Flyer

# config/initializers/flyer.rb
# Use one init block for each notification
Flyer::Notification.init do |config|
  # Unique id. Used to uniquely identify a notification.
  config.id = "new-user"

  # Message to be passed to view. Is evaluated in the view context.
  config.message { "Your nickname is #{current_user.nickname}" + icon("flash") }

  # Optional. Path to be pssed to view. Is evaluated in the controller context.
  config.path { root_path }

  # Optional. Only display notification if this blocks evaluates to true
  # The block is evaluated in the controller context.
  config.on { current_user.admin? and not first_visit? }

  # Optional. Number of times to display the notification 
  # for each user. Default is 1.
  config.limit = 1

  # Optional. When should the notification be visible?
  config.valid = { from: "2015-04-01", to: "2016-04-01" }

  # Optional. Arbitrary data to be passed to view. 
  config.params = { timeout: 10 }
end

# Global configuration
Flyer.configure do |config|
  # Only display one notification at the time
  config.max_notifications = 1
end