Correspondence

Next generation associations

Todo

• one associations
  Support defining a class and method to find associated object
• many assocations
  Support defining a class and finding multiple related objects
• Arbitrary item many associations
  Support finding N arbitrary objects related to the querying object
• Automagically inferring inverse relationships.

Usage

class User
  corresponds_with :profile
end

This will create a profile method on any instance of the user class. By default the profile method will call Profile.find(id) where id is a method on the user class.

Options

• :class_name specify a string for the association class name.
• :class allows specifying a string, class, symbol or proc. Symbols must be class methods on the associating class, procs should resolve to the association class.
• :on a symbol or string specifying the method that should be called on the associating class as a reference to the association. Defaults to :id.
• :using a symbol or string that is the method that will be called on the association call. This method will be passed the results of :on. Defaults to :find.