public IQueryable <CarModel> GetCars(int carStoreId,
[ValueProvider(typeof(HeaderValueProviderFactory <string>))] string sessionKey)
{
var carsModels = this.PerformOperation <IQueryable <CarModel> >(() =>
{
UserValidator.ValidateSessionKey(sessionKey);
using (var context = this.ContextFactory.Create())
{
var carStore = context.Set <CarStore>().Find(carStoreId);
if (carStore == null)
{
throw new InvalidOperationException("Car store with provided ID does not exist!");
}
var carModels = new List <CarModel>();
var carEntities = carStore.Cars;
foreach (var carEntity in carEntities)
{
carModels.Add(CarsMapper.ToModel(carEntity));
}
return(carModels.AsQueryable <CarModel>());
}
});
return(carsModels);
}
public IQueryable <CarModel> GetMyRentedCars(
[ValueProvider(typeof(HeaderValueProviderFactory <string>))] string sessionKey)
{
var rentedCars = this.PerformOperation <IQueryable <CarModel> >(() =>
{
UserValidator.ValidateSessionKey(sessionKey);
using (var context = this.ContextFactory.Create())
{
var user = context.Set <User>().FirstOrDefault(u => u.SessionKey == sessionKey);
if (user == null)
{
throw new InvalidOperationException("Invalid username or password!");
}
var rentedCarModels = new List <CarModel>();
var rentedCarEntities = context.Set <Car>().Where(c => c.Renter.DisplayName == user.DisplayName);
foreach (var carEntity in rentedCarEntities)
{
rentedCarModels.Add(CarsMapper.ToModel(carEntity));
}
return(rentedCarModels.AsQueryable <CarModel>());
}
});
return(rentedCars);
}
public IQueryable <CarModel> GetAll()
{
var allCars = this.PerformOperation <IQueryable <CarModel> >(() =>
{
using (var context = this.ContextFactory.Create())
{
var carModels = new List <CarModel>();
var carEntities = context.Set <Car>().Include("Renter").OrderBy(c => c.Make).ThenBy(c => c.Model);
foreach (var carEntity in carEntities)
{
carModels.Add(CarsMapper.ToModel(carEntity));
}
return(carModels.AsQueryable <CarModel>());
}
});
return(allCars);
}
