wip introduce scanner

lib/food_entry/enter_food_widget.dart

@@ -1,7 +1,7 @@
 import 'package:calorimeter/storage/storage.dart';
 import 'package:flutter/material.dart';
 import 'package:calorimeter/food_entry/food_entry_bloc.dart';
-import 'package:calorimeter/row_with_spacers_widget.dart';
+import 'package:calorimeter/utils/row_with_spacers_widget.dart';
 
 class EnterFoodWidget extends StatefulWidget {
   final Function(BuildContext context, FoodEntry entry) onAdd;

lib/food_entry/food_entry_widget.dart

@@ -1,6 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:calorimeter/food_entry/food_entry_bloc.dart';
-import 'package:calorimeter/row_with_spacers_widget.dart';
+import 'package:calorimeter/utils/row_with_spacers_widget.dart';
 
 class FoodEntryWidget extends StatefulWidget {
   final FoodEntry entry;

lib/food_scan/food_fact_lookup.dart

@@ -0,0 +1,33 @@
+import 'dart:convert';
+import 'dart:developer';
+import 'dart:io';
+
+class FoodFactLookupClient {
+  FoodFactLookupClient();
+
+  static const String host = "world.openfoodfacts.org";
+  static const String url = "https://world.openfoodfacts.org/api/v3/product/";
+
+  String getProductUrl(String ean) {
+    return "$url$ean.json";
+  }
+
+  Future<FoodFactModel> retrieveFoodInfo(String ean) async {
+    HttpClient client = HttpClient();
+    var request = await client.getUrl(Uri.parse(getProductUrl(ean)));
+    var response = await request.close();
+    var asString = await response.transform(utf8.decoder).join();
+    return FoodFactModel.fromJson(jsonDecode(asString));
+  }
+}
+
+class FoodFactModel {
+  final String name;
+
+  FoodFactModel({required this.name});
+
+  factory FoodFactModel.fromJson(Map<String, dynamic> json) {
+    log("key product.product_name: ${json['product']['product_name']}");
+    return FoodFactModel(name: json['product']['product_name']);
+  }
+}

lib/perdate/entry_list.dart

@@ -1,4 +1,4 @@
-import 'package:calorimeter/enter_food_widget.dart';
+import 'package:calorimeter/food_entry/enter_food_widget.dart';
 import 'package:calorimeter/food_entry/food_entry_bloc.dart';
 import 'package:calorimeter/food_entry/food_entry_widget.dart';
 import 'package:flutter/material.dart';

lib/perdate/perdate_widget.dart

@@ -1,11 +1,16 @@
-import 'package:calorimeter/app_drawer.dart';
-import 'package:calorimeter/utils/calendar_floating_button.dart';
-import 'package:calorimeter/perdate/entry_list.dart';
+import 'dart:developer';
+
+import 'package:calorimeter/food_scan/food_fact_lookup.dart';
+import 'package:calorimeter/utils/app_drawer.dart';
 import 'package:calorimeter/food_entry/food_entry_bloc.dart';
+import 'package:calorimeter/perdate/entry_list.dart';
 import 'package:calorimeter/storage/storage.dart';
+import 'package:calorimeter/utils/calendar_floating_button.dart';
+import 'package:calorimeter/utils/rectangular_notch_shape.dart';
 import 'package:calorimeter/utils/sum_widget.dart';
 import 'package:calorimeter/utils/theme_switcher_button.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_barcode_scanner/flutter_barcode_scanner.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:intl/intl.dart';
 
@@ -22,6 +27,7 @@ class _PerDateWidgetState extends State<PerDateWidget> {
   late Future<List<FoodEntry>> entriesFuture;
   List<FoodEntry> entries = [];
   String formattedDate = '';
+  FoodFactLookupClient client = FoodFactLookupClient();
 
   @override
   void initState() {
@@ -56,12 +62,24 @@ class _PerDateWidgetState extends State<PerDateWidget> {
                     ),
                     body: FoodEntryList(entries: state.foodEntries),
                     bottomNavigationBar: BottomAppBar(
-                        shape: const CircularNotchedRectangle(),
+                        shape: const RectangularNotchShape(),
                         color: Theme.of(context).colorScheme.secondary,
                         child: SumWidget(foodEntries: state.foodEntries)),
                     drawer: const AppDrawer(),
-                    floatingActionButton:
+                    floatingActionButton: OverflowBar(children: [
+                      FloatingActionButton(
+                        child: const Icon(Icons.barcode_reader),
+                        onPressed: () async {
+                          String ean = await FlutterBarcodeScanner.scanBarcode(
+                              "#ffffff", "hallo", true, ScanMode.BARCODE);
+                          client.retrieveFoodInfo(ean).then((val) {
+                            log(val.name);
+                          });
+                        },
+                      ),
+                      const SizedBox(width: 8),
                       CalendarFloatingButton(date: widget.date),
+                    ]),
                     floatingActionButtonLocation:
                         FloatingActionButtonLocation.endDocked);
               }),

lib/utils/rectangular_notch_shape.dart

@@ -0,0 +1,31 @@
+import 'package:flutter/material.dart';
+
+class RectangularNotchShape extends NotchedShape {
+  const RectangularNotchShape();
+
+  @override
+  Path getOuterPath(Rect host, Rect? guest) {
+    if (guest == null || !host.overlaps(guest)) {
+      return Path()..addRect(host);
+    }
+
+    var margin = 20;
+
+    return Path()
+      ..moveTo(host.left, host.top)
+      ..lineTo(guest.left - margin, host.top)
+      ..quadraticBezierTo(guest.left, host.top, guest.left, host.top + margin)
+      ..lineTo(guest.left, guest.bottom - margin)
+      ..quadraticBezierTo(
+          guest.left, guest.bottom, guest.left + margin, guest.bottom)
+      ..lineTo(guest.right - margin, guest.bottom)
+      ..quadraticBezierTo(
+          guest.right, guest.bottom, guest.right, guest.bottom - margin)
+      ..lineTo(guest.right, host.top + margin)
+      ..quadraticBezierTo(guest.right, host.top, guest.right + margin, host.top)
+      ..lineTo(host.right, host.top)
+      ..lineTo(host.right, host.bottom)
+      ..lineTo(host.left, host.bottom)
+      ..close();
+  }
+}

lib/utils/settings.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:go_router/go_router.dart';
-import 'package:calorimeter/app_drawer.dart';
+import 'package:calorimeter/utils/app_drawer.dart';
 import 'package:calorimeter/utils/calendar_floating_button.dart';
 import 'package:calorimeter/utils/settings_bloc.dart';
 import 'package:settings_ui/settings_ui.dart';

lib/utils/sum_widget.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:calorimeter/food_entry/food_entry_bloc.dart';
 import 'package:calorimeter/utils/settings_bloc.dart';
-import 'package:calorimeter/row_with_spacers_widget.dart';
+import 'package:calorimeter/utils/row_with_spacers_widget.dart';
 
 class SumWidget extends StatefulWidget {
   final List<FoodEntry> foodEntries;