gistfile1.rb

class Subdomain
  include DataMapper::Resource

  property  :id,             Serial,  :index => true
  property  :user_id,        Integer,  :index => true
  property  :domain_id,      Integer,  :index => true
  property  :rack_app_id,    Integer,  :index => true
  property  :name,           String

  belongs_to  :rack_app
  belongs_to  :user
  belongs_to  :domain
  
end

class UsagePermission
  include DataMapper::Resource

    property  :id,                             Serial,  :index => true
    property :available_subdomains_count,   Integer
    property :domain_id,                      Integer,  :index => true
    property :user_id,                        Integer,  :index => true

    belongs_to :user
    belongs_to :domain
end


class User
  include DataMapper::Resource

  has n, :usage_permissions
  has n, :domains, :through => :usage_permissions, :mutable => true # workaround XXX http://datamapper.lighthouseapp.com/projects/20609/tickets/485-has-n-through-does-not-allow-saving-of-model
  has n, :subdomains
  has n, :ports
  has n, :memory_usage_records

....
end

class Domain
  include DataMapper::Resource

  property  :id,        Serial,  :index => true
  property  :name,      String,     :nullable => false,  :default => "drakor.eu"
  property  :owner_id,  Integer,  :index => true

  has n, :usage_permissions
  has n, :users, :through => :usage_permissions, :mutable => true # workaround XXX http://datamapper.lighthouseapp.com/projects/20609/tickets/485-has-n-through-does-not-allow-saving-of-model
  has n, :subdomains
  belongs_to :owner, :class_name => "User"
end