[preset] GO

lib/client.dart

@@ -2,6 +2,7 @@ import 'package:http/http.dart' as http;
 import 'dart:convert';
 import 'dart:html';
 import 'package:intl/intl.dart';
+import 'package:fooder/models/meal.dart';
 
 class ApiClient {
   final String baseUrl;
@@ -86,6 +87,24 @@ class ApiClient {
     return _jsonDecode(response);
   }
 
+  Future<void> postNoResult(String path, Map<String, dynamic> body,
+      {bool forLogin = false, bool empty = false}) async {
+    final response = await httpClient.post(
+      Uri.parse('$baseUrl$path'),
+      body: jsonEncode(body),
+      headers: headers(forLogin: forLogin),
+    );
+
+    if (response.statusCode == 401) {
+      await refresh();
+      return await postNoResult(path, body, forLogin: forLogin);
+    }
+
+    if (response.statusCode != 200) {
+      throw Exception('Response returned status code: ${response.statusCode}');
+    }
+  }
+
   Future<void> delete(String path) async {
     final response = await httpClient.delete(
       Uri.parse('$baseUrl$path'),
@@ -187,6 +206,11 @@ class ApiClient {
     return response;
   }
 
+  Future<Map<String, dynamic>> getPresets(String? q) async {
+    var response = await get("/preset?${Uri(queryParameters: {"q": q}).query}");
+    return response;
+  }
+
   Future<void> addEntry({
     required double grams,
     required int productId,
@@ -204,6 +228,14 @@ class ApiClient {
     await delete("/entry/$id");
   }
 
+  Future<void> deleteMeal(int id) async {
+    await delete("/meal/$id");
+  }
+
+  Future<void> deletePreset(int id) async {
+    await delete("/preset/$id");
+  }
+
   Future<void> updateEntry(
     int id, {
     required double grams,
@@ -242,6 +274,16 @@ class ApiClient {
     });
   }
 
+  Future<void> addMealFromPreset(
+      {required String name, required int diaryId, required int order, required int presetId}) async {
+    await post("/meal/from_preset", {
+      "name": name,
+      "diary_id": diaryId,
+      "order": order,
+      "preset_id": presetId,
+    });
+  }
+
   Future<Map<String, dynamic>> addProduct({
     required String name,
     required double protein,
@@ -258,4 +300,10 @@ class ApiClient {
     });
     return response;
   }
+
+  Future<void> saveMeal(Meal meal, String name) async {
+    await postNoResult("/meal/${meal.id}/save", {
+      "name": name,
+    });
+  }
 }

lib/models/preset.dart

@@ -0,0 +1,28 @@
+class Preset {
+  final int id;
+  final String name;
+  final double calories;
+  final double protein;
+  final double carb;
+  final double fat;
+  final double fiber;
+
+  Preset({
+    required this.id,
+    required this.name,
+    required this.calories,
+    required this.protein,
+    required this.carb,
+    required this.fat,
+    required this.fiber,
+  });
+
+  Preset.fromJson(Map<String, dynamic> map)
+      : id = map['id'] as int,
+        name = map['name'] as String,
+        calories = map['calories'] as double,
+        protein = map['protein'] as double,
+        carb = map['carb'] as double,
+        fat = map['fat'] as double,
+        fiber = map['fiber'] as double;
+}

lib/screens/add_meal.dart

@@ -1,6 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:fooder/screens/based.dart';
 import 'package:fooder/models/diary.dart';
+import 'package:fooder/models/preset.dart';
+import 'package:fooder/widgets/preset.dart';
 
 class AddMealScreen extends BasedScreen {
   final Diary diary;
@@ -14,6 +16,20 @@ class AddMealScreen extends BasedScreen {
 
 class _AddMealScreen extends State<AddMealScreen> {
   final nameController = TextEditingController();
+  final presetNameController = TextEditingController();
+  bool nameChanged = false;
+  List<Preset> presets = [];
+
+  Future<void> _getPresets() async {
+    var presetsMap =
+        await widget.apiClient.getPresets(presetNameController.text);
+
+    setState(() {
+      presets = (presetsMap['presets'] as List<dynamic>)
+          .map((e) => Preset.fromJson(e as Map<String, dynamic>))
+          .toList();
+    });
+  }
 
   @override
   void initState() {
@@ -21,6 +37,7 @@ class _AddMealScreen extends State<AddMealScreen> {
     setState(() {
       nameController.text = "Meal ${widget.diary.meals.length}";
     });
+    _getPresets();
   }
 
   @override
@@ -53,8 +70,51 @@ class _AddMealScreen extends State<AddMealScreen> {
     popMeDaddy();
   }
 
