Contents

module Volt
  class UniqueValidator
    def self.validate(model, field_name, args)
      if RUBY_PLATFORM != 'opal'
        if args
          value  = model.get(field_name)

          query = {}
          # Check to see if any other documents have this value.
          query[field_name.to_s] = value
          query['_id'] = { '$ne' => model._id }

          # Check if the value is taken
          # TODO: need a way to handle scope for unique
          return $page.store.get(model.path[-2]).where(query).fetch_first do |item|
            if item
              message = (args.is_a?(Hash) && args[:message]) || 'is already taken'

              # return the error
              next {field_name: [message]}
            end
          end
        end
      end

      # no errors
      {}
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
volt-0.9.1.pre3	lib/volt/models/validators/unique_validator.rb
volt-0.9.1.pre2	lib/volt/models/validators/unique_validator.rb