diff --git a/services.yaml b/services.yaml
index 03d9c0c..f9b6202 100644
--- a/services.yaml
+++ b/services.yaml
@@ -1,13 +1,14 @@
 services:
 
-  _defaults:
-    public: false
-    autowire: true
+    _defaults:
+        public: false
+        autowire: true
 
-  __Vendor__\GraphQL\__Package__\Controller\:
-    resource: 'src/Controller/*'
-    public: true
+    __Vendor__\GraphQL\__Package__\:
+        resource: 'src/*'
+        exclude: 'src/**/DataType'
+        public: true
 
-  __Vendor__\GraphQL\__Package__\Framework\NamespaceMapper:
-    class: __Vendor__\GraphQL\__Package__\Framework\NamespaceMapper
-    tags: ['graphql_namespace_mapper']
+    __Vendor__\GraphQL\__Package__\Shared\Service\NamespaceMapper:
+        class: __Vendor__\GraphQL\__Package__\Shared\Service\NamespaceMapper
+        tags: ['graphql_namespace_mapper']
diff --git a/src/Category/Controller/Category.php b/src/Category/Controller/Category.php
new file mode 100644
index 0000000..2bd7fc0
--- /dev/null
+++ b/src/Category/Controller/Category.php
@@ -0,0 +1,34 @@
+<?php
+
+/**
+ * All rights reserved.
+ * See LICENSE file for license details.
+ */
+
+declare(strict_types=1);
+
+namespace __Vendor__\GraphQL\__Package__\Category\Controller;
+
+use __Vendor__\GraphQL\__Package__\Category\DataType\Category as CategoryDataType;
+use __Vendor__\GraphQL\__Package__\Category\Service\Category as CategoryService;
+use TheCodingMachine\GraphQLite\Annotations\Query;
+
+final class Category
+{
+    /** @var CategoryService */
+    private $categoryService;
+
+    public function __construct (
+        CategoryService $categoryService
+    ) {
+        $this->categoryService = $categoryService;
+    }
+
+    /**
+     * @Query()
+     */
+    public function category(string $id): CategoryDataType
+    {
+        return $this->categoryService->category($id);
+    }
+}
diff --git a/src/Category/DataType/Category.php b/src/Category/DataType/Category.php
new file mode 100644
index 0000000..efab180
--- /dev/null
+++ b/src/Category/DataType/Category.php
@@ -0,0 +1,76 @@
+<?php
+
+/**
+ * All rights reserved.
+ * See LICENSE file for license details.
+ */
+
+declare(strict_types=1);
+
+namespace __Vendor__\GraphQL\__Package__\Category\DataType;
+
+use OxidEsales\Eshop\Application\Model\Category as CategoryEshopModel;
+use TheCodingMachine\GraphQLite\Annotations\Field;
+use TheCodingMachine\GraphQLite\Annotations\Type;
+use TheCodingMachine\GraphQLite\Types\ID;
+use DateTimeInterface;
+use DateTimeImmutable;
+
+/**
+ * @Type()
+ */
+final class Category
+{
+    /** @var CategoryEshopModel */
+    private $category;
+
+    public function __construct(
+        CategoryEshopModel $category
+    ) {
+        $this->category = $category;
+    }
+
+    /**
+     * @Field
+     */
+    public function id(): ID
+    {
+        return new ID(
+            $this->category->getId()
+        );
+    }
+
+    /**
+     * @Field
+     */
+    public function title(): string
+    {
+        return (string) $this->category->getFieldData('oxtitle');
+    }
+
+    /**
+     * @Field()
+     */
+    public function active(?DateTimeInterface $now = null): bool
+    {
+        $active = (bool) $this->category->getFieldData('oxactive');
+
+        if ($active) {
+            return true;
+        }
+
+        $from = new DateTimeImmutable(
+            (string) $this->category->getFieldData('oxactivefrom')
+        );
+        $to = new DateTimeImmutable(
+            (string) $this->category->getFieldData('oxactiveto')
+        );
+        $now = $now ?? new DateTimeImmutable('now');
+
+        if ($from <= $now && $to >= $now) {
+            return true;
+        }
+
+        return false;
+    }
+}
diff --git a/src/Exception/CategoryNotFound.php b/src/Category/Exception/CategoryNotFound.php
similarity index 85%
rename from src/Exception/CategoryNotFound.php
rename to src/Category/Exception/CategoryNotFound.php
index e0fb416..ef27dc2 100644
--- a/src/Exception/CategoryNotFound.php
+++ b/src/Category/Exception/CategoryNotFound.php
@@ -7,7 +7,7 @@
 
 declare(strict_types=1);
 
