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module MyApplication
module Business
class Company < ActiveRecord::Base
attr_protected :rating
end
class Firm < Company
has_many :clients, :order => "id", :dependent => true
has_many :clients_sorted_desc, :class_name => "Client", :order => "id DESC"
has_many :clients_of_firm, :foreign_key => "client_of", :class_name => "Client", :order => "id"
has_many :clients_like_ms, :conditions => "name = 'Microsoft'", :class_name => "Client", :order => "id"
has_many :clients_using_sql, :class_name => "Client", :finder_sql => 'SELECT * FROM companies WHERE client_of = #{id}'
has_one :account, :dependent => true
end
class Client < Company
belongs_to :firm, :foreign_key => "client_of"
belongs_to :firm_with_other_name, :class_name => "Firm", :foreign_key => "client_of"
end
class Developer < ActiveRecord::Base
has_and_belongs_to_many :projects
protected
def validate
errors.add_on_boundary_breaking("name", 3..20)
end
end
class Project < ActiveRecord::Base
has_and_belongs_to_many :developers
end
end
module Billing
class Account < ActiveRecord::Base
belongs_to :firm, :class_name => "MyApplication::Business::Firm"
protected
def validate
errors.add_on_empty "credit_limit"
end
end
end
end
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