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<?php |
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/** |
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* User: jensk |
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* Date: 1-3-2017 |
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* Time: 10:22 |
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*/ |
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namespace CloudControl\Cms\search\indexer; |
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use CloudControl\Cms\search\DocumentTokenizer; |
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use CloudControl\Cms\search\Indexer; |
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use CloudControl\Cms\storage\Storage; |
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class TermCount |
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{ |
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/** |
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* @var \PDO |
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*/ |
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protected $dbHandle; |
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protected $documents; |
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protected $filters; |
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protected $storage; |
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/** |
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* TermCount constructor. |
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* |
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* @param \PDO $dbHandle |
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* @param array $documents |
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* @param array $filters |
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* @param Storage $jsonStorage |
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*/ |
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public function __construct($dbHandle, $documents, $filters, $jsonStorage) |
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{ |
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$this->dbHandle = $dbHandle; |
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$this->documents = $documents; |
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$this->filters = $filters; |
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$this->storage = $jsonStorage; |
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} |
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public function execute() |
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{ |
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$this->iterateDocumentsAndCreateTermCount($this->documents); |
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} |
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protected function applyFilters($tokens) |
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{ |
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foreach ($this->filters as $filterName) { |
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$filterClassName = '\CloudControl\Cms\search\filters\\' . $filterName; |
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$filter = new $filterClassName($tokens); |
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$tokens = $filter->getFilterResults(); |
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} |
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return $tokens; |
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} |
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protected function storeDocumentTermCount($document, $documentTermCount) |
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{ |
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$db = $this->dbHandle; |
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$sqlStart = ' |
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INSERT INTO `term_count` (`documentPath`, `term`, `count`, `field`) |
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VALUES '; |
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$sql = $sqlStart; |
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$values = array(); |
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$quotedDocumentPath = $db->quote($document->path); |
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$i = 0; |
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foreach ($documentTermCount as $field => $countArray) { |
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$quotedField = $db->quote($field); |
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foreach ($countArray as $term => $count) { |
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$values[] = $quotedDocumentPath . ', ' . $db->quote($term) . ', ' . $db->quote($count) . ', ' . $quotedField; |
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$i += 1; |
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if ($i >= Indexer::SQLITE_MAX_COMPOUND_SELECT) { |
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$this->executeStoreDocumentTermCount($values, $sql, $db); |
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$values = array(); |
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$sql = $sqlStart; |
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$i = 0; |
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} |
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} |
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} |
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if (count($values) != 0) { |
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$this->executeStoreDocumentTermCount($values, $sql, $db); |
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} |
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} |
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/** |
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* @param $values |
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* @param $sql |
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* @param $db |
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* |
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* @throws \Exception |
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*/ |
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protected function executeStoreDocumentTermCount($values, $sql, $db) |
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{ |
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$sql .= '(' . implode('),' . PHP_EOL . '(', $values) . ');'; |
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$stmt = $db->prepare($sql); |
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if ($stmt === false || !$stmt->execute()) { |
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$errorInfo = $db->errorInfo(); |
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$errorMsg = $errorInfo[2]; |
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throw new \Exception('SQLite Exception: ' . $errorMsg . ' in SQL: <br /><pre>' . $sql . '</pre>'); |
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} |
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} |
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/** |
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* @param $document |
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*/ |
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private function createTermCountForDocument($document) |
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{ |
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$tokenizer = new DocumentTokenizer($document, $this->storage); |
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$tokens = $tokenizer->getTokens(); |
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$documentTermCount = $this->applyFilters($tokens); |
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$this->storeDocumentTermCount($document, $documentTermCount); |
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} |
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/** |
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* @param $documents |
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*/ |
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private function iterateDocumentsAndCreateTermCount($documents) |
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{ |
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foreach ($documents as $document) { |
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if ($document->type === 'folder') { |
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$this->iterateDocumentsAndCreateTermCount($document->content); |
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} else { |
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$this->createTermCountForDocument($document); |
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} |
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} |
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} |
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} |
jenskooij /
cloudcontrol
