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| -rw-r--r-- | railties/guides/source/active_record_validations_callbacks.textile | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/railties/guides/source/active_record_validations_callbacks.textile b/railties/guides/source/active_record_validations_callbacks.textile index 514d0322b9..8882a5705b 100644 --- a/railties/guides/source/active_record_validations_callbacks.textile +++ b/railties/guides/source/active_record_validations_callbacks.textile @@ -552,6 +552,21 @@ class Account < ActiveRecord::Base end </ruby> +h4. Grouping conditional validations + +Sometimes it is useful to have multiple validations use one condition, it can be easily achieved using +with_options+. + +<ruby> +class User < ActiveRecord::Base + with_options :if => :is_admin? do |admin| + admin.validates_length_of :password, :minimum => 10 + admin.validates_presence_of :email + end +end +</ruby> + +All validations inside of +with_options+ block will have automatically passed the condition +:if => :is_admin?+ + h3. Creating Custom Validation Methods When the built-in validation helpers are not enough for your needs, you can write your own validation methods. |