14 changed files with 353 additions and 802 deletions
--- a/lib/food_entry/enter_food_widget.dart
+++ b/lib/food_entry/enter_food_widget.dart
@ -1,10 +1,12 @@
+import 'package:calorimeter/utils/enter_food_controller.dart';
 import 'package:calorimeter/storage/storage.dart';
 import 'package:flutter/material.dart';
 import 'package:calorimeter/food_entry/food_entry_bloc.dart';
 import 'package:calorimeter/utils/row_with_spacers_widget.dart';
+import 'package:provider/provider.dart';

 class EnterFoodWidget extends StatefulWidget {
-  final Function(BuildContext context, FoodEntryState entry) onAdd;
+  final Function(BuildContext context, FoodEntry entry) onAdd;

  const EnterFoodWidget({super.key, required this.onAdd});

@ -16,7 +18,7 @@ class _EnterFoodWidgetState extends State<EnterFoodWidget> {
  late TextEditingController nameController;
  late TextEditingController massController;
  late TextEditingController kcalPerMassController;
-  late Map<String, int> suggestions;
+  late Map<String, double> suggestions;

  @override
  void initState() {
@ -30,80 +32,88 @@ class _EnterFoodWidgetState extends State<EnterFoodWidget> {

  @override
  Widget build(BuildContext context) {
-    return Padding(
-      padding: const EdgeInsets.symmetric(horizontal: 8.0),
-      child: RowWidget(
-        Autocomplete<String>(
-            optionsViewOpenDirection: OptionsViewOpenDirection.down,
-            fieldViewBuilder: (context, controller, focusNode, onSubmitted) {
-              nameController = controller;
-              return TextFormField(
-                controller: controller,
-                focusNode: focusNode,
-                decoration: const InputDecoration(
-                  label: Text("Name"),
-                ),
-              );
-            },
-            optionsBuilder: (TextEditingValue textEditingValue) {
-              if (textEditingValue.text == '') {
-                return const Iterable<String>.empty();
-              }
+    return Consumer<EnterFoodController>(
+      builder: (context, food, child) {
+        nameController.text = food.name;
+        kcalPerMassController.text = food.kcalPer100g;

-              return suggestions.keys.where(
-                (name) {
-                  return name
-                      .toLowerCase()
-                      .contains(textEditingValue.text.toLowerCase());
+        return Padding(
+          padding: const EdgeInsets.symmetric(horizontal: 8.0),
+          child: RowWidget(
+            Autocomplete<String>(
+                optionsViewOpenDirection: OptionsViewOpenDirection.down,
+                fieldViewBuilder:
+                    (context, controller, focusNode, onSubmitted) {
+                  nameController = controller;
+                  return TextFormField(
+                    controller: controller,
+                    focusNode: focusNode,
+                    decoration: const InputDecoration(
+                      label: Text("Name"),
+                    ),
+                  );
                },
-              );
-            },
-            onSelected: (selectedFood) {
-              int kcalPerMassForSelectedFood = suggestions[selectedFood]!;
-              setState(() {
-                nameController.text = selectedFood;
-                kcalPerMassController.text =
-                    kcalPerMassForSelectedFood.toString();
-              });
-            }),
-        TextField(
-          textAlign: TextAlign.end,
-          decoration: const InputDecoration(
-            label:
-                Align(alignment: Alignment.centerRight, child: Text("Menge")),
-          ),
-          keyboardType: TextInputType.number,
-          controller: massController,
-          onSubmitted: (value) => onSubmitAction(),
-        ),
-        TextField(
-          textAlign: TextAlign.end,
-          decoration: const InputDecoration(
-              label: Align(
-                  alignment: Alignment.centerRight, child: Text("kcal pro"))),
-          keyboardType: TextInputType.number,
-          controller: kcalPerMassController,
-          onSubmitted: (value) => onSubmitAction(),
-        ),
-        Padding(
-          padding: const EdgeInsets.only(left: 16.0),
-          child: ElevatedButton(
-              style: ElevatedButton.styleFrom(
-                padding: EdgeInsets.zero,
+                optionsBuilder: (TextEditingValue textEditingValue) {
+                  if (textEditingValue.text == '') {
+                    return const Iterable<String>.empty();
+                  }
+
+                  return suggestions.keys.where(
+                    (name) {
+                      return name
+                          .toLowerCase()
+                          .contains(textEditingValue.text.toLowerCase());
+                    },
+                  );
+                },
+                onSelected: (selectedFood) {
+                  double kcalPerMassForSelectedFood =
+                      suggestions[selectedFood]!;
+                  context
+                      .read<EnterFoodController>()
+                      .set(selectedFood, kcalPerMassForSelectedFood.toString());
+                }),
+            TextField(
+              textAlign: TextAlign.end,
+              decoration: const InputDecoration(
+                label: Align(
+                    alignment: Alignment.centerRight, child: Text("Menge")),
              ),
-              onPressed: () => onSubmitAction(),
-              child: const Icon(Icons.add)),
-        ),
-      ),
+              keyboardType: TextInputType.number,
+              controller: massController,
+              onSubmitted: (value) => onSubmitAction(),
+            ),
+            TextField(
+              textAlign: TextAlign.end,
+              decoration: const InputDecoration(
+                  label: Align(
+                      alignment: Alignment.centerRight,
+                      child: Text("kcal pro"))),
+              keyboardType: TextInputType.number,
+              controller: kcalPerMassController,
+              onSubmitted: (value) => onSubmitAction(),
+            ),
+            Padding(
+              padding: const EdgeInsets.only(left: 16.0),
+              child: ElevatedButton(
+                  style: ElevatedButton.styleFrom(
+                    padding: EdgeInsets.zero,
+                  ),
+                  onPressed: () => onSubmitAction(),
+                  child: const Icon(Icons.add)),
+            ),
+          ),
+        );
+      },
    );
  }

  void onSubmitAction() {
-    int massAsNumber = 0;
-    int kcalPerMassAsNumber = 0;
+    double massAsNumber = 0.0;
+    double kcalPerMassAsNumber = 0.0;

    try {
-      massAsNumber = int.parse(massController.text.replaceAll(",", "."));
+      massAsNumber = double.parse(massController.text.replaceAll(",", "."));
    } catch (e) {
      var snackbar = const SnackBar(content: Text("Menge muss eine Zahl sein"));
      ScaffoldMessenger.of(context).clearSnackBars();
@ -113,28 +123,21 @@ class _EnterFoodWidgetState extends State<EnterFoodWidget> {

    try {
      kcalPerMassAsNumber =
-          int.parse(kcalPerMassController.text.replaceAll(",", "."));
+          double.parse(kcalPerMassController.text.replaceAll(",", "."));
    } catch (e) {
      var snackbar =
          const SnackBar(content: Text("'kcal pro 100g' muss eine Zahl sein"));
-      ScaffoldMessenger.of(context).removeCurrentSnackBar();
+      ScaffoldMessenger.of(context).clearSnackBars();
      ScaffoldMessenger.of(context).showSnackBar(snackbar);
      return;
    }

