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require 'addressable/uri'
require 'active_model'
require 'active_support/i18n'
I18n.load_path << File.dirname(__FILE__) + '/locale/en.yml'
I18n.load_path << File.dirname(__FILE__) + '/locale/tr.yml'
I18n.load_path << File.dirname(__FILE__) + '/locale/ja.yml'
module ActiveModel
module Validations
class UrlValidator < ActiveModel::EachValidator
def initialize(options)
options.reverse_merge!(:schemes => %w(http https))
options.reverse_merge!(:message => :url)
options.reverse_merge!(:no_local => false)
super(options)
end
def validate_each(record, attribute, value)
schemes = [*options.fetch(:schemes)].map(&:to_s)
begin
uri = Addressable::URI.parse(value)
unless uri && uri.host && schemes.include?(uri.scheme) && (!options.fetch(:no_local) || uri.host.include?('.'))
record.errors.add(attribute, options.fetch(:message), :value => value)
end
rescue Addressable::URI::InvalidURIError
record.errors.add(attribute, options.fetch(:message), :value => value)
end
end
end
module ClassMethods
# Validates whether the value of the specified attribute is valid url.
#
# class Unicorn
# include ActiveModel::Validations
# attr_accessor :homepage, :ftpsite
# validates_url :homepage, :allow_blank => true
# validates_url :ftpsite, :schemes => ['ftp']
# end
# Configuration options:
# * <tt>:message</tt> - A custom error message (default is: "is not a valid URL").
# * <tt>:allow_nil</tt> - If set to true, skips this validation if the attribute is +nil+ (default is +false+).
# * <tt>:allow_blank</tt> - If set to true, skips this validation if the attribute is blank (default is +false+).
# * <tt>:schemes</tt> - Array of URI schemes to validate against. (default is +['http', 'https']+)
def validates_url(*attr_names)
validates_with UrlValidator, _merge_attributes(attr_names)
end
end
end
end
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