = Helper::getIndexNameFromUid($metadata['collection'][$i], 'tx_dlf_collections', $this->metadata['options']['pid']); |
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} |
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} |
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} |
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// Add metadata to list element. |
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if ($resArray['uid'] == $record['uid']) { |
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$record['thumbnail'] = $resArray['thumbnail']; |
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$record['metadata'] = $metadata; |
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} elseif (($key = array_search(['u' => $resArray['uid']], $record['subparts'], TRUE)) !== FALSE) { |
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$record['subparts'][$key] = [ |
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'uid' => $resArray['uid'], |
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'page' => 1, |
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'preview' => (!empty($record['subparts'][$key]['h']) ? $record['subparts'][$key]['h'] : ''), |
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'thumbnail' => $resArray['thumbnail'], |
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'metadata' => $metadata |
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]; |
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} |
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} |
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} elseif ( |
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!empty($this->metadata['options']['source']) |
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&& $this->metadata['options']['source'] == 'search' |
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) { |
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if ($this->solrConnect()) { |
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$params = []; |
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// Restrict the fields to the required ones |
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$params['fields'] = 'uid,id,toplevel,thumbnail,page'; |
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foreach ($this->solrConfig as $solr_name) { |
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$params['fields'] .= ',' . $solr_name; |
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} |
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// If it is a fulltext search, enable highlighting. |
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if ($this->metadata['fulltextSearch']) { |
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$params['component'] = [ |
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'highlighting' => [ |
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'query' => Solr::escapeQuery($this->metadata['searchString']), |
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'field' => 'fulltext', |
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'usefastvectorhighlighter' => TRUE |
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] |
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]; |
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} |
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// Set additional query parameters. |
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$params['start'] = 0; |
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// Set reasonable limit for safety reasons. |
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// We don't expect to get more than 10.000 hits per UID. |
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$params['rows'] = 10000; |
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// Take over existing filter queries. |
