DbSession
Simplify the task of storing temporary data in the database.
Getting started
Add DbSession to your Gemfile:
gem 'db_session'
Run the bundle command to install it.
After you install DbSession and add it to your Gemfile, you need to run the generator:
rails generate db_session:install
The generator will install an initializer which describes DbSession configuration options.
Configuration
You can set up the life span of a session in config/initializers/db_session.rb:
config.session_validity = 60 * 60 * 24 * 2
This value represent the time in seconds after which a session expire and can potentially be deleted from the database. The expiration of a session is counted from the time it was last modified.
Usage
You can call this methods inside any controller:
set_db_session(key, value)
This method overwrite the content of the session with the key–value pair.
add_to_db_session(key, value)
This method add the key–value pair to the content of the session.
get_from_db_session(key)
This method return the value stored in the session for the specified key. If no key is specified it returns the whole content of the session.
clear_db_session
This method clear the content of the session.