feat: add observable values for charts

.flutter-plugins-dependencies

@@ -1 +1 @@
-{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"path_provider_foundation","path":"C:\\\\Users\\\\FUCHSLAU\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\path_provider_foundation-2.2.2\\\\","shared_darwin_source":true,"native_build":true,"dependencies":[]}],"android":[{"name":"path_provider_android","path":"C:\\\\Users\\\\FUCHSLAU\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\path_provider_android-2.0.27\\\\","native_build":true,"dependencies":[]}],"macos":[{"name":"path_provider_foundation","path":"C:\\\\Users\\\\FUCHSLAU\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\path_provider_foundation-2.2.2\\\\","shared_darwin_source":true,"native_build":true,"dependencies":[]}],"linux":[{"name":"path_provider_linux","path":"C:\\\\Users\\\\FUCHSLAU\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\path_provider_linux-2.1.10\\\\","native_build":false,"dependencies":[]}],"windows":[{"name":"path_provider_windows","path":"C:\\\\Users\\\\FUCHSLAU\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\path_provider_windows-2.1.6\\\\","native_build":false,"dependencies":[]}],"web":[]},"dependencyGraph":[{"name":"path_provider","dependencies":["path_provider_android","path_provider_foundation","path_provider_linux","path_provider_windows"]},{"name":"path_provider_android","dependencies":[]},{"name":"path_provider_foundation","dependencies":[]},{"name":"path_provider_linux","dependencies":[]},{"name":"path_provider_windows","dependencies":[]}],"date_created":"2023-05-30 16:44:16.405074","version":"3.10.2"}
+{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"path_provider_foundation","path":"C:\\\\Users\\\\FUCHSLAU\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\path_provider_foundation-2.2.2\\\\","shared_darwin_source":true,"native_build":true,"dependencies":[]}],"android":[{"name":"path_provider_android","path":"C:\\\\Users\\\\FUCHSLAU\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\path_provider_android-2.0.27\\\\","native_build":true,"dependencies":[]}],"macos":[{"name":"path_provider_foundation","path":"C:\\\\Users\\\\FUCHSLAU\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\path_provider_foundation-2.2.2\\\\","shared_darwin_source":true,"native_build":true,"dependencies":[]}],"linux":[{"name":"path_provider_linux","path":"C:\\\\Users\\\\FUCHSLAU\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\path_provider_linux-2.1.10\\\\","native_build":false,"dependencies":[]}],"windows":[{"name":"path_provider_windows","path":"C:\\\\Users\\\\FUCHSLAU\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\path_provider_windows-2.1.6\\\\","native_build":false,"dependencies":[]}],"web":[]},"dependencyGraph":[{"name":"path_provider","dependencies":["path_provider_android","path_provider_foundation","path_provider_linux","path_provider_windows"]},{"name":"path_provider_android","dependencies":[]},{"name":"path_provider_foundation","dependencies":[]},{"name":"path_provider_linux","dependencies":[]},{"name":"path_provider_windows","dependencies":[]}],"date_created":"2023-05-30 20:39:45.634550","version":"3.10.2"}

lib/android/components/circular/circular_component.dart

@@ -1,21 +1,39 @@
+import 'package:ernaehrung/android/config/statistics.dart';
 import 'package:flutter/material.dart';
 import 'package:percent_indicator/circular_percent_indicator.dart';
 
 class CircularLoadingComponent extends StatelessWidget {
-  final int eatenCalories;
+  const CircularLoadingComponent({Key? key}) : super(key: key);
-  const CircularLoadingComponent(this.eatenCalories, {Key? key}) : super(key: key);
   final int targetCaolries = 3500; // TODO get from user data
 
