Rails: Best association model for Users ->posts -> comments model in a forum kinda of website?

Question

I\'m creating a forum website, where each registered user can write many posts and
each post can have many comments.
Also each user can comment on any posts created by a

Answer 1

Since your post has many comments, so it is post.comments instead of post.comment

Since comments is a list of comments, comments.user is not valid also.

You will need the comment's id so that you could find the specific comment's user:

post.comments.find(params[:id]).user

of course, you could also get all users:

post.comments.all.collect(&:user)