コード例 #1
0
        public async Task <IActionResult> Rate()
        {
            Console.WriteLine($"/community/assetBrowser/rate{Request.QueryString}");

            // make sure the rating query exists, and is either 0 or 1
            if (Int32.TryParse(Request.Query["rating"], out Int32 ratingNumber))
            {
                if (ratingNumber != 0 &&
                    ratingNumber != 1)
                {
                    return(Ok());
                }
            }

            bool rating = ratingNumber == 1;

            // make sure we can parse the assetId query
            if (Int64.TryParse(Request.Query["assetId"], out Int64 assetId))
            {
                var author = await _userManager.GetUserAsync(User);

                var asset = await _assetManager.FindByIdAsync(assetId);

                // make sure the asset exists
                if (asset != null &&
                    asset.Used)
                {
                    // check if the rating already exists
                    var assetRating = await _ratingManager.FindAsync(author, asset);

                    if (assetRating != null)
                    { // already exists, so update rating
                        // only update rating when rating differs
                        if (assetRating.Rating != rating)
                        {
                            assetRating.Rating = rating;

                            // when updating fails, error out
                            if (!await _ratingManager.UpdateAsync(assetRating))
                            {
                                return(StatusCode(500));
                            }
                        }
                    }
                    else
                    { // doesn't exist, so add rating
                        // when adding the rating fails, error out
                        if (!await _ratingManager.AddAsync(author, asset, rating))
                        {
                            return(StatusCode(500));
                        }
                    }
                }
            }

            return(Ok());
        }