[!!!][FEATURE] Remap specific document type's to ES6 identifiers

Multiple types are not allowed any more in ES6. Refactored to use document type and custom
identifier to still create different 'types'.

See: https://www.elastic.co/guide/en/elasticsearch/reference/6.x/removal-of-types.html

Classes/Command/IndexCommandController.php

@@ -23,6 +23,7 @@ namespace Codappix\SearchCore\Command;
 
 use Codappix\SearchCore\Domain\Index\IndexerFactory;
 use Codappix\SearchCore\Domain\Index\NoMatchingIndexerException;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Extbase\Mvc\Controller\CommandController;
 
 /**
@@ -52,12 +53,17 @@ class IndexCommandController extends CommandController
      */
     public function indexCommand(string $identifier)
     {
-        try {
-            $this->indexerFactory->getIndexer($identifier)->indexAllDocuments();
-            $this->outputLine($identifier . ' was indexed.');
-        } catch (NoMatchingIndexerException $e) {
-            $this->outputLine('No indexer found for: ' . $identifier);
+        // Allow multiple identifiers per import task
+        $identifiers = GeneralUtility::trimExplode(',', $identifier, true);
+        foreach ($identifiers as $value) {
+            try {
+                $this->indexerFactory->getIndexer($value)->indexAllDocuments();
+                $this->outputLine($value . ' was indexed.');
+            } catch (NoMatchingIndexerException $e) {
+                $this->outputLine('No indexer found for: ' . $value);
+            }
         }
+
     }
 
     /**
@@ -68,11 +74,15 @@ class IndexCommandController extends CommandController
      */
     public function deleteCommand(string $identifier)
     {
-        try {
-            $this->indexerFactory->getIndexer($identifier)->delete();
-            $this->outputLine($identifier . ' was deleted.');
-        } catch (NoMatchingIndexerException $e) {
-            $this->outputLine('No indexer found for: ' . $identifier);
+        // Allow multiple identifiers per import task
+        $identifiers = GeneralUtility::trimExplode(',', $identifier, true);
+        foreach ($identifiers as $value) {
+            try {
+                $this->indexerFactory->getIndexer($value)->delete();
+                $this->outputLine($value . ' was deleted.');
+            } catch (NoMatchingIndexerException $e) {
+                $this->outputLine('No indexer found for: ' . $value);
+            }
         }
     }
 }

Classes/Connection/ConnectionInterface.php

@@ -21,6 +21,8 @@ namespace Codappix\SearchCore\Connection;
  * 02110-1301, USA.
  */
 
+use Elastica\Query;
+
 /**
  * Defines interface for connections to storage backend for interacting with documents.
  */
@@ -77,8 +79,15 @@ interface ConnectionInterface
     /**
      * Will delete the whole index / db.
      *
-     * @param string $documentType
      * @return void
      */
-    public function deleteIndex(string $documentType);
+    public function deleteIndex();
+
+    /**
+     * Will delete the index / db of defined document type.
+     *
+     * @param Query $query
+     * @return void
+     */
+    public function deleteIndexByQuery(Query $query);
 }

Classes/Connection/Elasticsearch.php

@@ -23,8 +23,10 @@ namespace Codappix\SearchCore\Connection;
 
 use Codappix\SearchCore\Connection\Elasticsearch\SearchResult;
 use Codappix\SearchCore\Domain\Search\QueryFactory;
+use Elastica\Query;
 use TYPO3\CMS\Core\SingletonInterface as Singleton;
 use TYPO3\CMS\Extbase\Object\ObjectManagerInterface;
+use TYPO3\CMS\Extbase\Utility\DebuggerUtility;
 
 /**
  * Outer wrapper to elasticsearch.
@@ -121,8 +123,8 @@ class Elasticsearch implements Singleton, ConnectionInterface
     {
         $this->withType(
             $documentType,
-            function ($type) use ($document) {
-                $type->addDocument($this->documentFactory->getDocument($type->getName(), $document));
+            function ($type) use ($documentType, $document) {
+                $type->addDocument($this->documentFactory->getDocument($documentType, $document));
             }
         );
     }
@@ -156,8 +158,8 @@ class Elasticsearch implements Singleton, ConnectionInterface
     {
         $this->withType(
             $documentType,
-            function ($type) use ($document) {
-                $type->updateDocument($this->documentFactory->getDocument($type->getName(), $document));
+            function ($type) use ($documentType, $document) {
+                $type->updateDocument($this->documentFactory->getDocument($documentType, $document));
             }
         );
     }
@@ -170,23 +172,23 @@ class Elasticsearch implements Singleton, ConnectionInterface
     {
         $this->withType(
             $documentType,
-            function ($type) use ($documents) {
-                $type->addDocuments($this->documentFactory->getDocuments($type->getName(), $documents));
+            function ($type) use ($documentType, $documents) {
+                $type->addDocuments($this->documentFactory->getDocuments($documentType, $documents));
             }
         );
     }
 
