Screencast: Notifications in Rails 3

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Resourcen:

• ActiveSupport::Notifications docs
• Full episode source code

Quellcode:

[ruby] # config/initializers/notifications.rb ActiveSupport::Notifications.subscribe “process_action.action_controller” do |name, start, finish, id, payload| PageRequest.create! do |page_request| page_request.path = payload[:path] page_request.page_duration = (finish - start) * 1000 page_request.view_duration = payload[:view_runtime] page_request.db_duration = payload[:db_runtime] end end

ActiveSupport::Notifications.subscribe “products.search” do |name, start, finish, id, payload| Rails.logger.debug “SEARCH: #{payload[:search]}” end

# models/product.rb ActiveSupport::Notifications.instrument(“products.search”, :search => search) [/ruby]