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ActiveModel::Validator#validate must receive have a record parameter.

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1 parent f8cfa45 commit 29399e00c9a0875b6823989c636058910fd7c86b @reu reu committed Feb 23, 2011
Showing with 3 additions and 6 deletions.
  1. +3 −6 railties/guides/source/active_record_validations_callbacks.textile
@@ -417,7 +417,7 @@ class Person < ActiveRecord::Base
end
class GoodnessValidator < ActiveModel::Validator
- def validate
+ def validate(record)
if record.first_name == "Evil"
record.errors[:base] << "This person is evil"
end
@@ -427,10 +427,7 @@ end
The +validates_with+ helper takes a class, or a list of classes to use for validation. There is no default error message for +validates_with+. You must manually add errors to the record's errors collection in the validator class.
-The validator class has two attributes by default:
-
-* +record+ - the record to be validated
-* +options+ - the extra options that were passed to +validates_with+
+To implement the validate method, you must have an +record+ parameter defined, which is the record to be validated.
Like all other validations, +validates_with+ takes the +:if+, +:unless+ and +:on+ options. If you pass any other options, it will send those options to the validator class as +options+:
@@ -440,7 +437,7 @@ class Person < ActiveRecord::Base
end
class GoodnessValidator < ActiveRecord::Validator
- def validate
+ def validate(record)
if options[:fields].any?{|field| record.send(field) == "Evil" }
record.errors[:base] << "This person is evil"
end

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