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twitter_user_agent.rb 3.7KB

    module Agents class TwitterUserAgent < Agent include TwitterConcern cannot_receive_events! description <<-MD The Twitter User Agent follows the timeline of a specified Twitter user. #{twitter_dependencies_missing if dependencies_missing?} To be able to use this Agent you need to authenticate with Twitter in the [Services](/services) section first. You must also provide the `username` of the Twitter user to monitor. Set `include_retweets` to `false` to not include retweets (default: `true`) Set `exclude_replies` to `true` to exclude replies (default: `false`) Set `expected_update_period_in_days` to the maximum amount of time that you'd expect to pass between Events being created by this Agent. Set `starting_at` to the date/time (eg. `Mon Jun 02 00:38:12 +0000 2014`) you want to start receiving tweets from (default: agent's `created_at`) MD event_description <<-MD Events are the raw JSON provided by the [Twitter API](https://dev.twitter.com/docs/api/1.1/get/statuses/user_timeline). Should look something like: { ... every Tweet field, including ... "text": "something", "user": { "name": "Mr. Someone", "screen_name": "Someone", "location": "Vancouver BC Canada", "description": "...", "followers_count": 486, "friends_count": 1983, "created_at": "Mon Aug 29 23:38:14 +0000 2011", "time_zone": "Pacific Time (US & Canada)", "statuses_count": 3807, "lang": "en" }, "retweet_count": 0, "entities": ... "lang": "en" } MD default_schedule "every_1h" def working? event_created_within?(interpolated['expected_update_period_in_days']) && !recent_error_logs? end def default_options { 'username' => 'tectonic', 'include_retweets' => 'true', 'exclude_replies' => 'false', 'expected_update_period_in_days' => '2' } end def validate_options errors.add(:base, "username is required") unless options['username'].present? errors.add(:base, "expected_update_period_in_days is required") unless options['expected_update_period_in_days'].present? if options[:include_retweets].present? && !%w[true false].include?(options[:include_retweets]) errors.add(:base, "include_retweets must be a boolean value string (true/false)") end if options[:starting_at].present? Time.parse(options[:starting_at]) rescue errors.add(:base, "Error parsing starting_at") end end def starting_at if interpolated[:starting_at].present? Time.parse(interpolated[:starting_at]) rescue created_at else created_at end end def include_retweets? interpolated[:include_retweets] != "false" end def exclude_replies? boolify(interpolated[:exclude_replies]) || false end def check since_id = memory['since_id'] || nil opts = {:count => 200, :include_rts => include_retweets?, :exclude_replies => exclude_replies?, :include_entities => true, :contributor_details => true} opts.merge! :since_id => since_id unless since_id.nil? # http://rdoc.info/gems/twitter/Twitter/REST/Timelines#user_timeline-instance_method tweets = twitter.user_timeline(interpolated['username'], opts) tweets.each do |tweet| if tweet.created_at >= starting_at memory['since_id'] = tweet.id if !memory['since_id'] || (tweet.id > memory['since_id']) create_event :payload => tweet.attrs end end save! end end end