BUGFIX: Fix nun working options due to miss match of ts and es

As TypoScript does not provide a way to configure key less options, we
use a comma separated list and explode them to stay compatible with
elasticsearch.

Classes/Connection/Elasticsearch/IndexFactory.php

@@ -24,6 +24,7 @@ use Codappix\SearchCore\Configuration\ConfigurationContainerInterface;
 use Codappix\SearchCore\Configuration\InvalidArgumentException;
 use Elastica\Exception\ResponseException;
 use TYPO3\CMS\Core\SingletonInterface as Singleton;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Extbase\Configuration\ConfigurationManagerInterface;
 
 /**
@@ -67,14 +68,41 @@ class IndexFactory implements Singleton
 
     /**
      * @param string $documentType
+     *
      * @return array
      */
     protected function getConfigurationFor($documentType)
     {
         try {
-            return $this->configuration->get('indexing.' . $documentType . '.index');
+            $configuration = $this->configuration->get('indexing.' . $documentType . '.index');
+
+            if (isset($configuration['analysis']['analyzer'])) {
+                foreach ($configuration['analysis']['analyzer'] as $key => $analyzer) {
+                    $configuration['analysis']['analyzer'][$key] = $this->prepareAnalyzerConfiguration($analyzer);
+                }
+            }
+
+            return $configuration;
         } catch (InvalidArgumentException $e) {
             return [];
         }
     }
+
+    /**
+     * @param array $analyzer
+     *
+     * @return array
+     */
+    protected function prepareAnalyzerConfiguration(array $analyzer)
+    {
+        $fieldsToExplode = ['char_filter', 'filter'];
+
+        foreach ($fieldsToExplode as $fieldToExplode) {
+            if (isset($analyzer[$fieldToExplode])) {
+                $analyzer[$fieldToExplode] = GeneralUtility::trimExplode(',', $analyzer[$fieldToExplode], true);
+            }
+        }
+
+        return $analyzer;
+    }
 }

Documentation/source/configuration.rst

@@ -201,13 +201,8 @@ options are available:
                     ngram4 {
                         type = custom
                         tokenizer = ngram4
-                        char_filter {
-                            html_strip
-                        }
-
-                        filter {
-                            lowercase
-                        }
+                        char_filter = html_strip
+                        filter = lowercase, asciifolding
                     }
                 }
 
@@ -221,6 +216,8 @@ options are available:
             }
         }
 
+    ``char_filter`` and ``filter`` are a comma separated list of options.
+
 .. _configuration_options_search:
 
 Searching

Tests/Unit/Connection/Elasticsearch/IndexFactoryTest.php

@@ -81,12 +81,8 @@ class IndexFactoryTest extends AbstractUnitTestCase
                     'ngram4' => [
                         'type' => 'custom',
                         'tokenizer' => 'ngram4',
-                        'char_filter' => [
-                            'html_strip',
-                        ],
-                        'filter' => [
-                            'lowercase',
-                        ],
+                        'char_filter' => 'html_strip',
+                        'filter' => 'lowercase, ,  asciifolding',
                     ],
                 ],
                 'tokenizer' => [
@@ -99,6 +95,10 @@ class IndexFactoryTest extends AbstractUnitTestCase
             ],
         ];
 
+        $expectedConfiguration = $configuration;
+        $expectedConfiguration['analysis']['analyzer']['ngram4']['char_filter'] = ['html_strip'];
+        $expectedConfiguration['analysis']['analyzer']['ngram4']['filter'] = ['lowercase', 'asciifolding'];
+
         $indexMock = $this->getMockBuilder(\Elastica\Index::class)
             ->disableOriginalConstructor()
             ->getMock();
@@ -107,7 +107,7 @@ class IndexFactoryTest extends AbstractUnitTestCase
             ->willReturn(false);
         $indexMock->expects($this->once())
             ->method('create')
-            ->with($configuration);
+            ->with($expectedConfiguration);
         $clientMock = $this->getMockBuilder(\Elastica\Client::class)
             ->disableOriginalConstructor()
             ->getMock();