module Announce::Subscriber

Public Class Methods

included(base) click to toggle source
# File lib/announce/subscriber.rb, line 4
def self.included(base)
  base.class_eval do
    attr_accessor :subject, :action, :message
  end

  base.extend(ClassMethods)
end

Public Instance Methods

delegate_event(event) click to toggle source

For use in adapters to delegate to method named receive_subject_action

# File lib/announce/subscriber.rb, line 23
def delegate_event(event)
  @message = event.deep_symbolize_keys
  @subject = message[:subject]
  @action = message[:action]

  if [message, subject, action].any? { |a| a.nil? }
    raise "Message, subject, and action are not all specified for '#{event.inspect}'"
  end

  if respond_to?(delegate_method)
    public_send(delegate_method, message[:body])
  else
    raise "`#{self.class.name}` is subscribed, but doesn't implement `#{delegate_method}` for '#{event.inspect}'"
  end
end
delegate_method(message = @message) click to toggle source
# File lib/announce/subscriber.rb, line 39
def delegate_method(message = @message)
  ['receive', message[:subject], message[:action]].join('_')
end
perform(*args) click to toggle source
# File lib/announce/subscriber.rb, line 18
def perform(*args)
  delegate_event(*args)
end