FEATURE: Add filter to search

* Allow to filter results by field values.

.travis.yml

@@ -53,7 +53,9 @@ services:
 
 install: make install
 
-script: make functionalTests
+script:
+  - make unitTests
+  - make functionalTests
 
 after_script:
   - make uploadCodeCoverage

Classes/Connection/Elasticsearch.php

@@ -21,6 +21,7 @@ namespace Leonmrni\SearchCore\Connection;
  */
 
 use TYPO3\CMS\Core\SingletonInterface as Singleton;
+use Leonmrni\SearchCore\Domain\Search\QueryFactory;
 
 /**
  * Outer wrapper to elasticsearch.
@@ -47,6 +48,11 @@ class Elasticsearch implements Singleton, ConnectionInterface
      */
     protected $documentFactory;
 
+    /**
+     * @var QueryFactory
+     */
+    protected $queryFactory;
+
     /**
      * @var \TYPO3\CMS\Core\Log\Logger
      */
@@ -67,17 +73,20 @@ class Elasticsearch implements Singleton, ConnectionInterface
      * @param Elasticsearch\IndexFactory $indexFactory
      * @param Elasticsearch\TypeFactory $typeFactory
      * @param Elasticsearch\DocumentFactory $documentFactory
+     * @param QueryFactory $queryFactory
      */
     public function __construct(
         Elasticsearch\Connection $connection,
         Elasticsearch\IndexFactory $indexFactory,
         Elasticsearch\TypeFactory $typeFactory,
-        Elasticsearch\DocumentFactory $documentFactory
+        Elasticsearch\DocumentFactory $documentFactory,
+        QueryFactory $queryFactory
     ) {
         $this->connection = $connection;
         $this->indexFactory = $indexFactory;
         $this->typeFactory = $typeFactory;
         $this->documentFactory = $documentFactory;
+        $this->queryFactory = $queryFactory;
     }
 
     public function addDocument($documentType, array $document)
@@ -146,32 +155,10 @@ class Elasticsearch implements Singleton, ConnectionInterface
     {
         $this->logger->debug('Search for', [$searchRequest->getSearchTerm()]);
 
-        $query = [
-            'bool' => [
-                'must' => [
-                    [
-                        'match' => [
-                            '_all' => $searchRequest->getSearchTerm()
-                        ],
-                    ],
-                ],
-            ],
-        ];
-
-        if ($searchRequest->hasFilter()) {
-            $queryFilter = [];
-            foreach ($searchRequest->getFilter() as $field => $value) {
-                $queryFilter[$field] = $value;
-            }
-
-            $query['bool']['filter'] = [
-                'term' => $queryFilter,
-            ];
-        }
-
         $search = new \Elastica\Search($this->connection->getClient());
         $search->addIndex('typo3content');
-        $search->setQuery(new \Elastica\Query(['query' => $query]));
+        $search->setQuery($this->queryFactory->create($this, $searchRequest));
+
         // TODO: Return wrapped result to implement our interface.
         // Also update php doc to reflect the change.
         return $search->search();

Classes/Connection/SearchRequestInterface.php

@@ -31,4 +31,14 @@ interface SearchRequestInterface
      * @return string
      */
     public function getSearchTerm();
+
+    /**
+     * @return bool
+     */
+    public function hasFilter();
+
+    /**
+     * @return array
+     */
+    public function getFilter();
 }

