public async Task <IActionResult> EditRating([FromBody] SetRatingModel setRatingModel)
{
var currentUser = await _userManager.GetUserAsync(User);
var rubric = await _applicationDbContext.Rubrics.Include(x => x.Ratings)
.SingleOrDefaultAsync(x => x.Id == setRatingModel.RubricId);
if (rubric == null)
{
Response.StatusCode = (int)HttpStatusCode.BadRequest;
return(Json("Rubric not found."));
}
if (rubric.Ratings.Where(x => x.ApplicationUserId == currentUser.Id).Any())
{
var rating = rubric.Ratings.First(x => x.ApplicationUserId == currentUser.Id);
if (rating.Value == setRatingModel.Value)
{
//user undoes vote
rubric.Ratings.Remove(rating);
rubric.TotalRating = setRatingModel.Value ? rubric.TotalRating - 1 : rubric.TotalRating + 1;
}
else
{
//user switches directly from one vote to another
rating.Value = setRatingModel.Value;
rubric.TotalRating = setRatingModel.Value ? rubric.TotalRating + 2 : rubric.TotalRating - 2;
}
}
else
{
await _applicationDbContext.Ratings.AddAsync(new Rating
{
ApplicationUserId = currentUser.Id,
RubricId = setRatingModel.RubricId,
Value = setRatingModel.Value
});
rubric.TotalRating = setRatingModel.Value ? rubric.TotalRating + 1 : rubric.TotalRating - 1;
}
await _applicationDbContext.SaveChangesAsync();
var ratingValue = -1;
if (rubric.Ratings.Any(x => x.ApplicationUserId == currentUser.Id))
{
var rating = rubric.Ratings.First(x => x.ApplicationUserId == currentUser.Id);
ratingValue = rating.Value ? 1 : 0;
}
return(Json(new RatingViewModel
{
Vote = ratingValue,
TotalRating = rubric.TotalRating.HasValue ? rubric.TotalRating.Value : 0
}));
}
public async Task <IActionResult> Set([FromBody] SetRatingModel setRatingModel)
{
try
{
await _ratingService.Set(_setRatingMapper.ToBlModel(setRatingModel), User.GetEmail());
return(Ok());
}
catch
{
return(StatusCode(500));
}
}