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$params['filterquery'] = isset($this->metadata['options']['params']['filterquery']) ? $this->metadata['options']['params']['filterquery'] : []; |
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// Extend filter query to get all documents with the same UID. |
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foreach ($params['filterquery'] as $key => $value) { |
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if (isset($value['query'])) { |
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$params['filterquery'][$key]['query'] = $value['query'] . ' OR toplevel:true'; |
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} |
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} |
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// Add filter query to get all documents with the required uid. |
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$params['filterquery'][] = ['query' => 'uid:' . Solr::escapeQuery($record['uid'])]; |
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// Add sorting. |
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$params['sort'] = $this->metadata['options']['params']['sort']; |
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// Set query. |
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$params['query'] = $this->metadata['options']['select'] . ' OR toplevel:true'; |
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// Perform search for all documents with the same uid that either fit to the search or marked as toplevel. |
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$selectQuery = $this->solr->service->createSelect($params); |
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$result = $this->solr->service->select($selectQuery); |
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// If it is a fulltext search, fetch the highlighting results. |
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if ($this->metadata['fulltextSearch']) { |
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$highlighting = $result->getHighlighting(); |
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} |
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// Process results. |
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foreach ($result as $resArray) { |
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// Prepare document's metadata. |
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$metadata = []; |
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foreach ($this->solrConfig as $index_name => $solr_name) { |
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if (!empty($resArray->$solr_name)) { |
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$metadata[$index_name] = (is_array($resArray->$solr_name) ? $resArray->$solr_name : [$resArray->$solr_name]); |
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} |
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} |
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// Add metadata to list elements. |
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if ($resArray->toplevel) { |
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$record['thumbnail'] = $resArray->thumbnail; |
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$record['metadata'] = $metadata; |
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} else { |
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$highlightedDoc = !empty($highlighting) ? $highlighting->getResult($resArray->id) : NULL; |
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$highlight = !empty($highlightedDoc) ? $highlightedDoc->getField('fulltext')[0] : ''; |
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$record['subparts'][$resArray->id] = [ |
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'uid' => $resArray->uid, |
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'page' => $resArray->page, |
