Class: TwitterToCsv::TwitterWatcher

Inherits:
Object
  • Object
show all
Defined in:
lib/twitter_to_csv/twitter_watcher.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ TwitterWatcher

Returns a new instance of TwitterWatcher.



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# File 'lib/twitter_to_csv/twitter_watcher.rb', line 7

def initialize(options)
  @api_key = options[:api_key]
  @api_secret = options[:api_secret]
  @access_token = options[:access_token]
  @access_token_secret = options[:access_token_secret]
  @filter = options[:filter]
  @fetch_errors = 0
end

Instance Attribute Details

#access_token ⇒ Object

Returns the value of attribute access_token.



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# File 'lib/twitter_to_csv/twitter_watcher.rb', line 5

def access_token
  @access_token
end

#access_token_secret ⇒ Object

Returns the value of attribute access_token_secret.



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# File 'lib/twitter_to_csv/twitter_watcher.rb', line 5

def access_token_secret
  @access_token_secret
end

#api_key ⇒ Object

Returns the value of attribute api_key.



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# File 'lib/twitter_to_csv/twitter_watcher.rb', line 5

def api_key
  @api_key
end

#api_secret ⇒ Object

Returns the value of attribute api_secret.



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# File 'lib/twitter_to_csv/twitter_watcher.rb', line 5

def api_secret
  @api_secret
end

#fetch_errors ⇒ Object

Returns the value of attribute fetch_errors.



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# File 'lib/twitter_to_csv/twitter_watcher.rb', line 5

def fetch_errors
  @fetch_errors
end

#filter ⇒ Object

Returns the value of attribute filter.



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# File 'lib/twitter_to_csv/twitter_watcher.rb', line 5

def filter
  @filter
end

Instance Method Details

#handle_status(status, block) ⇒ Object 



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# File 'lib/twitter_to_csv/twitter_watcher.rb', line 59

def handle_status(status, block)
  return unless status
  return if status.has_key?('delete')
  return unless status['text']
  status['text'] = status['text'].gsub(/&lt;/, "<").gsub(/&gt;/, ">").gsub(/[\t\n\r]/, '  ')
  block.call(status)
end

#progress(str) ⇒ Object 



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# File 'lib/twitter_to_csv/twitter_watcher.rb', line 16

def progress(str)
  STDERR.print "#{str}..."
  STDERR.flush
  yield
  STDERR.puts "done."
end

#run(&block) ⇒ Object 



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# File 'lib/twitter_to_csv/twitter_watcher.rb', line 23

def run(&block)
  while true
    EventMachine::run do
      stream = Twitter::JSONStream.connect(
        :path    => "/1/statuses/#{(filter && filter.length > 0) ? 'filter' : 'sample'}.json#{"?track=#{filter.map {|f| CGI::escape(f) }.join(",")}" if filter && filter.length > 0}",
        :ssl     => true,
        :oauth   => {
          :consumer_key    => api_key,
          :consumer_secret => api_secret,
          :access_key      => access_token,
          :access_secret   => access_token_secret
        }
      )

      stream.each_item do |item|
        handle_status JSON.parse(item), block
      end

      stream.on_error do |message|
        STDERR.puts " --> Twitter error: #{message} <--"
      end

      stream.on_no_data do |message|
        STDERR.puts " --> Got no data for awhile; trying to reconnect."
        EventMachine::stop_event_loop
      end

      stream.on_max_reconnects do |timeout, retries|
        STDERR.puts " --> Oops, tried too many times! <--"
        EventMachine::stop_event_loop
      end
    end
    puts " --> Reconnecting..."
  end
end