Class: Rabbit::Twitter

Inherits:
Object
  • Object
show all
Defined in:
lib/rabbit/twitter.rb

Defined Under Namespace

Modules: GLibAdapter Classes: GLibConnection

Constant Summary collapse

CONSUMER_KEY = 
"wT9WSC0afRw94fxUw0iIKw"
CONSUMER_SECRET = 
"mwY35vfQfmWde9lZbyNNB15QzCq3k2VwGj3X1IAkQ8"

Instance Method Summary collapse

Constructor Details

#initialize(logger) ⇒ Twitter

Returns a new instance of Twitter.



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# File 'lib/rabbit/twitter.rb', line 9

def initialize(logger)
  @logger = logger
  @oauth_parameters = nil
  @config_file_path = Pathname.new("~/.rabbit/twitter-oauth.yaml")
  @config_file_path = @config_file_path.expand_path
  @listeners = []
  @connection = nil
end

Instance Method Details

#close ⇒ Object 



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# File 'lib/rabbit/twitter.rb', line 42

def close
  return if @connection.nil?
  @connection.close
  @connection = nil
end

#register_listener(&block) ⇒ Object 



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# File 'lib/rabbit/twitter.rb', line 18

def register_listener(&block)
  @listeners << block
end

#setup ⇒ Object 



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# File 'lib/rabbit/twitter.rb', line 22

def setup
  return unless @oauth_parameters.nil?
  require 'yaml'
  begin
    require 'twitter_oauth'
  rescue LoadError
    @logger.warn(_("twitter_oauth gem is missing. " \
                   "Install it by 'gem install twitter_oauth'."))
    return
  end
  setup_access_token unless @config_file_path.exist?
  oauth_access_parameters = YAML.load(@config_file_path.read)
  @oauth_parameters = {
    :consumer_key => CONSUMER_KEY,
    :consumer_secret => CONSUMER_SECRET,
    :access_key => oauth_access_parameters[:access_token],
    :access_secret => oauth_access_parameters[:access_secret],
  }
end

#start(*filters, &block) ⇒ Object 



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# File 'lib/rabbit/twitter.rb', line 48

def start(*filters, &block)
  register_listener(&block) if block_given?
  setup if @oauth_parameters.nil?
  return if @oauth_parameters.nil?
  require 'socket'
  begin
    require 'twitter/json_stream'
  rescue LoadError
    @logger.warn(_("twitter-stream gem is missing. " \
                   "Install it by 'gem install twitter-stream'."))
    return
  end

  stream_options = {
    :oauth => @oauth_parameters,
    :user_agent => "Rabitter #{Rabbit::VERSION}",
    :host => "stream.twitter.com",
    :path => "/1/statuses/filter.json",
    :method => "POST",
    :filters => filters,
  }
  @stream = ::Twitter::JSONStream.new(:signature, stream_options)
  @connection = GLibConnection.new(@logger, @stream, stream_options)

  @stream.each_item do |item|
    status = JSON.parse(item)
    @listeners.each do |listener|
      listener.call(status)
    end
  end

  @stream.on_error do |message|
    @logger.error("[twitter] #{message}")
  end

  @stream.on_reconnect do |timeout, retries|
    @logger.info("[twitter][reconnect] #{timeout} seconds (#{retries})")
  end

  @stream.on_max_reconnects do |timeout, retries|
    @logger.info("[twitter][max-reconnects] " +
                 "Failed after #{retries} failed reconnects")
  end

  @connection.connect
end