Created
April 11, 2011 10:50
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# app/validators/domain_validator.rb | |
require "resolv" | |
class DomainValidator < ActiveModel::EachValidator | |
def validate_each(object,attribute,value) | |
begin | |
domain = Resolv::DNS.new.getresource(value, Resolv::DNS::Resource::IN::CNAME) | |
valid = true if domain.name.to_s == "mydomain.com" | |
rescue Exception => e | |
valid = false | |
end | |
object.errors[attribute] << (options[:message] || "is not setup correctly") unless valid | |
end | |
end | |
# app/models/account.rb | |
class Account < ActiveRecord::Base | |
validates :domain, :presence => true, | |
:uniqueness => { :case_sensitive => false }, | |
:format => { :with => /^([a-z\d]+)([\-]{1}[a-z\d]+)*\.[a-z.]+$/i }, | |
:domain => true | |
attr_accessible :domain | |
end | |
# spec/models/account_spec.rb | |
# This test (and others not testing the validator above) should skip that specific validation | |
# for speed and to be able to use non-existing domain names | |
it "rejects a record if the domain is already taken" do | |
Factory(:account, :domain => "yourcompany.com") | |
Factory.build(:account, :domain => "yourcompany.com").should_not be_valid | |
end |
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