public async Task <Reservation> Insert(Reservation reservation)
{
using (CarReservationContext context = new CarReservationContext())
{
if (!DateRangeCheck(reservation))
{
throw new InvalidDateRangeException(
$"Reservation < 24h -> {(reservation.From - reservation.To).TotalHours}h");
}
if (!await AvailabilityCheck(reservation))
{
throw new CarUnavailableException($"car: {reservation.CarId} unavailable");
}
context.Entry(reservation).State = EntityState.Added;
await context.SaveChangesAsync();
reservation.Car = await context.Cars.FindAsync(reservation.CarId);
await context.Entry(reservation).Reference(r => r.Customer).LoadAsync();
return(reservation);
}
}
public async Task Delete(Customer customer)
{
using (CarReservationContext context = new CarReservationContext())
{
context.Entry(customer).State = EntityState.Deleted;
await context.SaveChangesAsync();
}
}
public async Task <Customer> Insert(Customer customer)
{
using (CarReservationContext context = new CarReservationContext())
{
context.Entry(customer).State = EntityState.Added;
await context.SaveChangesAsync();
return(customer);
}
}
public async Task Update(Customer customer)
{
using (CarReservationContext context = new CarReservationContext())
{
try
{
context.Entry(customer).State = EntityState.Modified;
await context.SaveChangesAsync();
}
catch (Exception e)
{
Console.WriteLine(e.Message);
throw CreateOptimisticConcurrencyException(context, customer);
}
}
}
public async Task Update(Reservation reservation)
{
using (CarReservationContext context = new CarReservationContext())
{
if (!DateRangeCheck(reservation))
{
throw new InvalidDateRangeException(
$"Reservation < 24h -> {(reservation.From - reservation.To).TotalHours}h");
}
if (!await AvailabilityCheck(reservation))
{
throw new CarUnavailableException($"car: {reservation.CarId} unavailable");
}
context.Entry(reservation).State = EntityState.Modified;
await context.SaveChangesAsync();
}
}