Class: CableReady::ChannelGenerator

Inherits:
Rails::Generators::NamedBase
  • Object
show all
Defined in:
lib/generators/cable_ready/channel_generator.rb

Instance Method Summary collapse

Instance Method Details

#check_options ⇒ Object 



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# File 'lib/generators/cable_ready/channel_generator.rb', line 17

def check_options
  if options.key?(:stream_from) && options.key?(:stream_for)
    puts "Can't specify --stream-from and --stream-for at the same time"
    exit
  end
end

#create_channel ⇒ Object 



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# File 'lib/generators/cable_ready/channel_generator.rb', line 24

def create_channel
  generate "channel", file_name, "--skip"
end

#destroy_not_supported ⇒ Object 



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# File 'lib/generators/cable_ready/channel_generator.rb', line 10

def destroy_not_supported
  if behavior == :revoke
    puts "Sorry, we don't support destroying generated channels.\nDelete the Action Cable channel class, as well as any corresponding JavaScript classes."
    exit
  end
end

#enhance_channels ⇒ Object 



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# File 'lib/generators/cable_ready/channel_generator.rb', line 28

def enhance_channels
  @entrypoint = [
    "app/javascript",
    "app/frontend"
  ].find { |path| File.exist?(Rails.root.join(path)) } || "app/javascript"
  puts "Where do JavaScript files live in your app? Our best guess is: \e[1m#{@entrypoint}\e[22m 🤔"
  puts "Press enter to accept this, or type a different path."
  print "> "
  input = Rails.env.test? ? "tmp/app/javascript" : $stdin.gets.chomp
  @entrypoint = input unless input.blank?
  @js_channel = "#{@entrypoint}/channels/#{file_name}_channel.js"

  if using_broadcast_to?
    if using_stimulus?
      template("#{@entrypoint}/controllers/%file_name%_controller.js")
      Rails.root.join(@js_channel).delete
    else
      gsub_file "app/channels/#{file_name}_channel.rb", /# stream_from.*\n/, "stream_for #{resource}.find(params[:id])\n", verbose: false
      gsub_file @js_channel, /"#{resource}Channel"/, verbose: false do
        <<-JS

{
  channel: "#{resource}Channel",
  id: 1
}
        JS
      end
      doctor_javascript_channel_class
      puts "\nDon't forget to update the id in the channel subscription: #{@js_channel}\nIt's currently set to 1; you'll want to change that to a dynamic value based on something in your DOM."
    end
  else
    gsub_file "app/channels/#{file_name}_channel.rb", /# stream_from.*\n/, "stream_from \"#{identifier}\"\n", verbose: false
    doctor_javascript_channel_class
  end
end