calorimeter/lib/utils/sum_widget.dart

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';

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

  @override
  State<SumWidget> createState() => _SumWidgetState();
}

class _SumWidgetState extends State<SumWidget> {
  @override
  Widget build(BuildContext context) {
    return BlocBuilder<SettingsDataBloc, SettingsState>(
      builder: (context, state) {
        var sum = 0.0;
        for (var entry in widget.foodEntries) {
          sum += entry.kcalPerMass / 100 * entry.mass;
        }

        return RowWidget(
          Text(
            'kcal heute: ${sum.ceil().toString()}/${state.kcalLimit.ceil()}',
            style: Theme.of(context)
                .textTheme
                .bodyMedium!
                .copyWith(color: Theme.of(context).colorScheme.onPrimary),
          ),
          null,
          null,
          null,
        );
      },
    );
  }
}