Module: Pusherable::ClassMethods

Defined in:
lib/pusherable.rb

Instance Method Summary collapse

Instance Method Details

#pusherable(channel = "test_channel") ⇒ Object



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# File 'lib/pusherable.rb', line 13

def pusherable(channel="test_channel")
  raise "Please `gem install pusher` and configure it to run in your app!" if Pusher.app_id.blank? || Pusher.key.blank? || Pusher.secret.blank?

  class_attribute :pusherable_channel_obj
  self.pusherable_channel_obj = channel

  class << self
    def pusherable_triggers?
      Thread.current.thread_variable_get("#{self.name.underscore}_pusherable_triggers_active") != false
    end

    def activate_pusherable_triggers
      Thread.current.thread_variable_set "#{self.name.underscore}_pusherable_triggers_active", true
    end

    def deactivate_pusherable_triggers
      Thread.current.thread_variable_set "#{self.name.underscore}_pusherable_triggers_active", false
    end

    def pusherable?
      true
    end

    def pusherable_channel(obj=nil)
      if pusherable_channel_obj.respond_to? :call
        if pusherable_channel_obj.arity > 0
          pusherable_channel_obj.call(obj)
        else
          pusherable_channel_obj.call
        end
      else
        pusherable_channel_obj
      end
    end
  end

  class_eval do
    if defined?(Mongoid) && defined?(Mongoid::Document) && include?(Mongoid::Document)
      after_create :pusherable_trigger_create, if: :pusherable_triggers?
      after_update :pusherable_trigger_update, if: :pusherable_triggers?
      before_destroy :pusherable_trigger_destroy, if: :pusherable_triggers?
    else
      after_commit :pusherable_trigger_create, on: :create, if: :pusherable_triggers?

      if defined?(Paranoia) && include?(Paranoia)
        after_update :pusherable_trigger_update, if: :pusherable_triggers?
        before_destroy :pusherable_trigger_destroy, if: :pusherable_triggers?
      else
        after_commit :pusherable_trigger_update, on: :update, if: :pusherable_triggers?
        after_commit :pusherable_trigger_destroy, on: :destroy, if: :pusherable_triggers?
      end
    end

    def pusherable_channel
      self.class.pusherable_channel(self)
    end

    [:pusherable_triggers?, :activate_pusherable_triggers, :deactivate_pusherable_triggers].each do |method|
      define_method method do
        self.class.send method
      end
    end

    private

    def pusherable_class_name
      self.class.name.underscore
    end

    def pusherable_trigger_create
      Pusher.trigger_async(pusherable_channel, "#{pusherable_class_name}.create", to_json)
    end

    def pusherable_trigger_update
      Pusher.trigger_async(pusherable_channel, "#{pusherable_class_name}.update", to_json)
    end

    def pusherable_trigger_destroy
      Pusher.trigger_async(pusherable_channel, "#{pusherable_class_name}.destroy", to_json)
    end
  end
end

#pusherable?Boolean

Returns:

  • (Boolean)


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# File 'lib/pusherable.rb', line 9

def pusherable?
  false
end