Erikmitk / kitodo-presentation

Classes/Api/Orcid/Profile.php

Spacing +1 added lines, -1 removed lines

@@ -129,7 +129,7 @@
             $this->raw->registerXPathNamespace('personal-details', 'http://www.orcid.org/ns/personal-details');
             $givenNames = $this->raw->xpath('./personal-details:name/personal-details:given-names');
             $familyName = $this->raw->xpath('./personal-details:name/personal-details:family-name');
-            return (string) $givenNames[0] . ' ' . (string) $familyName[0];
+            return (string) $givenNames[0].' '.(string) $familyName[0];
         } else {
             $this->logger->warning('No name found for given ORCID');
             return false;

Classes/Common/Helper.php

Spacing +36 added lines, -36 removed lines

@@ -143,7 +143,7 @@ 
                 if (!preg_match('/\d{8}-\d{1}/i', $id)) {
                     return false;
                 } elseif ($checksum == 10) {
-                    return self::checkIdentifier(($digits + 1) . substr($id, -2, 2), 'SWD');
+                    return self::checkIdentifier(($digits + 1).substr($id, -2, 2), 'SWD');
                 } elseif (substr($id, -1, 1) != $checksum) {
                     return false;
                 }
@@ -315,7 +315,7 @@ 
         $encrypted = openssl_encrypt($string, self::$cipherAlgorithm, $key, OPENSSL_RAW_DATA, $iv);
         // Merge initialisation vector and encrypted data.
         if ($encrypted !== false) {
-            $encrypted = base64_encode($iv . $encrypted);
+            $encrypted = base64_encode($iv.$encrypted);
         }
         return $encrypted;
     }
@@ -369,8 +369,8 @@ 
     public static function getHookObjects($scriptRelPath)
     {
         $hookObjects = [];
-        if (is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS'][self::$extKey . '/' . $scriptRelPath]['hookClass'])) {
-            foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS'][self::$extKey . '/' . $scriptRelPath]['hookClass'] as $classRef) {
+        if (is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS'][self::$extKey.'/'.$scriptRelPath]['hookClass'])) {
+            foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS'][self::$extKey.'/'.$scriptRelPath]['hookClass'] as $classRef) {
                 $hookObjects[] = GeneralUtility::makeInstance($classRef);
             }
         }
@@ -397,12 +397,12 @@ 
             // NOTE: Only use tables that don't have too many entries!
             || !in_array($table, ['tx_dlf_collections', 'tx_dlf_libraries', 'tx_dlf_metadata', 'tx_dlf_structures', 'tx_dlf_solrcores'])
         ) {
-            self::log('Invalid UID "' . $uid . '" or table "' . $table . '"', LOG_SEVERITY_ERROR);
+            self::log('Invalid UID "'.$uid.'" or table "'.$table.'"', LOG_SEVERITY_ERROR);
             return '';
         }
 
-        $makeCacheKey = function ($pid, $uid) {
-            return $pid . '.' . $uid;
+        $makeCacheKey = function($pid, $uid) {
+            return $pid.'.'.$uid;
         };
 
         static $cache = [];
@@ -412,9 +412,9 @@ 
 
             $result = $queryBuilder
                 ->select(
-                    $table . '.index_name AS index_name',
-                    $table . '.uid AS uid',
-                    $table . '.pid AS pid',
+                    $table.'.index_name AS index_name',
+                    $table.'.uid AS uid',
+                    $table.'.pid AS pid',
                 )
                 ->from($table)
                 ->execute();
@@ -432,7 +432,7 @@ 
         $result = $cache[$table][$cacheKey] ?? '';
 
         if ($result === '') {
-            self::log('No "index_name" with UID ' . $uid . ' and PID ' . $pid . ' found in table "' . $table . '"', LOG_SEVERITY_WARNING);
+            self::log('No "index_name" with UID '.$uid.' and PID '.$pid.' found in table "'.$table.'"', LOG_SEVERITY_WARNING);
         }
 
