Migrate sorting of category count

Define further sorting to keep expected order.
Sort by multiple fields, first by count, then by title.

Classes/Frontend/DataProcessing/CategoriesCounts.php

@@ -47,19 +47,14 @@ class CategoriesCounts implements DataProcessorInterface
         $as = $cObj->stdWrapValue('as', $processorConfiguration, 'categories');
         $parent = $cObj->stdWrapValue('parent', $processorConfiguration, '');
         $orderBy = $cObj->stdWrapValue('orderBy', $processorConfiguration, 'count desc');
-        [$orderByField, $orderByDirection] = QueryHelper::parseOrderBy($orderBy)[0];
 
         if ($parent === '') {
             throw new \InvalidArgumentException('No "parent" given.', 1600988668);
         }
-        if ($orderByField === null || $orderByDirection === null) {
-            throw new \Exception('Non correct "orderBy" given. Needs field and "asc" or "desc".', 1600988713);
-        }
 
         $processedData[$as] = $this->getCategoriesCount(
             $parent,
-            $orderByField,
-            $orderByDirection
+            $orderBy
         );
 
         return $processedData;
@@ -67,8 +62,7 @@ class CategoriesCounts implements DataProcessorInterface
 
     private function getCategoriesCount(
         int $parentId,
-        string $orderByField,
-        string $orderByDirection
+        string $orderBy
     ): array {
         $queryBuilder = clone $this->queryBuilder;
 
@@ -94,7 +88,10 @@ class CategoriesCounts implements DataProcessorInterface
             )
         );
         $queryBuilder->groupBy('category.uid');
-        $queryBuilder->orderBy($orderByField, $orderByDirection);
+
+        foreach (QueryHelper::parseOrderBy($orderBy) as $orderBy) {
+            $queryBuilder->addOrderBy($orderBy[0], $orderBy[1]);
+        }
 
         $statement = $queryBuilder->execute();
 

Configuration/TypoScript/Setup/Page.typoscript

@@ -84,13 +84,13 @@ page {
             100 = DanielSiepmann\DsSite\Frontend\DataProcessing\CategoriesCounts
             100 {
                 as = allTopics
-                orderBy = count desc
+                orderBy = count desc, title asc
                 parent = 1
             }
             101 < .100
             101 {
                 as = allTypo3Compatible
-                orderBy = title asc
+                orderBy = title asc, title asc
                 parent = 2
             }