   @override
-  Widget build(BuildContext context) {
+  Widget build(BuildContext context) {;
-    double progress = double.parse((eatenCalories/targetCaolries).toStringAsFixed(1));
+
-    return CircularPercentIndicator(
+  return ValueListenableBuilder(
+    valueListenable: StatisticsService.instance.eatenCalories,
+    builder: (context, value, child) {
+      double progress = double.parse((value / targetCaolries).toStringAsFixed(1));
+      progress = progress > 1.0 ? 1.0 : progress;
+
+      return Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          CircularPercentIndicator(
             animation: true,
             radius: 60.0,
             lineWidth: 5.0,
             percent: progress,
-        center: Text("${progress*100} %"),
+            center: Text(
+              "$value/$targetCaolries kcal",
+              textAlign: TextAlign.center,
+            ),
             progressColor: Colors.lightGreen,
+          ),
+        ],
       );
+    },
+  );
+
+
   }
 }

lib/android/components/circular/line_circular_with_text_component.dart

@@ -16,6 +16,7 @@ class LineCircularWiTextComponent extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     double progress = double.parse((value/total).toStringAsFixed(1));
+    progress = progress > 1.0 ? 1.0 : progress;
     return Padding(
       padding: const EdgeInsets.symmetric(vertical: 0, horizontal: 8),
       child: Column(

lib/android/components/meal_page_text/statistics_text_component.dart

@@ -11,8 +11,8 @@ class StaticsTextComponent extends StatelessWidget {
     return Text(name,
         textAlign: TextAlign.left,
         style: TextStyle(
-          color: const Color.fromARGB(255, 211, 211, 211),
+          color: const Color(0xff000000),
-          fontSize: titleOrSecondary ? 14 : 10,
+          fontSize: titleOrSecondary ? 15 : 13,
           fontWeight: titleOrSecondary ? FontWeight.w600 : FontWeight.w400
         ));
   }

lib/android/components/meal_page_text/statistics_today_component.dart

@@ -11,9 +11,7 @@ class StatisticsPercentage extends StatelessWidget {
   const StatisticsPercentage({Key? key}) : super(key: key);
 
   @override
-  Widget build(BuildContext context) {
+  Widget build(BuildContext context) {;
-    StatisticsService statisticsService = StatisticsService();
-    List<double> ingredients = statisticsService.getAllEatenIngredientsForTodayStatistics();
     return Container(
       decoration:
           BoxDecoration(border: Border.all(width: 2.0, color: Colors.black)),
@@ -22,28 +20,34 @@ class StatisticsPercentage extends StatelessWidget {
       child: Row(
         mainAxisAlignment: MainAxisAlignment.spaceBetween,
         children: [
-          Expanded(
+          const Expanded(
             child: SizedBox(
               child: Padding(
-                padding: const EdgeInsets.symmetric(vertical: 0, horizontal: 8),
+                padding: EdgeInsets.symmetric(vertical: 0, horizontal: 8),
                 child: FittedBox(
-                  child: CircularLoadingComponent(statisticsService.getAllEatenCaloriesForTodayStatistics()),
+                  child: CircularLoadingComponent(),
                 ),
               ),
             ),
           ),
           Expanded(
-            child: Column(
+            child: ValueListenableBuilder<List<double>>(
+              valueListenable: StatisticsService.instance.ingredients,
+              builder: (context, value, child) {
+                print(value);
+                return Column(
                   mainAxisAlignment: MainAxisAlignment.spaceEvenly,
                   children: [
-                // TODO adjust total values (200) to user inputs
+                    // TODO adjust 200 to values from user box
                     LineCircularWiTextComponent(
-                    Colors.green.shade400, ingredients[0], 200, "Fat (g)"),
+                        Colors.lightGreen, value[0], 200, "Fat (g)"),
                     LineCircularWiTextComponent(
-                    Colors.green.shade400, ingredients[1], 200, "Protein (g)"),
+                        Colors.lightGreen, value[1], 200, "Protein (g)"),
                     LineCircularWiTextComponent(
-                    Colors.green.shade400, ingredients[2], 200, "Carbohydrate (g)"),
+                        Colors.lightGreen, value[2], 200, "Carbohydrate (g)"),
                   ],
+                );
+              },
             ),
           )
         ],

lib/android/components/statistics_circular_indicator_component.dart

@@ -18,7 +18,7 @@ class StatisticsPercentComponent extends StatelessWidget {
       mainAxisAlignment: MainAxisAlignment.spaceBetween,
       children: [
         Text("$eaten gegessen"),
-        CircularLoadingComponent(eaten),
+        const CircularLoadingComponent(),
         Text("$calorienBurned verbrannt"),
       ],
     );

