changed difficulty logic

lib/models/difficulty.dart

@@ -1,8 +1,8 @@
-class Difficulty {
+class DifficultyUtil {
   static List<String> get difficulties {
-    return List<String>.generate(_Difficulty.values.length,
-        (index) => _Difficulty.values.elementAt(index).name);
+    return List<String>.generate(Difficulty.values.length,
+        (index) => Difficulty.values.elementAt(index).name);
   }
 }
 
-enum _Difficulty { veryEasy, easy, intermediate, hard, veryHard }
+enum Difficulty { veryEasy, easy, intermediate, hard, veryHard }

lib/models/recipe.dart

@@ -5,7 +5,7 @@ import 'steps.dart';
 class Recipe {
   final String title;
   final String description;
-  final Difficulty? difficulty;
+  final DifficultyUtil? difficulty;
   final List<Ingredient> ingredients = [];
   final Steps steps = Steps();
 

lib/pages/create_recipe_page.dart

@@ -40,7 +40,9 @@ class _CreateRecipeState extends State<CreateRecipe> {
                 label: Text('Description'),
               ),
             ),
-            const DifficultyDropdown(),
+            DifficultyDropdown(
+              onChanged: _onChanged,
+            ),
             IngredientsWidget(
               width: width * 0.9,
             ),
@@ -49,4 +51,8 @@ class _CreateRecipeState extends State<CreateRecipe> {
       ),
     );
   }
+
+  void _onChanged(int index) {
+    _recipeDifficulty = Difficulty.values.elementAt(index);
+  }
 }

lib/widgets/difficulty_dropdown.dart

@@ -2,19 +2,26 @@ import 'package:flutter/material.dart';
 
 import '../models/difficulty.dart';
 
+typedef Intcallback = void Function(int);
+
 class DifficultyDropdown extends StatelessWidget {
-  const DifficultyDropdown({super.key});
+  const DifficultyDropdown({super.key, this.onChanged});
+  final Intcallback? onChanged;
 
   @override
   Widget build(BuildContext context) {
-    List<DropdownMenuEntry> dropdownMenuEntryList = Difficulty.difficulties
-        .map(
-          (e) => _toDropdownMenuEntry(Difficulty.difficulties.indexOf(e), e),
-        )
+    List<DropdownMenuEntry> dropdownMenuEntryList = DifficultyUtil.difficulties
+        .map((e) =>
+            _toDropdownMenuEntry(DifficultyUtil.difficulties.indexOf(e), e))
         .toList();
 
     return DropdownMenu(
       dropdownMenuEntries: dropdownMenuEntryList,
+      onSelected: (value) {
+        if (onChanged != null) {
+          onChanged!(value as int);
+        }
+      },
     );
   }