-    var entry = FoodEntryState(
-      name: nameController.text,
-      mass: massAsNumber,
-      kcalPer100: kcalPerMassAsNumber,
-      waitingForNetwork: false,
-      isSelected: false,
-    );
+    var entry = FoodEntry(
+        name: nameController.text,
+        mass: massAsNumber,
+        kcalPerMass: kcalPerMassAsNumber);

    widget.onAdd(context, entry);
-    setState(() {
-      nameController.text = "";
-      massController.text = "";
-      kcalPerMassController.text = "";
-    });
+    context.read<EnterFoodController>().set("", "");
  }
 }
--- a/lib/food_entry/food_entry_bloc.dart
+++ b/lib/food_entry/food_entry_bloc.dart
@ -1,305 +1,104 @@
-import 'package:barcode_scan2/barcode_scan2.dart';
-import 'package:calorimeter/food_scan/food_fact_lookup.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:calorimeter/storage/storage.dart';
 import 'package:uuid/uuid.dart';

-class FoodEntryBloc extends Bloc<FoodEvent, GlobalEntryState> {
-  final GlobalEntryState initialState;
+class FoodEntryBloc extends Bloc<FoodEvent, FoodEntryState> {
+  final FoodEntryState initialState;
  final FoodStorage storage;
+  final DateTime forDate;

-  FoodEntryBloc({required this.initialState, required this.storage})
+  FoodEntryBloc(
+      {required this.initialState,
+      required this.forDate,
+      required this.storage})
      : super(initialState) {
-    on<PageBeingInitialized>(handlePageBeingInitialized);
    on<FoodEntryEvent>(handleFoodEntryEvent);
-    on<FoodChangedEvent>(handleFoodChangedEvent);
-    on<FoodDeletionEvent>(handleDeleteFoodEvent);
-    on<BarcodeScanned>(handleBarcodeScannedEvent);
-    on<FoodEntryTapped>(handleFoodEntryTapped);
-  }
-  void handlePageBeingInitialized(
-      PageBeingInitialized event, Emitter<GlobalEntryState> emit) async {
-    var newList = await storage.getEntriesForDate(event.forDate);
-    state.foodEntries.addAll({event.forDate: newList});
-
-    emit(GlobalEntryState(foodEntries: state.foodEntries));
+    on<FoodDeletionEvent>(deleteFood);
+    on<PageChangedEvent>(updateEntries);
  }

  void handleFoodEntryEvent(
-      FoodEntryEvent event, Emitter<GlobalEntryState> emit) async {
-    var entriesForDate = state.foodEntries[event.forDate];
-    entriesForDate ??= [];
+      FoodEntryEvent event, Emitter<FoodEntryState> emit) async {
+    FoodEntryState newState = FoodEntryState.from(state);
+    newState.addEntry(event.entry);

-    entriesForDate.add(event.entry);
-
-    await storage.writeEntriesForDate(event.forDate, entriesForDate);
+    await storage.writeEntriesForDate(forDate, newState.foodEntries);
    storage.addFoodEntryToLookupDatabase(event.entry);

-    // this is just checking if writing to the database worked
-    // can be optimized out by just emitting newState
-    var newList = await storage.getEntriesForDate(event.forDate);
-
-    var newFoodEntries = state.foodEntries;
-    newFoodEntries.addAll({event.forDate: newList});
-
-    emit(GlobalEntryState(foodEntries: newFoodEntries));
+    emit(newState);
  }

-  void handleFoodChangedEvent(
-      FoodChangedEvent event, Emitter<GlobalEntryState> emit) async {
-    var entriesForDate = state.foodEntries[event.forDate];
-    if (entriesForDate == null) return;
+  void deleteFood(FoodDeletionEvent event, Emitter<FoodEntryState> emit) async {
+    state.foodEntries.removeWhere((entry) => entry.id == event.entryID);

-    var index = entriesForDate.indexWhere((entry) {
-      return entry.id == event.newEntry.id;
-    });
+    await storage.writeEntriesForDate(forDate, state.foodEntries);

-    entriesForDate.removeAt(index);
-    entriesForDate.insert(index, event.newEntry);
-
-    await storage.writeEntriesForDate(event.forDate, entriesForDate);
-    storage.addFoodEntryToLookupDatabase(event.newEntry);
-
-    // this is just checking if writing to the database worked
-    // can be optimized out by just emitting newState
-    var newList = await storage.getEntriesForDate(event.forDate);
-
-    var newFoodEntries = state.foodEntries;
-    newFoodEntries.addAll({event.forDate: newList});
-
-    emit(GlobalEntryState(foodEntries: newFoodEntries));
+    emit(FoodEntryState.from(state));
  }

