app/models/setting.rb
# Storage for app-wide settings.
#
# Set a setting like this:
#
# Setting[:base_domain] = "oneclickorgs.com"
#
# Get a setting like this:
#
# Setting[:base_domain]
class Setting < ActiveRecord::Base
attr_accessible :key
def self.[](the_key)
setting = where(:key => the_key.to_s).first
setting ? setting.value : nil
end
def self.[]=(the_key, the_value)
setting = where(:key => the_key.to_s).first || self.new(:key => the_key.to_s)
setting.value = the_value
setting.save!
setting.value
end
end