Class: Grape::ExtraValidators::Length

Inherits:
Validations::Base
  • Object
show all
Defined in:
lib/grape/extra_validators/length.rb

Instance Method Summary collapse

Instance Method Details

#validate_param!(attr_name, params) ⇒ Object

Methods

Public Methods



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# File 'lib/grape/extra_validators/length.rb', line 14

def validate_param!(attr_name, params)
  return if !@required && params[attr_name].blank?

  if @option.instance_of?(Range)
    return if @option.include?(params[attr_name].length)

    message = "must be #{@option.first} to #{@option.last} characters long"
    fail Grape::Exceptions::Validation.new(params: [@scope.full_name(attr_name)], message: message)
  end

  return if params[attr_name].length == @option

  unit = "character".pluralize(@option)
  message = "must be #{@option} #{unit} long"
  fail Grape::Exceptions::Validation.new(params: [@scope.full_name(attr_name)], message: message)
end