On Wed, Oct 28, 2015 at 3:45 PM, Rodrigo Lueneberg <li...@ruby-forum.com>
wrote:
> How can I refactor this coordinate validation routine so that I can use
> this method with other fields of the same type, for instance, with
> "full_last_position" and also maintain the cleanliness of the code and
> avoiding repeating method code?
>
Maybe what you're looking for is ActiveModel::Validator ?
>
> class Provider < ActiveRecord::Base
> include UtilsModule
> attr_accessor :full_target_area_coordinate, :full_last_position # this
> field validates and saves coordinate
>
> validate :full_target_area_coordinate, :is_valid_coordinate?
>
> def is_valid_coordinate? # searches local geo_codes table for valid
> zip
> coord = self.full_target_area_coordinate.to_str
> match = coord.match(/^(-?\d{1,2}\.\d{6}),\s*(-?\d{1,2}\.\d{6})$/)
> if match.nil? # invalid format
> errors.add(:target_area_coordinate, :invalid)
> return false
> end
>
> self.target_area_coordinate =
> UtilsModule.convert_coordinate(self.full_target_area_coordinate)
> return true
> end
>
> end
>
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