From 098a960266dbcabaa6169940520f1f4cf2169cdf Mon Sep 17 00:00:00 2001 From: John Olmsted & Strand McCutchen Date: Fri, 24 Jan 2014 11:24:06 -0800 Subject: Reordered classes in AR Validation #validates_with example [ci skip] Person called GoodnessValidator before it was defined. This change will compile the example correctly. --- guides/source/active_record_validations.md | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) (limited to 'guides/source') diff --git a/guides/source/active_record_validations.md b/guides/source/active_record_validations.md index efa826e8df..b04c7a90e2 100644 --- a/guides/source/active_record_validations.md +++ b/guides/source/active_record_validations.md @@ -616,10 +616,6 @@ The default error message is _"has already been taken"_. This helper passes the record to a separate class for validation. ```ruby -class Person < ActiveRecord::Base - validates_with GoodnessValidator -end - class GoodnessValidator < ActiveModel::Validator def validate(record) if record.first_name == "Evil" @@ -627,6 +623,10 @@ class GoodnessValidator < ActiveModel::Validator end end end + +class Person < ActiveRecord::Base + validates_with GoodnessValidator +end ``` NOTE: Errors added to `record.errors[:base]` relate to the state of the record @@ -644,10 +644,6 @@ Like all other validations, `validates_with` takes the `:if`, `:unless` and validator class as `options`: ```ruby -class Person < ActiveRecord::Base - validates_with GoodnessValidator, fields: [:first_name, :last_name] -end - class GoodnessValidator < ActiveModel::Validator def validate(record) if options[:fields].any?{|field| record.send(field) == "Evil" } @@ -655,6 +651,10 @@ class GoodnessValidator < ActiveModel::Validator end end end + +class Person < ActiveRecord::Base + validates_with GoodnessValidator, fields: [:first_name, :last_name] +end ``` Note that the validator will be initialized *only once* for the whole application -- cgit v1.2.3