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= dm-is-viewable Adds simple SQL View-like functionality to DataMapper. It helps keep your queries dry. = Viewables === Before @users = User.all(:active => true, :age.gt => 18, :gender => :female) === After class User include DataMapper::Resource is :viewable # After the name symbol you can treat supply anything that would work in Resource#all create_view :legal_women, :active => true, :age.gt => 18, :gender => :female create_view :legal_people, :active => true, :age.gt => 18 #... Your code here ... end @users = User.view :legal_women # :) === Further restricting results @users = User.view :legal_women, :city => 'Los Angeles' # => Only finds women in LA @users = User.view :legal_people, :gender => :male # => Finds dudes if thats what you are into. # Remember, views restrict results so the following would return nothing @users = User.view :legal_women, :gender => :male # => returns nil, the query essentially became: # Select * from users where gender = 'female' and gender = 'male'; #Example of JOIN TODO === Complaints <nasally_nerd_voice> But sirs, a SQL View is a separate table like structure, not something definable in an object!??!1eleven. </nasally_nerd_voice> This is for an ORM, so views are mapped into the objects, besides you are probably accessing your true MySQL views with another DataMapper::Resource.