/// <summary>
/// Creates a new reservation and saves it to the database
/// </summary>
/// <param name="request">Create reservation DTO</param>
/// <returns>The newly created reserrvation DTO</returns>
public Dto.ReservationResult AddNewReservation(Dto.ReservationRequest request)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
return(Call(() =>
{
//creates a new reservation entity
var reservation = ReservationFactory.CreateReservation(request.Name, request.ReservationDateTime, request.GuestsCount, request.UserId);
var entityValidator = EntityValidatorLocator.CreateValidator();
if (entityValidator.IsValid(reservation))
{
using (var transaction = _reservationRepository.BeginTransaction())
{
_reservationRepository.Add(reservation);
transaction.Commit();
}
}
else
{
return new Dto.ReservationResult
{
Status = ActionResultCode.Errored,
Message = Messages.validation_errors,
Errors = entityValidator.GetInvalidMessages(reservation)
};
}
//returns success
return reservation.ProjectedAs <Dto.ReservationResult>();
}));
}
/// <summary>
/// Updates an existing reservation
/// </summary>
/// <param name="id">The reservation id</param>
/// <param name="request">The changed reservation DTO</param>
/// <returns>The updated reservation DTO</returns>
public Dto.ReservationResult UpdateReservation(int id, Dto.ReservationRequest request)
{
if (id < 1)
{
throw new ArgumentOutOfRangeException("id");
}
return(Call(() =>
{
using (var transaction = _reservationRepository.BeginTransaction())
{
//get the reservation
var reservation = _reservationRepository.Get(id);
//returns failure if a reservation is not found
if (reservation == null)
{
return new Dto.ReservationResult
{
Status = ActionResultCode.Failed,
Message = string.Format(Messages.reservation_not_found, id)
};
}
//updates fields from the DTO
reservation.Name = request.Name;
reservation.ReservationDateTime = request.ReservationDateTime;
reservation.GuestsCount = request.GuestsCount;
reservation.ModifiedBy = request.UserId;
reservation.ModifiedOn = DateTime.Now;
//validates the reservation
var entityValidator = EntityValidatorLocator.CreateValidator();
if (entityValidator.IsValid(reservation))
{
transaction.Commit();
}
else
{
return new Dto.ReservationResult
{
Status = ActionResultCode.Errored,
Message = Messages.validation_errors,
Errors = entityValidator.GetInvalidMessages(reservation)
};
}
//returns the updated reservation
return reservation.ProjectedAs <Dto.ReservationResult>();
}
}));
}
public static EntityResult <T> SaveEntity <TEntity, T>(this IRepository <TEntity> repository, T entity)
where TEntity : class
where T : class, TEntity
{
if (entity == null)
{
throw new ArgumentNullException(nameof(entity));
}
var entityValidator = EntityValidatorLocator.CreateValidator();
var isValid = entityValidator.IsValid(entity);
if (!isValid)
{
return(new EntityResult <T>(entityValidator, entity, false));
}
var context = repository.UnitOfWork;
repository.Add(entity);
context.SaveChanges();
return(new EntityResult <T>(entityValidator, entity, true));
}
public static EntityResult <T> SaveEntity <TEntity, T>(this IRepository <TEntity> repository, T entity)
where TEntity : class
where T : class, TEntity
{
if (entity == null)
{
throw new ArgumentNullException(nameof(entity));
}
var entityValidator = EntityValidatorLocator.CreateValidator();
var isValid = entityValidator.IsValid(entity);
if (!isValid)
{
return(new EntityResult <T>(entityValidator, entity, false));
}
using (var transaction = repository.BeginTransaction())
{
repository.Add(entity);
transaction.Commit();
}
return(new EntityResult <T>(entityValidator, entity, true));
}