         return $result;
@@ -459,11 +459,11 @@ 
             // No ISO code, return unchanged.
             return $code;
         }
-        $lang = LocalizationUtility::translate('LLL:' . $file . ':' . $code);
+        $lang = LocalizationUtility::translate('LLL:'.$file.':'.$code);
         if (!empty($lang)) {
             return $lang;
         } else {
-            self::log('Language code "' . $code . '" not found in ISO-639 table', LOG_SEVERITY_NOTICE);
+            self::log('Language code "'.$code.'" not found in ISO-639 table', LOG_SEVERITY_NOTICE);
             return $code;
         }
     }
@@ -560,7 +560,7 @@ 
             '-' => 39,
             ':' => 17,
         ];
-        $urn = strtolower($base . $id);
+        $urn = strtolower($base.$id);
         if (preg_match('/[^a-z\d:-]/', $urn)) {
             self::log('Invalid chars in given parameters', LOG_SEVERITY_WARNING);
             return '';
@@ -574,7 +574,7 @@ 
             $checksum += ($i + 1) * intval(substr($digits, $i, 1));
         }
         $checksum = substr(intval($checksum / intval(substr($digits, -1, 1))), -1, 1);
-        return $base . $id . $checksum;
+        return $base.$id.$checksum;
     }
 
     /**
@@ -668,7 +668,7 @@ 
         // Sanitize input.
         $pid = max(intval($pid), 0);
         if (!$pid) {
-            self::log('Invalid PID ' . $pid . ' for translation', LOG_SEVERITY_WARNING);
+            self::log('Invalid PID '.$pid.' for translation', LOG_SEVERITY_WARNING);
             return $index_name;
         }
         /** @var \TYPO3\CMS\Frontend\Page\PageRepository $pageRepository */
@@ -690,13 +690,13 @@ 
         // First fetch the uid of the received index_name
         $result = $queryBuilder
             ->select(
-                $table . '.uid AS uid',
-                $table . '.l18n_parent AS l18n_parent'
+                $table.'.uid AS uid',
+                $table.'.l18n_parent AS l18n_parent'
             )
             ->from($table)
             ->where(
-                $queryBuilder->expr()->eq($table . '.pid', $pid),
-                $queryBuilder->expr()->eq($table . '.index_name', $queryBuilder->expr()->literal($index_name)),
+                $queryBuilder->expr()->eq($table.'.pid', $pid),
+                $queryBuilder->expr()->eq($table.'.index_name', $queryBuilder->expr()->literal($index_name)),
                 self::whereExpression($table, true)
             )
             ->setMaxResults(1)
@@ -709,12 +709,12 @@ 
             $resArray = $allResults[0];
 
             $result = $queryBuilder
-                ->select($table . '.index_name AS index_name')
+                ->select($table.'.index_name AS index_name')
                 ->from($table)
                 ->where(
-                    $queryBuilder->expr()->eq($table . '.pid', $pid),
-                    $queryBuilder->expr()->eq($table . '.uid', $resArray['l18n_parent']),
-                    $queryBuilder->expr()->eq($table . '.sys_language_uid', intval($languageAspect->getContentId())),
+                    $queryBuilder->expr()->eq($table.'.pid', $pid),
+                    $queryBuilder->expr()->eq($table.'.uid', $resArray['l18n_parent']),
+                    $queryBuilder->expr()->eq($table.'.sys_language_uid', intval($languageAspect->getContentId())),
                     self::whereExpression($table, true)
                 )
                 ->setMaxResults(1)
@@ -732,14 +732,14 @@ 
         if (empty($labels[$table][$pid][$languageAspect->getContentId()][$index_name])) {
             // Check if this table is allowed for translation.
             if (in_array($table, ['tx_dlf_collections', 'tx_dlf_libraries', 'tx_dlf_metadata', 'tx_dlf_structures'])) {
-                $additionalWhere = $queryBuilder->expr()->in($table . '.sys_language_uid', [-1, 0]);
+                $additionalWhere = $queryBuilder->expr()->in($table.'.sys_language_uid', [-1, 0]);
                 if ($languageAspect->getContentId() > 0) {
                     $additionalWhere = $queryBuilder->expr()->andX(
                         $queryBuilder->expr()->orX(
-                            $queryBuilder->expr()->in($table . '.sys_language_uid', [-1, 0]),
-                            $queryBuilder->expr()->eq($table . '.sys_language_uid', intval($languageAspect->getContentId()))
+                            $queryBuilder->expr()->in($table.'.sys_language_uid', [-1, 0]),
+                            $queryBuilder->expr()->eq($table.'.sys_language_uid', intval($languageAspect->getContentId()))
                         ),
-                        $queryBuilder->expr()->eq($table . '.l18n_parent', 0)
+                        $queryBuilder->expr()->eq($table.'.l18n_parent', 0)
                     );
                 }
 