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'preview' => $highlight, |
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'thumbnail' => $resArray->thumbnail, |
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'metadata' => $metadata |
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]; |
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} |
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} |
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} |
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} |
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// Save record for later usage. |
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$this->records[$element['u']] = $record; |
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} else { |
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Helper::devLog('No UID of list element to fetch full record', DEVLOG_SEVERITY_NOTICE); |
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$record = $element; |
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} |
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return $record; |
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} |
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/** |
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* This returns the current position |
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316
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* @see \Iterator::key() |
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317
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* |
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318
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* @access public |
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319
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* |
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320
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* @return integer The current position |
|
321
|
|
|
*/ |
|
322
|
|
|
public function key() |
|
323
|
|
|
{ |
|
324
|
|
|
return $this->position; |
|
325
|
|
|
} |
|
326
|
|
|
|
|
327
|
|
|
/** |
|
328
|
|
|
* This moves the element at the given position up or down |
|
329
|
|
|
* |
|
330
|
|
|
* @access public |
|
331
|
|
|
* |
|
332
|
|
|
* @param integer $position: Numeric position for moving |
|
333
|
|
|
* @param integer $steps: Amount of steps to move up or down |
|
334
|
|
|
* |
|
335
|
|
|
* @return void |
|
336
|
|
|
*/ |
|
337
|
|
|
public function move($position, $steps) |
|
338
|
|
|
{ |
|
339
|
|
|
$position = intval($position); |
|
340
|
|
|
// Check if list position is valid. |
|
341
|
|
|
if ( |
|
342
|
|
|
$position < 0 |
|
343
|
|
|
|| $position >= $this->count |
|
344
|
|
|
) { |
|
345
|
|
|
Helper::devLog('Invalid position "' . $position . '" for element moving', DEVLOG_SEVERITY_WARNING); |
|
346
|
|
|
return; |
|
347
|
|
|
} |
|
348
|
|
|
$steps = intval($steps); |
|
349
|
|
|
// Check if moving given amount of steps is possible. |
|
350
|
|
|
if (($position + $steps) < 0 |
|
351
|
|
|
|| ($position + $steps) >= $this->count |
|
352
|
|
|
) { |
|
353
|
|
|
Helper::devLog('Invalid steps "' . $steps . '" for moving element at position "' . $position . '"', DEVLOG_SEVERITY_WARNING); |
|
354
|
|
|
return; |
|
355
|
|
|
} |
|
356
|
|
|
$element = $this->remove($position); |
|
357
|
|
|
$this->add([$element], $position + $steps); |
|
358
|
|
|
} |
|
359
|
|
|
|
|
360
|
|
|
/** |
|
361
|
|
|
* This moves the element at the given position up |
|
362
|
|
|
* |
|
363
|
|
|
* @access public |
|
364
|
|
|
* |
|
365
|
|
|
* @param integer $position: Numeric position for moving |
|
366
|
|
|
* |
|
367
|
|
|
* @return void |
|
368
|
|
|
*/ |
|
369
|
|
|
public function moveUp($position) |
|
370
|
|
|
{ |
|
371
|
|
|
$this->move($position, -1); |
|
372
|
|
|
} |
|
373
|
|
|
|
|
374
|
|
|
