Class: Qswarm::Connections::Twitter

Inherits:
Qswarm::Connection show all
Includes:
DSL
Defined in:
lib/qswarm/connections/twitter.rb

Instance Attribute Summary

Attributes inherited from Qswarm::Connection

#format

Instance Method Summary collapse

Methods included from DSL

#dsl_call, #dsl_load, included

Constructor Details

#initialize(agent, name, args, &block) ⇒ Twitter

Returns a new instance of Twitter.



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# File 'lib/qswarm/connections/twitter.rb', line 11

def initialize(agent, name, args, &block)
  TweetStream.configure do |config|
    config.consumer_key = args[:consumer_key]
    config.consumer_secret = args[:consumer_secret]
    config.oauth_token = args[:oauth_token]
    config.oauth_token_secret = args[:oauth_token_secret]
    config.auth_method = :oauth
  end

  @rest_client = ::Twitter::Client.new(
    :consumer_key => args[:consumer_key],
    :consumer_secret => args[:consumer_secret],
    :oauth_token => args[:oauth_token],
    :oauth_token_secret => args[:oauth_token_secret]
  )

  @track = args[:track]
  @follow = args[:follow]
  @list = args[:list]

  super
end

Instance Method Details

#emit(payload) ⇒ Object 



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# File 'lib/qswarm/connections/twitter.rb', line 34

def emit(payload)
  @agent.emit(@name, :payload => OpenStruct.new(payload))
end

#run ⇒ Object 



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# File 'lib/qswarm/connections/twitter.rb', line 46

def run
  begin
    if @track
      Qswarm.logger.info "[#{@agent.name.inspect} #{@name.inspect}] Tracking keywords: " + @track.to_s
      TweetStream::Client.new.track( @track.values.flatten.reject { |k| /^-/.match(k) } ) do |status|
        @track.each do |group, list|
          matches = []
          list.each do |keyword|
            # Text doesn't include any words in the phrase prefixed with -
            if keyword.split(' ').select { |k| /^-/.match(k) }.none? { |word| status.text.downcase.include? word[1..-1].downcase }
              # Text contains all of the words in the phrase
              if keyword.split(' ').reject { |k| /^-/.match(k) }.all? { |word| status.text.downcase.include? word.downcase }
                matches << keyword
              end
            end
          end

          if !matches.empty?
            Qswarm.logger.info "[#{@agent.name.inspect} #{@name.inspect}] Sending :track/#{group.inspect} #{status.user.screen_name} :: #{status.text} :: #{matches.to_s}"
            emit(:raw => status.attrs, :headers => { :type => :track, :group => group, :matches => matches })
          end
        end
#            end.on_limit do |skip_count|
#              Qswarm.logger.error "[#{@agent.name.inspect} #{@name.inspect}] There were #{skip_count} tweets missed because of rate limiting."
      end.on_error do |message|
        Qswarm.logger.error "[#{@agent.name.inspect} #{@name.inspect}] #{message}"
      end
    end

    if @follow
      Qswarm.logger.info "[#{@agent.name.inspect} #{@name.inspect}] Tracking Users: " + @follow.to_s
      TweetStream::Client.new.follow( *@follow.values.flatten ) do |status|
        @follow.each do |group, users|
          if users.include?(status.user.id)
            Qswarm.logger.info "[#{@agent.name.inspect} #{@name.inspect}] Sending :follow/#{group.inspect} #{status.user.screen_name} :: #{status.text}"
            emit(:raw => status.attrs, :headers => { :type => :follow, :group => group, :user_id => status.user.id })
          end
        end
#            end.on_limit do |skip_count|
#              Qswarm.logger.error "[#{@agent.name.inspect} #{@name.inspect}] There were #{skip_count} tweets missed because of rate limiting."
      end.on_error do |message|
        Qswarm.logger.error "[#{@agent.name.inspect} #{@name.inspect}] #{message}"
      end
    end

  rescue TweetStream::ReconnectError
    Qswarm.logger.info "[#{@agent.name.inspect} #{@name.inspect}] Hit max reconnects, restarting tweetstream in 60 seconds ..."
    EM.timer(60, run)
  end

  if @list
    timer = 30
    since_id = {}

    Qswarm.logger.info "[#{@agent.name.inspect} #{@name.inspect}] Tracking List: " + @list.to_s + " every #{timer} seconds"

    @list.each do |group, lists|
      lists.each do |user, slug|
        @rest_client.list_timeline(user, slug).each do |status|
          since_id["#{user}/#{slug}"] = status.attrs[:id] and break
        end
      end

      EventMachine::PeriodicTimer.new(timer) do
        lists.each do |user, slug|
          begin
            @rest_client.list_timeline(user, slug, { :since_id => since_id["#{user}/#{slug}"] }).each do |status|
              Qswarm.logger.info "[#{@agent.name.inspect} #{@name.inspect}] Sending :list/#{slug.inspect} #{status.attrs[:user][:screen_name]} :: #{status.text}"
              emit(:raw => status.attrs, :headers => { :type => :list, :group => group, :user_id => user, :slug => slug })
              since_id["#{user}/#{slug}"] = status.attrs[:id]
            end
          rescue ::Twitter::Error::ClientError
            Qswarm.logger.info "[#{@agent.name.inspect} #{@name.inspect}] Twitter REST API client error"
          end
        end
      end
    end
  end

  dsl_call(&@on_connect) if @on_connect
end

#sink(metadata, payload) ⇒ Object 



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# File 'lib/qswarm/connections/twitter.rb', line 38

def sink(metadata, payload)
  Qswarm.logger.info ">>> #{payload}"
end

#status ⇒ Object 



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# File 'lib/qswarm/connections/twitter.rb', line 42

def status
  "Connected to tweetstream, tracking #{@track.to_s}, following #{@follow.to_s}"
end