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translation_agent.rb 3.2KB

    module Agents class TranslationAgent < Agent cannot_be_scheduled! description <<-MD You can use Translation Agent to translate text between natural languages. Services are provided using Microsoft Translator. You can [sign up](https://datamarket.azure.com/dataset/bing/microsofttranslator) and [register your application](https://datamarket.azure.com/developer/applications/register) to get `client_id` and `client_secret` which are required to use this agent. `to` must be filled with a [translator language code](http://msdn.microsoft.com/en-us/library/hh456380.aspx). Specify what you would like to translate in `content` field, you can use [Liquid](https://github.com/cantino/huginn/wiki/Formatting-Events-using-Liquid) specify which part of the payload you want to translate. `expected_receive_period_in_days` is the maximum number of days you would allow to pass between events. MD event_description "User defined" def default_options { 'client_id' => "xxxxxx", 'client_secret' => "xxxxxx", 'to' => "fi", 'expected_receive_period_in_days' => 1, 'content' => { 'text' => "{{message.text}}", 'content' => "{{xyz}}" } } end def working? last_receive_at && last_receive_at > interpolated['expected_receive_period_in_days'].to_i.days.ago && !recent_error_logs? end def translate(text, to, access_token) translate_uri = URI 'http://api.microsofttranslator.com/v2/Ajax.svc/Translate' params = { 'text' => text, 'to' => to } translate_uri.query = URI.encode_www_form params request = Net::HTTP::Get.new translate_uri.request_uri request['Authorization'] = "Bearer" + " " + access_token http = Net::HTTP.new translate_uri.hostname, translate_uri.port response = http.request request YAML.load response.body end def validate_options unless options['client_id'].present? && options['client_secret'].present? && options['to'].present? && options['content'].present? && options['expected_receive_period_in_days'].present? errors.add :base, "client_id,client_secret,to,expected_receive_period_in_days and content are all required" end end def postform(uri, params) req = Net::HTTP::Post.new(uri.request_uri) req.form_data = params Net::HTTP.start(uri.hostname, uri.port, :use_ssl => true) { |http| http.request(req) } end def receive(incoming_events) auth_uri = URI "https://datamarket.accesscontrol.windows.net/v2/OAuth2-13" response = postform auth_uri, :client_id => interpolated['client_id'], :client_secret => interpolated['client_secret'], :scope => "http://api.microsofttranslator.com", :grant_type => "client_credentials" access_token = JSON.parse(response.body)["access_token"] incoming_events.each do |event| translated_event = {} opts = interpolated(event) opts['content'].each_pair do |key, value| translated_event[key] = translate(value.first, opts['to'], access_token) end create_event :payload => translated_event end end end end