On 25 January 2012 06:49, angel david <li...@ruby-forum.com> wrote: > Hi all, > > I have a requirement were the following is to be done: > > A user can belong to single chapter. Chapter has many channels.. So a > particular user can only be a part of a single chapter. How can i do > this validation in rails 3?
If a user belongs_to chapter then there is no need to validate that the user is part of only one chapter as it is impossible to be part of more than one with a belongs_to relationship. Have a look at the Rails Guide on ActiveRecord Relationships for more information on relationships. 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.
