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Refactored search indexer, Increase title/name score boost

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- Title score boost changed from 5 to 40 (8x increase).
- Extracted entity parsing to its own function
This commit is contained in:
Dan Brown 2021-11-11 13:36:49 +00:00
parent 0ddd052818
commit 9f32613982
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GPG Key ID: 46D9F943C24A2EF9
1 changed files with 29 additions and 23 deletions
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52
app/Entities/Tools/SearchIndex.php
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@ -9,19 +9,14 @@ use Illuminate\Support\Collection;
class SearchIndex
{
/**
* @var SearchTerm
*/
protected $searchTerm;
/**
* @var EntityProvider
*/
protected $entityProvider;
public function __construct(SearchTerm $searchTerm, EntityProvider $entityProvider)
public function __construct(EntityProvider $entityProvider)
{
$this->searchTerm = $searchTerm;
$this->entityProvider = $entityProvider;
}
@ -31,14 +26,8 @@ class SearchIndex
public function indexEntity(Entity $entity)
{
$this->deleteEntityTerms($entity);
$nameTerms = $this->generateTermArrayFromText($entity->name, 5 * $entity->searchFactor);
$bodyTerms = $this->generateTermArrayFromText($entity->getText(), 1 * $entity->searchFactor);
$terms = array_merge($nameTerms, $bodyTerms);
foreach ($terms as $index => $term) {
$terms[$index]['entity_type'] = $entity->getMorphClass();
$terms[$index]['entity_id'] = $entity->id;
}
$this->searchTerm->newQuery()->insert($terms);
$terms = $this->entityToTermDataArray($entity);
SearchTerm::query()->insert($terms);
}
/**
@ -50,18 +39,13 @@ class SearchIndex
{
$terms = [];
foreach ($entities as $entity) {
$nameTerms = $this->generateTermArrayFromText($entity->name, 5 * $entity->searchFactor);
$bodyTerms = $this->generateTermArrayFromText($entity->getText(), 1 * $entity->searchFactor);
foreach (array_merge($nameTerms, $bodyTerms) as $term) {
$term['entity_id'] = $entity->id;
$term['entity_type'] = $entity->getMorphClass();
$terms[] = $term;
}
$entityTerms = $this->entityToTermDataArray($entity);
array_push($terms, ...$entityTerms);
}
$chunkedTerms = array_chunk($terms, 500);
foreach ($chunkedTerms as $termChunk) {
$this->searchTerm->newQuery()->insert($termChunk);
SearchTerm::query()->insert($termChunk);
}
}
@ -70,7 +54,7 @@ class SearchIndex
*/
public function indexAllEntities()
{
$this->searchTerm->newQuery()->truncate();
SearchTerm::query()->truncate();
foreach ($this->entityProvider->all() as $entityModel) {
$selectFields = ['id', 'name', $entityModel->textField];
@ -93,6 +77,8 @@ class SearchIndex
/**
* Create a scored term array from the given text.
*
* @returns array{term: string, score: float}
*/
protected function generateTermArrayFromText(string $text, int $scoreAdjustment = 1): array
{
@ -118,4 +104,24 @@ class SearchIndex
return $terms;
}
/**
* For the given entity, Generate an array of term data details.
* Is the raw term data, not instances of SearchTerm models.
*
* @returns array{term: string, score: float}[]
*/
protected function entityToTermDataArray(Entity $entity): array
{
$nameTerms = $this->generateTermArrayFromText($entity->name, 40 * $entity->searchFactor);
$bodyTerms = $this->generateTermArrayFromText($entity->getText(), 1 * $entity->searchFactor);
$termData = array_merge($nameTerms, $bodyTerms);
foreach ($termData as $index => $term) {
$termData[$index]['entity_type'] = $entity->getMorphClass();
$termData[$index]['entity_id'] = $entity->id;
}
return $termData;
}
}