private static void ValidateComment(CommentModel comment)
{
if (comment.Text == null || comment.Text.Length < MinCommentTextChars || comment.Text.Length > MaxCommentTextChars)
{
throw new ServerErrorException("Invalid Comment Text", "INV_NICK_LEN");
}
}
public static void AddComment(int userId, int placeId, CommentModel comment)
{
ValidateComment(comment);
FoursquareContext context = new FoursquareContext();
var place = context.Places.FirstOrDefault(p => p.Id == placeId);
if (place == null)
{
throw new ServerErrorException("Place does not exist anymore.", "INV_NICK_LEN");
}
Comment newComment = new Comment();
newComment.Text = comment.Text;
var user = context.Users.FirstOrDefault(u => u.Id == userId);
if (user == null)
{
throw new ServerErrorException("User does not exist anymore.", "INV_NICK_LEN");
}
newComment.User = user;
place.Comments.Add(newComment);
context.SaveChanges();
}