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twilio_agent.rb 3.9KB

    require 'securerandom' module Agents class TwilioAgent < Agent cannot_be_scheduled! cannot_create_events! no_bulk_receive! gem_dependency_check { defined?(Twilio) } description <<-MD The Twilio Agent receives and collects events and sends them via text message (up to 160 characters) or gives you a call when scheduled. #{'## Include `twilio-ruby` in your Gemfile to use this Agent!' if dependencies_missing?} It is assumed that events have a `message`, `text`, or `sms` key, the value of which is sent as the content of the text message/call. You can use the EventFormattingAgent if your event does not provide these keys. Set `receiver_cell` to the number to receive text messages/call and `sender_cell` to the number sending them. `expected_receive_period_in_days` is maximum number of days that you would expect to pass between events being received by this agent. If you would like to receive calls, set `receive_call` to `true`. In this case, `server_url` must be set to the URL of your Huginn installation (probably "https://#{ENV['DOMAIN']}"), which must be web-accessible. Be sure to set http/https correctly. MD def default_options { 'account_sid' => 'ACxxxxxxxxxxxxxxxxxxxxxxxxxxxxx', 'auth_token' => 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx', 'sender_cell' => 'xxxxxxxxxx', 'receiver_cell' => 'xxxxxxxxxx', 'server_url' => 'http://somename.com:3000', 'receive_text' => 'true', 'receive_call' => 'false', 'expected_receive_period_in_days' => '1' } end def validate_options unless options['account_sid'].present? && options['auth_token'].present? && options['sender_cell'].present? && options['receiver_cell'].present? && options['expected_receive_period_in_days'].present? && options['receive_call'].present? && options['receive_text'].present? errors.add(:base, 'account_sid, auth_token, sender_cell, receiver_cell, receive_text, receive_call and expected_receive_period_in_days are all required') end end def receive(incoming_events) memory['pending_calls'] ||= {} incoming_events.each do |event| message = (event.payload['message'].presence || event.payload['text'].presence || event.payload['sms'].presence).to_s if message.present? if boolify(interpolated(event)['receive_call']) secret = SecureRandom.hex 3 memory['pending_calls'][secret] = message make_call secret end if boolify(interpolated(event)['receive_text']) message = message.slice 0..160 send_message message end end end end def working? last_receive_at && last_receive_at > interpolated['expected_receive_period_in_days'].to_i.days.ago && !recent_error_logs? end def send_message(message) client.account.messages.create :from => interpolated['sender_cell'], :to => interpolated['receiver_cell'], :body => message end def make_call(secret) client.account.calls.create :from => interpolated['sender_cell'], :to => interpolated['receiver_cell'], :url => post_url(interpolated['server_url'], secret) end def post_url(server_url, secret) "#{server_url}/users/#{user.id}/web_requests/#{id}/#{secret}" end def receive_web_request(params, method, format) if memory['pending_calls'].has_key? params['secret'] response = Twilio::TwiML::Response.new {|r| r.Say memory['pending_calls'][params['secret']], :voice => 'woman'} memory['pending_calls'].delete params['secret'] [response.text, 200] end end def client @client ||= Twilio::REST::Client.new interpolated['account_sid'], interpolated['auth_token'] end end end