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I am trying to create a messaging system for my users but I''m having a hard time designing my db. This is what i have in mind, but I am not sure if its the best approach. user has_one inbox user has_one outbox inbox has_many messages outbox has_many messages inbox table user_id outbox table user_id messages table box_id (refers to either inbox or outbox - how?) from_id to_id

In my last post I was asking how I could check for the existance of a record before inserting a new one and this was the helper method that I was using to do this: def already_friend_of?(friend) begin self.friends.find(friend.id) true rescue false end end I was told that this is not very efficient, as it hits the db every time I call it. I completely agree and would like to

Whenever I get any errors on my application, I don''t get the regular rails error page with all the debugging information. What could''ve cause this? This is from the logs: ActionView::ActionViewError (No rhtml, rxml, rjs or delegate template found for /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/action_controller/templates/rescues/template_error.rhtml):

I''ve been following some tutorials on how to get switchtower working on dreamhost. I got the setup to work just fine, but the rake deploy doesn''t work. I get the following error. any ideas? ---------------------------------------------- > rake deploy (in /home/.interim/i8ramin/work/yaram.com) loading configuration

I have a User model who HBTM Friends (class User). I would like to check for the existance of a user in the friends table before actually adding them (in case they were already added as a friend.) I have a method called already_friend_of?(friend) defined in my User model, but I am not sure how to define this method. I simply want to check to see if one user is already a friend of another user