On 3 July 2012 15:56, Yusuke Enomoto <mosa...@gmail.com> wrote: > Hello.I have a question. I am making chat application to practice RoR. > > I have three models. User, Chat, and Message. > The relationship is that User has many chats(it means chat's host) and many > message,s Chat has many messages. > > Now I want to create a lobby page like this. > http://freezing-sword-4391.herokuapp.com/chat/lobby > > This page shows all chats sorted by the last message's created_at. each chat > shows who is chat's host, and what the last message is. > > Is there any good way to get resource by ActiveRecord's method?
Sorry, I don't understand the question. Have you worked right through some tutorials (railstutorial is good and is free to use online) to understand the basics of rails? If not then I suggest you do this. > > Besides, the amount of messages will be huge,so is there good way to get all > chats which have the last message by loading LIMIT 1 message? You can fetch just the first record of a query by using .first Colin -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en-US.