### Home Classes Methods

### In Files

- lib/authlogic/session/scopes.rb

### Methods

- #scope
- #with_scope

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- README.rdoc

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# Authlogic::Session::Scopes::ClassMethods

# Scopes

### Public Instance Methods

scope() click to toggle source

The current scope set, should be used in the block passed to with_scope.

    # File lib/authlogic/session/scopes.rb, line 19
    def scope
      Thread.current[:authlogic_scope]
    end

with_scope(options = {}, &block) click to toggle source

What with_scopes focuses on is scoping the query when finding the object and the name of the cookie / session. It works very similar to ActiveRecord::Base#with_scopes. It accepts a hash with any of the following options:

- `find_options:` any options you can pass into ActiveRecord::Base.find. This is used when trying to find the record.

- `id:` The id of the session, this gets merged with the real id. For information ids see the id method.

Here is how you use it:

    UserSession.with_scope(:find_options => {:conditions => "account_id = 2"}, :id => "account_2") do
      UserSession.find
    end

Eseentially what the above does is scope the searching of the object with the sql you provided. So instead of:

    User.find(:first, :conditions => "login = 'ben'")

it would be:

    User.find(:first, :conditions => "login = 'ben' and account_id = 2")

You will also notice the :id option. This works just like the id method. It scopes your cookies. So the name of your cookie will be:

    account_2_user_credentials

instead of:

    user_credentials

What is also nifty about scoping with an :id is that it merges your id’s. So if you do:

    UserSession.with_scope(:find_options => {:conditions => "account_id = 2"}, :id => "account_2") do
      session = UserSession.new
      session.id = :secure
    end

The name of your cookies will be:

    secure_account_2_user_credentials

    # File lib/authlogic/session/scopes.rb, line 61
    def with_scope(options = {}, &block)
      raise ArgumentError.new("You must provide a block") unless block_given?
      self.scope = options
      result = yield
      self.scope = nil
      result
    end

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