Finish refactoring mapping creation

lib/Alchemy/Phrasea/SearchEngine/Elastic/Mapping/FieldToFieldMappingConverter.php

@@ -0,0 +1,42 @@
+<?php
+
+/*
+ * This file is part of phrasea-4.0.
+ *
+ * (c) Alchemy <info@alchemy.fr>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\SearchEngine\Elastic\Mapping;
+
+use Alchemy\Phrasea\SearchEngine\Elastic\FieldMapping;
+use Alchemy\Phrasea\SearchEngine\Elastic\Structure\Field;
+
+class FieldToFieldMappingConverter
+{
+
+    public function convertField(Field $field, array $locales)
+    {
+        if ($field->getType() === FieldMapping::TYPE_DATE) {
+            return new DateFieldMapping($field->getName(), FieldMapping::DATE_FORMAT_CAPTION);
+        }
+
+        if ($field->getType() === FieldMapping::TYPE_STRING) {
+            $fieldMapping = new StringFieldMapping($field->getName());
+
+            if (! $field->isFacet() && ! $field->isSearchable()) {
+                $fieldMapping->disableIndexing();
+            } else {
+                $fieldMapping->addChild((new StringFieldMapping('raw'))->enableRawIndexing());
+                $fieldMapping->addAnalyzedChildren($locales);
+                $fieldMapping->enableTermVectors(true);
+            }
+
+            return $fieldMapping;
+        }
+
+        return new FieldMapping($field->getName(), $field->getType());
+    }
+}