1 files changed, 59 insertions, 0 deletions
diff --git a/www/wiki/extensions/SemanticMediaWiki/src/Elastic/QueryEngine/DescriptionInterpreters/ConjunctionInterpreter.php b/www/wiki/extensions/SemanticMediaWiki/src/Elastic/QueryEngine/DescriptionInterpreters/ConjunctionInterpreter.php
new file mode 100644
index 00000000..27742e32
--- /dev/null
+++ b/www/wiki/extensions/SemanticMediaWiki/src/Elastic/QueryEngine/DescriptionInterpreters/ConjunctionInterpreter.php
@@ -0,0 +1,59 @@
+<?php
+
+namespace SMW\Elastic\QueryEngine\DescriptionInterpreters;
+
+use SMW\Elastic\QueryEngine\ConditionBuilder;
+use SMW\Elastic\QueryEngine\Condition;
+use SMW\Query\Language\Conjunction;
+
+/**
+ * @license GNU GPL v2+
+ * @since 3.0
+ *
+ * @author mwjames
+ */
+class ConjunctionInterpreter {
+
+	/**
+	 * @var ConditionBuilder
+	 */
+	private $conditionBuilder;
+
+	/**
+	 * @since 3.0
+	 *
+	 * @param ConditionBuilder $conditionBuilder
+	 */
+	public function __construct( ConditionBuilder $conditionBuilder ) {
+		$this->conditionBuilder = $conditionBuilder;
+	}
+
+	/**
+	 * @since 3.0
+	 *
+	 * @param Conjunction $description
+	 *
+	 * @return Condition
+	 */
+	public function interpretDescription( Conjunction $description ) {
+
+		$params = [];
+
+		foreach ( $description->getDescriptions() as $desc ) {
+			if ( ( $cond = $this->conditionBuilder->interpretDescription( $desc, true ) ) instanceof Condition ) {
+				$params[] = $cond;
+			}
+		}
+
+		if ( $params === [] ) {
+			return [];
+		}
+
+		$condition = $this->conditionBuilder->newCondition( $params );
+		$condition->type( Condition::TYPE_MUST );
+		$condition->log( [ 'Conjunction' => $description->getQueryString() ] );
+
+		return $condition;
+	}
+
+}