Add ActionCable

.gitignore

@@ -8,6 +8,7 @@
 /cache/
 /config/*.deployed
 /config/aliases
+/config/cable.yml
 /config/config.tmp
 /config/crontab
 /config/database.yml

Gemfile

@@ -117,7 +117,6 @@ gem 'matrix', '~> 0.4.2'
 gem 'mini_magick', '~> 4.13.1'
 gem 'net-protocol', '~> 0.1.3'
 gem 'redcarpet', '~> 3.6.0'
-gem 'redis', '~> 4.8.1'
 gem 'rolify', '~> 6.0.1'
 gem 'ruby-msg', '~> 1.5.0', git: 'https://github.com/mysociety/ruby-msg.git', branch: 'ascii-encoding'
 gem 'rubyzip', '~> 2.3.2'

Gemfile.lock

@@ -649,7 +649,6 @@ DEPENDENCIES
   rails-i18n (~> 7.0.5)
   recaptcha (~> 5.17.0)
   redcarpet (~> 3.6.0)
-  redis (~> 4.8.1)
   rolify (~> 6.0.1)
   rspec-activemodel-mocks (~> 1.2.1)
   rspec-rails (~> 7.0.1)

app/channels/application_cable/channel.rb

@@ -0,0 +1,4 @@
+module ApplicationCable
+  class Channel < ActionCable::Channel::Base
+  end
+end

app/channels/application_cable/connection.rb

@@ -0,0 +1,4 @@
+module ApplicationCable
+  class Connection < ActionCable::Connection::Base
+  end
+end

app/javascript/channels/consumer.js

@@ -0,0 +1,2 @@
+import { createConsumer } from "@rails/actioncable"
+export default createConsumer()

app/javascript/channels/index.js

@@ -0,0 +1 @@
+// Import all the channels to be used by Action Cable

app/javascript/modern_application.js

@@ -1,5 +1,6 @@
 // Configure your import map in config/importmap.rb. Read more: https://github.com/rails/importmap-rails
 import "@hotwired/turbo-rails";
+import "channels";
 import "controllers";
 
 // Disable old jQuery UJS event handling, allowing Turbo to handle instead

config/application.rb

@@ -11,7 +11,7 @@
 # require "action_mailbox/engine"
 require "action_text/engine"
 require "action_view/railtie"
-# require "action_cable/engine"
+require "action_cable/engine"
 require "sprockets/railtie"
 # require "rails/test_unit/railtie"
 

config/cable.yml-example

@@ -0,0 +1,12 @@
+development:
+  adapter: redis
+  url: <%= ENV.fetch("REDIS_URL") { "redis://localhost:6379/1" } %>
+  channel_prefix: alaveteli_development
+
+test:
+  adapter: test
+
+production:
+  adapter: redis
+  url: <%= ENV.fetch("REDIS_URL") { "redis://localhost:6379/1" } %>
+  channel_prefix: alaveteli_production

config/general.yml-example

@@ -806,6 +806,7 @@ SHARED_FILES_PATH: ''
 #
 # ---
 SHARED_FILES:
+  - config/cable.yml
   - config/database.yml
   - config/general.yml
   - config/sidekiq.yml

config/importmap.rb

@@ -3,8 +3,10 @@
 pin "@hotwired/stimulus", to: "stimulus.min.js"
 pin "@hotwired/stimulus-loading", to: "stimulus-loading.js"
 pin "@hotwired/turbo-rails", to: "turbo.min.js"
+pin "@rails/actioncable", to: "actioncable.esm.js"
 pin "sortablejs" # @1.15.2
 
 pin "modern_application"
+pin_all_from "app/javascript/channels", under: "channels"
 pin_all_from "app/javascript/controllers", under: "controllers"
 pin_all_from "app/javascript/helpers", under: "helpers"

docker/bootstrap

@@ -29,6 +29,7 @@ fi
 success_msg 'done'
 
 notice_msg "Copying example files..."
+[ ! -f config/cable.yml ] && cp config/cable.yml-example config/cable.yml
 [ ! -f config/database.yml ] && cp config/database.yml-example config/database.yml
 [ ! -f config/sidekiq.yml ] && cp config/sidekiq.yml-example config/sidekiq.yml
 [ ! -f config/storage.yml ] && cp config/storage.yml-example config/storage.yml

script/install-as-user

@@ -184,6 +184,9 @@ do
     fi
 done
 
+# add cable.yml
+cp config/cable.yml-example config/cable.yml
+
 # add sidekiq.yml
 cp config/sidekiq.yml-example config/sidekiq.yml