delete child elements

backend/app/Controllers/ElementController.php

@@ -5,6 +5,8 @@ namespace App\Controllers;
 use App\Element\Element;
 use App\Element\UseCases\CreateChildElement\CreateChildElement;
 use App\Element\UseCases\CreateChildElement\CreateChildElementRequest;
+use App\Element\UseCases\DeleteChildElement\DeleteChildElement;
+use App\Element\UseCases\DeleteChildElement\DeleteChildElementRequest;
 use App\Element\UseCases\GetElement\GetElement;
 use App\Element\UseCases\GetElement\GetElementRequest;
 use App\Element\UseCases\UpdateElement\UpdateElement;
@@ -21,6 +23,7 @@ class ElementController
     public function __construct(
         private GetElement $getElement,
         private CreateChildElement $createChildElement,
+        private DeleteChildElement $deleteChildElement,
         private UpdateElement $updateElement,
         private FileUploader $fileUploader,
     ) {
@@ -82,6 +85,28 @@ class ElementController
         ], 201);
     }
 
+    public function deleteChild(?int $parentId, ?int $childId): JsonResponse
+    {
+        try {
+            $this->deleteChildElement->execute(
+                new DeleteChildElementRequest(
+                    parentElementId: $parentId,
+                    childElementId: $childId,
+                )
+            );
+        } catch (BadRequestException $exception) {
+            return new JsonResponse([
+                'error' => $exception->getMessage(),
+            ], 400);
+        } catch (NotFoundException $exception) {
+            return new JsonResponse([
+                'error' => $exception->getMessage(),
+            ], 404);
+        }
+
+        return new JsonResponse(null, 204);
+    }
+
     public function update(Request $request): JsonResponse
     {
         $file = $this->uploadedFileInput($request, 'file');