calorimeter/lib/perdate_widget.dart

import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:go_router/go_router.dart';
import 'package:kalodings/app_drawer.dart';
import 'package:kalodings/enter_food_widget.dart';
import 'package:kalodings/food_entry_bloc.dart';
import 'package:kalodings/food_entry_widget.dart';
import 'package:kalodings/sum_widget.dart';

class PerDateWidget extends StatelessWidget {
  final DateTime date;
  const PerDateWidget(this.date, {super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(date.toString()),
      ),
      drawer: const AppDrawer(),
      body: BlocBuilder<FoodEntryBloc, FoodEntryState>(
        builder: (context, state) {
          return ListView.builder(
            itemCount: state.foodEntries.length + 2,
            itemBuilder: (BuildContext itemBuilderContext, int index) {
              if (index == state.foodEntries.length) {
                return const SumWidget();
              }
              if (index == state.foodEntries.length + 1) {
                return EnterFoodWidget(
                  onAdd: (context, entry) {
                    context
                        .read<FoodEntryBloc>()
                        .add(FoodEntryEvent(entry: entry, date: date));
                  },
                );
              }

              return FoodEntryWidget(
                entry: state.foodEntries[index],
                onDelete: (callbackContext) {
                  callbackContext.read<FoodEntryBloc>().add(
                        FoodDeletionEvent(
                            entryID: state.foodEntries[index].id, date: date),
                      );
                },
              );
            },
          );
        },
      ),
      floatingActionButton: FloatingActionButton(
          onPressed: () async {
            var router = GoRouter.of(context);
            var datePicked = await showDatePicker(
              locale: const Locale('de'),
              context: context,
              initialDate: date,
              currentDate: DateTime.now(),
              firstDate:
                  DateTime.now().subtract(const Duration(days: 365 * 10)),
              lastDate: DateTime.now(),
            );

            router.goNamed('perDay', extra: datePicked);
          },
          child: const Icon(Icons.today)),
    );
  }
}