-  void handleDeleteFoodEvent(
-      FoodDeletionEvent event, Emitter<GlobalEntryState> emit) async {
-    var entriesForDate = state.foodEntries[event.forDate];
-    if (entriesForDate == null) return;
-
-    entriesForDate.removeWhere((entry) => entry.id == event.entryID);
-
-    await storage.writeEntriesForDate(event.forDate, entriesForDate);
-
-    // this is just checking if writing to the database worked
-    // can be optimized out by just emitting newState
-    var newList = await storage.getEntriesForDate(event.forDate);
-
-    var newFoodEntries = state.foodEntries;
-    newFoodEntries.addAll({event.forDate: newList});
-
-    emit(GlobalEntryState(foodEntries: newFoodEntries));
-  }
-
-  void handleBarcodeScannedEvent(
-      BarcodeScanned event, Emitter<GlobalEntryState> emit) async {
-    var entriesForDate = state.foodEntries[event.forDate];
-    if (entriesForDate == null) return;
-
-    var client = FoodFactLookupClient();
-    var scanResult = await event.scanResultFuture;
-
-    if (scanResult.type == ResultType.Cancelled) {
-      return;
-    }
-    if (scanResult.type == ResultType.Error) {
-      emit(GlobalEntryState(
-          foodEntries: state.foodEntries,
-          errorString: "Fehler beim Scannen des Barcodes"));
-      return;
-    }
-    var responseFuture = client.retrieveFoodInfo(scanResult.rawContent);
-
-    var newEntryWaiting = FoodEntryState(
-      kcalPer100: 0,
-      name: "",
-      mass: 0,
-      waitingForNetwork: true,
-      isSelected: false,
-    );
-    entriesForDate.add(newEntryWaiting);
-    var newFoodEntries = state.foodEntries;
-    newFoodEntries.addAll({event.forDate: entriesForDate});
-    emit(GlobalEntryState(foodEntries: newFoodEntries));
-
-    await responseFuture.then((response) async {
-      var index = entriesForDate
-          .indexWhere((entryState) => entryState.id == newEntryWaiting.id);
-
-      // element not found (was deleted previously)
-      if (index == -1) {
-        return;
-      }
-
-      if (response.status == FoodFactResponseStatus.barcodeNotFound) {
-        entriesForDate.removeWhere((entry) => entry.id == newEntryWaiting.id);
-        var newFoodEntries = state.foodEntries;
-        newFoodEntries.addAll({event.forDate: entriesForDate});
-
-        emit(GlobalEntryState(
-            foodEntries: newFoodEntries,
-            errorString: "Barcode konnte nicht gefunden werden."));
-        return;
-      }
-      if (response.status ==
-          FoodFactResponseStatus.foodFactServerNotReachable) {
-        entriesForDate.removeWhere((entry) => entry.id == newEntryWaiting.id);
-        var newFoodEntries = state.foodEntries;
-        newFoodEntries.addAll({event.forDate: entriesForDate});
-
-        emit(GlobalEntryState(
-            foodEntries: newFoodEntries,
-            errorString: "OpenFoodFacts-Server konnte nicht erreicht werden."));
-        return;
-      }
-
-      var newEntryFinishedWaiting = FoodEntryState(
-        name: response.food?.name ?? "",
-        mass: response.food?.mass ?? 0,
-        kcalPer100: response.food?.kcalPer100g ?? 0,
-        waitingForNetwork: false,
-        isSelected: false,
-      );
-
-      entriesForDate.removeAt(index);
-      entriesForDate.insert(index, newEntryFinishedWaiting);
-
-      await storage.writeEntriesForDate(event.forDate, entriesForDate);
-      storage.addFoodEntryToLookupDatabase(newEntryFinishedWaiting);
-
-      var entriesFromStorage = await storage.getEntriesForDate(event.forDate);
-      var newFoodEntries = state.foodEntries;
-      newFoodEntries.addAll({event.forDate: entriesFromStorage});
-
-      emit(GlobalEntryState(foodEntries: newFoodEntries));
-    });
-  }
-
-  void handleFoodEntryTapped(
-      FoodEntryTapped event, Emitter<GlobalEntryState> emit) async {
-    var entriesForDate = state.foodEntries[event.forDate];
-    if (entriesForDate == null) return;
-
-    var oldStateOfTappedEntry = event.entry.isSelected;
-
-    for (var entry in entriesForDate) {
-      entry.isSelected = false;
-    }
-
-    var selectedEntry = entriesForDate.firstWhere((entry) {
-      return entry.id == event.entry.id;
-    });
-
-    selectedEntry.isSelected = !oldStateOfTappedEntry;
-
-    emit(GlobalEntryState(foodEntries: state.foodEntries));
+  void updateEntries(
+      PageChangedEvent event, Emitter<FoodEntryState> emit) async {
+    var entries = await storage.getEntriesForDate(event.changedToDate);
+    var newState = FoodEntryState(foodEntries: entries);
+    emit(newState);
  }
 }

-class FoodEvent {
-  final DateTime forDate;
-
-  FoodEvent({required this.forDate});
-}
-
-class PageBeingInitialized extends FoodEvent {
-  PageBeingInitialized({required super.forDate});
-}
+class FoodEvent {}

 class FoodEntryEvent extends FoodEvent {
-  final FoodEntryState entry;
+  final FoodEntry entry;

-  FoodEntryEvent({required this.entry, required super.forDate});
-}
-
-class FoodChangedEvent extends FoodEvent {
-  final FoodEntryState newEntry;
-
-  FoodChangedEvent({required this.newEntry, required super.forDate});
+  FoodEntryEvent({required this.entry});
 }

 class FoodDeletionEvent extends FoodEvent {
  final String entryID;

-  FoodDeletionEvent({required this.entryID, required super.forDate});
+  FoodDeletionEvent({required this.entryID});
 }

-class BarcodeScanned extends FoodEvent {
-  final Future<ScanResult> scanResultFuture;
+class PageChangedEvent extends FoodEvent {
+  final DateTime changedToDate;

-  BarcodeScanned({required this.scanResultFuture, required super.forDate});
-}
-
-class FoodEntryTapped extends FoodEvent {
-  final FoodEntryState entry;
-
-  FoodEntryTapped({required this.entry, required super.forDate});
-}
-
-/// This is the state for one date/page
-class GlobalEntryState {
-  final Map<DateTime, List<FoodEntryState>> foodEntries;
-  final String? errorString;
-
-  GlobalEntryState({required this.foodEntries, this.errorString});
-
-  factory GlobalEntryState.init() {
-    return GlobalEntryState(foodEntries: {});
-  }
-
-  static from(GlobalEntryState state) {
-    return GlobalEntryState(foodEntries: state.foodEntries);
-  }
-
-  bool addEntry(FoodEntryState entry, DateTime date) {
-    var list = foodEntries[date];
-
-    if (list == null) {
-      return false;
-    }
-
-    list.add(entry);
-
-    return true;
-  }
+  PageChangedEvent({required this.changedToDate});
 }

 class FoodEntryState {
-  final String id;
-  final String name;
-  final int mass;
-  final int kcalPer100;
-  final bool waitingForNetwork;
-  bool isSelected;
+  final List<FoodEntry> foodEntries;

-  factory FoodEntryState({
-    required name,
-    required mass,
-    required kcalPer100,
-    required waitingForNetwork,
-    required isSelected,
-  }) {
-    return FoodEntryState.withID(
-      id: const Uuid().v1(),
-      name: name,
-      mass: mass,
-      kcalPer100: kcalPer100,
-      waitingForNetwork: waitingForNetwork,
-      isSelected: isSelected,
-    );
+  FoodEntryState({required this.foodEntries});
+
+  factory FoodEntryState.init() {
+    return FoodEntryState(foodEntries: []);
  }

-  FoodEntryState.withID({
-    required this.id,
+  static from(FoodEntryState state) {
+    List<FoodEntry> newList = List.from(state.foodEntries);
+    return FoodEntryState(foodEntries: newList);
+  }
+
+  void addEntry(FoodEntry entry) {
+    foodEntries.add(entry);
+  }
+}
+
+class FoodEntry {
+  final String name;
+  final double mass;
+  final double kcalPerMass;
+  final String id;
+
+  FoodEntry({
    required this.name,
    required this.mass,
-    required this.kcalPer100,
-    required this.waitingForNetwork,
-    required this.isSelected,
-  });
+    required this.kcalPerMass,
+  }) : id = const Uuid().v1();

  @override
  String toString() {
    //we use quotation marks around the name because the name might contain
    //commas and we want to store it in a csv file
-    return '$id,"$name",$mass,$kcalPer100';
+    return '$id,"$name",$mass,$kcalPerMass';
  }
 }
--- a/lib/food_entry/food_entry_widget.dart
+++ b/lib/food_entry/food_entry_widget.dart
@ -3,33 +3,33 @@ import 'package:calorimeter/food_entry/food_entry_bloc.dart';
 import 'package:calorimeter/utils/row_with_spacers_widget.dart';

 class FoodEntryWidget extends StatefulWidget {
-  final FoodEntryState entry;
+  final FoodEntry entry;
  final Function(BuildContext context, String id) onDelete;
-  final Function(BuildContext context, FoodEntryState entry) onChange;
-  final Function(BuildContext context, FoodEntryState entry) onTap;

