MDP_Yashin/code.dart

// Classes +
// Methods +
// Enums +
// Loops +
// Generics (можно использовать List<>) +
// Anonymous functions +
// Future +
// extension +


void main () async {
  WorkScedule workScedule = WorkScedule();
  workScedule.push(new Worker('Слава', workDay: WeekDay.Wednesday, salary_per_day: 1500));
  workScedule.push(new Worker('Артём', workDay: WeekDay.Monday, salary_per_day: 2000));
  workScedule.push(new Worker('Лера', workDay: WeekDay.Tuesday, salary_per_day: 2500));
  workScedule.push(new Worker('Саша', workDay: WeekDay.Thursday));

  for (var worker in await workScedule.getWorkersAsync())
    print('${worker.name} работает в ${worker.workDay.name} и получвет в месяц ${worker.fullSalary(worker.salary_per_day)}');
}

class Worker {
  final String name;
  final WeekDay workDay;
  final int salary_per_day;
  
  Worker(this.name, { this.workDay = WeekDay.Monday, this.salary_per_day = 1000 });
  
  final fullSalary = (salary_per_day) => salary_per_day*4+7700;
} 

class WorkScedule{
  List<Worker> _workers = [];

  void push(Worker worker){
    _workers.add(worker);
  }

  Future<List<Worker>> getWorkersAsync() async {
    await Future.delayed(Duration(seconds: 5));
    _workers.sort((a, b) => a.workDay.order.compareTo(b.workDay.order));
    return _workers;
  }

}

enum WeekDay {
  Monday,
  Tuesday,
  Wednesday,
  Thursday,
  Friday,
  Saturday,
  Sunday
}

extension WeekDayX on WeekDay{
  String get name {
    switch (this) {
      case WeekDay.Monday:
        return 'Понедельник';
      case WeekDay.Tuesday:
        return 'Вторник';
      case WeekDay.Wednesday:
        return 'Среда';
      case WeekDay.Thursday:
        return 'Четверг';
      case WeekDay.Friday:
        return 'Пятница';
      case WeekDay.Saturday:
        return 'Суббота';
      case WeekDay.Sunday:
        return 'Воскресенье';
    }
  }

  int get order {
    switch (this) {
      case WeekDay.Monday:
        return 1;
      case WeekDay.Tuesday:
        return 2;
      case WeekDay.Wednesday:
        return 3;
      case WeekDay.Thursday:
        return 4;
      case WeekDay.Friday:
        return 5;
      case WeekDay.Saturday:
        return 6;
      case WeekDay.Sunday:
        return 7;
    }
  }
}