public DomainOperationVo <UserContentRating> Rate(Guid userId, Guid id, decimal scoreDecimal)
{
UserContentRating rating;
IQueryable <UserContentRating> existing = repository.GetRatings(id);
bool exists = existing.Any(x => x.UserId == userId);
if (exists)
{
rating = existing.First(x => x.UserId == userId);
rating.Score = scoreDecimal;
repository.UpdateRating(id, rating);
return(new DomainOperationVo <UserContentRating>(DomainActionPerformed.Update, rating));
}
else
{
rating = new UserContentRating
{
UserId = userId,
Score = scoreDecimal
};
repository.AddRating(id, rating);
return(new DomainOperationVo <UserContentRating>(DomainActionPerformed.Create, rating));
}
}
public void AddRating(Guid id, UserContentRating rating)
{
rating.Id = Guid.NewGuid();
FilterDefinition <UserContent> filter = Builders <UserContent> .Filter.Where(x => x.Id == id);
UpdateDefinition <UserContent> add = Builders <UserContent> .Update.AddToSet(c => c.Ratings, rating);
Context.AddCommand(() => DbSet.UpdateOneAsync(filter, add));
}
public void UpdateRating(Guid id, UserContentRating rating)
{
FilterDefinition <UserContent> filter = Builders <UserContent> .Filter.And(
Builders <UserContent> .Filter.Eq(x => x.Id, id),
Builders <UserContent> .Filter.ElemMatch(x => x.Ratings, x => x.UserId == rating.UserId));
UpdateDefinition <UserContent> update = Builders <UserContent> .Update
.Set(c => c.Ratings[-1].Score, rating.Score);
Context.AddCommand(() => DbSet.UpdateOneAsync(filter, update));
}
public OperationResultVo GetForDetails(Guid currentUserId, Guid id)
{
try
{
UserContent existing = userContentDomainService.GetById(id);
ComicStripViewModel vm = mapper.Map <ComicStripViewModel>(existing);
UserContentRating currentUserRate = existing.Ratings.FirstOrDefault(x => x.UserId == currentUserId);
if (currentUserRate != null)
{
vm.CurrentUserRating = currentUserRate.Score;
}
int ratingCounts = existing.Ratings.Count > 0 ? existing.Ratings.Count : 1;
vm.RatingCount = existing.Ratings.Count;
vm.TotalRating = existing.Ratings.Sum(x => x.Score) / ratingCounts;
vm.LikeCount = vm.Likes.Count;
vm.CommentCount = vm.Comments.Count;
SetAuthorDetails(vm);
LoadAuthenticatedData(currentUserId, vm);
SetImagesToShow(vm, false);
return(new OperationResultVo <ComicStripViewModel>(vm));
}
catch (Exception ex)
{
return(new OperationResultVo(ex.Message));
}
}