-  const FoodEntryWidget({
-    super.key,
-    required this.entry,
-    required this.onDelete,
-    required this.onChange,
-    required this.onTap,
-  });
+  const FoodEntryWidget(
+      {super.key, required this.entry, required this.onDelete});

  @override
  State<FoodEntryWidget> createState() => _FoodEntryWidgetState();
 }

 class _FoodEntryWidgetState extends State<FoodEntryWidget> {
+  late bool showCancelAndDelete;
+
  @override
  void initState() {
+    showCancelAndDelete = false;
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return GestureDetector(
-      onTap: () => widget.onTap(context, widget.entry),
+      onTap: () {
+        setState(() {
+          showCancelAndDelete = !showCancelAndDelete;
+        });
+      },
      child: Stack(
        children: [
          Positioned.fill(
@ -38,65 +38,43 @@ class _FoodEntryWidgetState extends State<FoodEntryWidget> {
                child: Padding(
                  padding: const EdgeInsets.symmetric(horizontal: 8.0),
                  child: RowWidget(
-                    widget.entry.waitingForNetwork
-                        ? const Center(child: CircularProgressIndicator())
-                        : Text(widget.entry.name),
-                    widget.entry.waitingForNetwork
-                        ? Container()
-                        : Text(widget.entry.mass.ceil().toString(),
-                            textAlign: TextAlign.end),
+                    Text(widget.entry.name),
+                    Text(widget.entry.mass.ceil().toString(),
+                        textAlign: TextAlign.end),
+                    Text(widget.entry.kcalPerMass.ceil().toString(),
+                        textAlign: TextAlign.end),
                    Opacity(
-                      opacity: widget.entry.isSelected ? 0.0 : 1.0,
-                      child: widget.entry.waitingForNetwork
-                          ? Container()
-                          : Text(widget.entry.kcalPer100.ceil().toString(),
-                              textAlign: TextAlign.end),
-                    ),
-                    Opacity(
-                      opacity: widget.entry.isSelected ? 0.0 : 1.0,
-                      child: widget.entry.waitingForNetwork
-                          ? Container()
-                          : Text(
-                              (widget.entry.mass *
-                                      widget.entry.kcalPer100 /
-                                      100)
-                                  .ceil()
-                                  .toString(),
-                              textAlign: TextAlign.end),
+                      opacity: showCancelAndDelete ? 0.0 : 1.0,
+                      child: Text(
+                          (widget.entry.mass * widget.entry.kcalPerMass / 100)
+                              .ceil()
+                              .toString(),
+                          textAlign: TextAlign.end),
                    ),
                  ),
                ),
              ),
              Opacity(
-                  opacity: widget.entry.isSelected ? 0.66 : 0.0,
+                  opacity: showCancelAndDelete ? 0.66 : 0.0,
                  child: Container(
                      color: Theme.of(context).colorScheme.secondary)),
            ]),
          ),
          Opacity(
-            opacity: widget.entry.isSelected ? 1.0 : 0.0,
+            opacity: showCancelAndDelete ? 1.0 : 0.0,
            child: Row(
              mainAxisAlignment: MainAxisAlignment.end,
              children: [
                SizedBox(
                  child: IconButton(
-                      padding: const EdgeInsets.all(0.0),
-                      icon: const Icon(Icons.edit),
-                      onPressed: widget.entry.isSelected
-                          ? () async {
-                              widget.onTap(context, widget.entry);
-                              await showDialog(
-                                context: context,
-                                builder: (dialogContext) {
-                                  return FoodEntryChangeDialog(
-                                      entry: widget.entry,
-                                      onChange: (context, entry) {
-                                        widget.onChange(context, entry);
-                                      });
-                                },
-                              );
-                            }
-                          : null),
+                    padding: const EdgeInsets.all(0.0),
+                    icon: const Icon(Icons.cancel),
+                    onPressed: showCancelAndDelete
+                        ? () => setState(() {
+                              showCancelAndDelete = false;
+                            })
+                        : null,
+                  ),
                ),
                SizedBox(
                  child: IconButton(
@ -104,7 +82,7 @@ class _FoodEntryWidgetState extends State<FoodEntryWidget> {
                      iconSize: 24,
                      icon: const Icon(Icons.delete),
                      color: Colors.redAccent,
-                      onPressed: widget.entry.isSelected
+                      onPressed: showCancelAndDelete
                          ? () => widget.onDelete(context, widget.entry.id)
                          : null),
                ),
@ -116,125 +94,3 @@ class _FoodEntryWidgetState extends State<FoodEntryWidget> {
    );
  }
 }
-
-class FoodEntryChangeDialog extends StatefulWidget {
-  final FoodEntryState entry;
-  final Function(BuildContext context, FoodEntryState entry) onChange;
-
-  const FoodEntryChangeDialog(
-      {required this.entry, super.key, required this.onChange});
-
-  @override
-  State<FoodEntryChangeDialog> createState() => _FoodEntryChangeDialogState();
-}
-
-class _FoodEntryChangeDialogState extends State<FoodEntryChangeDialog> {
-  late TextEditingController nameController;
-  late TextEditingController massController;
-  late TextEditingController kcalPer100Controller;
-
-  static const textFieldVerticalPadding = 16.0;
-  static const textFieldHorizontalPadding = 16.0;
-
-  @override
-  void initState() {
-    nameController = TextEditingController();
-    nameController.text = widget.entry.name;
-
-    massController = TextEditingController();
-    massController.text = widget.entry.mass.toString();
-
-    kcalPer100Controller = TextEditingController();
-    kcalPer100Controller.text = widget.entry.kcalPer100.toString();
-
-    super.initState();
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return AlertDialog(
-      content: Column(
-        mainAxisSize: MainAxisSize.min,
-        children: [
-          Padding(
-            padding: const EdgeInsets.symmetric(
-                vertical: textFieldVerticalPadding,
-                horizontal: textFieldHorizontalPadding),
-            child: TextField(
-              onSubmitted: (val) => _onSubmitAction(),
-              controller: nameController,
-              decoration: const InputDecoration(
-                label: Text("Name"),
-              ),
-            ),
-          ),
-          Padding(
-            padding: const EdgeInsets.symmetric(
-                vertical: textFieldVerticalPadding,
-                horizontal: textFieldHorizontalPadding),
-            child: TextField(
-              onSubmitted: (val) => _onSubmitAction(),
-              controller: massController,
-              decoration: const InputDecoration(
-                label: Text("Menge"),
-              ),
-            ),
-          ),
-          Padding(
-            padding: const EdgeInsets.symmetric(
-                vertical: textFieldVerticalPadding,
-                horizontal: textFieldHorizontalPadding),
-            child: TextField(
-              onSubmitted: (val) => _onSubmitAction(),
-              controller: kcalPer100Controller,
-              decoration: const InputDecoration(
-                label: Text("kcal pro Menge"),
-              ),
-            ),
-          )
-        ],
-      ),
-      actions: [
-        IconButton(
-            onPressed: () {
-              Navigator.of(context).pop();
-            },
-            icon: const Icon(Icons.cancel)),
-        IconButton(
-          onPressed: () => _onSubmitAction(),
-          icon: const Icon(Icons.check),
-        )
-      ],
-    );
-  }
-
-  void _onSubmitAction() {
-    int mass;
-    int kcalPer100;
-
-    try {
-      mass = int.parse(massController.text);
-    } catch (e) {
-      mass = 0;
-    }
-
-    try {
-      kcalPer100 = int.parse(kcalPer100Controller.text);
-    } catch (e) {
-      kcalPer100 = 0;
-    }
-
-    var newEntry = FoodEntryState.withID(
-      id: widget.entry.id,
-      name: nameController.text,
-      mass: mass,
-      kcalPer100: kcalPer100,
-      waitingForNetwork: widget.entry.waitingForNetwork,
-      isSelected: false,
-    );
-
-    widget.onChange(context, newEntry);
-
-    Navigator.of(context).pop();
-  }
-}
--- a/lib/food_scan/food_fact_lookup.dart
+++ b/lib/food_scan/food_fact_lookup.dart
@ -45,28 +45,13 @@ class FoodFactLookupClient {
 class FoodFactModel {
  final String name;
  final int kcalPer100g;
-  final int mass;