-namespace __Vendor__\GraphQL\__Package__\Exception;
+namespace __Vendor__\GraphQL\__Package__\Category\Exception;
 
 use OxidEsales\GraphQL\Base\Exception\NotFound;
 
diff --git a/src/Category/Infrastructure/CategoryRepository.php b/src/Category/Infrastructure/CategoryRepository.php
new file mode 100644
index 0000000..63d28f0
--- /dev/null
+++ b/src/Category/Infrastructure/CategoryRepository.php
@@ -0,0 +1,34 @@
+<?php
+
+/**
+ * All rights reserved.
+ * See LICENSE file for license details.
+ */
+
+declare(strict_types=1);
+
+namespace __Vendor__\GraphQL\__Package__\Category\Infrastructure;
+
+use OxidEsales\Eshop\Application\Model\Category as CategoryEshopModel;
+use __Vendor__\GraphQL\__Package__\Category\DataType\Category as CategoryDataType;
+use OxidEsales\GraphQL\Base\Exception\NotFound;
+
+final class CategoryRepository
+{
+    /**
+     * @throws NotFound
+     */
+    public function category(string $id): CategoryDataType
+    {
+        /** @var CategoryEshopModel */
+        $category = oxNew(CategoryEshopModel::class);
+
+        if (!$category->load($id)) {
+            throw new NotFound();
+        }
+
+        return new CategoryDataType(
+            $category
+        );
+    }
+}
diff --git a/src/Category/Service/Category.php b/src/Category/Service/Category.php
new file mode 100644
index 0000000..926afb8
--- /dev/null
+++ b/src/Category/Service/Category.php
@@ -0,0 +1,46 @@
+<?php
+
+/**
+ * All rights reserved.
+ * See LICENSE file for license details.
+ */
+
+declare(strict_types=1);
+
+namespace __Vendor__\GraphQL\__Package__\Category\Service;
+
+use __Vendor__\GraphQL\__Package__\Category\DataType\Category as CategoryDataType;
+use __Vendor__\GraphQL\__Package__\Category\Exception\CategoryNotFound;
+use __Vendor__\GraphQL\__Package__\Category\Infrastructure\CategoryRepository;
+use OxidEsales\GraphQL\Base\Exception\NotFound;
+use OxidEsales\GraphQL\Base\Exception\InvalidLogin;
+
+final class Category
+{
+    /** @var CategoryRepository */
+    private $categoryRepository;
+
+    public function __construct(
+        CategoryRepository $categoryRepository
+    ) {
+        $this->categoryRepository = $categoryRepository;
+    }
+
+    /**
+     * @throws CategoryNotFound
+     */
+    public function category(string $id): CategoryDataType
+    {
+        try {
+            $category = $this->categoryRepository->category($id);
+        } catch (NotFound $e) {
+            throw CategoryNotFound::byId($id);
+        }
+
+        if (!$category->active()) {
+            throw new InvalidLogin('Unauthorized');
+        }
+
+        return $category;
+    }
+}
diff --git a/src/Controller/Category.php b/src/Controller/Category.php
deleted file mode 100644
index 4520b36..0000000
--- a/src/Controller/Category.php
+++ /dev/null
@@ -1,37 +0,0 @@
-<?php
-
-/**
- * All rights reserved.
- * See LICENSE file for license details.
- */
-
-declare(strict_types=1);
-
-namespace __Vendor__\GraphQL\__Package__\Controller;
-
-use OxidEsales\Eshop\Application\Model\Category as CategoryEshopModel;
-use __Vendor__\GraphQL\__Package__\DataObject\Category as CategoryDataObject;
-use __Vendor__\GraphQL\__Package__\Exception\CategoryNotFound;
-use TheCodingMachine\GraphQLite\Annotations\Query;
-
-class Category
-{
-    /**
-     * category by ID
-     *
-     * @Query()
-     */
-    public function category(string $id): CategoryDataObject
-    {
-        /** @var CategoryEshopModel */
-        $category = oxNew(CategoryEshopModel::class);
-
-        if (!$category->load($id)) {
-            throw CategoryNotFound::byId($id);
-        }
-
-        return new CategoryDataObject(
-            $category
-        );
-    }
-}
diff --git a/src/DataObject/Category.php b/src/DataObject/Category.php
deleted file mode 100644
index 5e10694..0000000
--- a/src/DataObject/Category.php
+++ /dev/null
@@ -1,48 +0,0 @@
-<?php
-
-/**
- * All rights reserved.
- * See LICENSE file for license details.
- */
-
-declare(strict_types=1);
-
-namespace __Vendor__\GraphQL\__Package__\DataObject;
-
-use OxidEsales\Eshop\Application\Model\Category as CategoryEshopModel;
-use TheCodingMachine\GraphQLite\Annotations\Field;
-use TheCodingMachine\GraphQLite\Annotations\Type;
-use TheCodingMachine\GraphQLite\Types\ID;
-
-/**
- * @Type()
- */
-class Category
-{
-    /** @var CategoryEshopModel */
-    private $category;
-
-    public function __construct(
-        CategoryEshopModel $category
-    ) {
-        $this->category = $category;
-    }
-
-    /**
-     * @Field
-     */
-    public function getId(): ID
-    {
-        return new ID(
-            $this->category->getId()
-        );
-    }
-
-    /**
-     * @Field
-     */
-    public function getTitle(): string
-    {
-        return (string) $this->category->getFieldData('oxtitle');
-    }
-}
diff --git a/src/Framework/NamespaceMapper.php b/src/Shared/Service/NamespaceMapper.php
similarity index 60%
rename from src/Framework/NamespaceMapper.php
rename to src/Shared/Service/NamespaceMapper.php
index dff008c..08624f7 100644
--- a/src/Framework/NamespaceMapper.php
+++ b/src/Shared/Service/NamespaceMapper.php
@@ -7,7 +7,7 @@
 