/** |
|
375
|
|
|
* This moves the element at the given position down |
|
376
|
|
|
* |
|
377
|
|
|
* @access public |
|
378
|
|
|
* |
|
379
|
|
|
* @param integer $position: Numeric position for moving |
|
380
|
|
|
* |
|
381
|
|
|
* @return void |
|
382
|
|
|
*/ |
|
383
|
|
|
public function moveDown($position) |
|
384
|
|
|
{ |
|
385
|
|
|
$this->move($position, 1); |
|
386
|
|
|
} |
|
387
|
|
|
|
|
388
|
|
|
/** |
|
389
|
|
|
* This increments the current list position |
|
390
|
|
|
* @see \Iterator::next() |
|
391
|
|
|
* |
|
392
|
|
|
* @access public |
|
393
|
|
|
* |
|
394
|
|
|
* @return void |
|
395
|
|
|
*/ |
|
396
|
|
|
public function next() |
|
397
|
|
|
{ |
|
398
|
|
|
$this->position++; |
|
399
|
|
|
} |
|
400
|
|
|
|
|
401
|
|
|
/** |
|
402
|
|
|
* This checks if an offset exists |
|
403
|
|
|
* @see \ArrayAccess::offsetExists() |
|
404
|
|
|
* |
|
405
|
|
|
* @access public |
|
406
|
|
|
* |
|
407
|
|
|
* @param mixed $offset: The offset to check |
|
408
|
|
|
* |
|
409
|
|
|
* @return boolean Does the given offset exist? |
|
410
|
|
|
*/ |
|
411
|
|
|
public function offsetExists($offset) |
|
412
|
|
|
{ |
|
413
|
|
|
return isset($this->elements[$offset]); |
|
414
|
|
|
} |
|
415
|
|
|
|
|
416
|
|
|
/** |
|
417
|
|
|
* This returns the element at the given offset |
|
418
|
|
|
* @see \ArrayAccess::offsetGet() |
|
419
|
|
|
* |
|
420
|
|
|
* @access public |
|
421
|
|
|
* |
|
422
|
|
|
* @param mixed $offset: The offset to return |
|
423
|
|
|
* |
|
424
|
|
|
* @return array The element at the given offset |
|
425
|
|
|
*/ |
|
426
|
|
|
public function offsetGet($offset) |
|
427
|
|
|
{ |
|
428
|
|
|
if ($this->offsetExists($offset)) { |
|
429
|
|
|
return $this->getRecord($this->elements[$offset]); |
|
430
|
|
|
} else { |
|
431
|
|
|
Helper::devLog('Invalid offset "' . $offset . '" for list element', DEVLOG_SEVERITY_NOTICE); |
|
432
|
|
|
return; |
|
433
|
|
|
} |
|
434
|
|
|
} |
|
435
|
|
|
|
|
436
|
|
|
/** |
|
437
|
|
|
* This sets the element at the given offset |
|
438
|
|
|
* @see \ArrayAccess::offsetSet() |
|
439
|
|
|
* |
|
440
|
|
|
* @access public |
|
441
|
|
|
* |
|
442
|
|
|
* @param mixed $offset: The offset to set (non-integer offsets will be appended) |
|
443
|
|
|
* @param mixed $value: The value to set |
|
444
|
|
|
* |
|
445
|
|
|
* @return void |
|
446
|
|
|
*/ |
|
447
|
|
|
public function offsetSet($offset, $value) |
|
448
|
|
|
{ |
|
449
|
|
|
if (\TYPO3\CMS\Core\Utility\MathUtility::canBeInterpretedAsInteger($offset)) { |
|
450
|
|
|
$this->elements[$offset] = $value; |
|
451
|
|
|
} else { |
|
452
|
|
|
$this->elements[] = $value; |
|
453
|
|
|
} |
|
454
|
|
|
// Re-number the elements. |
|
455
|
|
|
$this->elements = array_values($this->elements); |
|
456
|
|
|
$this->count = count($this->elements); |
|
457
|
|
|
} |
|
458
|
|
|
|
|
459
|
|
|
/** |
|
460
|
|
|
* This removes the element at the given position from the list |
|
461
|
|
|
* |
|
462
|
|
|
* @access public |
|
463
|
|
|
* |
|
464
|
|
|
* @param integer $position: Numeric position for removing |
|
465
|
|
|
* |
|
466
|
|
|
* @return array The removed element |
|
467
|
|
|
*/ |
|
468
|
|
|
public function remove($position) |
|
469
|
|
|
{ |
|
470
|
|
|
$position = intval($position); |
|
471
|
|
|
if ( |
|
472
|
|
|
$position < 0 |
|
473
|
|
|
|| $position >= $this->count |
|
474
|
|
|
) { |
|
475
|
|
|
Helper::devLog('Invalid position "' . $position . '" for element removing', DEVLOG_SEVERITY_WARNING); |
|
476
|
|
|
return; |
|
477
|
|
|
} |
|
478
|
|
|
$removed = array_splice($this->elements, $position, 1); |
|
479
|
|
|
$this->count = count($this->elements); |
|
480
|
|
|
return $this->getRecord($removed[0]); |
|
481
|
|
|
} |
|
482
|
|
|
|
|
483
|
|
|
/** |
|
484
|
|
|
* This removes elements at the given range from the list |
|
485
|
|
|
* |
|
486
|
|
|
* @access public |
|
487
|
|
|
* |
|
488
|
|
|
