public async Task AddRentModel(AppRepository appRepository, RentModel rentModel)
{
var neededRentModel = await appRepository.RentModels.FirstOrDefaultAsync(x => x.Id == rentModel.Id);
if (neededRentModel == null)
{
return;
}
if (HolderRentModels == null)
{
HolderRentModels = new List <HolderRentModel>();
}
if (HolderRentModels.Any(x => x.RentModel.Id == rentModel.Id))
{
return;
}
var rentModelsList = this.HolderRentModels.ToList();
rentModelsList.Add(new HolderRentModel()
{
RentModel = neededRentModel, HolderModel = this
});
this.HolderRentModels = rentModelsList;
appRepository.Entry(this).Collection(x => x.HolderRentModels).IsModified = true;
await appRepository.SaveChangesAsync();
}
public async Task RemoveRentModel(AppRepository appRepository, RentModel rentModel)
{
HolderModel entity = this;
HolderRentModel holderRentModel = entity.HolderRentModels.ToList().FirstOrDefault(x => x.RentModel.Id == rentModel.Id);
if (holderRentModel == null || entity.HolderRentModels == null || !entity.HolderRentModels.Any(x => x.RentModel.Id == rentModel.Id))
{
return;
}
List <HolderRentModel> list = entity.HolderRentModels.ToList();
list.Remove(holderRentModel);
entity.HolderRentModels = list;
appRepository.Entry(entity).Collection(x => x.HolderRentModels).IsModified = true;
int num = await appRepository.SaveChangesAsync();
}