service.rb in google-cloud-translate-1.1.0

- old
+ new

@@ -14,11 +14,11 @@
 
 
 require "google/cloud/errors"
 require "google/cloud/translate/credentials"
 require "google/cloud/translate/version"
-require "faraday" # comes from googleauth, comes from google-cloud-core
+require "faraday"
 
 module Google
   module Cloud
     module Translate
       ##
@@ -83,11 +83,11 @@
               req.body = body unless body.nil?
 
               if @key
                 req.params = { key: @key }
               else
-                @credentials.sign_http_request req
+                sign_http_request! req
               end
             end
           end
 
           return JSON.parse(response.body)["data"] if response.success?
@@ -125,9 +125,20 @@
           backoff.execute do
             yield
           end
         rescue Faraday::ConnectionFailed
           raise Google::Cloud::ResourceExhaustedError
+        end
+
+        ##
+        # Sign Oauth2 API calls.
+        def sign_http_request! request
+          client = credentials.client
+          return if client.nil?
+
+          client.fetch_access_token! if client.expires_within? 30
+          client.generate_authenticated_request request: request
+          request
         end
 
         ##
         # @private Backoff
         class Backoff