first work on to do orders

app/Http/Controllers/ToDoController.php

@@ -14,6 +14,10 @@ class ToDoController extends Controller
     {
         $this->authorize('create', ToDoList::class);
 
+        $lastToDo = $toDoList->toDos()->orderBy('order', 'desc')->first();
+
+        request()['order'] = ($lastToDo) ? $lastToDo->order + 1 : 1;
+
         $toDo = $toDoList->toDos()->create($this->validateData());
 
         return (new ToDoResource($toDo))
@@ -32,10 +36,20 @@ class ToDoController extends Controller
             ->setStatusCode(200);
     }
 
+    public function destroy(ToDoList $toDoList, ToDo $toDo)
+    {
+        $this->authorize('delete', $toDoList);
+
+        $toDo->delete();
+
+        return response([], 204);
+    }
+
     private function validateData()
     {
         return request()->validate([
             'name' => 'required',
+            'order' => 'integer|min:1|max:1000000'
         ]);
     }
 }

app/Http/Resources/ToDo.php

@@ -21,7 +21,7 @@ class ToDo extends JsonResource
                 'attributes' => [
                     'data' => [
                         'name' => $this->name,
-                        'order' => $this->order,
+                        'order' => (int) $this->order,
                         'checked_at' => optional($this->checked_at)->diffForHumans(),
                         'last_updated' => $this->updated_at->diffForHumans(),
                     ]

app/Models/ToDoList.php

@@ -16,7 +16,7 @@ class ToDoList extends Model
         return '/to-do-lists/' . $this->id;
     }
 
-    public function users(): BelongsTo
+    public function author(): BelongsTo
     {
         return $this->belongsTo(User::class);
     }