Temporary change for the new BQ connector

This is needed until new Connections are merged in

lib/carto/connector.rb

@@ -15,6 +15,7 @@ module Carto
       @provider_name ||= DEFAULT_PROVIDER
 
       @user = user
+      temporay_parameters_adjustment_for_new_bigquery_connector
 
       raise InvalidParametersError.new(message: "Provider not defined") if @provider_name.blank?
       @provider = Connector.provider_class(@provider_name).try :new, parameters: @params, user: @user, **args
@@ -196,6 +197,20 @@ module Carto
 
     private
 
+    # TODO: remove when new connections are in place
+    def temporay_parameters_adjustment_for_new_bigquery_connector
+      if bigquery_connection_missing_refresh_token?
+        @params.reverse_merge!(connection: {})
+        @params[:connection].merge!(refresh_token: = @user.oauths.select('bigquery')&.token)
+      end
+    end
+
+    def bigquery_connection_missing_refresh_token?
+      return false if @provider_name != 'bigquery'
+      return true if @params[:connection].blank?
+      (@params[:connection].keys & [:service_account, :access_token, :refresh_token]).empty?
+    end
+
     def self.has_feature?(provider, feature)
       information = Connector.information(provider)
       information[:features][feature]