You probably have to use a combination of defining your validation
rules according to the CakePHP book at:
http://book.cakephp.org/view/1151/Multiple-Rules-per-Field
and then use the models invalidFields method to pass the errors on to
the view, so that you may discern which error rule is being reported.
Enjoy,
John
On 22 Feb., 05:11, O.J. Tibi ojt...@gmail.com wrote:
Hi all,
I need some ideas on this one. We all know pretty well that a model
gathers messages from failing validation rules whenever it performs
validations, and these messages can be retrieved using
$Model-invalidFields(). I was thinking, what if I wanted to check if a
particular validation rule was triggered for this field that I'm
interested in? Would there be a way to check that this rule was
triggered without relying on the validation messages?
Let's say I have a registration form. I have a User.username field
that has some few validation rules (not empty, between range, valid
characters, no duplicates, etc.) but I'm particularly interested if
the no duplicates rule was triggerred on validation. In a component,
whenever the no duplicates field is triggered, the component will
inject a username suggestion helper into the parent controller.
The reason why we should not determine if a particular rule was
triggered using the validation messages, is because these messages
(that are displayed to the user) may be changed in the application,
depending on the requirements. These messages are also translated
according to the user's current locale, so comparing a validation
message that may change in the application's lifetime to its
Gettext'ed counterpart is not viable.
Would it be possible to mimic the $Model-invalidFields() method to
return constant error codes or error ids (alphanumeric, hashed,
numeric, prefixed, or any other flavor you like to site as an example)
that would not change even if the associated validation messages
change? If so, what's your recommendation on how to wire this
functionality into the model so I can check it after validation
failures?
Thanks,
OJ
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