-  FoodFactModel({
-    required this.name,
-    required this.mass,
-    required this.kcalPer100g,
-  });
+  FoodFactModel({required this.name, required this.kcalPer100g});

  factory FoodFactModel.fromJson(Map<String, dynamic> json) {
-    String quantityString = json['product']['product_quantity'] ?? "0";
-    int quantity;
-
-    try {
-      quantity = int.parse(quantityString);
-    } catch (e) {
-      quantity = 0;
-    }
-
    return FoodFactModel(
        name: json['product']['product_name'],
-        kcalPer100g: json['product']['nutriments']['energy-kcal_100g'],
-        mass: quantity);
+        kcalPer100g: json['product']['nutriments']['energy-kcal_100g']);
  }
 }

--- a/lib/main.dart
+++ b/lib/main.dart
@ -1,33 +1,15 @@
-import 'package:calorimeter/food_entry/food_entry_bloc.dart';
-import 'package:calorimeter/perdate/perdate_pageview.dart';
+import 'package:calorimeter/perdate/perdate_widget.dart';
 import 'package:calorimeter/storage/storage.dart';
 import 'package:calorimeter/utils/settings_bloc.dart';
 import 'package:calorimeter/utils/theme_bloc.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
-import 'package:go_router/go_router.dart';
-
-List<FoodEntryState> entriesForToday = [];
-DateTime timeNow = DateTime.now();

 void main() async {
  WidgetsFlutterBinding.ensureInitialized();
-
-  WidgetsFlutterBinding.ensureInitialized();
-
  var storage = await FoodStorage.create();
  await storage.buildFoodLookupDatabase();
-  timeNow = DateTime.now().copyWith(
-      hour: 0,
-      isUtc: true,
-      minute: 0,
-      second: 0,
-      millisecond: 0,
-      microsecond: 0);
-
-  entriesForToday = await storage.getEntriesForDate(timeNow);
-
  var kcalLimit = await storage.readLimit();
  var brightness = await storage.readBrightness();

@ -56,13 +38,6 @@ class MainApp extends StatelessWidget {
    return SafeArea(
      child: MultiBlocProvider(
        providers: [
-          BlocProvider(
-            create: (context) => FoodEntryBloc(
-              storage: storage,
-              initialState:
-                  GlobalEntryState(foodEntries: {timeNow: entriesForToday}),
-            ),
-          ),
          BlocProvider(
            create: (context) => SettingsDataBloc(
                SettingsState(kcalLimit: kcalLimit),
@ -81,25 +56,8 @@ class MainApp extends StatelessWidget {
              newBrightness = Brightness.dark;
            }

-            return MaterialApp.router(
-              routerConfig: GoRouter(
-                routes: [
-                  GoRoute(
-                    path: '/',
-                    builder: (context, state) {
-                      return PerDatePageview(
-                        initalDate: DateTime.now().copyWith(
-                          hour: 0,
-                          minute: 0,
-                          second: 0,
-                          millisecond: 0,
-                          microsecond: 0,
-                        ),
-                      );
-                    },
-                  ),
-                ],
-              ),
+            return MaterialApp(
+              home: PerDateWidget(date: DateTime.now()),
              localizationsDelegates: const [
                GlobalMaterialLocalizations.delegate,
                GlobalWidgetsLocalizations.delegate,
--- a/lib/perdate/entry_list.dart
+++ b/lib/perdate/entry_list.dart
@ -5,12 +5,10 @@ import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';

 class FoodEntryList extends StatelessWidget {
-  final List<FoodEntryState> entries;
-  final DateTime date;
+  final List<FoodEntry> entries;

  const FoodEntryList({
    required this.entries,
-    required this.date,
    super.key,
  });

