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<?php declare(strict_types = 1); |
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// @phpcs:disable SlevomatCodingStandard.ControlStructures.EarlyExit.EarlyExitNotUsed |
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namespace Suilven\FreeTextSearch; |
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use SilverStripe\Core\Config\Config; |
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/** |
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* Class Indexes |
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* |
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* @package Suilven\FreeTextSearch |
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*/ |
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class Indexes |
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{ |
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/** @var array<string, \Suilven\FreeTextSearch\Index> */ |
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private $indexesByName = []; |
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/** |
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* Get an Index object by name from the config |
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*/ |
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public function getIndex(string $name): Index |
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{ |
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if ($this->indexesByName === []) { |
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$this->getIndexes(); |
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} |
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return $this->indexesByName[$name]; |
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} |
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/** |
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* Get indexes from config |
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* |
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* @return array<string, \Suilven\FreeTextSearch\Index> ClassName -> Index |
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*/ |
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public function getIndexes(): array |
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{ |
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$indexesConfig = Config::inst()->get('Suilven\FreeTextSearch\Indexes', 'indexes') ; |
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// reset |
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$this->indexesByName = []; |
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foreach ($indexesConfig as $indexConfig) { |
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$name = $indexConfig['index']['name']; |
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$indexAlreadyExists = isset($this->indexesByName[$name]); |
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// get the existing index, to tweak, or create a new one |
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$index = $indexAlreadyExists |
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? $this->indexesByName[$name] |
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: new Index(); |
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$index->setName($name); |
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if (isset($indexConfig['index']['class'])) { |
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$index->setClass($indexConfig['index']['class']); |
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} |
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if (isset($indexConfig['index']['fields'])) { |
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foreach ($indexConfig['index']['fields'] as $fieldname) { |
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$index->addField($fieldname); |
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} |
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} |
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if (isset($indexConfig['index']['tokens'])) { |
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foreach ($indexConfig['index']['tokens'] as $token) { |
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$index->addToken($token); |
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} |
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} |
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// has one fields |
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$singleton = \singleton($index->getClass()); |
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if (isset($indexConfig['index']['has_one'])) { |
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foreach ($indexConfig['index']['has_one'] as $hasOneField) { |
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$relationship = $hasOneField['relationship']; |
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// @phpstan-ignore-next-line |
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$singletonOfRel = \call_user_func(array($singleton, $relationship)); |
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$index->addHasOneField($hasOneField['name'], [ |
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'relationship' => $relationship, |
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'field' => $hasOneField['field'], |
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'class' => $singletonOfRel->ClassName, |
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]); |
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} |
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} |
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// has many fields |
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// NB many many may need to be treated as bipartisan has many |
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if (isset($indexConfig['index']['has_many'])) { |
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foreach ($indexConfig['index']['has_many'] as $hasOneField) { |
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$relationship = $hasOneField['relationship']; |
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// @phpstan-ignore-next-line |
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$singletonOfRel = \call_user_func(array($singleton, $relationship)); |
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$index->addHasManyField($hasOneField['name'], [ |
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'relationship' => $relationship, |
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'field' => $hasOneField['field'], |
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'class' => $singletonOfRel->dataClass(), |
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]); |
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} |
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} |
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// fields that will be used for highlighting |
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if (isset($indexConfig['index']['highlighted_fields'])) { |
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foreach ($indexConfig['index']['highlighted_fields'] as $highlightedField) { |
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$index->addHighlightedField($highlightedField); |
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} |
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} |
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// fields that will be used for storage, but not indexed |
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if (isset($indexConfig['index']['stored_fields'])) { |
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foreach ($indexConfig['index']['stored_fields'] as $storedField) { |
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$index->addStoredField($storedField); |
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} |
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} |
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// tokenizer |
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if (isset($indexConfig['index']['tokenizer'])) { |
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$index->setTokenizer($indexConfig['index']['tokenizer']); |
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} |
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$this->indexesByName[$index->getName()] = $index; |
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} |
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return $this->indexesByName; |
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} |
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/** @return array<string> An array of facet fields, such as ['ISO', 'Aperture', 'ShutterSpeed'] */ |
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public function getFacetFields(string $indexName): array |
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{ |
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$indexesConfig = Config::inst()->get('Suilven\FreeTextSearch\Indexes', 'indexes'); |
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$result = []; |
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foreach ($indexesConfig as $indexConfig) { |
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$name = ($indexConfig['index']['name']); |
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if ($name !== $indexName) { |
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continue; |
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} |
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if (isset($indexConfig['index']['tokens'])) { |
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foreach ($indexConfig['index']['tokens'] as $token) { |
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$result[] = $token; |
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} |
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} |
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if (isset($indexConfig['index']['has_one'])) { |
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foreach ($indexConfig['index']['has_one'] as $hasOneField) { |
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$result[] = $hasOneField['name']; |
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} |
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} |
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} |
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return $result; |
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} |
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/** @return array<string> */ |
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public function getHasOneFields(string $indexName): array |
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{ |
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$indexesConfig = Config::inst()->get('Suilven\FreeTextSearch\Indexes', 'indexes'); |
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$result = []; |
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foreach ($indexesConfig as $indexConfig) { |
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$name = ($indexConfig['index']['name']); |
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if ($name !== $indexName) { |
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continue; |
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} |
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if (isset($indexConfig['index']['has_one'])) { |
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foreach ($indexConfig['index']['has_one'] as $hasOne) { |
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$result[] = $hasOne; |
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} |
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} |
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} |
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return $result; |
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} |
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/** @return array<int,array<string,string>> */ |
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public function getHasManyFields(string $indexName): array |
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{ |
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$indexesConfig = Config::inst()->get('Suilven\FreeTextSearch\Indexes', 'indexes'); |
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$result = []; |
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foreach ($indexesConfig as $indexConfig) { |
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$name = ($indexConfig['index']['name']); |
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if ($name !== $indexName) { |
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continue; |
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} |
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if (isset($indexConfig['index']['has_many'])) { |
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/** @var array<string,string> $hasManyField */ |
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foreach ($indexConfig['index']['has_many'] as $hasManyField) { |
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$result[] = $hasManyField; |
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} |
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} |
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} |
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return $result; |
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} |
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} |
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gordonbanderson /
freetextsearch
