Refactor thesaurus query build

- Look for text nodes and infer the concepts behind term using thesaurus
- Use value objects for thesaurus terms and concepts
- Pass a QueryContext holding allowed fields and locales informations when building the Elasticsearch query
- Change type hinting and name of query building method on nodes
- Remove unused method Node#isFullTextOnly()
- Move getFieldsStructure from RecordIndexer to RecordHelper for reusing field structure in SearchEngine

lib/Alchemy/Phrasea/Core/Provider/SearchEngineServiceProvider.php

@@ -18,6 +18,7 @@ use Alchemy\Phrasea\SearchEngine\Elastic\ElasticSearchEngine;
 use Alchemy\Phrasea\SearchEngine\Elastic\Indexer;
 use Alchemy\Phrasea\SearchEngine\Elastic\Indexer\RecordIndexer;
 use Alchemy\Phrasea\SearchEngine\Elastic\Indexer\TermIndexer;
+use Alchemy\Phrasea\SearchEngine\Elastic\RecordHelper;
 use Alchemy\Phrasea\SearchEngine\Elastic\Search\QueryParser;
 use Alchemy\Phrasea\SearchEngine\Elastic\Thesaurus;
 use Alchemy\Phrasea\SearchEngine\Phrasea\PhraseaEngine;
@@ -87,6 +88,7 @@ class SearchEngineServiceProvider implements ServiceProviderInterface
 
         $app['elasticsearch.indexer.record_indexer'] = $app->share(function ($app) {
             return new RecordIndexer(
+                $app['elasticsearch.record_helper'],
                 $app['thesaurus'],
                 $app['elasticsearch.engine'],
                 $app['phraseanet.appbox'],
@@ -94,6 +96,10 @@ class SearchEngineServiceProvider implements ServiceProviderInterface
             );
         });
 
+        $app['elasticsearch.record_helper'] = $app->share(function ($app) {
+            return new RecordHelper($app['phraseanet.appbox']);
+        });
+
         $app['elasticsearch.client'] = $app->share(function($app) {
             $options        = $app['elasticsearch.options'];
             $clientParams   = ['hosts' => [sprintf('%s:%s', $options['host'], $options['port'])]];