require "active_record" require "rails" require "active_model/railtie" # For now, action_controller must always be present with # rails, so let's make sure that it gets required before # here. This is needed for correctly setting up the middleware. # In the future, this might become an optional require. require "action_controller/railtie" module ActiveRecord # = Active Record Railtie class Railtie < Rails::Railtie config.active_record = ActiveSupport::OrderedOptions.new config.app_generators.orm :active_record, :migration => true, :timestamps => true config.app_middleware.insert_after "::ActionDispatch::Callbacks", "ActiveRecord::QueryCache" config.app_middleware.insert_after "::ActionDispatch::Callbacks", "ActiveRecord::ConnectionAdapters::ConnectionManagement" config.action_dispatch.rescue_responses.merge!( 'ActiveRecord::RecordNotFound' => :not_found, 'ActiveRecord::StaleObjectError' => :conflict, 'ActiveRecord::RecordInvalid' => :unprocessable_entity, 'ActiveRecord::RecordNotSaved' => :unprocessable_entity ) rake_tasks do load "active_record/railties/databases.rake" end # When loading console, force ActiveRecord::Base to be loaded # to avoid cross references when loading a constant for the # first time. Also, make it output to STDERR. console do |app| require "active_record/railties/console_sandbox" if app.sandbox? console = ActiveSupport::Logger.new(STDERR) Rails.logger.extend ActiveSupport::Logger.broadcast console end initializer "active_record.initialize_timezone" do ActiveSupport.on_load(:active_record) do self.time_zone_aware_attributes = true self.default_timezone = :utc end end initializer "active_record.logger" do ActiveSupport.on_load(:active_record) { self.logger ||= ::Rails.logger } end initializer "active_record.identity_map" do |app| config.app_middleware.insert_after "::ActionDispatch::Callbacks", "ActiveRecord::IdentityMap::Middleware" if config.active_record.delete(:identity_map) end initializer "active_record.set_configs" do |app| ActiveSupport.on_load(:active_record) do if app.config.active_record.delete(:whitelist_attributes) attr_accessible(nil) end app.config.active_record.each do |k,v| send "#{k}=", v end end end # This sets the database configuration from Configuration#database_configuration # and then establishes the connection. initializer "active_record.initialize_database" do |app| ActiveSupport.on_load(:active_record) do self.configurations = app.config.database_configuration establish_connection end end # Expose database runtime to controller for logging. initializer "active_record.log_runtime" do |app| require "active_record/railties/controller_runtime" ActiveSupport.on_load(:action_controller) do include ActiveRecord::Railties::ControllerRuntime end end initializer "active_record.set_reloader_hooks" do |app| hook = lambda do ActiveRecord::Base.clear_reloadable_connections! ActiveRecord::Base.clear_cache! end if app.config.reload_classes_only_on_change ActiveSupport.on_load(:active_record) do ActionDispatch::Reloader.to_prepare(&hook) end else ActiveSupport.on_load(:active_record) do ActionDispatch::Reloader.to_cleanup(&hook) end end end initializer "active_record.add_watchable_files" do |app| config.watchable_files.concat ["#{app.root}/db/schema.rb", "#{app.root}/db/structure.sql"] end config.after_initialize do |app| ActiveSupport.on_load(:active_record) do ActiveRecord::Base.instantiate_observers ActionDispatch::Reloader.to_prepare do ActiveRecord::Base.instantiate_observers end end ActiveSupport.on_load(:active_record) do if app.config.use_schema_cache_dump filename = File.join(app.config.paths["db"].first, "schema_cache.dump") if File.file?(filename) cache = Marshal.load(open(filename, 'rb') { |f| f.read }) if cache.version == ActiveRecord::Migrator.current_version ActiveRecord::Base.connection.schema_cache = cache else warn "schema_cache.dump is expired. Current version is #{ActiveRecord::Migrator.current_version}, but cache version is #{cache.version}." end end end end end end end