Classes/Domain/Search/QueryFactory.php

@@ -0,0 +1,72 @@
+<?php
+namespace Leonmrni\SearchCore\Domain\Search;
+
+/*
+ * Copyright (C) 2017  Daniel Siepmann <coding@daniel-siepmann.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+use Leonmrni\SearchCore\Connection\ConnectionInterface;
+use Leonmrni\SearchCore\Connection\Elasticsearch\Query;
+use Leonmrni\SearchCore\Connection\SearchRequestInterface;
+
+class QueryFactory
+{
+    /**
+     * @param ConnectionInterface $connection
+     * @param SearchRequestInterface $searchRequest
+     *
+     * @return \Elastica\Query
+     */
+    public function create(
+        ConnectionInterface $connection,
+        SearchRequestInterface $searchRequest
+    ) {
+        return $this->createElasticaQuery($searchRequest);
+    }
+
+    /**
+     * @param SearchRequestInterface $searchRequest
+     * @return \Elastica\Query
+     */
+    protected function createElasticaQuery(SearchRequestInterface $searchRequest)
+    {
+        $query = [
+            'bool' => [
+                'must' => [
+                    [
+                        'match' => [
+                            '_all' => $searchRequest->getSearchTerm()
+                        ],
+                    ],
+                ],
+            ],
+        ];
+        $queryFilter = [];
+
+        if ($searchRequest->hasFilter()) {
+            foreach ($searchRequest->getFilter() as $field => $value) {
+                $queryFilter[$field] = $value;
+            }
+            $query['bool']['filter'] = [
+                'term' => $queryFilter,
+            ];
+        }
+
+        return new \Elastica\Query(['query' => $query]);
+    }
+}

Makefile

@@ -23,6 +23,11 @@ functionalTests:
 		.Build/bin/phpunit --colors --debug -v \
 			-c Tests/Functional/FunctionalTests.xml
 
+unitTests:
+	TYPO3_PATH_WEB=$(TYPO3_WEB_DIR) \
+		.Build/bin/phpunit --colors --debug -v \
+		-c Tests/Unit/UnitTests.xml
+
 uploadCodeCoverage: uploadCodeCoverageToScrutinizer uploadCodeCoverageToCodacy
 
 uploadCodeCoverageToScrutinizer:

Tests/Functional/Connection/Elasticsearch/AbstractFunctionalTestCase.php

@@ -43,11 +43,18 @@ abstract class AbstractFunctionalTestCase extends BaseFunctionalTestCase
             'host' => getenv('ES_HOST') ?: \Elastica\Connection::DEFAULT_HOST,
             'port' => getenv('ES_PORT') ?: \Elastica\Connection::DEFAULT_PORT,
         ]);
+
+        $this->cleanUp();
     }
 
     public function tearDown()
     {
         // Delete everything so next test starts clean.
+        $this->cleanUp();
+    }
+
+    protected function cleanUp()
+    {
         $this->client->getIndex('_all')->delete();
         $this->client->getIndex('_all')->clearCache();
     }

Tests/Functional/Connection/Elasticsearch/FilterTest.php

@@ -0,0 +1,61 @@
+<?php
+namespace Leonmrni\SearchCore\Tests\Functional\Connection\Elasticsearch;
+
+/*
+ * Copyright (C) 2017  Daniel Siepmann <coding@daniel-siepmann.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+use Leonmrni\SearchCore\Domain\Index\IndexerFactory;
+use Leonmrni\SearchCore\Domain\Model\SearchRequest;
+use Leonmrni\SearchCore\Domain\Search\SearchService;
+use TYPO3\CMS\Extbase\Object\ObjectManager;
+
+class FilterTest extends AbstractFunctionalTestCase
+{
+    protected function getDataSets()
+    {
+        return array_merge(
+            parent::getDataSets(),
+            ['Tests/Functional/Fixtures/Searching/Filter.xml']
+        );
+    }
+
+    /**
+     * @test
+     */
+    public function itsPossibleToFilterResultsByASingleField()
+    {
+        \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(ObjectManager::class)
+            ->get(IndexerFactory::class)
+            ->getIndexer('tt_content')
+            ->indexAllDocuments()
+            ;
+
+        $searchService = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(ObjectManager::class)
+            ->get(SearchService::class);
+        $searchRequest = new SearchRequest('Search Word');
+
+        $result = $searchService->search($searchRequest);
+        $this->assertSame(2, count($result), 'Did not receive both indexed elements without filter.');
+
+        $searchRequest->setFilter(['CType' => 'html']);
+        $result = $searchService->search($searchRequest);
+        $this->assertSame('5', $result[0]->getData()['uid'], 'Did not get the expected result entry.');
+        $this->assertSame(1, count($result), 'Did not receive the single filtered element.');
+    }
+}

