1 files changed, 57 insertions, 0 deletions
diff --git a/www/wiki/extensions/SemanticMediaWiki/src/Elastic/QueryEngine/DescriptionInterpreters/NamespaceDescriptionInterpreter.php b/www/wiki/extensions/SemanticMediaWiki/src/Elastic/QueryEngine/DescriptionInterpreters/NamespaceDescriptionInterpreter.php
new file mode 100644
index 00000000..480d2680
--- /dev/null
+++ b/www/wiki/extensions/SemanticMediaWiki/src/Elastic/QueryEngine/DescriptionInterpreters/NamespaceDescriptionInterpreter.php
@@ -0,0 +1,57 @@
+<?php
+
+namespace SMW\Elastic\QueryEngine\DescriptionInterpreters;
+
+use SMW\Elastic\QueryEngine\ConditionBuilder;
+use SMW\Query\Language\NamespaceDescription;
+
+/**
+ * @license GNU GPL v2+
+ * @since 3.0
+ *
+ * @author mwjames
+ */
+class NamespaceDescriptionInterpreter {
+
+	/**
+	 * @var ConditionBuilder
+	 */
+	private $conditionBuilder;
+
+	/**
+	 * @since 3.0
+	 *
+	 * @param ConditionBuilder $conditionBuilder
+	 */
+	public function __construct( ConditionBuilder $conditionBuilder ) {
+		$this->conditionBuilder = $conditionBuilder;
+	}
+
+	/**
+	 * @since 3.0
+	 *
+	 * @param NamespaceDescription $description
+	 *
+	 * @return Condition
+	 */
+	public function interpretDescription( NamespaceDescription $description, $isConjunction = false ) {
+
+		$params = [];
+		$fieldMapper = $this->conditionBuilder->getFieldMapper();
+
+		$namespace = $description->getNamespace();
+		$params = $fieldMapper->term( 'subject.namespace', $namespace );
+
+		$condition = $this->conditionBuilder->newCondition( $params );
+		$condition->type( '' );
+
+		if ( !$isConjunction ) {
+			$condition->type( 'filter' );
+		}
+
+		$condition->log( [ 'NamespaceDescription' => $description->getQueryString() ] );
+
+		return $condition;
+	}
+
+}