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# -*- coding: utf-8 -*-
require "em-twitter"
require "yajl"
require "./settings"
require "./helper"
module Aclog
module Collector
class Stream
include Aclog::Collector::Helper
attr_reader :client
attr_accessor :logger
def initialize(logger, callback, hash)
@logger = logger
@user_id = hash["user_id"]
@account_id = hash["id"]
@callback = callback
ready_client(hash)
end
def ready_client(hash)
@client = EM::Twitter::Client.new(gopts(hash))
@client.on_error {|message|
log(:error, "Unknown Error", message) }
@client.on_enhance_your_calm {
log(:warn, "Enhance your calm") }
@client.on_no_data_received {
log(:warn, "No data received") }
@client.on_reconnect {|timeout, retries|
log(:warn, "Reconnected", retries) }
@client.on_max_reconnects {|timeout, retries|
@client.connection.stop
log(:warn, "Reached max reconnects", retries) }
@client.on_unauthorized {
log(:warn, "Unauthorized")
@client.connection.stop
@callback.call(type: "unauthorized", user_id: @user_id, id: @account_id) }
@client.on_service_unavailable {
# account deleted?
log(:warn, "Service Unavailable")
@client.connection.stop }
@client.each do |chunk|
begin
hash = Yajl::Parser.parse(chunk, :symbolize_keys => true)
rescue Yajl::ParseError
log(:warn, "Unexpected chunk", chunk)
next
end
if hash[:warning]
log(:info, "Stall warning", hash[:warning])
elsif hash[:delete]
if d = hash[:delete][:status]
send_delete(d[:id], d[:user_id])
end
elsif hash[:limit]
log(:warn, "UserStreams Limit", hash[:limit][:track])
elsif hash[:event]
# event
case hash[:event]
when "favorite"
send_favorite(hash[:source], hash[:target], hash[:target_object])
when "unfavorite"
send_unfavorite(hash[:source], hash[:target], hash[:target_object])
end
elsif hash[:user]
# tweet
if hash[:retweeted_status]
if hash[:retweeted_status][:user][:id] == @user_id ||
hash[:user][:id] == @user_id
send_retweet(hash)
end
elsif hash[:user][:id] == @user_id
send_tweet(hash)
end
elsif hash[:friends]
# maybe first message
log(:debug, "Received friends", hash[:friends].size)
elsif hash[:scrub_geo]
log(:debug, "scrub_geo", hash)
else
log(:info, "Unexpected UserStreams data", hash)
end
end
@client
end
def start
@client.connect
log(:info, "Connected")
end
def update(hash)
opts = gopts(hash)
if opts[:oauth][:token] != @client.options[:oauth][:token]
@client.connection.update(opts)
log(:info, "Connection updated")
end
end
def stop
@client.connection.stop
log(:info, "Disconnected")
end
private
def log(level, msg, data = nil)
@logger.send(level, "#{msg}(##{@account_id}/#{@user_id}): #{data}")
end
def gopts(msg)
{
host: "userstream.twitter.com",
path: "/1.1/user.json",
params: {
with: "user"
},
oauth: {
consumer_key: Settings.consumer[msg["consumer_version"]].key,
consumer_secret: Settings.consumer[msg["consumer_version"]].secret,
token: msg["oauth_token"],
token_secret: msg["oauth_token_secret"]},
method: :get
}
end
def conv_user(user)
{id: user[:id],
screen_name: user[:screen_name],
name: user[:name],
profile_image_url: user[:profile_image_url_https],
protected: user[:protected]}
end
def conv_tweet(status)
{type: "tweet",
id: status[:id],
text: format_text(status),
source: format_source(status),
tweeted_at: status[:created_at],
user: conv_user(status[:user])}
end
def send_tweet(status)
@callback.call(conv_tweet(status))
log(:debug, "Sent tweet", status[:id])
end
def send_favorite(source, target, target_object)
@callback.call(type: "favorite",
tweet: conv_tweet(target_object),
user: conv_user(source))
log(:debug, "Sent favorite", source[:id] => target_object[:id])
end
def send_unfavorite(source, target, target_object)
@callback.call(type: "unfavorite",
tweet: conv_tweet(target_object),
user: conv_user(source))
log(:debug, "Sent unfavorite", source[:id] => target_object[:id])
end
def send_retweet(status)
@callback.call(type: "retweet",
id: status[:id],
tweet: conv_tweet(status[:retweeted_status]),
user: conv_user(status[:user]))
log(:debug, "Sent retweet", status[:user][:id] => status[:retweeted_status][:id])
end
def send_delete(deleted_status_id, deleted_user_id)
@callback.call(type: "delete",
id: deleted_status_id,
user_id: deleted_user_id)
log(:debug, "Sent delete", deleted_user_id => deleted_status_id)
end
end
end
end
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