public async Task Add(CarSubgroupAddDto carSubgroupDto)
{
var carSubgroupRepository = DataContextManager.CreateRepository <ICarSubgroupRepository>();
var carSubgroup = await carSubgroupRepository.GetByName(carSubgroupDto.Name);
if (carSubgroup != null)
{
throw new AddingException();
}
var carRepository = DataContextManager.CreateRepository <ICarRepository>();
var cars = await carRepository.GetCarsByIds(carSubgroupDto.CarIds);
var newCarSubgroup = new CarSubgroup
{
Name = carSubgroupDto.Name,
CreateDate = DateTime.Now,
CarInCarSubgroups = cars.Select(car => new CarInCarSubgroup
{
Car = car
})
.ToList()
};
await carSubgroupRepository.Add(newCarSubgroup);
}
public async Task Add(CarSubgroup carSubgroup)
{
await Context.Set <CarSubgroup>()
.AddAsync(carSubgroup);
await Context.SaveChangesAsync();
}
private void DeleteCars(CarSubgroup carSubgroup, IEnumerable <Car> cars)
{
var carIdsToDelete = new List <int>();
foreach (var carInCarSubgroup in carSubgroup.CarInCarSubgroups)
{
if (!cars.Any(x => x.Id == carInCarSubgroup.CarId))
{
carIdsToDelete.Add(carInCarSubgroup.CarId);
}
}
carSubgroup.CarInCarSubgroups.RemoveAll(x => carIdsToDelete.Contains(x.CarId));
}
private void AddCars(CarSubgroup carSubgroup, IEnumerable <Car> cars)
{
foreach (var car in cars)
{
if (!carSubgroup.CarInCarSubgroups.Any(x => x.CarId == car.Id))
{
carSubgroup.CarInCarSubgroups.Add(new CarInCarSubgroup
{
CarId = car.Id,
CarSubgroupId = carSubgroup.Id
});
}
}
}
public async Task Update(CarSubgroup carSubgroup)
{
Context.Entry <CarSubgroup>(carSubgroup).State = EntityState.Modified;
await Context.SaveChangesAsync();
}