Mongoid Associations

I'm having a problem where i'm trying to reference a model called user twice from a comment model.

The first instance is because a user can have many comments (as recipient)

But the other association is a comment has one author. Is that

references_one :user, :inverse_of :author

Would I then need another association in user for comments by that user as opposed to for that user.

embedded_in :user, :inverse_of => :commentsout

I hope it makes a bit of sense.

Maybe something like this makes more sense (pseudo-code)

user:
   has_many:开发者_StackOverflow comments => author
   can_be: author, recipient

comment:
   belongs_to_many: users => recipients
   has_one: user => author

If I understand the problem correctly you can define the associations like this:

class User
  include Mongoid::Document      
  field :name,  :type => String      
  references_many :comments, :inverse_of => :author
  references_and_referenced_in_many :comments_received, :class_name => 'Comment', :inverse_of => :recipients
end

class Comment
  include Mongoid::Document    
  field :text, :type => String
  referenced_in :author, :class_name => 'User'
  references_and_referenced_in_many :recipients, :class_name => 'User', :inverse_of => :comments_received
end

If the target cannot be inferred from the association name you need to add a :class_name parameter. This makes it possible to have multiple associations to the same class.