public ActionResult Rent(VideoRentViewModel model)
{
Video video = db.Videos.Include(v => v.Copies)
.SingleOrDefault(v => v.ID == model.ID && v.Copies.Where(c => c.RentedDate == null).Count() > 0);
if (video == null)
{
return(HttpNotFound());
}
DateTime now = DateTime.UtcNow;
VideoCopy copy = video.Copies.Where(c => c.RentedDate == null).First();
copy.RentedDate = now;
copy.RenterID = UserID;
copy.RentedDays = model.Days;
db.Entry(copy).State = EntityState.Modified;
UserHistory history = new UserHistory();
history.Copy = copy;
history.ID = Guid.NewGuid();
history.PointsEarned = (video.Age == VideoAge.New ? 2 : 1);
history.RentedDate = now;
history.RentedDays = model.Days;
history.UserID = UserID;
db.UserHistory.Add(history);
db.SaveChanges();
return(Json(true, JsonRequestBehavior.AllowGet));
}
/// <summary>
/// Rent a particual video, if available.
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public IHttpActionResult Rent(VideoRentViewModel model)
{
// Note that I would prefer to have a service deal with the renting
// and other operations on videos or video copies because
// this code is duplicated in the api service. I'm not doing that here
// to avoid complexity.
//
// The call the could be service.Rent(model.ID, UserID, days); for both
// uses.
Video video = db.Videos.Include(v => v.Copies)
.SingleOrDefault(v => v.ID == model.ID && v.Copies.Where(c => c.RentedDate == null).Count() > 0);
if (video == null)
{
return(NotFound());
}
DateTime now = DateTime.UtcNow;
VideoCopy copy = video.Copies.Where(c => c.RentedDate == null).First();
copy.RentedDate = now;
copy.RenterID = UserID;
copy.RentedDays = model.Days;
db.Entry(copy).State = EntityState.Modified;
UserHistory history = new UserHistory();
history.Copy = copy;
history.ID = Guid.NewGuid();
history.PointsEarned = (video.Age == VideoAge.New ? 2 : 1);
history.RentedDate = now;
history.RentedDays = model.Days;
history.UserID = UserID;
db.UserHistory.Add(history);
db.SaveChanges();
return(Json(history));
}
