def assign_provider_attrs(user, auth_hash)
      attrs = auth_hash['info'].slice(*user.attribute_names)
      user.assign_attributes(attrs)
    end
def assign_provider_attrs(user, auth_hash)
      attrs = auth_hash['info'].slice(*user.attribute_names)
      user.assign_attributes(attrs)
    end
break out provider attribute assignment for easy method extension