@ -19,7 +17,6 @@ class FoodEntryList extends StatelessWidget {
    return ListView.builder(
      itemCount: entries.length + 1,
      itemBuilder: (BuildContext itemBuilderContext, int listIndex) {
-        //last item in list is the widget to enter food
        if (listIndex == entries.length) {
          return Column(
            children: [
@ -27,7 +24,7 @@ class FoodEntryList extends StatelessWidget {
                onAdd: (context, entry) {
                  context
                      .read<FoodEntryBloc>()
-                      .add(FoodEntryEvent(entry: entry, forDate: date));
+                      .add(FoodEntryEvent(entry: entry));
                },
              ),
              const SizedBox(height: 75),
@ -41,20 +38,10 @@ class FoodEntryList extends StatelessWidget {
            FoodEntryWidget(
              key: ValueKey(entries[entryIndex].id),
              entry: entries[entryIndex],
-              onDelete: (_, id) {
-                context
-                    .read<FoodEntryBloc>()
-                    .add(FoodDeletionEvent(entryID: id, forDate: date));
-              },
-              onChange: (_, changedEntry) {
-                context.read<FoodEntryBloc>().add(
-                      FoodChangedEvent(newEntry: changedEntry, forDate: date),
-                    );
-              },
-              onTap: (_, tappedEntry) {
-                context.read<FoodEntryBloc>().add(
-                      FoodEntryTapped(entry: tappedEntry, forDate: date),
-                    );
+              onDelete: (callbackContext, id) {
+                callbackContext.read<FoodEntryBloc>().add(FoodDeletionEvent(
+                      entryID: id,
+                    ));
              },
            ),
            const Divider(),
--- a/lib/perdate/perdate_pageview.dart
+++ b/lib/perdate/perdate_pageview.dart
@ -1,76 +0,0 @@
-import 'package:calorimeter/perdate/perdate_widget.dart';
-import 'package:flutter/material.dart';
-
-class PerDatePageview extends StatefulWidget {
-  // this is the date for which the PerDate widget will be shown on screen
-  // left of it will be yesterday's PerDate widget
-  // right of it will be tomorrow's PerDate widget
-  final DateTime initalDate;
-  const PerDatePageview({required this.initalDate, super.key});
-
-  @override
-  State<PerDatePageview> createState() => _PerDatePageviewState();
-}
-
-class _PerDatePageviewState extends State<PerDatePageview> {
-  late PageController pageController;
-  late DateTime displayedDate;
-  late List<int> visitedIndexes = [];
-  final int initialOffset = 36500000;
-
-  //TODO: that is just ugly
-  bool backButtonWasPressed = false;
-
-  @override
-  void initState() {
-    super.initState();
-    pageController = PageController(initialPage: initialOffset);
-    displayedDate = widget.initalDate;
-    visitedIndexes.add(initialOffset);
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return BackButtonListener(
-      onBackButtonPressed: () async {
-        if (visitedIndexes.length == 1) {
-          return false;
-        }
-
-        visitedIndexes.removeLast();
-
-        backButtonWasPressed = true;
-        pageController.jumpToPage(visitedIndexes.last);
-
-        return true;
-      },
-      child: PageView.builder(
-          reverse: true,
-          controller: pageController,
-          onPageChanged: (value) {
-            if (backButtonWasPressed) {
-              backButtonWasPressed = false;
-              return;
-            }
-
-            visitedIndexes.add(value);
-          },
-          itemBuilder: (context, index) {
-            var dateToBuildWidgetFor =
-                displayedDate.subtract(Duration(days: index - initialOffset));
-
-            return PerDateWidget(
-                key: ValueKey(dateToBuildWidgetFor.toString()),
-                date: dateToBuildWidgetFor.copyWith(isUtc: true),
-                onDateSelected: (dateSelected) {
-                  if (dateSelected == null) return;
-
-                  var diff = dateSelected.difference(dateToBuildWidgetFor);
-                  var newIndex = index - diff.inDays;
-
-                  pageController.jumpToPage(newIndex);
-                });
-          }),
-    );
-  }
-}
--- a/lib/perdate/perdate_widget.dart
+++ b/lib/perdate/perdate_widget.dart
@ -1,4 +1,6 @@
 import 'package:barcode_scan2/barcode_scan2.dart';
+import 'package:calorimeter/food_scan/food_fact_lookup.dart';
+import 'package:calorimeter/utils/enter_food_controller.dart';
 import 'package:calorimeter/utils/scan_food_floating_button.dart';
 import 'package:calorimeter/utils/app_drawer.dart';
 import 'package:calorimeter/food_entry/food_entry_bloc.dart';
@ -11,82 +13,83 @@ import 'package:calorimeter/utils/theme_switcher_button.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:intl/intl.dart';
+import 'package:provider/provider.dart';

 class PerDateWidget extends StatefulWidget {
  final DateTime date;
-  final Function(DateTime?) onDateSelected;
-  const PerDateWidget(
-      {super.key, required this.date, required this.onDateSelected});
+  const PerDateWidget({super.key, required this.date});

  @override
  State<PerDateWidget> createState() => _PerDateWidgetState();
 }

-class _PerDateWidgetState extends State<PerDateWidget>
-    with AutomaticKeepAliveClientMixin<PerDateWidget> {
+class _PerDateWidgetState extends State<PerDateWidget> {
  late FoodStorage storage;
-  List<FoodEntryState> entries = [];
+  late Future<List<FoodEntry>> entriesFuture;
+  List<FoodEntry> entries = [];

  @override
  void initState() {
-    context
-        .read<FoodEntryBloc>()
-        .add(PageBeingInitialized(forDate: widget.date));
+    storage = FoodStorage.getInstance();
+    entriesFuture = storage.getEntriesForDate(widget.date);
+    entriesFuture.then((val) {
+      entries = val;
+    });
    super.initState();
  }

-  @override
-  void dispose() {
-    super.dispose();
-  }
-
  @override
  Widget build(BuildContext context) {
-    super.build(context);
-
-    return BlocConsumer<FoodEntryBloc, GlobalEntryState>(
-      listener: (context, pageState) {
-        if (pageState.errorString != null) {
-          showNewSnackbarWith(context, pageState.errorString!);
-        }
-      },
-      builder: (context, globalState) {
-        return Scaffold(
-            appBar: AppBar(
-              title: Text(DateFormat.yMMMMd('de').format(widget.date)),
-              actions: const [ThemeSwitcherButton()],
-            ),
-            body: FoodEntryList(
-                entries: globalState.foodEntries[widget.date] ?? [],
-                date: widget.date),
-            bottomNavigationBar: BottomAppBar(
-                shape: const RectangularNotchShape(),
-                color: Theme.of(context).colorScheme.secondary,
-                child: SumWidget(
-                    foodEntries: globalState.foodEntries[widget.date] ?? [])),
-            drawer: const AppDrawer(),
-            floatingActionButton: OverflowBar(children: [
-              ScanFoodFloatingButton(
-                onPressed: () {
-                  var result = BarcodeScanner.scan();
-                  context.read<FoodEntryBloc>().add(
-                        BarcodeScanned(
-                          scanResultFuture: result,
-                          forDate: widget.date,
+    return FutureBuilder(
+      future: entriesFuture,
+      builder: (context, snapshot) {
+        return snapshot.connectionState != ConnectionState.done
+            ? const Center(child: CircularProgressIndicator())
+            : MultiProvider(
+                providers: [
+                  ChangeNotifierProvider(
+                      create: (context) => EnterFoodController()),
+                  BlocProvider(
+                    create: (context) => FoodEntryBloc(
+                      initialState: FoodEntryState(foodEntries: entries),
+                      storage: storage,
+                      forDate: widget.date,
+                    ),
+                  )
+                ],
+                child: BlocBuilder<FoodEntryBloc, FoodEntryState>(
+                  builder: (context, state) {
+                    return Scaffold(
+                        appBar: AppBar(
+                          title:
+                              Text(DateFormat.yMMMMd('de').format(widget.date)),
+                          actions: const [ThemeSwitcherButton()],
                        ),
-                      );
-                },
-              ),
-              const SizedBox(width: 8),
-              CalendarFloatingButton(
-                startFromDate: widget.date,
-                onDateSelected: (dateSelected) {
-                  widget.onDateSelected(dateSelected);
-                },
-              ),
-            ]),
-            floatingActionButtonLocation:
-                FloatingActionButtonLocation.endDocked);
+                        body: FoodEntryList(entries: state.foodEntries),
+                        bottomNavigationBar: BottomAppBar(
+                            shape: const RectangularNotchShape(),
+                            color: Theme.of(context).colorScheme.secondary,
+                            child: SumWidget(foodEntries: state.foodEntries)),
+                        drawer: const AppDrawer(),
+                        floatingActionButton: OverflowBar(
+                          children: [
+                            ScanFoodFloatingButton(onPressed: () {
+                              _onScanButtonPressed(context);
+                            }),
+                            const SizedBox(width: 8),
+                            CalendarFloatingButton(
+                              startFromDate: widget.date,
+                              onDateSelected: (dateSelected) {
+                                _onDateSelected(dateSelected);
+                              },
+                            ),
+                          ],
+                        ),
+                        floatingActionButtonLocation:
+                            FloatingActionButtonLocation.endDocked);
+                  },
+                ),
+              );
      },
    );
  }
@ -100,8 +103,61 @@ class _PerDateWidgetState extends State<PerDateWidget>
      ..showSnackBar(snackbar);
  }

