johnathanludwig
/ date_range.rb
Last active
September 8, 2015 21:26
A custom validator for date ranges. Read the comments for directions on how to use it. Place this file in your initializers directory. I prefer this structure: config/initializers/extensions/active_model/validations/date_range.rb
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| module ActiveModel | |
| module Validations | |
| class DateRangeValidator < ActiveModel::EachValidator | |
| def validate_each(record, attribute, value) | |
| return if value.blank? | |
| pass = true | |
| if comparison_date = options[:before] | |
| if record.send(comparison_date).present? | |
| pass = value < record.send(comparison_date) |
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