Maganement of available locales in MicrosoftTranslateClient

- Create remote_available_locales method to recover available locales from microsoft tanslate client. This method will be useful to display the translation button as long as the locale sent is valid.
- Create parse_locale method: Need parse available locales in Consul to will be valid on Microsoft Translate Client

lib/microsoft_translate_client.rb

@@ -1,5 +1,6 @@
 require "translator-text"
 include SentencesParser
+include RemoteAvailableLocales
 
 class MicrosoftTranslateClient
   CHARACTERS_LIMIT_PER_REQUEST = 5000

lib/remote_available_locales.rb

@@ -0,0 +1,45 @@
+require "net/https"
+require "uri"
+require "cgi"
+require "json"
+
+module RemoteAvailableLocales
+
+  def load_remote_locales
+    remote_available_locales.map { |locale| locale.first }
+  end
+
+  def parse_locale(locale)
+    case locale
+    when :"pt-BR"
+      :pt
+    when :"zh-CN"
+      :"zh-Hans"
+    when :"zh-TW"
+      :"zh-Hant"
+    else
+      locale
+    end
+  end
+
+  private
+
+  def remote_available_locales
+    host = "https://api.cognitive.microsofttranslator.com"
+    path = "/languages?api-version=3.0"
+
+    uri = URI (host + path)
+
+    request = Net::HTTP::Get.new(uri)
+    request["Ocp-Apim-Subscription-Key"] = Rails.application.secrets.microsoft_api_key
+
+    response = Net::HTTP.start(uri.host, uri.port, :use_ssl => uri.scheme == "https") do |http|
+      http.request (request)
+    end
+
+    result = response.body.force_encoding("utf-8")
+
+    JSON.parse(result)["translation"]
+  end
+
+end