@@ -748,7 +748,7 @@ 
                     ->select('*')
                     ->from($table)
                     ->where(
-                        $queryBuilder->expr()->eq($table . '.pid', $pid),
+                        $queryBuilder->expr()->eq($table.'.pid', $pid),
                         $additionalWhere,
                         self::whereExpression($table, true)
                     )
@@ -766,10 +766,10 @@ 
                         }
                     }
                 } else {
-                    self::log('No translation with PID ' . $pid . ' available in table "' . $table . '" or translation not accessible', LOG_SEVERITY_NOTICE);
+                    self::log('No translation with PID '.$pid.' available in table "'.$table.'" or translation not accessible', LOG_SEVERITY_NOTICE);
                 }
             } else {
-                self::log('No translations available for table "' . $table . '"', LOG_SEVERITY_WARNING);
+                self::log('No translations available for table "'.$table.'"', LOG_SEVERITY_WARNING);
             }
         }
 
@@ -811,9 +811,9 @@ 
             return GeneralUtility::makeInstance(ConnectionPool::class)
                 ->getQueryBuilderForTable($table)
                 ->expr()
-                ->eq($table . '.' . $GLOBALS['TCA'][$table]['ctrl']['delete'], 0);
+                ->eq($table.'.'.$GLOBALS['TCA'][$table]['ctrl']['delete'], 0);
         } else {
-            self::log('Unexpected TYPO3_MODE "' . \TYPO3_MODE . '"', LOG_SEVERITY_ERROR);
+            self::log('Unexpected TYPO3_MODE "'.\TYPO3_MODE.'"', LOG_SEVERITY_ERROR);
             return '1=-1';
         }
     }
@@ -852,7 +852,7 @@ 
      */
     public static function polyfillExtbaseClassesForTYPO3v9()
     {
-        $classes = require __DIR__ . '/../../Configuration/Extbase/Persistence/Classes.php';
+        $classes = require __DIR__.'/../../Configuration/Extbase/Persistence/Classes.php';
 
         $objectManager = GeneralUtility::makeInstance(ObjectManager::class);
         $configurationManager = $objectManager->get(ConfigurationManager::class);
@@ -908,10 +908,10 @@ 
         try {
             $response = $requestFactory->request($url, 'GET', $configuration);
         } catch (\Exception $e) {
-            self::log('Could not fetch data from URL "' . $url . '". Error: ' . $e->getMessage() . '.', LOG_SEVERITY_WARNING);
+            self::log('Could not fetch data from URL "'.$url.'". Error: '.$e->getMessage().'.', LOG_SEVERITY_WARNING);
             return false;
         }
-        $content  = $response->getBody()->getContents();
+        $content = $response->getBody()->getContents();
 
         return $content;
     }

Tests/routeFunctionalInstance.php

Spacing +3 added lines, -3 removed lines

@@ -15,10 +15,10 @@
 preg_match("@.*/(?:acceptance|functional-[a-z\d]+)@", $_SERVER['REQUEST_URI'], $matches);
 
 if (!empty($matches)) {
-    $root = realpath($_SERVER['DOCUMENT_ROOT'] . $matches[0]);
+    $root = realpath($_SERVER['DOCUMENT_ROOT'].$matches[0]);
     if ($root !== false) {
-        putenv('TYPO3_PATH_ROOT=' . $root);
-        putenv('TYPO3_PATH_APP=' . $root);
+        putenv('TYPO3_PATH_ROOT='.$root);
+        putenv('TYPO3_PATH_APP='.$root);
     }
 }
 

Classes/Api/Viaf/Client.php

Spacing +3 added lines, -3 removed lines

@@ -66,7 +66,7 @@ 
     public function __construct($viaf, RequestFactory $requestFactory)
     {
         $this->logger = GeneralUtility::makeInstance(LogManager::class)->getLogger(static::class);
-        $this->viafUrl = 'http://viaf.org/viaf/' . $viaf;
+        $this->viafUrl = 'http://viaf.org/viaf/'.$viaf;
         $this->requestFactory = $requestFactory;
     }
 
