public void Execute(int search, RentUpdateRequestDTO request)
{
var rent = AiContext.Rents
.Find(search);
if (rent == null || rent.IsDeleted == 1)
{
throw new EntityNotFoundException("Rent");
}
//Allowing modifying rent only in period of reservation
//Status with id 9 is "Reserved" status
if (rent.StatusId != 9)
{
throw new IndexOutOfRangeException();
}
//
var user = AiContext.Users
.Find(request.UserId);
if (user == null || user.IsDeleted == 1)
{
throw new EntityNotFoundException("User");
}
var pickLocaton = AiContext.Locations
.Find(request.LocationId);
if (pickLocaton == null || pickLocaton.IsDeleted == 1)
{
throw new EntityNotFoundException("Pick up location");
}
var dropLocation = AiContext.Locations
.Find(request.DropLocationId);
if (dropLocation == null || dropLocation.IsDeleted == 1)
{
throw new EntityNotFoundException("Drop off location");
}
var customer = AiContext.Customers
.Find(request.CustomerId);
if (customer == null || customer.IsDeleted == 1)
{
throw new EntityNotFoundException("Customer");
}
var vehicle = AiContext.Vehicles
.Find(request.VehicleId);
if (vehicle == null || vehicle.IsDeleted == 1)
{
throw new EntityNotFoundException("Vehicle");
}
//If vehicle is rented renting won't be possible
if (vehicle.Rented == true && vehicle.Id != rent.VehicleId)
{
throw new EntityExistsException();
}
//If it's not rented, column in vehicle 'Rented' is changed to true until renting status is 'Returned'
//Previous vehicle status is set back to avaliable
if (vehicle.Id != rent.VehicleId)
{
vehicle.Rented = true;
vehicle.ModifiedAt = DateTime.Now;
var previousVehicle = AiContext.Vehicles
.Find(rent.VehicleId);
previousVehicle.Rented = false;
previousVehicle.ModifiedAt = DateTime.Now;
}
//
rent.UserId = request.UserId;
rent.CustomerId = request.CustomerId;
rent.DropLocationId = request.DropLocationId;
rent.LocationId = request.LocationId;
rent.PickDate = request.PickDate;
rent.DropDate = request.DropDate;
rent.VehicleId = request.VehicleId;
rent.FirstName = customer.FirstName;
rent.LastName = customer.LastName;
rent.Email = customer.Email;
rent.VehicleCostPerDay = vehicle.CostPerDay;
rent.PickAdress = pickLocaton.Adress;
rent.DropAdress = dropLocation.Adress;
rent.ModifiedAt = DateTime.Now;
//Updating initial price based on vehicle cost, days and pickup location
var days = Math.Ceiling((request.DropDate - request.PickDate).TotalDays);
if (days <= 0)
{
throw new ArgumentOutOfRangeException();
}
rent.TotallPrice = vehicle.CostPerDay * days + pickLocaton.Price;
//Updating Extra add-ons
//Removing extra addons which were in old list and not in new
var extraAddons = AiContext.RentExtraAddons
.Where(x => x.RentId == rent.Id)
.Select(x => x.ExtraAddonId);
var newExtraAddons = request.ExtraAddonIds;
var diffOldExtraAddons = extraAddons.Except(newExtraAddons);
foreach (var x in diffOldExtraAddons)
{
var removeExtra = AiContext.RentExtraAddons
.Where(b => b.RentId == rent.Id)
.Where(b => b.ExtraAddonId == x)
.FirstOrDefault();
AiContext.Remove(removeExtra);
rent.TotallPrice -= removeExtra.Price;
}
//Adding addons which are in new list
var diffNewExtraAddons = newExtraAddons.Except(extraAddons);
foreach (var x in diffNewExtraAddons)
{
var extra = AiContext.ExtraAddons
.Find(x);
if (extra == null || extra.IsDeleted == 1)
{
throw new EntityNotFoundException("Extra addon with id " + x);
}
var extraAddonRent = new RentExtraAddon
{
RentId = rent.Id,
ExtraAddonId = x,
Price = AiContext.ExtraAddons
.Where(e => e.Id == x)
.Select(e => e.Price)
.FirstOrDefault()
};
AiContext.RentExtraAddons
.Add(extraAddonRent);
rent.TotallPrice += extraAddonRent.Price;
}
AiContext.SaveChanges();
}