-  @override
-  bool get wantKeepAlive => true;
+  void _onDateSelected(DateTime date) {
+    Navigator.of(context).push(
+      MaterialPageRoute(
+        builder: (context) {
+          return PerDateWidget(date: date);
+        },
+      ),
+    ).then((val) {
+      setState(
+        () {
+          entriesFuture = storage.getEntriesForDate(widget.date);
+          entriesFuture.then(
+            (val) {
+              entries = val;
+            },
+          );
+        },
+      );
+    });
+  }
+
+  void _onScanButtonPressed(BuildContext context) async {
+    var client = FoodFactLookupClient();
+
+    var scanResult = await BarcodeScanner.scan();
+
+    if (scanResult.type == ResultType.Cancelled) {
+      return;
+    }
+
+    if (!context.mounted) return;
+
+    if (scanResult.type == ResultType.Error) {
+      showNewSnackbarWith(context, "Fehler beim Scannen des Barcodes.");
+    }
+    var response = await client.retrieveFoodInfo(scanResult.rawContent);
+
+    if (!context.mounted) return;
+
+    if (response.status == FoodFactResponseStatus.barcodeNotFound) {
+      showNewSnackbarWith(context, "Barcode konnte nicht gefunden werden.");
+      return;
+    }
+
+    if (response.status == FoodFactResponseStatus.foodFactServerNotReachable) {
+      showNewSnackbarWith(
+          context, "OpenFoodFacts-Server konnte nicht erreicht werden.");
+      return;
+    }
+
+    context.read<EnterFoodController>().set(
+          response.food!.name,
+          response.food!.kcalPer100g.toString(),
+        );
+  }
 }

 class ErrorSnackbar extends SnackBar {
--- a/lib/storage/storage.dart
+++ b/lib/storage/storage.dart
@ -1,3 +1,4 @@
+import 'dart:developer';
 import 'dart:io';

 import 'package:calorimeter/food_entry/food_entry_bloc.dart';
@ -7,7 +8,7 @@ import 'package:universal_platform/universal_platform.dart';
 class FoodStorage {
  static late FoodStorage _instance;
  late String path;
-  final Map<String, int> _foodLookupDatabase = {};
+  final Map<String, double> _foodLookupDatabase = {};

  FoodStorage._create();

@ -30,8 +31,8 @@ class FoodStorage {

  static FoodStorage getInstance() => _instance;

-  Future<List<FoodEntryState>> getEntriesForDate(DateTime date) async {
-    List<FoodEntryState> entries = [];
+  Future<List<FoodEntry>> getEntriesForDate(DateTime date) async {
+    List<FoodEntry> entries = [];
    var filePath = '$path/${date.year}/${date.month}/${date.day}';

    var file = File(filePath);
@ -43,28 +44,10 @@ class FoodStorage {

    for (var line in lines) {
      var fields = line.splitWithIgnore(',', ignoreIn: '"');
-      int mass = 0;
-      int kcalPerMass = 0;
-
-      try {
-        mass = int.parse(fields[2]);
-      } catch (e) {
-        mass = double.parse(fields[2]).toInt();
-      }
-
-      try {
-        kcalPerMass = int.parse(fields[3]);
-      } catch (e) {
-        kcalPerMass = double.parse(fields[3]).toInt();
-      }
-
-      var entry = FoodEntryState(
-        name: fields[1].replaceAll('"', ""),
-        mass: mass,
-        kcalPer100: kcalPerMass,
-        waitingForNetwork: false,
-        isSelected: false,
-      );
+      var entry = FoodEntry(
+          name: fields[1].replaceAll('"', ""),
+          mass: double.parse(fields[2]),
+          kcalPerMass: double.parse(fields[3]));
      entries.add(entry);
    }

@ -72,7 +55,7 @@ class FoodStorage {
  }

  Future<void> writeEntriesForDate(
-      DateTime date, List<FoodEntryState> foodEntries) async {
+      DateTime date, List<FoodEntry> foodEntries) async {
    var filePath = '$path/${date.year}/${date.month}/${date.day}';
    var file = File(filePath);

@ -156,11 +139,11 @@ class FoodStorage {
  Future<void> buildFoodLookupDatabase() async {
    // get a list of dates of the last 365 days
    var dates = List<DateTime>.generate(365, (idx) {
-      var durationToPast = Duration(days: idx);
-      return DateTime.now().subtract(durationToPast);
+      var pastDay = Duration(days: idx);
+      return DateTime.now().subtract(pastDay);
    });

-    for (var date in dates.reversed) {
+    for (var date in dates) {
      addFoodEntryToLookupDatabaseFor(date);
    }
  }
@ -169,15 +152,17 @@ class FoodStorage {
    var entriesForDate = await getEntriesForDate(date);

    for (var entry in entriesForDate) {
-      _foodLookupDatabase[entry.name] = entry.kcalPer100;
+      _foodLookupDatabase[entry.name] = entry.kcalPerMass;
+      log("Added entry: ${entry.name}/${entry.kcalPerMass}");
    }
  }

-  void addFoodEntryToLookupDatabase(FoodEntryState entry) {
-    _foodLookupDatabase[entry.name] = entry.kcalPer100;
+  void addFoodEntryToLookupDatabase(FoodEntry entry) {
+    _foodLookupDatabase[entry.name] = entry.kcalPerMass;
+    log("Added entry: ${entry.name}/${entry.kcalPerMass}");
  }

-  Map<String, int> get getFoodEntryLookupDatabase => _foodLookupDatabase;
+  Map<String, double> get getFoodEntryLookupDatabase => _foodLookupDatabase;
 }

 extension SplitWithIgnore on String {
--- a/lib/utils/calendar_floating_button.dart
+++ b/lib/utils/calendar_floating_button.dart
@ -2,7 +2,7 @@ import 'package:flutter/material.dart';

 class CalendarFloatingButton extends StatelessWidget {
  final DateTime startFromDate;
-  final Function(DateTime?) onDateSelected;
+  final Function(DateTime) onDateSelected;

  const CalendarFloatingButton(
      {super.key, required this.startFromDate, required this.onDateSelected});
@ -17,12 +17,12 @@ class CalendarFloatingButton extends StatelessWidget {
          initialDate: startFromDate,
          currentDate: DateTime.now(),
          firstDate: DateTime.now().subtract(const Duration(days: 365 * 10)),
-          lastDate: DateTime.now().add(const Duration(days: 365 * 10)),
+          lastDate: DateTime.now(),
        );

        if (!context.mounted) return;

