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author | David Heinemeier Hansson <david@loudthinking.com> | 2004-12-09 14:37:37 +0000 |
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committer | David Heinemeier Hansson <david@loudthinking.com> | 2004-12-09 14:37:37 +0000 |
commit | 27ea0b527e172bbc8f8b68c39c8359ee0c77e435 (patch) | |
tree | 00f76609affbfd723213e2298158410526614fe0 /activerecord/lib/active_record/validations.rb | |
parent | d33f814db500538cee14b3db83afaef5f671a692 (diff) | |
download | rails-27ea0b527e172bbc8f8b68c39c8359ee0c77e435.tar.gz rails-27ea0b527e172bbc8f8b68c39c8359ee0c77e435.tar.bz2 rails-27ea0b527e172bbc8f8b68c39c8359ee0c77e435.zip |
Added Base.validate_confirmation that encapsulates the pattern of wanting to validate the acceptance of a terms of service check box (or similar agreement)
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@97 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
Diffstat (limited to 'activerecord/lib/active_record/validations.rb')
-rwxr-xr-x | activerecord/lib/active_record/validations.rb | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/validations.rb b/activerecord/lib/active_record/validations.rb index 705cad20df..71cbb5a6e5 100755 --- a/activerecord/lib/active_record/validations.rb +++ b/activerecord/lib/active_record/validations.rb @@ -80,6 +80,29 @@ module ActiveRecord EOM end end + + + # Encapsulates the pattern of wanting to validate the acceptance of a terms of service check box (or similar agreement). Example: + # + # Model: + # class Person < ActiveRecord::Base + # validate_acceptance :terms_of_service + # end + # + # View: + # <%= check_box "person", "terms_of_service" %> + # + # The terms_of_service attribute is entirely virtual. It's only used for validation at the time of creation. No database column is needed. + # + # NOTE: The agreement is considered valid if it's set to the string "1". This makes it easy to relate it to an HTML checkbox. + def validate_acceptance(*attr_names) + for attr_name in attr_names + attr_accessor(attr_name) + class_eval <<-EOM + validate_on_create %{errors.add('#{attr_name}', "must be accepted") unless #{attr_name} == "1"} +EOM + end + end end # The validation process on save can be skipped by passing false. The regular Base#save method is |