Turn session-persistence plugin into a library

[rails.git] / lib / session_persistence / session_persistence.rb

diff --git a/lib/session_persistence/session_persistence.rb b/lib/session_persistence/session_persistence.rb
new file mode 100644 (file)
index 0000000..7bb51bc
--- /dev/null
+++ b/lib/session_persistence/session_persistence.rb
@@ -0,0 +1,28 @@
+module SessionPersistence
+  private
+  
+  # Override this method if you don't want to use session[:_remember_for].
+  def session_persistence_key
+    :_remember_for
+  end
+
+  # Persist the session.
+  #
+  #   session_expires_after 1.hour
+  #   session_expires_after 2.weeks
+  def session_expires_after(seconds)
+    session[session_persistence_key] = seconds 
+  end
+  
+  # Expire the session.
+  def session_expires_automatically
+    session.delete(session_persistence_key)
+  end
+  alias_method :expire_session, :session_expires_automatically
+  
+  def _persist_session
+    if session[session_persistence_key]
+      env["rack.session.options"][:expire_after] = session[session_persistence_key]
+    end
+  end
+end