-        onDateSelected(datePicked);
+        onDateSelected(datePicked ?? DateTime.now());
      },
      heroTag: "calendarFAB",
      child: const Icon(Icons.today),
--- a/lib/utils/enter_food_controller.dart
+++ b/lib/utils/enter_food_controller.dart
@ -0,0 +1,12 @@
+import 'package:flutter/material.dart';
+
+class EnterFoodController extends ChangeNotifier {
+  String name = "";
+  String kcalPer100g = "";
+
+  void set(String newName, String newKcal) {
+    name = newName;
+    kcalPer100g = newKcal;
+    notifyListeners();
+  }
+}
--- a/lib/utils/sum_widget.dart
+++ b/lib/utils/sum_widget.dart
@ -4,7 +4,7 @@ import 'package:calorimeter/food_entry/food_entry_bloc.dart';
 import 'package:calorimeter/utils/settings_bloc.dart';

 class SumWidget extends StatelessWidget {
-  final List<FoodEntryState> foodEntries;
+  final List<FoodEntry> foodEntries;
  const SumWidget({required this.foodEntries, super.key});

  @override
@ -13,7 +13,7 @@ class SumWidget extends StatelessWidget {
      builder: (context, state) {
        var sum = 0.0;
        for (var entry in foodEntries) {
-          sum += entry.kcalPer100 / 100 * entry.mass;
+          sum += entry.kcalPerMass / 100 * entry.mass;
        }
        var diff = state.kcalLimit - sum;
        var diffLimit = state.kcalLimit ~/ 4;
--- a/pubspec.lock
+++ b/pubspec.lock
@ -183,18 +183,18 @@ packages:
    dependency: "direct dev"
    description:
      name: flutter_launcher_icons
-      sha256: "619817c4b65b322b5104b6bb6dfe6cda62d9729bd7ad4303ecc8b4e690a67a77"
+      sha256: "526faf84284b86a4cb36d20a5e45147747b7563d921373d4ee0559c54fcdbcea"
      url: "https://pub.dev"
    source: hosted
-    version: "0.14.1"
+    version: "0.13.1"
  flutter_lints:
    dependency: "direct dev"
    description:
      name: flutter_lints
-      sha256: "5398f14efa795ffb7a33e9b6a08798b26a180edac4ad7db3f231e40f82ce11e1"
+      sha256: "3f41d009ba7172d5ff9be5f6e6e6abb4300e263aab8866d2a0842ed2a70f8f0c"
      url: "https://pub.dev"
    source: hosted
-    version: "5.0.0"
+    version: "4.0.0"
  flutter_localizations:
    dependency: "direct main"
    description: flutter
@ -205,11 +205,6 @@ packages:
    description: flutter
    source: sdk
    version: "0.0.0"
-  flutter_web_plugins:
-    dependency: transitive
-    description: flutter
-    source: sdk
-    version: "0.0.0"
  frontend_server_client:
    dependency: transitive
    description:
@ -226,14 +221,6 @@ packages:
      url: "https://pub.dev"
    source: hosted
    version: "2.1.2"
-  go_router:
-    dependency: "direct main"
-    description:
-      name: go_router
-      sha256: "6f1b756f6e863259a99135ff3c95026c3cdca17d10ebef2bba2261a25ddc8bbc"
-      url: "https://pub.dev"
-    source: hosted
-    version: "14.3.0"
  http_multi_server:
    dependency: transitive
    description:
@ -318,10 +305,10 @@ packages:
    dependency: transitive
    description:
      name: lints
-      sha256: "3315600f3fb3b135be672bf4a178c55f274bebe368325ae18462c89ac1e3b413"
+      sha256: "976c774dd944a42e83e2467f4cc670daef7eed6295b10b36ae8c85bcbf828235"
      url: "https://pub.dev"
    source: hosted
-    version: "5.0.0"
+    version: "4.0.0"
  logging:
    dependency: transitive
    description:
@ -366,10 +353,10 @@ packages:
    dependency: transitive
    description:
      name: mime
-      sha256: "41a20518f0cb1256669420fdba0cd90d21561e560ac240f26ef8322e45bb7ed6"
+      sha256: "801fd0b26f14a4a58ccb09d5892c3fbdeff209594300a542492cf13fba9d247a"
      url: "https://pub.dev"
    source: hosted
-    version: "2.0.0"
+    version: "1.0.6"
  nested:
    dependency: transitive
    description:
@ -414,10 +401,10 @@ packages:
    dependency: transitive
    description:
      name: path_provider_android
-      sha256: f7544c346a0742aee1450f9e5c0f5269d7c602b9c95fdbcd9fb8f5b1df13b1cc
+      sha256: "6f01f8e37ec30b07bc424b4deabac37cacb1bc7e2e515ad74486039918a37eb7"
      url: "https://pub.dev"
    source: hosted
-    version: "2.2.11"
+    version: "2.2.10"
  path_provider_foundation:
    dependency: transitive
    description:
@ -659,10 +646,10 @@ packages:
    dependency: "direct main"
    description:
      name: uuid
-      sha256: a5be9ef6618a7ac1e964353ef476418026db906c4facdedaa299b7a2e71690ff
+      sha256: f33d6bb662f0e4f79dcd7ada2e6170f3b3a2530c28fc41f49a411ddedd576a77
      url: "https://pub.dev"
    source: hosted
-    version: "4.5.1"
+    version: "4.5.0"
  vector_math:
    dependency: transitive
    description:
@ -691,10 +678,10 @@ packages:
    dependency: transitive
    description:
      name: web
-      sha256: cd3543bd5798f6ad290ea73d210f423502e71900302dde696f8bff84bf89a1cb
+      sha256: d43c1d6b787bf0afad444700ae7f4db8827f701bc61c255ac8d328c6f4d52062
      url: "https://pub.dev"
    source: hosted
-    version: "1.1.0"
+    version: "1.0.0"
  web_socket:
    dependency: transitive
    description:
@ -723,10 +710,10 @@ packages:
    dependency: transitive
    description:
      name: xdg_directories
-      sha256: "7a3f37b05d989967cdddcbb571f1ea834867ae2faa29725fd085180e0883aa15"
+      sha256: faea9dee56b520b55a566385b84f2e8de55e7496104adada9962e0bd11bcff1d
      url: "https://pub.dev"
    source: hosted
-    version: "1.1.0"
+    version: "1.0.4"
  xml:
    dependency: transitive
    description:
@ -745,4 +732,4 @@ packages:
    version: "3.1.2"
 sdks:
  dart: ">=3.5.3 <4.0.0"
-  flutter: ">=3.24.0"
+  flutter: ">=3.22.0"
--- a/pubspec.yaml
+++ b/pubspec.yaml
@ -20,13 +20,12 @@ dependencies:
  barcode_scan2: ^4.3.3
  provider: ^6.1.2
  test: ^1.25.7
-  go_router: ^14.3.0

 dev_dependencies:
  flutter_test:
    sdk: flutter
-  flutter_lints: ^5.0.0
-  flutter_launcher_icons: ^0.14.1
+  flutter_lints: ^4.0.0
+  flutter_launcher_icons: "^0.13.1"

 flutter:
  uses-material-design: true