public async Task <RateResponse> AddRatingForDishAsync(AddRatingDto addRatingDto, int userId)
{
var rating = await _unitOfWork.Ratings.FindAsync((userId, addRatingDto.DishId));
double oldRate = 0;
if (rating != null)
{
oldRate = rating.Rate;
rating.Rate = addRatingDto.Rate;
}
else
{
var newRating = _mapper.Map <Rating>(addRatingDto);
newRating.UserId = userId;
_unitOfWork.Ratings.Add(newRating);
}
await _unitOfWork.CommitAsync();
return(new RateResponse()
{
IsNewRate = rating == null,
OldRate = oldRate
});
}
public async Task <ActionResult <RatingDto> > AddRating(AddRatingDto addRatingDto, CancellationToken token = default)
{
var userId = RetrieveUserId().ToString();
var user = await userManager.FindByIdAsync(userId);
if (user == null)
{
return(BadRequest("No such user."));
}
var movie = await Context.Movies.Include(x => x.Ratings)
.FirstOrDefaultAsync(x => x.Id == addRatingDto.MovieId, token);
if (movie == null)
{
return(NotFound("Movie not found."));
}
var rating = await Context.Ratings
.SingleOrDefaultAsync(x => x.User == user && x.Movie == movie, token);
// If user is trying to add a rating that he has already added
if (rating != null)
{
return(Conflict("User has already rated the movie."));
}
movie.AverageRating = (movie.Ratings.Sum(x => x.Rate) + addRatingDto.Rate) / (movie.Ratings.Count + 1);
rating = new Rating {
Movie = movie, User = user, Rate = addRatingDto.Rate, Review = addRatingDto.Review
};
Context.Ratings.Add(rating);
await Context.SaveChangesAsync(token);
return(CreatedAtAction(nameof(GetRating), new { id = rating.Id }, Mapper.Map <Rating, RatingDto>(rating)));
}
public async Task <IActionResult> AddRating(AddRatingDto addRatingDto)
{
return(Ok(await _ratingService.AddRatingForDishAsync(addRatingDto, this.GetContactId())));
}
