Class: Merb::ActiveRecordSession

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
lib/merb/session/active_record_session.rb

Overview

ActiveRecordMixin

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#data ⇒ Object

Lazy-unmarshal session state.



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# File 'lib/merb/session/active_record_session.rb', line 100

def data
  @data ||= self.class.unmarshal(read_attribute(@@data_column_name)) || {}
end

#needs_new_cookie ⇒ Object

Returns the value of attribute needs_new_cookie.



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# File 'lib/merb/session/active_record_session.rb', line 27

def needs_new_cookie
  @needs_new_cookie
end

Class Method Details

.create_table! ⇒ Object 



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# File 'lib/merb/session/active_record_session.rb', line 59

def create_table!
  connection.execute "CREATE TABLE \#{table_name} (\nid INTEGER PRIMARY KEY,\n\#{connection.quote_column_name('session_id')} TEXT UNIQUE,\n\#{connection.quote_column_name(@@data_column_name)} TEXT(255)\n)\n"
end

.data_column_size_limit ⇒ Object 



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# File 'lib/merb/session/active_record_session.rb', line 52

def data_column_size_limit
  @data_column_size_limit ||= columns_hash[@@data_column_name].limit
end

.drop_table! ⇒ Object 



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# File 'lib/merb/session/active_record_session.rb', line 69

def drop_table!
  connection.execute "DROP TABLE #{table_name}"
end

.generate ⇒ Object

Generates a new session ID and creates a row for the new session in the database.



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# File 'lib/merb/session/active_record_session.rb', line 31

def generate
  create(:session_id => Merb::SessionMixin::rand_uuid, :data => {})
end

.marshal(data) ⇒ Object 



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# File 'lib/merb/session/active_record_session.rb', line 56

def marshal(data)   Base64.encode64(Marshal.dump(data)) if data end

.persist(session_id) ⇒ Object

Gets the existing session based on the session_id available in cookies. If none is found, generates a new session.



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# File 'lib/merb/session/active_record_session.rb', line 37

def persist(session_id)
  if session_id
    session = find_by_session_id(session_id)
  end
  unless session
    session = generate
  end
  [session, session.session_id]
end

.reloadable? ⇒ Boolean

Don’t try to reload ARStore::Session in dev mode.

Returns:

  • (Boolean) 


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# File 'lib/merb/session/active_record_session.rb', line 48

def reloadable? #:nodoc:
  false
end

.unmarshal(data) ⇒ Object 



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# File 'lib/merb/session/active_record_session.rb', line 57

def unmarshal(data) Marshal.load(Base64.decode64(data)) if data end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/merb/session/active_record_session.rb', line 91

def [](key)
  data[key]
end

#[]=(key, val) ⇒ Object 



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# File 'lib/merb/session/active_record_session.rb', line 95

def []=(key, val)
  data[key] = val
end

#delete ⇒ Object

Lazy-delete of session data



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# File 'lib/merb/session/active_record_session.rb', line 87

def delete
  self.data = {}
end

#loaded? ⇒ Boolean

Has the session been loaded yet?

Returns:

  • (Boolean) 


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# File 'lib/merb/session/active_record_session.rb', line 105

def loaded?
  !! @data
end

#refresh_expiration ⇒ Object

Recreates the cookie with the default expiration time Useful during log in for pushing back the expiration date



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# File 'lib/merb/session/active_record_session.rb', line 82

def refresh_expiration
  self.needs_new_cookie = true
end

#regenerate ⇒ Object

Regenerate the Session ID



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# File 'lib/merb/session/active_record_session.rb', line 75

def regenerate
  update_attributes(:session_id => Merb::SessionMixin::rand_uuid)
  self.needs_new_cookie = true
end