public async Task <double> ChangeRating(RecipeRatingViewModel recipeRatingViewModel)
{
ApplicationUser user = await base._userManager.GetUserAsync(HttpContext.User);
user.UserRecipeRatings = this._recipeService.GetRecipeRatingByUser(user.Id);
Recipe recipe = this._recipeService.GetById(recipeRatingViewModel.RecipeId);
if (user.Id != recipe.UserId && (user.UserRecipeRatings == null || user.UserRecipeRatings.All(r => r.RecipeId != recipeRatingViewModel.RecipeId)))
{
recipeRatingViewModel.UserId = user.Id;
UserRecipeRating userRecipeRating = this._mapper.Map <UserRecipeRating>(recipeRatingViewModel);
recipe = this._recipeService.UpdateByRating(userRecipeRating);
return(this._recipeService.CalculateRating(recipe));
}
return(DefaultRating);
}
public Recipe UpdateByRating(UserRecipeRating recipeRating)
{
this._repository.Add(recipeRating);
return(this.GetById(recipeRating.RecipeId));
}
public void CalculateUserVote(Recipe recipe, string userId)
{
UserRecipeRating userRecipeRating = recipe.UserRecipeRatings.FirstOrDefault(ur => ur.UserId == userId);
recipe.UserRating = userRecipeRating != null ? userRecipeRating.Rating : 0;
}
