Module: Restforce::Concerns::Streaming

Included in:
Data::Client
Defined in:
lib/restforce/concerns/streaming.rb

Defined Under Namespace

Classes: ReplayExtension

Instance Method Summary collapse

Instance Method Details

#faye ⇒ Object

Public: Faye client to use for subscribing to PushTopics



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# File 'lib/restforce/concerns/streaming.rb', line 33

def faye
  unless options[:instance_url]
    raise 'Instance URL missing. Call .authenticate! first.'
  end

  url = "#{options[:instance_url]}/cometd/#{options[:api_version]}"

  @faye ||= Faye::Client.new(url).tap do |client|
    client.set_header 'Authorization', "OAuth #{options[:oauth_token]}"

    client.bind 'transport:down' do
      Restforce.log "[COMETD DOWN]"
      client.set_header 'Authorization', "OAuth #{authenticate!.access_token}"
    end

    client.bind 'transport:up' do
      Restforce.log "[COMETD UP]"
    end

    client.add_extension ReplayExtension.new(replay_handlers)
  end
end

#legacy_subscribe(topics, options = {}, &block) ⇒ Object Also known as: subscribe

Public: Subscribe to a PushTopic

topics - The name of the PushTopic channel(s) to subscribe to. block - A block to run when a new message is received.

Returns a Faye::Subscription



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# File 'lib/restforce/concerns/streaming.rb', line 12

def legacy_subscribe(topics, options = {}, &block)
  topics = Array(topics).map { |channel| "/topic/#{channel}" }
  subscription(topics, options, &block)
end

#replay_handlers ⇒ Object 



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# File 'lib/restforce/concerns/streaming.rb', line 56

def replay_handlers
  @_replay_handlers ||= {}
end

#subscription(channels, options = {}, &block) ⇒ Object

Public: Subscribe to one or more Streaming API channels

channels - The name of the Streaming API (cometD) channel(s) to subscribe to. block - A block to run when a new message is received.

Returns a Faye::Subscription



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# File 'lib/restforce/concerns/streaming.rb', line 24

def subscription(channels, options = {}, &block)
  one_or_more_channels = Array(channels)
  one_or_more_channels.each do |channel|
    replay_handlers[channel] = options[:replay]
  end
  faye.subscribe(one_or_more_channels, &block)
end