Class: Userstream

Inherits:
Object
  • Object
show all
Includes:
Connect
Defined in:
lib/userstream.rb,
lib/userstream/user.rb,
lib/userstream/event.rb,
lib/userstream/tweet.rb,
lib/userstream/friend.rb,
lib/userstream/connect.rb,
lib/userstream/event/delete.rb,
lib/userstream/event/follow.rb,
lib/userstream/event/retweet.rb,
lib/userstream/event/favorite.rb,
lib/userstream/event/unfavorite.rb,
lib/userstream/event/direct_message.rb

Defined Under Namespace

Modules: Connect Classes: Delete, DirectMessage, Event, Favorite, Follow, Friend, Handlers, Retweet, Tweet, Unfavorite, User

Constant Summary collapse

EventHandlerTypes = 
[:friend, :tweet, :follow, :unfollow, :favorite, :unfavorite, :retweet, :delete, :direct_message, :block, :unblock, :list_member_removed, :list_member_added, :list_user_subscribed, :list_user_unsubscribed]
ConnectionHandlerTypes = 
[:disconnect, :connect]
HandlerTypes = 
ConnectionHandlerTypes + EventHandlerTypes

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Connect

#get_connection

Constructor Details

#initialize(options = {}) ⇒ Userstream

Returns a new instance of Userstream.



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# File 'lib/userstream.rb', line 40

def initialize(options = {})
  @consumer_token = options[:consumer_token]
  @consumer_secret = options[:consumer_secret]
  @fill_in = options[:fill_in]
  @connect_url = "https://userstream.twitter.com/2/user.json"
  @handlers = Handlers.new(*HandlerTypes.map{|h| []})
  @on_connect_called = {}
  @users = []
end

Instance Attribute Details

#consumer_secret ⇒ Object (readonly)

Returns the value of attribute consumer_secret.



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# File 'lib/userstream.rb', line 38

def consumer_secret
  @consumer_secret
end

#consumer_token ⇒ Object (readonly)

Returns the value of attribute consumer_token.



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# File 'lib/userstream.rb', line 38

def consumer_token
  @consumer_token
end

#fill_in ⇒ Object (readonly)

Returns the value of attribute fill_in.



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# File 'lib/userstream.rb', line 38

def fill_in
  @fill_in
end

#handlers ⇒ Object (readonly)

Returns the value of attribute handlers.



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# File 'lib/userstream.rb', line 30

def handlers
  @handlers
end

Instance Method Details

#connect(*users) ⇒ Object 



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# File 'lib/userstream.rb', line 100

def connect(*users)
  unless EM.reactor_running?
    EM.run do
       connect(*users) 
    end
  else
    @users.concat(users)
    @user_adder ||= EM.add_periodic_timer(1) {
      users_to_connect = @users.slice!(0, 10)
      if users_to_connect && users_to_connect.any?
        users_to_connect.each do |user|
          connect_single(user)
        end
      end
    }
  end
end

#connect_single(user) ⇒ Object 



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# File 'lib/userstream.rb', line 118

def connect_single(user)
  parser = Yajl::Parser.new
  parser.on_parse_complete = Proc.new{|parsed_data|
    if parsed_data['direct_message']
      dispatch_direct_message(user, parsed_data)
    elsif parsed_data['friends']
      dispatch_friend(user, parsed_data)
    elsif parsed_data['text']
      dispatch_tweet(user, parsed_data)
    elsif parsed_data['event']
      method_sym = "dispatch_#{parsed_data['event']}".to_sym
      if respond_to?(method_sym)
        send("dispatch_#{parsed_data['event']}".to_sym, user, parsed_data)
      else
        puts "no handler for #{parsed_data['event']}"
      end
    elsif parsed_data['delete']
      dispatch_delete(user, parsed_data)
    else
      puts "i didn't know what to do with this!"
      pp parsed_data
    end
  }
  
  http = get_connection(user, @connect_url, :get)
  http.errback { |e, err|
    dispatch_disconnect(user)
  }
  http.stream { |chunk|
    dispatch_connect(user)
    begin
      parser << chunk
    rescue Yajl::ParseError
      p $!
      puts "bad chunk: #{chunk.inspect}"
    end
  }
end

#dispatch_connect(user) ⇒ Object 



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# File 'lib/userstream.rb', line 94

def dispatch_connect(user)
  return if @on_connect_called[user.name]
  @handlers.connect.each{|h| h.call(user)}
  @on_connect_called[user.name] = true
end

#dispatch_disconnect(user) ⇒ Object 



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# File 'lib/userstream.rb', line 89

def dispatch_disconnect(user)
  return if @handlers.disconnect.empty?
  @handlers.disconnect.each{|h| h.call(user)}
end

#dispatch_friend(user, data) ⇒ Object 



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# File 'lib/userstream.rb', line 72

def dispatch_friend(user, data)
  unless @handlers.friend.empty?
    data['friends'].each_slice(100) do |friend_ids|
      parser = Yajl::Parser.new
      parser.on_parse_complete = proc { |friends|
        friends.each do |friend|
          @handlers.friend.each{|h| h.call(friend)}
        end
      }
      friend_http = get_connection(user, "http://api.twitter.com/1/users/lookup.json", :post, :body => {'user_id' => friend_ids.join(',')})
      friend_http.stream { |chunk|
        parser << chunk
      }
    end
  end
end