@@ -92,7 +92,7 @@ 
         try {
             $response = $this->requestFactory->request($url);
         } catch (\Exception $e) {
-            $this->logger->warning('Could not fetch data from URL "' . $url . '". Error: ' . $e->getMessage() . '.');
+            $this->logger->warning('Could not fetch data from URL "'.$url.'". Error: '.$e->getMessage().'.');
             return false;
         }
         return $response->getBody()->getContents();
@@ -105,6 +105,6 @@ 
      **/
     protected function getApiEndpoint()
     {
-        return $this->viafUrl . '/' . $this->endpoint;
+        return $this->viafUrl.'/'.$this->endpoint;
     }
 }

Classes/Api/Orcid/Client.php

Spacing +4 added lines, -4 removed lines

@@ -105,7 +105,7 @@ 
         try {
             $response = $this->requestFactory->request($url);
         } catch (\Exception $e) {
-            $this->logger->warning('Could not fetch data from URL "' . $url . '". Error: ' . $e->getMessage() . '.');
+            $this->logger->warning('Could not fetch data from URL "'.$url.'". Error: '.$e->getMessage().'.');
             return false;
         }
         return $response->getBody()->getContents();
@@ -118,10 +118,10 @@ 
      **/
     private function getApiEndpoint()
     {
-        $url  = 'https://' . $this->level . '.' . self::HOSTNAME;
-        $url .= '/v' . self::VERSION . '/';
+        $url  = 'https://'.$this->level.'.'.self::HOSTNAME;
+        $url .= '/v'.self::VERSION.'/';
         $url .= $this->orcid;
-        $url .= '/' . $this->endpoint;
+        $url .= '/'.$this->endpoint;
         return $url;
     }
 }

Classes/Format/Mods.php

Spacing +4 added lines, -4 removed lines

@@ -99,7 +99,7 @@ 
         if (!empty($name)) {
             $this->metadata['author'][$i] = [
                 'name' => $name,
-                'url' => 'https://orcid.org/' . $orcidId
+                'url' => 'https://orcid.org/'.$orcidId
             ];
         } else {
             //fallback into display form
@@ -146,7 +146,7 @@ 
         }
         // Append "valueURI" to name using Unicode unit separator.
         if (isset($authors[$i]['valueURI'])) {
-            $this->metadata['author'][$i] .= chr(31) . (string) $authors[$i]['valueURI'];
+            $this->metadata['author'][$i] .= chr(31).(string) $authors[$i]['valueURI'];
         }
     }
 
@@ -187,7 +187,7 @@ 
         if (!empty($name)) {
             $this->metadata['holder'][$i] = [
                 'name' => $name,
-                'url' => 'http://viaf.org/viaf/' . $viafId
+                'url' => 'http://viaf.org/viaf/'.$viafId
             ];
         } else {
             //fallback into display form
@@ -199,7 +199,7 @@ 
         $this->getHolderFromXmlDisplayForm($holders, $i);
         // Append "valueURI" to name using Unicode unit separator.
         if (isset($holders[$i]['valueURI'])) {
-            $this->metadata['holder'][$i] .= chr(31) . (string) $holders[$i]['valueURI'];
+            $this->metadata['holder'][$i] .= chr(31).(string) $holders[$i]['valueURI'];
         }
     }
 

Classes/Controller/MetadataController.php

Spacing +2 added lines, -2 removed lines

@@ -112,7 +112,7 @@ 
             array_unshift($metadata, $data);
         }
         if (empty($metadata)) {
-            $this->logger->warning('No metadata found for document with UID ' . $this->document->getUid());
+            $this->logger->warning('No metadata found for document with UID '.$this->document->getUid());
             return '';
         }
         ksort($metadata);
@@ -215,7 +215,7 @@ 
                         if (empty(implode('', $value)) && $this->settings['getTitle'] && $this->document->getPartof()) {
                             $superiorTitle = Doc::getTitle($this->document->getPartof(), true);
                             if (!empty($superiorTitle)) {
-                                $metadata[$i][$name] = ['[' . $superiorTitle . ']'];
+                                $metadata[$i][$name] = ['['.$superiorTitle.']'];
                             }
                         }
                         if (!empty($value)) {

Classes/Common/Indexer.php

Spacing +17 added lines, -17 removed lines

@@ -115,7 +115,7 @@ 
                         $parent->setDoc($doc);
                         $success = self::add($parent);
                     } else {
-                        Helper::log('Could not load parent document with UID ' . $document->getDoc()->parentId, LOG_SEVERITY_ERROR);
+                        Helper::log('Could not load parent document with UID '.$document->getDoc()->parentId, LOG_SEVERITY_ERROR);
                         return false;
                     }
                 }
@@ -125,7 +125,7 @@ 
                 self::$processedDocs[] = $document->getUid();
                 // Delete old Solr documents.
                 $updateQuery = self::$solr->service->createUpdate();
-                $updateQuery->addDeleteQuery('uid:' . $document->getUid());
+                $updateQuery->addDeleteQuery('uid:'.$document->getUid());
                 self::$solr->service->update($updateQuery);
 
