RecordCollectionRepository.php

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<?php
namespace TYPO3\CMS\Core\Collection;

class RecordCollectionRepository {

    const TYPE_Static = 'static';
    protected $table = 'sys_collection';

    protected $typeField = 'type';

    protected $tableField = 'table_name';

    public function findByUid($uid) {
        $result = NULL;
        $data = $this->getDatabaseConnection()->exec_SELECTgetSingleRow('*', $this->table, 'uid=' . (int)$uid . \TYPO3\CMS\Backend\Utility\BackendUtility::deleteClause($this->table));
        if (is_array($data)) {
            $result = $this->createDomainObject($data);
        }
        return $result;
    }

    public function findAll() {
        return $this->queryMultipleRecords();
    }

    public function findByTableName($tableName) {
        $conditions = array(
            $this->tableField . '=' . $this->getDatabaseConnection()->fullQuoteStr($tableName, $this->table)
        );
        return $this->queryMultipleRecords($conditions);
    }

    public function findByType($type) {
        $conditions = array(
            $this->typeField . '=' . $this->getDatabaseConnection()->fullQuoteStr($type, $this->table)
        );
        return $this->queryMultipleRecords($conditions);
    }

    public function findByTypeAndTableName($type, $tableName) {
        $conditions = array(
            $this->typeField . '=' . $this->getDatabaseConnection()->fullQuoteStr($type, $this->table),
            $this->tableField . '=' . $this->getDatabaseConnection()->fullQuoteStr($tableName, $this->table)
        );
        return $this->queryMultipleRecords($conditions);
    }

    public function deleteByUid($uid) {
        $this->getDatabaseConnection()->exec_UPDATEquery($this->table, 'uid=' . (int)$uid, array('deleted' => 1, 'tstamp' => $GLOBALS['EXEC_TIME']));
    }

    protected function queryMultipleRecords(array $conditions = array()) {
        $result = NULL;
        if (count($conditions) > 0) {
            $conditionsWhereClause = implode(' AND ', $conditions);
        } else {
            $conditionsWhereClause = '1=1';
        }
        $data = $this->getDatabaseConnection()->exec_SELECTgetRows('*', $this->table, $conditionsWhereClause . \TYPO3\CMS\Backend\Utility\BackendUtility::deleteClause($this->table));
        if ($data !== NULL) {
            $result = $this->createMultipleDomainObjects($data);
        }
        return $result;
    }

    protected function createDomainObject(array $record) {
        switch ($record['type']) {
            case self::TYPE_Static:
                $collection = \TYPO3\CMS\Core\Collection\StaticRecordCollection::create($record);
                break;
            default:
                throw new \RuntimeException('Unknown record collection type "' . $record['type'], 1328646798);
        }
        return $collection;
    }

    protected function createMultipleDomainObjects(array $data) {
        $collections = array();
        foreach ($data as $collection) {
            $collections[] = $this->createDomainObject($collection);
        }
        return $collections;
    }

    protected function getDatabaseConnection() {
        return $GLOBALS['TYPO3_DB'];
    }

}