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class Account
include Mongoid::Document
include Mongoid::Timestamps
field :subdomain, :type => String
embeds_many :users
accepts_nested_attributes_for :users
validates_presence_of :name, :subdomain
validates_uniqueness_of :subdomain, :case_sensitive => false
validates_exclusion_of :subdomain, :in => %w(www support media admin help), :message => "%s is reserved"
validates_each :users do |document, attribute, value|
users = value.to_a
unless users.any? && users.all?(&:valid?)
document.errors.add(attribute, :invalid, :value => value)
end
end
end
class User
include Mongoid::Document
include Mongoid::Timestamps
embedded_in :account, :inverse_of => :users
devise :database_authenticatable, :recoverable, :rememberable,
:authentication_keys => [ :email, :subdomain ]
def self.find(*args)
options = args.extract_options!
user_options = Hash[*(options[:conditions] || {}).map { |k, v| [ :"users.#{k == :id ? :_id : k}", v ] }.flatten]
if account = Account.find(*(args + [options.merge(:conditions => user_options)]))
account.users.detect do |u|
options[:conditions].all? { |k, v| u.send(k) == v }
end
else
super
end
end
def self.find_for_authentication(conditions={})
if account = Account.where(:subdomain => conditions.delete(:subdomain)).first
account.users.detect { |u| u.email == conditions[:email] }
else
nil
end
end
end
@fauxparse
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fauxparse commented Feb 15, 2011

@djfobbz: I'm not in a position to answer questions about your problem domain. This was a good fit for me, since in my app I always had access to the current account and so all the user stuff was scoped to that account and loaded automatically, and there weren't many users per account.Your mileage may vary.

@jeremy6d
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jeremy6d commented Jan 4, 2013

I've documented an alternative approach here. I'd be interested in any comments, criticisms, suggestions, etc.

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