                 // Index every logical unit as separate Solr document.
@@ -174,14 +174,14 @@ 
             } catch (\Exception $e) {
                 if (!(\TYPO3_REQUESTTYPE & \TYPO3_REQUESTTYPE_CLI)) {
                     Helper::addMessage(
-                        Helper::getLanguageService()->getLL('flash.solrException') . ' ' . htmlspecialchars($e->getMessage()),
+                        Helper::getLanguageService()->getLL('flash.solrException').' '.htmlspecialchars($e->getMessage()),
                         Helper::getLanguageService()->getLL('flash.error'),
                         FlashMessage::ERROR,
                         true,
                         'core.template.flashMessages'
                     );
                 }
-                Helper::log('Apache Solr threw exception: "' . $e->getMessage() . '"', LOG_SEVERITY_ERROR);
+                Helper::log('Apache Solr threw exception: "'.$e->getMessage().'"', LOG_SEVERITY_ERROR);
                 return false;
             }
         } else {
@@ -214,7 +214,7 @@ 
         // Sanitize input.
         $pid = max(intval($pid), 0);
         if (!$pid) {
-            Helper::log('Invalid PID ' . $pid . ' for metadata configuration', LOG_SEVERITY_ERROR);
+            Helper::log('Invalid PID '.$pid.' for metadata configuration', LOG_SEVERITY_ERROR);
             return '';
         }
         // Load metadata configuration.
@@ -223,7 +223,7 @@ 
         $suffix = (in_array($index_name, self::$fields['tokenized']) ? 't' : 'u');
         $suffix .= (in_array($index_name, self::$fields['stored']) ? 's' : 'u');
         $suffix .= (in_array($index_name, self::$fields['indexed']) ? 'i' : 'u');
-        $index_name .= '_' . $suffix;
+        $index_name .= '_'.$suffix;
         return $index_name;
     }
 
