public async Task <Contract> AddNewContract(ContractModel contract)
{
contract.StartDate = DateInDays(contract.StartDate);
contract.EndDate = DateInDays(contract.EndDate);
var service = await _context.Services.FindAsync(contract.ServiceId);
if (service == null)
{
throw new DataException($"Service with ID={contract.ServiceId} not found!");
}
var customer = await _context.Customers.FindAsync(contract.CustomerId);
if (customer == null)
{
throw new DataException($"Customer with ID={contract.CustomerId} not found!");
}
var newContract = new Contract
{
Id = Guid.NewGuid(),
Customer = customer,
Service = service,
Discount = contract.Discount,
StartDate = contract.StartDate,
EndDate = contract.EndDate,
SpecialPrice = contract.SpecialPrice
};
await CheckOverlapingContracts(newContract);
await _context.AddAsync <Contract>(newContract);
await _context.SaveChangesAsync();
return(newContract);
}
