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Made search more efficient and tweaked weighting

Browse Source 
Added per-entity weighting changes.
Now Books score higher than chapters which score higher than pages.

Reduced queries required on search by only searching once but at a
higher count to see if there's another page.
This commit is contained in:
Dan Brown
2018-03-24 18:46:31 +00:00
parent 3df7d828eb
commit f101c1a622
5 changed files with 22 additions and 10 deletions
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17
app/Services/SearchService.php
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@ -72,7 +72,6 @@ class SearchService
$terms = $this->parseSearchString($searchString);
$entityTypes = array_keys($this->entities);
$entityTypesToSearch = $entityTypes;
$results = collect();
if ($entityType !== 'all') {
$entityTypesToSearch = $entityType;
@ -80,21 +79,23 @@ class SearchService
$entityTypesToSearch = explode('|', $terms['filters']['type']);
}
$results = collect();
$total = 0;
foreach ($entityTypesToSearch as $entityType) {
if (!in_array($entityType, $entityTypes)) {
continue;
}
$search = $this->searchEntityTable($terms, $entityType, $page, $count);
$total += $this->searchEntityTable($terms, $entityType, $page, $count, true);
$search = $this->searchEntityTable($terms, $entityType, $page, $count + 1);
$total += $this->searchEntityTable($terms, $entityType, $page, $count + 1, true);
$results = $results->merge($search);
}
return [
'total' => $total,
'count' => count($results),
'results' => $results->sortByDesc('score')->values()
'has_more' => $results->count() > $count,
'results' => $results->sortByDesc('score')->slice(0, $count)->values()
];
}
@ -322,8 +323,8 @@ class SearchService
public function indexEntity(Entity $entity)
{
$this->deleteEntityTerms($entity);
$nameTerms = $this->generateTermArrayFromText($entity->name, 5);
$bodyTerms = $this->generateTermArrayFromText($entity->getText(), 1);
$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();
@ -340,8 +341,8 @@ class SearchService
{
$terms = [];
foreach ($entities as $entity) {
$nameTerms = $this->generateTermArrayFromText($entity->name, 5);
$bodyTerms = $this->generateTermArrayFromText($entity->getText(), 1);
$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();