+  Future<void> _deletePreset(context, Preset preset) async {
+    showDialog(
+      context: context,
+      builder: (context) {
+        return AlertDialog(
+          title: const Text('Confirm deletion of the preset'),
+          actions: <Widget>[
+            IconButton(
+              icon: const Icon(Icons.cancel),
+              onPressed: () {
+                Navigator.pop(context);
+              },
+            ),
+            IconButton(
+              icon: const Icon(Icons.delete),
+              onPressed: () {
+                widget.apiClient.deletePreset(preset.id);
+                Navigator.pop(context);
+              },
+            ),
+          ],
+        );
+      },
+    );
+  }
+
+  Future<void> _addMealFromPreset() async {
+    if (presets.length != 1) {
+      _addMeal();
+      return;
+    }
+
+    await widget.apiClient.addMealFromPreset(
+      name: nameChanged ? nameController.text : presets[0].name,
+      diaryId: widget.diary.id,
+      order: widget.diary.meals.length,
+      presetId: presets[0].id,
+    );
+    popMeDaddy();
+  }
+
   @override
   Widget build(BuildContext context) {
+    _getPresets();
+
     return Scaffold(
       appBar: AppBar(
         backgroundColor: Theme.of(context).colorScheme.inversePrimary,
@@ -64,15 +124,44 @@ class _AddMealScreen extends State<AddMealScreen> {
         child: Container(
           constraints: const BoxConstraints(maxWidth: 720),
           padding: const EdgeInsets.all(10),
-        child: TextFormField(
+          child: ListView(children: <Widget>[
+            TextFormField(
               decoration: const InputDecoration(
                 labelText: 'Meal name',
               ),
               controller: nameController,
+              onChanged: (_) => setState(() {
+                nameChanged = true;
+              }),
+            ),
+            TextFormField(
+              decoration: const InputDecoration(
+                hintText: 'Search presets',
+              ),
+              controller: presetNameController,
+              onChanged: (_) => _getPresets(),
+            ),
+            for (var preset in presets)
+              ListTile(
+                onTap: () {
+                  setState(() {
+                    presets = [preset];
+                    presetNameController.text = preset.name;
+                  });
+                  _addMealFromPreset();
+                },
+                onLongPress: () {
+                  _deletePreset(context, preset);
+                },
+                title: PresetWidget(
+                  preset: preset,
+                ),
+              ),
+          ]),
+        ),
       ),
-      )),
       floatingActionButton: FloatingActionButton(
-        onPressed: _addMeal,
+        onPressed: _addMealFromPreset,
         child: const Icon(Icons.add),
       ),
     );

lib/widgets/meal.dart

@@ -17,6 +17,69 @@ class MealWidget extends StatelessWidget {
       required this.apiClient,
       required this.refreshParent});
 
+  Future<void> saveMeal(context) async {
+    TextEditingController textFieldController = TextEditingController();
+
+    showDialog(
+      context: context,
+      builder: (context) {
+        return AlertDialog(
+          title: const Text('Save Meal'),
+          content: TextField(
+            controller: textFieldController,
+            decoration: const InputDecoration(hintText: "Meal template name"),
+          ),
+          actions: <Widget>[
+            IconButton(
+              icon: const Icon(Icons.cancel),
+              onPressed: () {
+                Navigator.pop(context);
+              },
+            ),
+            IconButton(
+              icon: const Icon(Icons.save),
+              onPressed: () {
+                apiClient.saveMeal(meal, textFieldController.text);
+                Navigator.pop(context);
+              },
+            ),
+          ],
+        );
+      },
+    );
+  }
+
+  Future<void> _deleteMeal(Meal meal) async {
+    await apiClient.deleteMeal(meal.id);
+    refreshParent();
+  }
+
+  Future<void> deleteMeal(context) async {
+    showDialog(
+      context: context,
+      builder: (context) {
+        return AlertDialog(
+          title: const Text('Confirm deletion of the meal'),
+          actions: <Widget>[
+            IconButton(
+              icon: const Icon(Icons.cancel),
+              onPressed: () {
+                Navigator.pop(context);
+              },
+            ),
+            IconButton(
+              icon: const Icon(Icons.delete),
+              onPressed: () {
+                _deleteMeal(meal);
+                Navigator.pop(context);
+              },
+            ),
+          ],
+        );
+      },
+    );
+  }
+
   @override
   Widget build(BuildContext context) {
     return Card(
@@ -36,6 +99,14 @@ class MealWidget extends StatelessWidget {
                           ),
                     ),
                   ),
+                  IconButton(
+                    icon: const Icon(Icons.delete),
+                    onPressed: () {deleteMeal(context);},
+                  ),
+                  IconButton(
+                    icon: const Icon(Icons.save),
+                    onPressed: () {saveMeal(context);},
+                  ),
                   Text("${meal.calories.toStringAsFixed(1)} kcal"),
                 ],
               ),

lib/widgets/preset.dart

@@ -0,0 +1,40 @@
+import 'package:flutter/material.dart';
+import 'package:fooder/models/preset.dart';
+import 'package:fooder/widgets/macro.dart';
+import 'dart:core';
+
+class PresetWidget extends StatelessWidget {
+  final Preset preset;
+
+  const PresetWidget({super.key, required this.preset});
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      padding: const EdgeInsets.all(8),
+      child: Column(
+        children: <Widget>[
+          Row(
+            children: <Widget>[
+              Expanded(
+                child: Text(
+                  preset.name,
+                  style: Theme.of(context).textTheme.titleLarge,
+                ),
+              ),
+              Text("${preset.calories.toStringAsFixed(1)} kcal"),
+            ],
+          ),
+          MacroWidget(
+            protein: preset.protein,
+            carb: preset.carb,
+            fat: preset.fat,
+            style: Theme.of(context).textTheme.bodyMedium!.copyWith(
+                  color: Theme.of(context).colorScheme.secondary,
+                ),
+          ),
+        ],
+      ),
+    );
+  }
+}