* @param integer $position: Numeric position for start of range |
|
489
|
|
|
* @param integer $length: Numeric position for length of range |
|
490
|
|
|
* |
|
491
|
|
|
* @return array The indizes of the removed elements |
|
492
|
|
|
*/ |
|
493
|
|
|
public function removeRange($position, $length) |
|
494
|
|
|
{ |
|
495
|
|
|
$position = intval($position); |
|
496
|
|
|
if ( |
|
497
|
|
|
$position < 0 |
|
498
|
|
|
|| $position >= $this->count |
|
499
|
|
|
) { |
|
500
|
|
|
Helper::devLog('Invalid position "' . $position . '" for element removing', DEVLOG_SEVERITY_WARNING); |
|
501
|
|
|
return; |
|
502
|
|
|
} |
|
503
|
|
|
$removed = array_splice($this->elements, $position, $length); |
|
504
|
|
|
$this->count = count($this->elements); |
|
505
|
|
|
return $removed; |
|
506
|
|
|
} |
|
507
|
|
|
|
|
508
|
|
|
/** |
|
509
|
|
|
* This clears the current list |
|
510
|
|
|
* |
|
511
|
|
|
* @access public |
|
512
|
|
|
* |
|
513
|
|
|
* @return void |
|
514
|
|
|
*/ |
|
515
|
|
|
public function reset() |
|
516
|
|
|
{ |
|
517
|
|
|
$this->elements = []; |
|
518
|
|
|
$this->records = []; |
|
519
|
|
|
$this->metadata = []; |
|
520
|
|
|
$this->count = 0; |
|
521
|
|
|
$this->position = 0; |
|
522
|
|
|
} |
|
523
|
|
|
|
|
524
|
|
|
/** |
|
525
|
|
|
* This resets the list position |
|
526
|
|
|
* @see \Iterator::rewind() |
|
527
|
|
|
* |
|
528
|
|
|
* @access public |
|
529
|
|
|
* |
|
530
|
|
|
* @return void |
|
531
|
|
|
*/ |
|
532
|
|
|
public function rewind() |
|
533
|
|
|
{ |
|
534
|
|
|
$this->position = 0; |
|
535
|
|
|
} |
|
536
|
|
|
|
|
537
|
|
|
/** |
|
538
|
|
|
* This saves the current list |
|
539
|
|
|
* |
|
540
|
|
|
* @access public |
|
541
|
|
|
* |
|
542
|
|
|
* @param integer $pid: PID for saving in database |
|
543
|
|
|
* |
|
544
|
|
|
* @return void |
|
545
|
|
|
*/ |
|
546
|
|
|
public function save($pid = 0) |
|
547
|
|
|
{ |
|
548
|
|
|
$pid = max(intval($pid), 0); |
|
549
|
|
|
// If no PID is given, save to the user's session instead |
|
550
|
|
|
if ($pid > 0) { |
|
551
|
|
|
// TODO: Liste in Datenbank speichern (inkl. Sichtbarkeit, Beschreibung, etc.) |
|
552
|
|
|
} else { |
|
553
|
|
|
Helper::saveToSession([$this->elements, $this->metadata], get_class($this)); |
|
554
|
|
|
} |
|
555
|
|
|
} |
|
556
|
|
|
|
|
557
|
|
|
/** |
|
558
|
|
|
* Connects to Solr server. |
|
559
|
|
|
* |
|
560
|
|
|
* @access protected |
|
561
|
|
|
* |
|
562
|
|
|
* @return boolean TRUE on success or FALSE on failure |
|
563
|
|
|
*/ |
|
564
|
|
|
protected function solrConnect() |
|
565
|
|
|
{ |
|
566
|
|
|
// Get Solr instance. |
|
567
|
|
|
if (!$this->solr) { |
|
568
|
|
|
// Connect to Solr server. |
|
569
|
|
|
if ($this->solr = Solr::getInstance($this->metadata['options']['core'])) { |
|
570
|
|
|
/** @var QueryBuilder $queryBuilder */ |
|
571
|
|
|
$queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class) |
|
572
|
|
|
->getQueryBuilderForTable('tx_dlf_metadata'); |
|
573
|
|
|
|
|
574
|
|
|
// Load index configuration. |
|
575
|
|
|
$result = $queryBuilder |
|
576
|
|
|
->select( |
|
577
|
|
|
'tx_dlf_metadata.index_name AS index_name', |
|
578
|
|
|
'tx_dlf_metadata.index_tokenized AS index_tokenized', |
|
579
|
|
|
'tx_dlf_metadata.index_indexed AS index_indexed' |
|
580
|
|
|
) |
|
581
|
|
|
->from('tx_dlf_metadata') |
|
582
|
|
|
->where( |
|
583
|
|
|
$queryBuilder->expr()->eq('tx_dlf_metadata.is_listed', 1), |
|
584
|
|
|
$queryBuilder->expr()->eq('tx_dlf_metadata.pid', intval($this->metadata['options']['pid'])), |
|
585
|
|
|
Helper::whereExpression('tx_dlf_metadata') |
|
586
|
|
|
) |
|
587
|
|
|
->orderBy('tx_dlf_metadata.sorting', 'ASC') |
|
588
|
|
|
->execute(); |
|
589
|
|
|
|
|
590
|
|
|
while ($resArray = $result->fetch()) { |
|
591
|
|
|
$this->solrConfig[$resArray['index_name']] = $resArray['index_name'] . '_' . ($resArray['index_tokenized'] ? 't' : 'u') . 's' . ($resArray['index_indexed'] ? 'i' : 'u'); |
