public DestinationDTO(Destination pDestination)
 {
     this.DestinationID = pDestination.DestinationID;
     this.Type = pDestination.Type;
     this.Name = pDestination.Name;
     this.Address = pDestination.Address;
     this.DayID = pDestination.Day.DayID;
     
 }
        public IHttpActionResult PutDestination(int id, Destination destination)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            if (id != destination.DestinationID)
            {
                return BadRequest();
            }

            db.Entry(destination).State = EntityState.Modified;

            try
            {
                db.SaveChanges();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!DestinationExists(id))
                {
                    return NotFound();
                }
                else
                {
                    throw;
                }
            }

            return StatusCode(HttpStatusCode.NoContent);
        }
        public IHttpActionResult PostDestination(DestinationDTO destinationDTO)
        {
            Destination newDestination = new Destination();
            newDestination.Address = destinationDTO.Address;
            newDestination.Name = destinationDTO.Name;
            newDestination.Type = destinationDTO.Type;
            Day associatedDay = db.Days.Where(d => d.DayID == destinationDTO.DayID).First();
            newDestination.Day = associatedDay;


            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            db.Destinations.Add(newDestination);
            db.SaveChanges();
            destinationDTO.DestinationID = newDestination.DestinationID;

            return CreatedAtRoute("DefaultApi", new { id = newDestination.DestinationID }, destinationDTO);
        }