Tests/Functional/Fixtures/Searching/Filter.xml

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>
+<dataset>
+    <tt_content>
+        <uid>5</uid>
+        <pid>1</pid>
+        <tstamp>1480686370</tstamp>
+        <crdate>1480686370</crdate>
+        <hidden>0</hidden>
+        <sorting>72</sorting>
+        <CType>html</CType>
+        <header>indexed content element with html ctype</header>
+        <bodytext>Search Word</bodytext>
+        <media>0</media>
+        <layout>0</layout>
+        <deleted>0</deleted>
+        <cols>0</cols>
+        <starttime>0</starttime>
+        <endtime>0</endtime>
+        <colPos>0</colPos>
+        <filelink_sorting>0</filelink_sorting>
+    </tt_content>
+
+    <tt_content>
+        <uid>6</uid>
+        <pid>1</pid>
+        <tstamp>1480686370</tstamp>
+        <crdate>1480686370</crdate>
+        <hidden>0</hidden>
+        <sorting>72</sorting>
+        <CType>header</CType>
+        <header>indexed content element with header ctype</header>
+        <bodytext>Search Word</bodytext>
+        <media>0</media>
+        <layout>0</layout>
+        <deleted>0</deleted>
+        <cols>0</cols>
+        <starttime>0</starttime>
+        <endtime>0</endtime>
+        <colPos>0</colPos>
+        <filelink_sorting>0</filelink_sorting>
+    </tt_content>
+</dataset>

Tests/Unit/AbstractUnitTestCase.php

@@ -0,0 +1,27 @@
+<?php
+namespace Leonmrni\SearchCore\Tests\Unit;
+
+/*
+ * Copyright (C) 2016  Daniel Siepmann <coding@daniel-siepmann.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+use TYPO3\CMS\Core\Tests\UnitTestCase as CoreTestCase;
+
+abstract class AbstractUnitTestCase extends CoreTestCase
+{
+}

Tests/Unit/Domain/Search/QueryFactoryTest.php

@@ -0,0 +1,56 @@
+<?php
+namespace Leonmrni\SearchCore\Tests\Unit\Domain\Search;
+
+/*
+ * Copyright (C) 2017  Daniel Siepmann <coding@daniel-siepmann.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+use Leonmrni\SearchCore\Connection;
+use Leonmrni\SearchCore\Domain\Model\SearchRequest;
+use Leonmrni\SearchCore\Domain\Search\QueryFactory;
+use Leonmrni\SearchCore\Tests\Unit\AbstractUnitTestCase;
+
+class QueryFactoryTest extends AbstractUnitTestCase
+{
+    protected $subject;
+
+    public function setUp()
+    {
+        parent::setUp();
+
+        $this->subject = new QueryFactory;
+    }
+
+    /**
+     * @test
+     */
+    public function creatonOfQueryWorksInGeneral()
+    {
+        $connection = $this->getMockBuilder(Connection\Elasticsearch::class)
+            ->disableOriginalConstructor()
+            ->getMock();
+        $searchRequest = new SearchRequest('SearchWord');
+
+        $query = $this->subject->create($connection, $searchRequest);
+        $this->assertInstanceOf(
+            \Elastica\Query::class,
+            $query,
+            'Factory did not create the expected instance.'
+        );
+    }
+}

Tests/Unit/UnitTests.xml

@@ -0,0 +1,28 @@
+<phpunit
+    backupGlobals="false"
+    backupStaticAttributes="false"
+    bootstrap="../../.Build/vendor/typo3/cms/typo3/sysext/core/Build/UnitTestsBootstrap.php"
+
+    colors="true"
+    convertErrorsToExceptions="false"
+    convertWarningsToExceptions="false"
+    forceCoversAnnotation="false"
+    processIsolation="false"
+    stopOnError="false"
+    stopOnFailure="false"
+    stopOnIncomplete="false"
+    stopOnSkipped="false"
+    verbose="false">
+
+    <testsuites>
+        <testsuite name="unit-tests">
+            <directory>.</directory>
+        </testsuite>
+    </testsuites>
+
+    <filter>
+        <whitelist>
+            <directory suffix=".php">../../Classes</directory>
+        </whitelist>
+    </filter>
+</phpunit>