changed totalTime to be a getter for preptime + cooktime

lib/models/recipe.dart

@@ -2,20 +2,6 @@ import '../src/enums.dart' show Difficulty, Cuisine, MealCategory;
 import 'ingredient_list_entry.dart';
 
 class Recipe {
-  final int id;
-  final String title;
-  final String description;
-  final Difficulty difficulty;
-  final List<IngredientListEntry> ingredients;
-  final List<String> steps;
-  final DateTime datePublished;
-  final Duration prepTime;
-  final Duration cookTime;
-  final Duration totalTime;
-  final List<String> keywords;
-  final MealCategory? mealCategory;
-  final Cuisine? cuisine;
-
   Recipe({
     this.id = -1,
     this.title = '',
@@ -24,7 +10,6 @@ class Recipe {
     required this.datePublished,
     this.prepTime = const Duration(),
     this.cookTime = const Duration(),
-    this.totalTime = const Duration(),
     this.mealCategory,
     this.cuisine,
     this.ingredients = const [],
@@ -32,6 +17,21 @@ class Recipe {
     this.steps = const [],
   });
 
+  final Duration cookTime;
+  final Cuisine? cuisine;
+  final DateTime datePublished;
+  final String description;
+  final Difficulty difficulty;
+  final int id;
+  final List<IngredientListEntry> ingredients;
+  final List<String> keywords;
+  final MealCategory? mealCategory;
+  final Duration prepTime;
+  final List<String> steps;
+  final String title;
+
+  Duration get totalTime => cookTime + prepTime;
+
   Recipe copyWith({
     int? id,
     String? title,
@@ -61,7 +61,6 @@ class Recipe {
       datePublished: datePublished ?? this.datePublished,
       prepTime: prepTime ?? this.prepTime,
       cookTime: cookTime ?? this.cookTime,
-      totalTime: totalTime ?? this.totalTime,
       keywords: keywords != null
           ? List<String>.from(keywords)
           : List<String>.from(this.keywords),

lib/pages/create_recipe_page.dart

@@ -1,5 +1,7 @@
 import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
 
+import '../services/providers/recipe_provider.dart';
 import 'create_recipe_pages/ingredients_page.dart';
 import 'create_recipe_pages/metadata_page.dart';
 import 'create_recipe_pages/steps_page.dart';
@@ -21,6 +23,8 @@ class _CreateRecipePageState extends State<CreateRecipePage> {
     const StepsPage(),
   ];
 
+  late RecipeProvider _recipeProvider;
+
   final List<NavigationDestination> _destinations = [
     NavigationDestination(
       icon: Icon(Icons.list),
@@ -38,6 +42,7 @@ class _CreateRecipePageState extends State<CreateRecipePage> {
 
   @override
   Widget build(BuildContext context) {
+    _recipeProvider = context.watch<RecipeProvider>();
     return Scaffold(
       appBar: AppBar(),
       bottomNavigationBar: NavigationBar(
@@ -47,7 +52,16 @@ class _CreateRecipePageState extends State<CreateRecipePage> {
           _currentPageIndex = value;
         }),
       ),
-      body: _pages.elementAt(_currentPageIndex),
+      body: IndexedStack(
+        index: _currentPageIndex,
+        children: _pages,
+      ),
     );
   }
+
+  @override
+  void dispose() {
+    super.dispose();
+    _recipeProvider.disposeRecipe();
+  }
 }

lib/services/providers/recipe_provider.dart

@@ -66,13 +66,6 @@ class RecipeProvider extends ChangeNotifier {
     }
   }
 
-  void updateTotalTime(Duration totalTime, {bool silent = false}) {
-    _recipe = _recipe.copyWith(totalTime: totalTime);
-    if (!silent) {
-      notifyListeners();
-    }
-  }
-
   void updateKeywords(List<String> keywords, {bool silent = false}) {
     _recipe = _recipe.copyWith(keywords: keywords);
     if (!silent) {
@@ -148,4 +141,8 @@ class RecipeProvider extends ChangeNotifier {
       notifyListeners();
     }
   }
+
+  void disposeRecipe() {
+    _recipe = Recipe(datePublished: DateTime.now());
+  }
 }

lib/widgets/duration_picker.dart

@@ -6,11 +6,13 @@ class DurationPicker extends StatefulWidget {
     required this.onChangedCallback,
     required this.width,
     required this.height,
+    this.initialDuration = const Duration(),
   });
 
   final void Function(Duration duration) onChangedCallback;
   final double width;
   final double height;
+  final Duration initialDuration;
 