 declare(strict_types=1);
 
-namespace __Vendor__\GraphQL\__Package__\Framework;
+namespace __Vendor__\GraphQL\__Package__\Shared\Service;
 
 use OxidEsales\GraphQL\Base\Framework\NamespaceMapperInterface;
 
@@ -16,14 +16,14 @@ class NamespaceMapper implements NamespaceMapperInterface
     public function getControllerNamespaceMapping(): array
     {
         return [
-            '\\__Vendor__\\GraphQL\\__Package__\\Controller' => __DIR__ . '/../Controller/',
+            '\\__Vendor__\\GraphQL\\__Package__\\Category\\Controller' => __DIR__ . '/../../Category/Controller/',
         ];
     }
 
     public function getTypeNamespaceMapping(): array
     {
         return [
-            '\\__Vendor__\\GraphQL\\__Package__\\DataObject' => __DIR__ . '/../DataObject/',
+            '\\__Vendor__\\GraphQL\\__Package__\\Category\\DataType' => __DIR__ . '/../../Category/DataType/',
         ];
     }
 }
diff --git a/tests/Integration/Controller/CategoryTest.php b/tests/Integration/Controller/CategoryTest.php
deleted file mode 100644
index 3aea809..0000000
--- a/tests/Integration/Controller/CategoryTest.php
+++ /dev/null
@@ -1,24 +0,0 @@
-<?php
-
-/**
- * All rights reserved.
- * See LICENSE file for license details.
- */
-
-declare(strict_types=1);
-
-namespace __Vendor__\GraphQL\__Package__\Tests\Integration\Controller;
-
-use OxidEsales\GraphQL\Base\Tests\Integration\TestCase;
-
-class CategoryTest extends TestCase
-{
-    public function testGetSingleCategoryWithoutParam(): void
-    {
-        $result = $this->execQuery('query { category }');
-        $this->assertSame(
-            400,
-            $result['status']
-        );
-    }
-}
diff --git a/tests/Unit/Framework/NamespaceMapperTest.php b/tests/Unit/Shared/Service/NamespaceMapperTest.php
similarity index 71%
rename from tests/Unit/Framework/NamespaceMapperTest.php
rename to tests/Unit/Shared/Service/NamespaceMapperTest.php
index 3484b8a..f8f592c 100644
--- a/tests/Unit/Framework/NamespaceMapperTest.php
+++ b/tests/Unit/Shared/Service/NamespaceMapperTest.php
@@ -7,13 +7,13 @@
 
 declare(strict_types=1);
 
-namespace __Vendor__\GraphQL\__Package__\Tests\Unit\Framework;
+namespace __Vendor__\GraphQL\__Package__\Tests\Unit\Shared\Service;
 
 use PHPUnit\Framework\TestCase;
-use __Vendor__\GraphQL\__Package__\Framework\NamespaceMapper;
+use __Vendor__\GraphQL\__Package__\Shared\Service\NamespaceMapper;
 
 /**
- * @covers __Vendor__\GraphQL\__Package__\Framework\NamespaceMapper
+ * @covers __Vendor__\GraphQL\__Package__\Shared\Service\NamespaceMapper
  */
 class NamespaceMapperTest extends TestCase
 {