Spameri
diff --git a/‎doc/02-query-objects.md‎
Lines changed: 13 additions & 0 deletions b/‎doc/02-query-objects.md‎
Lines changed: 13 additions & 0 deletions
diff --git a/‎src/Query/ConstantScore.php‎
Lines changed: 40 additions & 0 deletions b/‎src/Query/ConstantScore.php‎
Lines changed: 40 additions & 0 deletions
diff --git a/‎tests/SpameriTests/ElasticQuery/Query/ConstantScore.phpt‎
Lines changed: 63 additions & 0 deletions b/‎tests/SpameriTests/ElasticQuery/Query/ConstantScore.phpt‎
Lines changed: 63 additions & 0 deletions
@@ -297,6 +297,19 @@ new \Spameri\ElasticQuery\Query\WildCard(
 
 Wrap other queries to combine, filter, or modify their scoring.
 
+##### ConstantScore Query
+Wraps a filter so all matching docs share the same score.
+- Class: `\Spameri\ElasticQuery\Query\ConstantScore`
+- [Documentation](https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-constant-score-query.html)
+- [Implementation](https://github.com/Spameri/ElasticQuery/blob/master/src/Query/ConstantScore.php)
+
+```php
+new \Spameri\ElasticQuery\Query\ConstantScore(
+	filter: new \Spameri\ElasticQuery\Query\Term('status', 'active'),
+	boost: 1.2,
+);
+```
+
 ##### Boosting Query
 Match `positive` docs but lower the score of `negative` matches.
 - Class: `\Spameri\ElasticQuery\Query\Boosting`
 
@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types = 1);
+
+namespace Spameri\ElasticQuery\Query;
+
+/**
+ * @see https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-constant-score-query.html
+ */
+class ConstantScore implements \Spameri\ElasticQuery\Query\LeafQueryInterface
+{
+
+	public function __construct(
+		private \Spameri\ElasticQuery\Query\LeafQueryInterface $filter,
+		private float $boost = 1.0,
+	)
+	{
+	}
+
+
+	public function key(): string
+	{
+		return 'constant_score_' . $this->filter->key();
+	}
+
+
+	/**
+	 * @return array<string, array<string, mixed>>
+	 */
+	public function toArray(): array
+	{
+		return [
+			'constant_score' => [
+				'filter' => $this->filter->toArray(),
+				'boost' => $this->boost,
+			],
+		];
+	}
+
+}
@@ -0,0 +1,63 @@
+<?php declare(strict_types = 1);
+
+namespace SpameriTests\ElasticQuery\Query;
+
+require_once __DIR__ . '/../../bootstrap.php';
+
+
+class ConstantScore extends \Tester\TestCase
+{
+
+	private const INDEX = 'spameri_test_query_constant_score';
+
+
+	public function setUp(): void
+	{
+		$ch = \curl_init();
+		\curl_setopt($ch, \CURLOPT_URL, \ELASTICSEARCH_HOST . '/' . self::INDEX);
+		\curl_setopt($ch, \CURLOPT_RETURNTRANSFER, 1);
+		\curl_setopt($ch, \CURLOPT_CUSTOMREQUEST, 'PUT');
+		\curl_setopt($ch, \CURLOPT_HTTPHEADER, ['Content-Type: application/json']);
+
+		\curl_exec($ch);
+	}
+
+
+	public function testToArray(): void
+	{
+		$cs = new \Spameri\ElasticQuery\Query\ConstantScore(
+			filter: new \Spameri\ElasticQuery\Query\Term('status', 'active'),
+			boost: 1.2,
+		);
+
+		$array = $cs->toArray();
+
+		\Tester\Assert::same(1.2, $array['constant_score']['boost']);
+		\Tester\Assert::same('active', $array['constant_score']['filter']['term']['status']['value']);
+	}
+
+
+	public function testKey(): void
+	{
+		$cs = new \Spameri\ElasticQuery\Query\ConstantScore(
+			new \Spameri\ElasticQuery\Query\Term('status', 'active'),
+		);
+
+		\Tester\Assert::same('constant_score_term_status_active', $cs->key());
+	}
+
+
+	public function tearDown(): void
+	{
+		$ch = \curl_init();
+		\curl_setopt($ch, \CURLOPT_URL, \ELASTICSEARCH_HOST . '/' . self::INDEX);
+		\curl_setopt($ch, \CURLOPT_RETURNTRANSFER, 1);
+		\curl_setopt($ch, \CURLOPT_CUSTOMREQUEST, 'DELETE');
+		\curl_setopt($ch, \CURLOPT_HTTPHEADER, ['Content-Type: application/json']);
+
+		\curl_exec($ch);
+	}
+
+}
+
+(new ConstantScore())->run();