feat: score sort clause

src/bundle/Resources/config/services.yml

@@ -54,9 +54,27 @@ services:
     tags:
     - {name: ezpublish.search.solr.query.content.criterion_visitor}
 
+  Novactive\EzSolrSearchExtra\Query\Content\CriterionVisitor\MultipleFieldsFullText:
+    tags:
+    - {name: ezpublish.search.solr.query.content.criterion_visitor}
+
   Novactive\EzSolrSearchExtra\Query\CriterionHandler\MultipleFieldsFullText:
     arguments:
       $dbHandler: "@ezpublish.api.storage_engine.legacy.dbhandler"
     tags:
     - {name: ezpublish.search.legacy.gateway.criterion_handler.content}
     - {name: ezpublish.search.legacy.gateway.criterion_handler.location}
+
+  Novactive\EzSolrSearchExtra\Query\SortClauseVisitor\Score:
+    tags:
+    - {name: ezpublish.search.solr.query.content.sort_clause_visitor}
+    - {name: ezpublish.search.solr.query.location.sort_clause_visitor}
+
+  Novactive\EzSolrSearchExtra\Query\SortClauseHandler\Score:
+    autowire: false
+    autoconfigure: false
+    public: false
+    parent: ezpublish.search.legacy.gateway.sort_clause_handler.base
+    tags:
+    - {name: ezpublish.search.legacy.gateway.sort_clause_handler.content}
+    - {name: ezpublish.search.legacy.gateway.sort_clause_handler.location}

src/lib/Query/SortClause/Score.php

@@ -0,0 +1,30 @@
+<?php
+/**
+ * NovaeZSolrSearchExtraBundle.
+ *
+ * @package   NovaeZSolrSearchExtraBundle
+ *
+ * @author    Novactive <f.alexandre@novactive.com>
+ * @copyright 2018 Novactive
+ * @license   https://github.com/Novactive/NovaeZSolrSearchExtraBundle/blob/master/LICENSE
+ */
+
+namespace Novactive\EzSolrSearchExtra\Query\SortClause;
+
+use eZ\Publish\API\Repository\Values\Content\Query\SortClause;
+
+/**
+ * Class Score.
+ */
+class Score extends SortClause
+{
+    /**
+     * Constructs a new Score SortClause.
+     *
+     * @param string $sortDirection
+     */
+    public function __construct($sortDirection = Query::SORT_ASC)
+    {
+        parent::__construct('score', $sortDirection);
+    }
+}

src/lib/Query/SortClauseHandler/Score.php

@@ -0,0 +1,39 @@
+<?php
+/**
+ * NovaeZSolrSearchExtraBundle.
+ *
+ * @package   NovaeZSolrSearchExtraBundle
+ *
+ * @author    Novactive <f.alexandre@novactive.com>
+ * @copyright 2018 Novactive
+ * @license   https://github.com/Novactive/NovaeZSolrSearchExtraBundle/blob/master/LICENSE
+ */
+
+namespace Novactive\EzSolrSearchExtra\Query\SortClauseHandler;
+
+use eZ\Publish\API\Repository\Values\Content\Query\SortClause as APISortClause;
+use eZ\Publish\Core\Persistence\Database\SelectQuery;
+use eZ\Publish\Core\Search\Legacy\Content\Common\Gateway\SortClauseHandler;
+use Novactive\EzSolrSearchExtra\Query\SortClause;
+
+/**
+ * Class Score.
+ */
+class Score extends SortClauseHandler
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function accept(APISortClause $sortClause)
+    {
+        return $sortClause instanceof SortClause\Score;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function applySelect(SelectQuery $query, APISortClause $sortClause, $number)
+    {
+        return null;
+    }
+}

src/lib/Query/SortClauseVisitor/Score.php

@@ -0,0 +1,46 @@
+<?php
+/**
+ * NovaeZSolrSearchExtraBundle.
+ *
+ * @package   NovaeZSolrSearchExtraBundle
+ *
+ * @author    Novactive <f.alexandre@novactive.com>
+ * @copyright 2018 Novactive
+ * @license   https://github.com/Novactive/NovaeZSolrSearchExtraBundle/blob/master/LICENSE
+ */
+
+namespace Novactive\EzSolrSearchExtra\Query\SortClauseVisitor;
+
+use eZ\Publish\API\Repository\Values\Content\Query\SortClause as APISortClause;
+use EzSystems\EzPlatformSolrSearchEngine\Query\SortClauseVisitor;
+use Novactive\EzSolrSearchExtra\Query\SortClause;
+
+/**
+ * Class Score.
+ */
+class Score extends SortClauseVisitor
+{
+    /**
+     * Check if visitor is applicable to current sortClause.
+     *
+     * @param APISortClause $sortClause
+     *
+     * @return bool
+     */
+    public function canVisit(APISortClause $sortClause)
+    {
+        return $sortClause instanceof SortClause\Score;
+    }
+
+    /**
+     * Map field value to a proper Solr representation.
+     *
+     * @param APISortClause $sortClause
+     *
+     * @return string
+     */
+    public function visit(APISortClause $sortClause)
+    {
+        return 'score' . $this->getDirection($sortClause);
+    }
+}