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author | Rafael Mendonça França <rafaelmfranca@gmail.com> | 2014-01-24 11:41:25 -0800 |
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committer | Rafael Mendonça França <rafaelmfranca@gmail.com> | 2014-01-24 11:41:25 -0800 |
commit | c438c61794f78d2b2f9023de707c84f9ee5e652f (patch) | |
tree | 032922cff6d426e8250bdc60c098bd33b0f1bf98 /guides | |
parent | 0a43bf3146f0796fe23da50fa5c40e28b1398139 (diff) | |
parent | 098a960266dbcabaa6169940520f1f4cf2169cdf (diff) | |
download | rails-c438c61794f78d2b2f9023de707c84f9ee5e652f.tar.gz rails-c438c61794f78d2b2f9023de707c84f9ee5e652f.tar.bz2 rails-c438c61794f78d2b2f9023de707c84f9ee5e652f.zip |
Merge pull request #13829 from qsymmachus/improve_validates_with_example
Reordered classes in AR Validation #validates_with example [ci skip]
Diffstat (limited to 'guides')
-rw-r--r-- | guides/source/active_record_validations.md | 16 |
1 files changed, 8 insertions, 8 deletions
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 |