public void DeleteProject(int id)
{
Project project = freelanceContext.Projects.FirstOrDefault(x => x.Id == id);
List <Offer> offersOfProject = freelanceContext.Offers.Where(x => x.ProjectId == project.Id).ToList();
List <Payment> paymentsOfProject = paymentDal.getByProjectId(project.Id);
foreach (Offer offer in offersOfProject)
{
freelanceContext.Offers.Remove(offer);
freelanceContext.SaveChanges();
}
foreach (Payment payment in paymentsOfProject)
{
paymentDal.Delete(payment.Id);
}
freelanceContext.Projects.Remove(project);
freelanceContext.SaveChanges();
}