diff options
Diffstat (limited to 'actioncable/lib/rails')
7 files changed, 114 insertions, 0 deletions
diff --git a/actioncable/lib/rails/generators/channel/USAGE b/actioncable/lib/rails/generators/channel/USAGE new file mode 100644 index 0000000000..6249553c22 --- /dev/null +++ b/actioncable/lib/rails/generators/channel/USAGE @@ -0,0 +1,14 @@ +Description: +============ + Stubs out a new cable channel for the server (in Ruby) and client (in CoffeeScript). + Pass the channel name, either CamelCased or under_scored, and an optional list of channel actions as arguments. + + Note: Turn on the cable connection in app/assets/javascript/cable.js after generating any channels. + +Example: +======== + rails generate channel Chat speak + + creates a Chat channel class and CoffeeScript asset: + Channel: app/channels/chat_channel.rb + Assets: app/assets/javascript/channels/chat.coffee diff --git a/actioncable/lib/rails/generators/channel/channel_generator.rb b/actioncable/lib/rails/generators/channel/channel_generator.rb new file mode 100644 index 0000000000..05fd21a954 --- /dev/null +++ b/actioncable/lib/rails/generators/channel/channel_generator.rb @@ -0,0 +1,46 @@ +module Rails + module Generators + class ChannelGenerator < NamedBase + source_root File.expand_path("../templates", __FILE__) + + argument :actions, type: :array, default: [], banner: "method method" + + class_option :assets, type: :boolean + + check_class_collision suffix: "Channel" + + def create_channel_file + template "channel.rb", File.join('app/channels', class_path, "#{file_name}_channel.rb") + + if options[:assets] + if self.behavior == :invoke + template "assets/cable.js", "app/assets/javascripts/cable.js" + end + template "assets/channel.coffee", File.join('app/assets/javascripts/channels', class_path, "#{file_name}.coffee") + end + + generate_application_cable_files + end + + protected + def file_name + @_file_name ||= super.gsub(/_channel/i, '') + end + + # FIXME: Change these files to symlinks once RubyGems 2.5.0 is required. + def generate_application_cable_files + return if self.behavior != :invoke + + files = [ + 'application_cable/channel.rb', + 'application_cable/connection.rb' + ] + + files.each do |name| + path = File.join('app/channels/', name) + template(name, path) if !File.exist?(path) + end + end + end + end +end diff --git a/actioncable/lib/rails/generators/channel/templates/application_cable/channel.rb b/actioncable/lib/rails/generators/channel/templates/application_cable/channel.rb new file mode 100644 index 0000000000..d56fa30f4d --- /dev/null +++ b/actioncable/lib/rails/generators/channel/templates/application_cable/channel.rb @@ -0,0 +1,5 @@ +# Be sure to restart your server when you modify this file. Action Cable runs in a loop that does not support auto reloading. +module ApplicationCable + class Channel < ActionCable::Channel::Base + end +end diff --git a/actioncable/lib/rails/generators/channel/templates/application_cable/connection.rb b/actioncable/lib/rails/generators/channel/templates/application_cable/connection.rb new file mode 100644 index 0000000000..b4f41389ad --- /dev/null +++ b/actioncable/lib/rails/generators/channel/templates/application_cable/connection.rb @@ -0,0 +1,5 @@ +# Be sure to restart your server when you modify this file. Action Cable runs in a loop that does not support auto reloading. +module ApplicationCable + class Connection < ActionCable::Connection::Base + end +end diff --git a/actioncable/lib/rails/generators/channel/templates/assets/cable.js b/actioncable/lib/rails/generators/channel/templates/assets/cable.js new file mode 100644 index 0000000000..71ee1e66de --- /dev/null +++ b/actioncable/lib/rails/generators/channel/templates/assets/cable.js @@ -0,0 +1,13 @@ +// Action Cable provides the framework to deal with WebSockets in Rails. +// You can generate new channels where WebSocket features live using the rails generate channel command. +// +//= require action_cable +//= require_self +//= require_tree ./channels + +(function() { + this.App || (this.App = {}); + + App.cable = ActionCable.createConsumer(); + +}).call(this); diff --git a/actioncable/lib/rails/generators/channel/templates/assets/channel.coffee b/actioncable/lib/rails/generators/channel/templates/assets/channel.coffee new file mode 100644 index 0000000000..5467811aba --- /dev/null +++ b/actioncable/lib/rails/generators/channel/templates/assets/channel.coffee @@ -0,0 +1,14 @@ +App.<%= class_name.underscore %> = App.cable.subscriptions.create "<%= class_name %>Channel", + connected: -> + # Called when the subscription is ready for use on the server + + disconnected: -> + # Called when the subscription has been terminated by the server + + received: (data) -> + # Called when there's incoming data on the websocket for this channel +<% actions.each do |action| -%> + + <%= action %>: -> + @perform '<%= action %>' +<% end -%> diff --git a/actioncable/lib/rails/generators/channel/templates/channel.rb b/actioncable/lib/rails/generators/channel/templates/channel.rb new file mode 100644 index 0000000000..7bff3341c1 --- /dev/null +++ b/actioncable/lib/rails/generators/channel/templates/channel.rb @@ -0,0 +1,17 @@ +# Be sure to restart your server when you modify this file. Action Cable runs in a loop that does not support auto reloading. +<% module_namespacing do -%> +class <%= class_name %>Channel < ApplicationCable::Channel + def subscribed + # stream_from "some_channel" + end + + def unsubscribed + # Any cleanup needed when channel is unsubscribed + end +<% actions.each do |action| -%> + + def <%= action %> + end +<% end -%> +end +<% end -%> |