Hide bigquery service when not enabled

app/models/carto/user.rb

@@ -685,7 +685,8 @@ class Carto::User < ActiveRecord::Base
                 when 'instagram'
                   Cartodb.config[:oauth]['instagram']['app_key'].present? && has_feature_flag?('instagram_import')
                 when 'bigquery'
-                  Cartodb.config[:oauth][serv]['client_id'].present?
+                  Cartodb.config[:oauth][serv]['client_id'].present? &&
+                  Carto::Connector.provider_available?('bigquery', self)
                 else
                   true
                 end

lib/carto/connector.rb

@@ -61,6 +61,14 @@ module Carto
       user.has_feature_flag?('carto-connectors')
     end
 
+    def self.provider_available?(provider, user)
+      connector = Carto::Connector.new({provider: provider}, user: user, logger: nil)
+      connector.check_availability!
+      true
+    rescue ConnectorsDisabledError
+      false
+    end
+
     # Check availability for a user and provider
     def check_availability!
       Connector.check_availability!(@connector_context.user)