Module: QueuePatch

Included in:
Sneakers::Queue
Defined in:
lib/strum/patch/sneakers/queue_patch.rb

Instance Method Summary collapse

Instance Method Details

#actions_subscribes(actions, **custom_headers) ⇒ Object 



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# File 'lib/strum/patch/sneakers/queue_patch.rb', line 48

def actions_subscribes(actions, **custom_headers)
  actions.each do |_action|
    exchange, action, resource = Strum::Esb::Functions.action_explain(_action)
    raise StandardError "action binding format must be `exchange:action/resource`" unless resource && action

    @opts[:header_bindings] << {
      exchange: exchange,
      arguments: {
        action: action,
        resource: resource
      }.merge(custom_headers)
    }
  end
end

#events_subscribes(events, **custom_headers) ⇒ Object 



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# File 'lib/strum/patch/sneakers/queue_patch.rb', line 63

def events_subscribes(events, **custom_headers)
  events.each do |_event|
    exchange, resource, event, state = Strum::Esb::Functions.event_explain(_event)
    raise StandardError "binding format must be `exchange:resource/event{/state}`" unless resource && event

    @opts[:header_bindings] << {
      exchange: exchange,
      arguments: {
        resource: resource,
        event: event,
        state: state
      }.merge(custom_headers)
    }
  end
end

#header_subscribe(worker) ⇒ Object 



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# File 'lib/strum/patch/sneakers/queue_patch.rb', line 108

def header_subscribe(worker)
  @bunny = @opts[:connection]
  @bunny ||= create_bunny_connection
  @bunny.start

  @channel = @bunny.create_channel
  @channel.prefetch(@opts[:prefetch])

  handler_klass = worker.opts[:handler] || Sneakers::CONFIG.fetch(:handler)
  # Configure options if needed
  if handler_klass.respond_to?(:configure_queue)
    @opts[:queue_options] = handler_klass.configure_queue(@name, @opts[:queue_options])
  end

  queue = @channel.queue(@name, @opts[:queue_options])

  header_bindings = [*@opts[:header_bindings]]
  header_bindings.each do |header_binding|
    exchange_name = header_binding[:exchange] || @opts[:exchange]
    exchange = @channel.exchange(exchange_name, @opts[:exchange_options].merge(type: :headers))
    queue.bind(exchange,
               arguments: {}.tap do |args|
                            args["x-match"] = :all
                          end
                 .merge(header_binding[:arguments]))
  end

  handler = handler_klass.new(@channel, queue, worker.opts)

  @consumer = queue.subscribe(block: false, manual_ack: @opts[:ack]) do |delivery_info, metadata, msg|
    worker.do_work(delivery_info, metadata, msg, handler)
  end
  nil
end

#infos_subscribes(infos, **custom_headers) ⇒ Object 



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# File 'lib/strum/patch/sneakers/queue_patch.rb', line 79

def infos_subscribes(infos, **custom_headers)
  infos.each do |_info|
    exchange, resource = Strum::Esb::Functions.info_explain(_info)
    raise StandardError "info binding format must be a `exchange:resource`" unless resource

    @opts[:header_bindings] << {
      exchange: exchange,
      arguments: {
        info: resource
      }.merge(custom_headers)
    }
  end
end

#notices_subscribes(notices, **custom_headers) ⇒ Object 



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# File 'lib/strum/patch/sneakers/queue_patch.rb', line 93

def notices_subscribes(notices, **custom_headers)
  notices.each do |_notice|
    exchange, resource, notice = Strum::Esb::Functions.notice_explain(_notice)
    raise StandardError "notice binding format must be a `exchange:resource`" unless resource

    @opts[:header_bindings] << {
      exchange: exchange,
      arguments: {
        notice: notice,
        resource: resource
      }.merge(custom_headers)
    }
  end
end

#pipeline_subscribes(pipelines) ⇒ Object 



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# File 'lib/strum/patch/sneakers/queue_patch.rb', line 39

def pipeline_subscribes(pipelines)
  return if pipelines.nil?

  actions_subscribes([*(pipelines[:actions] || pipelines[:action])], pipeline: pipelines[:name])
  events_subscribes([*(pipelines[:events] || pipelines[:event])], pipeline: pipelines[:name])
  infos_subscribes([*(pipelines[:infos] || pipelines[:info])], pipeline: pipelines[:name])
  notices_subscribes([*(pipelines[:notices] || pipelines[:notice])], pipeline: pipelines[:name])
end

#strum_subscribe(worker) ⇒ Object

bindings: {

actions: "get/account",
events: %w[account/update account/delete],
infos: "account"
pipeline: {
  name: "pipeline-name",
  actions: "get/account",
  events: %w[account/update account/delete],
  infos: "account"
}

}



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# File 'lib/strum/patch/sneakers/queue_patch.rb', line 29

def strum_subscribe(worker)
  @opts[:header_bindings] = []
  actions_subscribes([*(@opts[:bindings][:actions] || @opts[:bindings][:action])])
  events_subscribes([*(@opts[:bindings][:events] || @opts[:bindings][:event])])
  infos_subscribes([*(@opts[:bindings][:infos] || @opts[:bindings][:info])])
  notices_subscribes([*(@opts[:bindings][:notices] || @opts[:bindings][:notice])])
  pipeline_subscribes(@opts[:bindings][:pipeline] || @opts[:bindings][:pipelines])
  header_subscribe(worker)
end

#subscribe(worker) ⇒ Object 



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# File 'lib/strum/patch/sneakers/queue_patch.rb', line 7

def subscribe(worker)
  if @opts[:bindings]
    strum_subscribe(worker)
  elsif @opts[:header_bindings]
    header_subscribe(worker)
  else
    super(worker)
  end
end