calorimeter/lib/sum_widget.dart

import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:kalodings/food_entry_bloc.dart';
import 'package:kalodings/row_with_spacers_widget.dart';

class SumWidget extends StatelessWidget {
  final double limit;

  const SumWidget({required this.limit, super.key});

  @override
  Widget build(BuildContext context) {
    return BlocBuilder<FoodEntryBloc, FoodEntryState>(
      builder: (context, state) {
        var sum = 0.0;
        for (var entry in state.foodEntries) {
          sum += entry.kcalPerMass / 100 * entry.mass;
        }

        return RowWidgetWithSpacers(
          null,
          null,
          const Text("kcal heute:"),
          Text('${sum.toString()}/$limit'),
          null,
        );
      },
    );
  }
}