我们可以在使用gecoder宝石时检查经度和纬度的唯一性吗？

Question

Using geocoder gem in my web services , the server side we need to validate the uniqueness of location added.Is this possible with the geocoder gem, we don't want the same location twice in our database.

Any help will be appreciated?

Answer 1

在模型上定义唯一性验证：

validates :latitude, uniqueness: {scope: :longitude}