Add return types, cleanup code

public/typo3conf/ext/ep_products/Classes/Command/DateCommandController.php

@@ -77,7 +77,7 @@ class DateCommandController extends Command
      * @param OutputInterface $output
      * @throws \Doctrine\DBAL\DBALException
      */
-    public function execute(InputInterface $input, OutputInterface $output)
+    public function execute(InputInterface $input, OutputInterface $output): int
     {
         $path = GeneralUtility::getFileAbsFileName('fileadmin/xmlexport');
         $count = $this->dateImportService->import($path);
@@ -92,7 +92,7 @@ class DateCommandController extends Command
     /**
      * @return array
      */
-    protected function getSettings()
+    protected function getSettings(): array
     {
         $settings = $this
             ->configurationManager

public/typo3conf/ext/ep_products/Classes/Controller/ProductController.php

@@ -116,7 +116,7 @@ class ProductController extends ActionController
         Hotel $hotel = null,
         $dateFrom = null,
         $dateTo = null
-    ) {
+    ): void {
         // Get product to display from flexform settings if not provided via url
         if ($product === null) {
             $productUid = $this->settings['productUid'];
@@ -186,7 +186,7 @@ class ProductController extends ActionController
         ]);
     }
 
-    public function pricetableAction()
+    public function pricetableAction(): void
     {
         $productUid = $this->settings['productUid'];
         /** @var \EP\EpProducts\Domain\Model\Product $product */
@@ -205,7 +205,7 @@ class ProductController extends ActionController
     /**
      * @param Product $product
      */
-    public function hotelListAction(Product $product)
+    public function hotelListAction(Product $product): void
     {
         $hotels = $this->hotelDataService->getList($product);
         $this->view->assignMultiple([
@@ -215,7 +215,7 @@ class ProductController extends ActionController
         ]);
     }
 
-    public function teasergroupAction()
+    public function teasergroupAction(): void
     {
         $filterSettings = $this->filterService->getFiltersettingsFromSettings($this->settings);
         $dateAuto = !$this->settings['dateFrom'] && !$this->settings['dateTo'];

public/typo3conf/ext/ep_products/Classes/Service/ProductDataService.php

@@ -65,8 +65,7 @@ class ProductDataService implements SingletonInterface
         HotelRepository $hotelRepository,
         HotelImageService $hotelImageService,
         ProductImageService $productImageService
-    )
-    {
+    ) {
         $this->productRepository = $productRepository;
         $this->hotelRepository = $hotelRepository;
         $this->productImageService = $productImageService;
@@ -78,10 +77,11 @@ class ProductDataService implements SingletonInterface
      *
      * @return array
      */
-    public function getTeaser(array $filterSettings)
+    public function getTeaser(array $filterSettings): array
     {
         $teaserData = $this->productRepository->getTeasers($filterSettings);
         $teasers = $this->preprocessTeasergroup($teaserData);
+
         return reset($teasers);
     }
 
@@ -92,9 +92,10 @@ class ProductDataService implements SingletonInterface
      *
      * @return array
      */
-    public function getTeasergroup(array $filterSettings, $excludedConceptUids = [], $limit = 0)
+    public function getTeasergroup(array $filterSettings, array $excludedConceptUids = [], int $limit = 0): array
     {
         $teaserData = $this->productRepository->getTeasers($filterSettings, $excludedConceptUids);
+
         return $this->preprocessTeasergroup($teaserData, $limit);
     }
 
@@ -104,12 +105,11 @@ class ProductDataService implements SingletonInterface
      *
      * @return array
      */
-    public function preprocessTeasergroup(array $teaserData, $limit = 0)
+    public function preprocessTeasergroup(array $teaserData, int $limit = 0): array
     {
         $data = [];
 
-        foreach ($teaserData as $row)
-        {
+        foreach ($teaserData as $row) {
             if (!array_key_exists($row['productUid'], $data)) {
                 $data[$row['productUid']] = $this->createTeaserData($row);
             }
@@ -166,7 +166,7 @@ class ProductDataService implements SingletonInterface
      *
      * @return array
      */
-    public function createTeaserData(array $teaserData)
+    public function createTeaserData(array $teaserData): array
     {
         $hotelCategory = Hotel::$categoryLabels[$teaserData['hotelCategory']] ?? null;