使用地理编码器gem和PostGIS数据库使用RGeo对地址进行地理编码

I am trying to use the geocoder gem for looking up addresses and coordinates. I want it to work together with my PostGIS spatial database and the RGeo gem, which uses POINT features instead of saving latitude and longitude values separately. So I have tried to work into my model to save the results from the geocoder lookup into an RGeo POINT feature:I am trying to use the geocoder gem for looking