main.dart

import 'package:intl/intl.dart';

class GroupedData<T> {
  const GroupedData(
      {required this.startDate, this.endDate, required this.data});

  final DateTime startDate;
  final DateTime? endDate;
  final List<T> data;
}

class GaitData {
  GaitData({
    this.strides,
  });

  final Strides? strides;
}

class Strides {
  Strides({
    this.leftFoot,
    this.rightFoot,
  });

  final List<dynamic>? leftFoot;
  final List<dynamic>? rightFoot;
}

main() {
  GroupedData<GaitData>? referenceGaitData;

  /// total steps in the time period of the measurement reference
  int totalReferenceSteps = 0;

  /// average steps in the time period of the measurement reference
  int averageReferenceSteps = 0;

  /// total steps done in the current measurement week
  int totalSteps = 0;

  /// average steps done in the current measurement week
  int averageStepsPerDay = 0;

  /// maximum steps done on a single day this measurement week
  int maxStepsInOneDay = 0;

  /// list containing all step information about each day in this weeks measurement
  final List<dynamic> stepDays = List<dynamic>.empty(growable: true);

  if (referenceGaitData != null && referenceGaitData.data.isNotEmpty) {
    for (final GaitData singleReferenceGaitDayData in referenceGaitData.data) {
      if (singleReferenceGaitDayData.strides?.leftFoot != null) {
        totalReferenceSteps +=
            singleReferenceGaitDayData.strides?.leftFoot?.length ?? 0;
      }
      if (singleReferenceGaitDayData.strides?.rightFoot != null) {
        totalReferenceSteps +=
            singleReferenceGaitDayData.strides?.rightFoot?.length ?? 0;
      }
    }
    if (totalReferenceSteps > 0) {
      averageReferenceSteps =
          totalReferenceSteps ~/ referenceGaitData.data.length;
    }
  }

  // ....

  // Update step days
  /*
         stepDays.add(LongitudinalStepDay(
         steps: stepsThisDay,
          day: currentLoopGaitDay,
        ));
        
        */

  print('compiles');
}