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<?php declare(strict_types = 1); |
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/** |
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* Created by PhpStorm. |
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* User: gordon |
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* Date: 25/3/2561 |
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* Time: 1:35 น. |
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*/ |
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namespace Suilven\ManticoreSearch\Service; |
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use Manticoresearch\Search; |
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use SilverStripe\ORM\ArrayList; |
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use SilverStripe\ORM\DataObject; |
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use Suilven\FreeTextSearch\Container\SearchResults; |
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use Suilven\FreeTextSearch\Indexes; |
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class Searcher extends \Suilven\FreeTextSearch\Base\Searcher implements \Suilven\FreeTextSearch\Interfaces\Searcher |
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{ |
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/** @var \Suilven\ManticoreSearch\Service\Client */ |
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private $client; |
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public function __construct() |
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{ |
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$this->client = new Client(); |
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} |
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public function search(?string $q): SearchResults |
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{ |
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$startTime = \microtime(true); |
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$client = new Client(); |
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$manticoreClient = $client->getConnection(); |
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$searcher = new Search($manticoreClient); |
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$searcher->setIndex($this->indexName); |
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$searcher->limit($this->pageSize); |
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$offset=$this->pageSize * ($this->page-1); |
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$searcher->offset($offset); |
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$indexes = new Indexes(); |
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$index = $indexes->getIndex($this->indexName); |
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$searcher->highlight( |
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[], |
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['pre_tags' => '<b>', 'post_tags'=>'</b>'] |
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); |
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$q = \is_null($q) |
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? '' |
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: $q; |
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$manticoreResult = $searcher->search($q)->get(); |
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$allFields = $this->getAllFields($index); |
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$ssResult = new ArrayList(); |
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while ($manticoreResult->valid()) { |
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$hit = $manticoreResult->current(); |
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$source = $hit->getData(); |
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$ssDataObject = new DataObject(); |
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$this->populateSearchResult($ssDataObject, $allFields, $source); |
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// manticore lowercases fields, so as above normalize them back to the SS fieldnames |
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$highlights = $hit->getHighlight(); |
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$fieldsToHighlight = $index->getHighlightedFields(); |
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$this->addHighlights($ssDataObject, $allFields, $highlights, $fieldsToHighlight); |
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$ssDataObject->ID = $hit->getId(); |
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$ssResult->push($ssDataObject); |
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$manticoreResult->next(); |
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} |
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// we now need to standardize the output returned |
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$searchResults = new SearchResults(); |
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$searchResults->setRecords($ssResult); |
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$searchResults->setPage($this->page); |
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$searchResults->setPageSize($this->pageSize); |
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$searchResults->setQuery($q); |
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$searchResults->setTotalNumberOfResults($manticoreResult->getTotal()); |
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$endTime = \microtime(true); |
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$delta = $endTime - $startTime; |
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$delta = \round(1000*$delta)/1000; |
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$searchResults->setTime($delta); |
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return $searchResults; |
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} |
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/** @return array<string> */ |
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public function getAllFields(\Suilven\FreeTextSearch\Index $index): array |
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{ |
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$allFields = \array_merge( |
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$index->getFields(), |
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$index->getTokens(), |
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//$index->getHasManyFields(), |
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$index->getHasOneFields(), |
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$index->getStoredFields() |
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); |
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$hasManyFields = $index->getHasManyFields(); |
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foreach (\array_keys($hasManyFields) as $key) { |
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$allFields[] = $key; |
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} |
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return $allFields; |
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} |
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public function refactorKeyName(string $keyname): string |
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{ |
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// @todo This is a hack as $Title is rendering the ID in the template |
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if ($keyname === 'Title') { |
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$keyname = 'ResultTitle'; |
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} elseif ($keyname === 'link') { |
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$keyname = 'Link'; |
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}; |
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return $keyname; |
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} |
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/** @param array<string> $allFields */ |
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public function matchKey(string $key, array $allFields): string |
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{ |
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$keyname = $key; |
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foreach ($allFields as $field) { |
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if (\strtolower($field) === $key) { |
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$keyname = $field; |
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break; |
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} |
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} |
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return $keyname; |
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} |
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/** |
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* @param array<string> $allFields |
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* @param array<string, string|int|float|bool> $source |
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*/ |
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private function populateSearchResult(DataObject &$ssDataObject, array $allFields, array $source): void |
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{ |
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$keys = \array_keys($source); |
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foreach ($keys as $key) { |
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/** @var string $keyname */ |
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$keyname = $this->matchKey($key, $allFields); |
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$keyname = $this->refactorKeyName($keyname); |
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/** @phpstan-ignore-next-line */ |
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$ssDataObject->$keyname = $source[$key]; |
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} |
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} |
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/** |
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* @param array<string> $allFields |
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* @param array<array<string>> $highlights |
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* @param array<string> $fieldsToHighlight |
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*/ |
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private function addHighlights( |
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DataObject &$ssDataObject, |
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array $allFields, |
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array $highlights, |
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array $fieldsToHighlight |
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): void { |
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$highlightsSS = []; |
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$keys = \array_keys($highlights); |
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foreach ($keys as $key) { |
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if (!isset($highlights[$key]) || !\in_array($key, $fieldsToHighlight, true)) { |
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continue; |
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} |
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$keyname = $key; |
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foreach ($allFields as $field) { |
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if (\strtolower($field) === $key) { |
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$keyname = $field; |
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continue; |
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} |
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} |
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if ($key === 'link') { |
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$keyname = 'Link'; |
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} |
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$highlightsSS[$keyname] = $highlights[$key]; |
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} |
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/** @phpstan-ignore-next-line */ |
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$ssDataObject->Highlights = $highlightsSS; |
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} |
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} |
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gordonbanderson /
silverstripe-manticore-search
