/// <summary>
///
/// </summary>
/// <param name="currentInfo"></param>
/// <param name="post"></param>
/// <param name="rating"></param>
/// <returns></returns>
public static ModuleRatingInfo addRating(ModuleRatingInfo currentInfo, Post post, Rating rating)
{
// If post is not null, add the post and rating to forums database.
// Even if the post is empty, still add it.
if (post != null)
{
post.PostType = Posts.PostType.Rating;
post.ParentID = currentInfo.ThreadID;
post.IsLocked = true;
post = Posts.AddPost(post);
rating.PostID = post.PostID;
Ratings.AddRating(rating);
}
// Calculate the new rating and construct a new ModuleRatingInfo
// object to be returned.
float newRating = 0;
if (currentInfo.NumRatings == 0)
{
newRating = rating.Value;
}
else
{
newRating = (currentInfo.Rating * currentInfo.NumRatings + rating.Value) /
(currentInfo.NumRatings + 1);
}
ModuleRatingInfo newInfo = new ModuleRatingInfo();
newInfo.ModuleID = currentInfo.ModuleID;
newInfo.ThreadID = currentInfo.ThreadID;
newInfo.Rating = newRating;
newInfo.NumRatings = currentInfo.NumRatings + 1;
// Update the module rating in the module database.
ModuleRatings.updateRating(newInfo);
return(newInfo);
}