   @override
   State<DurationPicker> createState() => _DurationPickerState();
@@ -19,6 +21,15 @@ class DurationPicker extends StatefulWidget {
 class _DurationPickerState extends State<DurationPicker> {
   String _timeString = '';
 
+  @override
+  void initState() {
+    super.initState();
+    if (widget.initialDuration.inMinutes != 0) {
+      _timeString =
+          '${widget.initialDuration.inHours}${widget.initialDuration.inMinutes % 60}';
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     return Column(
@@ -69,7 +80,7 @@ class _DurationPickerState extends State<DurationPicker> {
                 child: ElevatedButton(
                   style: _buttonTheme,
                   onPressed: () => _addTime(7),
-                  child: _getTextWidget('7'),
+                  child: Text('7'),
                 ),
               ),
             ),
@@ -81,7 +92,7 @@ class _DurationPickerState extends State<DurationPicker> {
                 child: ElevatedButton(
                   style: _buttonTheme,
                   onPressed: () => _addTime(8),
-                  child: _getTextWidget('8'),
+                  child: Text('8'),
                 ),
               ),
             ),
@@ -93,7 +104,7 @@ class _DurationPickerState extends State<DurationPicker> {
                 child: ElevatedButton(
                   style: _buttonTheme,
                   onPressed: () => _addTime(9),
-                  child: _getTextWidget('9'),
+                  child: Text('9'),
                 ),
               ),
             ),
@@ -111,7 +122,7 @@ class _DurationPickerState extends State<DurationPicker> {
                 child: ElevatedButton(
                   style: _buttonTheme,
                   onPressed: () => _addTime(4),
-                  child: _getTextWidget('4'),
+                  child: Text('4'),
                 ),
               ),
             ),
@@ -123,7 +134,7 @@ class _DurationPickerState extends State<DurationPicker> {
                 child: ElevatedButton(
                   style: _buttonTheme,
                   onPressed: () => _addTime(5),
-                  child: _getTextWidget('5'),
+                  child: Text('5'),
                 ),
               ),
             ),
@@ -135,7 +146,7 @@ class _DurationPickerState extends State<DurationPicker> {
                 child: ElevatedButton(
                   style: _buttonTheme,
                   onPressed: () => _addTime(6),
-                  child: _getTextWidget('6'),
+                  child: Text('6'),
                 ),
               ),
             ),
@@ -153,7 +164,7 @@ class _DurationPickerState extends State<DurationPicker> {
                 child: ElevatedButton(
                   style: _buttonTheme,
                   onPressed: () => _addTime(1),
-                  child: _getTextWidget('1'),
+                  child: Text('1'),
                 ),
               ),
             ),
@@ -165,7 +176,7 @@ class _DurationPickerState extends State<DurationPicker> {
                 child: ElevatedButton(
                   style: _buttonTheme,
                   onPressed: () => _addTime(2),
-                  child: _getTextWidget('2'),
+                  child: Text('2'),
                 ),
               ),
             ),
@@ -177,7 +188,7 @@ class _DurationPickerState extends State<DurationPicker> {
                 child: ElevatedButton(
                   style: _buttonTheme,
                   onPressed: () => _addTime(3),
-                  child: _getTextWidget('3'),
+                  child: Text('3'),
                 ),
               ),
             ),
@@ -200,7 +211,7 @@ class _DurationPickerState extends State<DurationPicker> {
                 child: ElevatedButton(
                   style: _buttonTheme,
                   onPressed: () => _addTime(0),
-                  child: _getTextWidget('0'),
+                  child: Text('0'),
                 ),
               ),
             ),
@@ -225,10 +236,6 @@ class _DurationPickerState extends State<DurationPicker> {
     );
   }
 
-  Text _getTextWidget(String text) {
-    return Text(text);
-  }
-
   void _addTime(int time) {
     if (_timeString.length >= 4) return;
     if (_timeString.isEmpty && time == 0) return;