lib/android/config/statistics.dart

@@ -1,17 +1,28 @@
 import 'dart:math';
 import 'package:ernaehrung/android/components/meal_page_text/days_component.dart';
 import 'package:ernaehrung/android/config/cast_helper.dart';
+import 'package:flutter/cupertino.dart';
 import 'package:hive/hive.dart';
 import '../models/food.dart';
 
 class StatisticsService {
-  final String reducedStatisticsBoxName = 'STATISTICS_REDUCED';
-  final String mainStatisticsBoxName = 'STATISTICS_MAIN';
 
-  StatisticsService()  {
+  static final StatisticsService _instance = StatisticsService._internal();
+  factory StatisticsService() => _instance;
+
+  static StatisticsService get instance => _instance;
+
+  StatisticsService._internal() {
     initBoxes();
   }
 
+  final String reducedStatisticsBoxName = 'STATISTICS_REDUCED';
+  final String mainStatisticsBoxName = 'STATISTICS_MAIN';
+  ValueNotifier<int> eatenCalories = ValueNotifier<int>(0);
+  ValueNotifier<List<double>> ingredients = ValueNotifier<List<double>>([0,0,0]);
+
+
+
   initBoxes()async{
     Box reducedBox = Hive.box(reducedStatisticsBoxName);
     putIfKeyNotExists(reducedBox, 'FRÜHSTÜCK', []);
@@ -20,6 +31,7 @@ class StatisticsService {
     updateReducedBoxByTimespan(TimeSpan.day);
   }
 
+
   void putIfKeyNotExists(Box box, String key, dynamic value) {
     if (!box.containsKey(key)) {
       box.put(key, value);
@@ -47,8 +59,15 @@ class StatisticsService {
         }
         break;
      }
+    updateCalculationsAndNotfiyListeners();
   }
 
+  void updateCalculationsAndNotfiyListeners(){
+    eatenCalories.value = getAllEatenCaloriesForTodayStatistics();
+    eatenCalories.notifyListeners();
+    ingredients.value = getAllEatenIngredientsForTodayStatistics();
+    ingredients.notifyListeners();
+  }
   void getNewFoodAndUpdateReducedBoxByTimestamp(int timestamp){
     Map<String,List<Food>> newFood = getFoodMapForGivenTimestampFromMainBox(timestamp);
     if(newFood.keys.isNotEmpty){
@@ -78,6 +97,7 @@ class StatisticsService {
       box.put(box.keys.elementAt(i), []);
     }
   }
+
   setElementsOfReducedBox(Map<String,List<Food>> newFood){
     Box box = Hive.box(reducedStatisticsBoxName);
     Iterable<String> keys = newFood.keys;
@@ -186,8 +206,8 @@ class StatisticsService {
     for(int i = 0; i < box.keys.length;i++){
       for(Food food in box.get(box.keys.elementAt(i))){
         fat += food.fatg;
-        protein = food.proteing;
+        protein += food.proteing;
-        carbs = food.carbohydrateg;
+        carbs += food.carbohydrateg;
       }
     }
     return [fat as double,protein as double,carbs as double];
@@ -220,8 +240,6 @@ class StatisticsService {
     return sum;
   }
 
-
-
   showItems(){
     print("Statistics.dart - showItems() - ITEMS");
     //Hive.box(boxName).clear();

lib/android/pages/nav_pages/main_page.dart

@@ -1,3 +1,5 @@
+import 'package:ernaehrung/android/components/meal_page_text/days_component.dart';
+import 'package:ernaehrung/android/config/statistics.dart';
 import 'package:ernaehrung/android/pages/nav_pages/progress_page.dart';
 import 'package:ernaehrung/android/pages/nav_pages/today_page.dart';
 import 'package:flutter/material.dart';
@@ -22,6 +24,9 @@ class MainPageState extends State<MainPage> {
   void onTap(int index) {
     setState(() {
       currentIndex = index;
+      if(currentIndex == 1){
+        StatisticsService.instance.updateReducedBoxByTimespan(TimeSpan.day);
+      }
       pages[currentIndex];
     });
   }