|
592
|
|
|
} |
|
593
|
|
|
// Add static fields. |
|
594
|
|
|
$this->solrConfig['type'] = 'type'; |
|
595
|
|
|
} else { |
|
596
|
|
|
return FALSE; |
|
597
|
|
|
} |
|
598
|
|
|
} |
|
599
|
|
|
return TRUE; |
|
600
|
|
|
} |
|
601
|
|
|
|
|
602
|
|
|
/** |
|
603
|
|
|
* This sorts the current list by the given field |
|
604
|
|
|
* |
|
605
|
|
|
* @access public |
|
606
|
|
|
* |
|
607
|
|
|
* @param string $by: Sort the list by this field |
|
608
|
|
|
* @param boolean $asc: Sort ascending? |
|
609
|
|
|
* |
|
610
|
|
|
* @return void |
|
611
|
|
|
*/ |
|
612
|
|
|
public function sort($by, $asc = TRUE) |
|
613
|
|
|
{ |
|
614
|
|
|
$newOrder = []; |
|
615
|
|
|
$nonSortable = []; |
|
616
|
|
|
foreach ($this->elements as $num => $element) { |
|
617
|
|
|
// Is this element sortable? |
|
618
|
|
|
if (!empty($element['s'][$by])) { |
|
619
|
|
|
$newOrder[$element['s'][$by] . str_pad($num, 6, '0', STR_PAD_LEFT)] = $element; |
|
620
|
|
|
} else { |
|
621
|
|
|
$nonSortable[] = $element; |
|
622
|
|
|
} |
|
623
|
|
|
} |
|
624
|
|
|
// Reorder elements. |
|
625
|
|
|
if ($asc) { |
|
626
|
|
|
ksort($newOrder, SORT_LOCALE_STRING); |
|
627
|
|
|
} else { |
|
628
|
|
|
krsort($newOrder, SORT_LOCALE_STRING); |
|
629
|
|
|
} |
|
630
|
|
|
// Add non sortable elements to the end of the list. |
|
631
|
|
|
$newOrder = array_merge(array_values($newOrder), $nonSortable); |
|
632
|
|
|
// Check if something is missing. |
|
633
|
|
|
if ($this->count == count($newOrder)) { |
|
634
|
|
|
$this->elements = $newOrder; |
|
635
|
|
|
} else { |
|
636
|
|
|
Helper::devLog('Sorted list elements do not match unsorted elements', DEVLOG_SEVERITY_ERROR); |
|
637
|
|
|
} |
|
638
|
|
|
} |
|
639
|
|
|
|
|
640
|
|
|
/** |
|
641
|
|
|
* This unsets the element at the given offset |
|
642
|
|
|
* @see \ArrayAccess::offsetUnset() |
|
643
|
|
|
* |
|
644
|
|
|
* @access public |
|
645
|
|
|
* |
|
646
|
|
|
* @param mixed $offset: The offset to unset |
|
647
|
|
|
* |
|
648
|
|
|
* @return void |
|
649
|
|
|
*/ |
|
650
|
|
|
public function offsetUnset($offset) |
|
651
|
|
|
{ |
|
652
|
|
|
unset($this->elements[$offset]); |
|
653
|
|
|
// Re-number the elements. |
|
654
|
|
|
$this->elements = array_values($this->elements); |
|
655
|
|
|
$this->count = count($this->elements); |
|
656
|
|
|
} |
|
657
|
|
|
|
|
658
|
|
|
/** |
|
659
|
|
|
* This checks if the current list position is valid |
|
660
|
|
|
* @see \Iterator::valid() |
|
661
|
|
|
* |
|
662
|
|
|
* @access public |
|
663
|
|
|
* |
|
664
|
|
|
* @return boolean Is the current list position valid? |
|
665
|
|
|
*/ |
|
666
|
|
|
public function valid() |
|
667
|
|
|
{ |
|
668
|
|
|
return isset($this->elements[$this->position]); |
|
669
|
|
|
} |
|
670
|
|
|
|
|
671
|
|
|
/** |
|
672
|
|
|
* This returns $this->metadata via __get() |
|
673
|
|
|
* |
|
674
|
|
|
* @access protected |
|
675
|
|
|
* |
|
676
|
|
|
* @return array The list's metadata |
|
677
|
|
|
*/ |
|
678
|
|
|
protected function _getMetadata() |
|
679
|
|
|
{ |
|
680
|
|
|
return $this->metadata; |
|
681
|
|
|
} |
|
682
|
|
|
|
|
683
|
|
|
/** |
|
684
|
|
|
* This sets $this->metadata via __set() |
|
685
|
|
|
* |
|
686
|
|
|
* @access protected |
|
687
|
|
|
* |
|
688
|
|
|
* @param array $metadata: Array of new metadata |
|
689
|
|
|
* |
|
690
|
|
|
* @return void |
|
691
|
|
|
*/ |
|
692
|
|
|
protected function _setMetadata(array $metadata = []) |
|
693
|
|
|
{ |
|
694
|
|
|
$this->metadata = $metadata; |
|
695
|
|
|
} |
|
696
|
|
|
|
|
697
|
|
|
/** |
|
698
|
|
|
* This is the constructor |
|
699
|
|
|
* |
|
700
|
|
|
* @access public |
|
701
|
|
|
* |
|
702
|
|
|
* @param array $elements: Array of documents initially setting up the list |
|
703
|
|
|
* @param array $metadata: Array of initial metadata |
|
704
|
|
|
* |
|
705
|
|
|
* @return void |
|
706
|
|
|
*/ |
|
707
|
|
|