     /**
-     * @param string $documentType
+     * @return void
      */
-    public function deleteIndex(string $documentType)
+    public function deleteIndex()
     {
         $index = $this->connection->getClient()->getIndex($this->indexFactory->getIndexName());
 
         if (!$index->exists()) {
             $this->logger->notice(
                 'Index did not exist, therefore was not deleted.',
-                [$documentType, $this->indexFactory->getIndexName()]
+                [$this->indexFactory->getIndexName()]
             );
             return;
         }
@@ -194,6 +196,24 @@ class Elasticsearch implements Singleton, ConnectionInterface
         $index->delete();
     }
 
+    /**
+     * @param Query $query
+     * @return void
+     */
+    public function deleteIndexByQuery(Query $query)
+    {
+        $index = $this->connection->getClient()->getIndex($this->indexFactory->getIndexName());
+        if (!$index->exists()) {
+            $this->logger->notice(
+                'Index did not exist, therefore items can not be deleted by query.',
+                [$this->indexFactory->getIndexName(), $query->getQuery()]
+            );
+            return;
+        }
+
+        $index->deleteByQuery($query);
+    }
+
     /**
      * Execute given callback with Elastica Type based on provided documentType
      *
@@ -202,7 +222,7 @@ class Elasticsearch implements Singleton, ConnectionInterface
      */
     protected function withType(string $documentType, callable $callback)
     {
-        $type = $this->getType($documentType);
+        $type = $this->getType();
         // TODO: Check whether it's to heavy to send it so often e.g. for every single document.
         // Perhaps add command controller to submit mapping?!
         // Also it's not possible to change mapping without deleting index first.
@@ -230,17 +250,16 @@ class Elasticsearch implements Singleton, ConnectionInterface
     }
 
     /**
-     * @param string $documentType
      * @return \Elastica\Type
      */
-    protected function getType(string $documentType): \Elastica\Type
+    protected function getType(): \Elastica\Type
     {
         return $this->typeFactory->getType(
             $this->indexFactory->getIndex(
                 $this->connection,
-                $documentType
+                'document'
             ),
-            $documentType
+            'document'
         );
     }
 }

Classes/Connection/Elasticsearch/DocumentFactory.php

@@ -60,7 +60,6 @@ class DocumentFactory implements Singleton
         }
 
         $identifier = $document['search_identifier'];
-        unset($document['search_identifier']);
 
         $this->logger->debug(
             sprintf('Convert %s %u to document.', $documentType, $identifier),

Classes/Domain/Index/AbstractIndexer.php

@@ -24,6 +24,7 @@ namespace Codappix\SearchCore\Domain\Index;
 use Codappix\SearchCore\Configuration\ConfigurationContainerInterface;
 use Codappix\SearchCore\Configuration\InvalidArgumentException;
 use Codappix\SearchCore\Connection\ConnectionInterface;
+use Elastica\Query;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
 
 abstract class AbstractIndexer implements IndexerInterface
@@ -130,7 +131,13 @@ abstract class AbstractIndexer implements IndexerInterface
     public function delete()
     {
         $this->logger->info('Start deletion of index.');
-        $this->connection->deleteIndex($this->getDocumentName());
+        $this->connection->deleteIndexByQuery(Query::create([
+            'query' => [
+                'regexp' => [
+                    'search_identifier' => $this->getDocumentName() . '-*'
+                ]
+            ]
+        ]));
         $this->logger->info('Finish deletion.');
     }
 
@@ -161,10 +168,21 @@ abstract class AbstractIndexer implements IndexerInterface
         } catch (InvalidArgumentException $e) {
             // Nothing to do.
         }
-
+        $this->generateSearchIdentifier($record);
         $this->handleAbstract($record);
     }
 
+    /**
+     * @param array $record
+     * @return void
+     */
+    protected function generateSearchIdentifier(array &$record)
+    {
+        if (!isset($record['search_identifier']) && isset($record['uid'])) {
+            $record['search_identifier'] = $this->getDocumentName() . '-' . $record['uid'];
+        }
+    }
+
     /**
      * @param array $record
      * @return void

Classes/Domain/Index/TcaIndexer/TcaTableService.php

@@ -168,9 +168,6 @@ class TcaTableService implements TcaTableServiceInterface
      */
     public function prepareRecord(array &$record)
     {
-        if (isset($record['uid']) && !isset($record['search_identifier'])) {
-            $record['search_identifier'] = $record['uid'];
-        }
         if (isset($record[$this->tca['ctrl']['label']]) && !isset($record['search_title'])) {
             $record['search_title'] = $record[$this->tca['ctrl']['label']];
         }