@@ -337,7 +337,7 @@ 
             $solrDoc->setField('title', $metadata['title'][0], self::$fields['fieldboost']['title']);
             $solrDoc->setField('volume', $metadata['volume'][0], self::$fields['fieldboost']['volume']);
             // verify date formatting
-            if(strtotime($metadata['date'][0])) {
+            if (strtotime($metadata['date'][0])) {
                 // do not alter dates YYYY or YYYY-MM or YYYY-MM-DD
                 if (
                     preg_match("/^[\d]{4}$/", $metadata['date'][0])
@@ -346,7 +346,7 @@ 
                 ) {
                     $solrDoc->setField('date', $metadata['date'][0]);
                 // change date YYYYMMDD to YYYY-MM-DD
-                } elseif (preg_match("/^[\d]{8}$/", $metadata['date'][0])){
+                } elseif (preg_match("/^[\d]{8}$/", $metadata['date'][0])) {
                     $solrDoc->setField('date', date("Y-m-d", strtotime($metadata['date'][0])));
                 // convert any datetime to proper ISO extended datetime format and timezone for SOLR
                 } else {
@@ -374,11 +374,11 @@ 
                     $solrDoc->setField(self::getIndexFieldName($index_name, $document->getPid()), $data, self::$fields['fieldboost'][$index_name]);
                     if (in_array($index_name, self::$fields['sortables'])) {
                         // Add sortable fields to index.
-                        $solrDoc->setField($index_name . '_sorting', $metadata[$index_name . '_sorting'][0]);
+                        $solrDoc->setField($index_name.'_sorting', $metadata[$index_name.'_sorting'][0]);
                     }
                     if (in_array($index_name, self::$fields['facets'])) {
                         // Add facets to index.
-                        $solrDoc->setField($index_name . '_faceting', $data);
+                        $solrDoc->setField($index_name.'_faceting', $data);
                     }
                     if (in_array($index_name, self::$fields['autocomplete'])) {
                         $autocomplete = array_merge($autocomplete, $data);
@@ -403,14 +403,14 @@ 
             } catch (\Exception $e) {
                 if (!(\TYPO3_REQUESTTYPE & \TYPO3_REQUESTTYPE_CLI)) {
                     Helper::addMessage(
-                        Helper::getLanguageService()->getLL('flash.solrException') . '<br />' . htmlspecialchars($e->getMessage()),
+                        Helper::getLanguageService()->getLL('flash.solrException').'<br />'.htmlspecialchars($e->getMessage()),
                         Helper::getLanguageService()->getLL('flash.error'),
                         FlashMessage::ERROR,
                         true,
                         'core.template.flashMessages'
                     );
                 }
-                Helper::log('Apache Solr threw exception: "' . $e->getMessage() . '"', LOG_SEVERITY_ERROR);
+                Helper::log('Apache Solr threw exception: "'.$e->getMessage().'"', LOG_SEVERITY_ERROR);
                 return false;
             }
         }
@@ -476,7 +476,7 @@ 
                                 $data = self::removeAppendsFromAuthor($data);
                             }
                             // Add facets to index.
-                            $solrDoc->setField($index_name . '_faceting', $data);
+                            $solrDoc->setField($index_name.'_faceting', $data);
                         }
                     }
                     // Add sorting information to physical sub-elements if applicable.
@@ -484,7 +484,7 @@ 
                         !empty($data)
                         && substr($index_name, -8) == '_sorting'
                     ) {
-                        $solrDoc->setField($index_name , $doc->metadataArray[$doc->toplevelId][$index_name]);
+                        $solrDoc->setField($index_name, $doc->metadataArray[$doc->toplevelId][$index_name]);
                     }
                 }
             }
@@ -501,14 +501,14 @@ 
             } catch (\Exception $e) {
                 if (!(\TYPO3_REQUESTTYPE & \TYPO3_REQUESTTYPE_CLI)) {
                     Helper::addMessage(
-                        Helper::getLanguageService()->getLL('flash.solrException') . '<br />' . htmlspecialchars($e->getMessage()),
+                        Helper::getLanguageService()->getLL('flash.solrException').'<br />'.htmlspecialchars($e->getMessage()),
                         Helper::getLanguageService()->getLL('flash.error'),
                         FlashMessage::ERROR,
                         true,
                         'core.template.flashMessages'
                     );
                 }
-                Helper::log('Apache Solr threw exception: "' . $e->getMessage() . '"', LOG_SEVERITY_ERROR);
+                Helper::log('Apache Solr threw exception: "'.$e->getMessage().'"', LOG_SEVERITY_ERROR);
                 return false;
             }
         }
@@ -559,7 +559,7 @@ 
     private static function getSolrDocument($updateQuery, $document, $unit, $fullText = '') {
         $solrDoc = $updateQuery->createDocument();
         // Create unique identifier from document's UID and unit's XML ID.
-        $solrDoc->setField('id', $document->getUid() . $unit['id']);
+        $solrDoc->setField('id', $document->getUid().$unit['id']);
         $solrDoc->setField('uid', $document->getUid());
         $solrDoc->setField('pid', $document->getPid());
         $solrDoc->setField('partof', $document->getPartof());

Classes/Controller/CollectionController.php

Spacing +4 added lines, -4 removed lines

@@ -96,20 +96,20 @@
         foreach ($collections as $collection) {
             $solr_query = '';
             if ($collection->getIndexSearch() != '') {
-                $solr_query .= '(' . $collection->getIndexSearch() . ')';
+                $solr_query .= '('.$collection->getIndexSearch().')';
             } else {
-                $solr_query .= 'collection:("' . Solr::escapeQuery($collection->getIndexName()) . '")';
+                $solr_query .= 'collection:("'.Solr::escapeQuery($collection->getIndexName()).'")';
             }
 
             // virtual collection might yield documents, that are not toplevel true or partof anything
             if ($collection->getIndexSearch()) {
                 $params['query'] = $solr_query;
             } else {
-                $params['query'] = $solr_query . ' AND partof:0 AND toplevel:true';
+                $params['query'] = $solr_query.' AND partof:0 AND toplevel:true';
             }
             $partOfNothing = $solr->search_raw($params);
 
-            $params['query'] = $solr_query . ' AND NOT partof:0 AND toplevel:true';
+            $params['query'] = $solr_query.' AND NOT partof:0 AND toplevel:true';
             $partOfSomething = $solr->search_raw($params);
             // Titles are all documents that are "root" elements i.e. partof == 0
             $collectionInfo['titles'] = [];