public function __construct(array $elements = [], array $metadata = []) |
|
708
|
|
|
{ |
|
709
|
|
|
if ( |
|
710
|
|
|
empty($elements) |
|
711
|
|
|
&& empty($metadata) |
|
712
|
|
|
) { |
|
713
|
|
|
// Let's check the user's session. |
|
714
|
|
|
$sessionData = Helper::loadFromSession(get_class($this)); |
|
715
|
|
|
// Restore list from session data. |
|
716
|
|
|
if (is_array($sessionData)) { |
|
717
|
|
|
if (is_array($sessionData[0])) { |
|
718
|
|
|
$this->elements = $sessionData[0]; |
|
719
|
|
|
} |
|
720
|
|
|
if (is_array($sessionData[1])) { |
|
721
|
|
|
$this->metadata = $sessionData[1]; |
|
722
|
|
|
} |
|
723
|
|
|
} |
|
724
|
|
|
} else { |
|
725
|
|
|
// Add metadata to the list. |
|
726
|
|
|
$this->metadata = $metadata; |
|
727
|
|
|
// Add initial set of elements to the list. |
|
728
|
|
|
$this->elements = $elements; |
|
729
|
|
|
} |
|
730
|
|
|
$this->count = count($this->elements); |
|
731
|
|
|
} |
|
732
|
|
|
|
|
733
|
|
|
/** |
|
734
|
|
|
* This magic method is invoked each time a clone is called on the object variable |
|
735
|
|
|
* (This method is defined as private/protected because singleton objects should not be cloned) |
|
736
|
|
|
* |
|
737
|
|
|
* @access protected |
|
738
|
|
|
* |
|
739
|
|
|
* @return void |
|
740
|
|
|
*/ |
|
741
|
|
|
protected function __clone() |
|
742
|
|
|
{ } |
|
743
|
|
|
|
|
744
|
|
|
/** |
|
745
|
|
|
* This magic method is called each time an invisible property is referenced from the object |
|
746
|
|
|
* |
|
747
|
|
|
* @access public |
|
748
|
|
|
* |
|
749
|
|
|
* @param string $var: Name of variable to get |
|
750
|
|
|
* |
|
751
|
|
|
* @return mixed Value of $this->$var |
|
752
|
|
|
*/ |
|
753
|
|
|
public function __get($var) |
|
754
|
|
|
{ |
|
755
|
|
|
$method = '_get' . ucfirst($var); |
|
756
|
|
|
if ( |
|
757
|
|
|
!property_exists($this, $var) |
|
758
|
|
|
|| !method_exists($this, $method) |
|
759
|
|
|
) { |
|
760
|
|
|
Helper::devLog('There is no getter function for property "' . $var . '"', DEVLOG_SEVERITY_WARNING); |
|
761
|
|
|
return; |
|
762
|
|
|
} else { |
|
763
|
|
|
return $this->$method(); |
|
764
|
|
|
} |
|
765
|
|
|
} |
|
766
|
|
|
|
|
767
|
|
|
/** |
|
768
|
|
|
* This magic method is called each time an invisible property is referenced from the object |
|
769
|
|
|
* |
|
770
|
|
|
* @access public |
|
771
|
|
|
* |
|
772
|
|
|
* @param string $var: Name of variable to set |
|
773
|
|
|
* @param mixed $value: New value of variable |
|
774
|
|
|
* |
|
775
|
|
|
* @return void |
|
776
|
|
|
*/ |
|
777
|
|
|
public function __set($var, $value) |
|
778
|
|
|
{ |
|
779
|
|
|
$method = '_set' . ucfirst($var); |
|
780
|
|
|
if ( |
|
781
|
|
|
!property_exists($this, $var) |
|
782
|
|
|
|| !method_exists($this, $method) |
|
783
|
|
|
) { |
|
784
|
|
|
Helper::devLog('There is no setter function for property "' . $var . '"', DEVLOG_SEVERITY_WARNING); |
|
785
|
|
|
} else { |
|
786
|
|
|
$this->$method($value); |
|
787
|
|
|
} |
|
788
|
|
|
} |
|
789
|
|
|
|
|
790
|
|
|
/** |
|
791
|
|
|
* This magic method is executed prior to any serialization of the object |
|
792
|
|
|
* @see __wakeup() |
|
793
|
|
|
* |
|
794
|
|
|
* @access public |
|
795
|
|
|
* |
|
796
|
|
|
* @return array Properties to be serialized |
|
797
|
|
|
*/ |
|
798
|
|
|
public function __sleep() |
|
799
|
|
|
{ |
|
800
|
|
|
return ['elements', 'metadata']; |
|
801
|
|
|
} |
|
802
|
|
|
|
|
803
|
|
|
/** |
|
804
|
|
|
* This magic method is executed after the object is deserialized |
|
805
|
|
|
* @see __sleep() |
|
806
|
|
|
* |
|
807
|
|
|
* @access public |
|
808
|
|
|
* |
|
809
|
|
|
* @return void |
|
810
|
|
|
*/ |
|
811
|
|
|
public function __wakeup() |
|
812
|
|
|
{ |
|
813
|
|
|
$this->count = count($this->elements); |
|
814
|
|
|
} |
|
815
|
|
|
} |
|
816
|
|
|
|
kitodo /
kitodo-presentation
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