CakePHP "Agree TOS" Checkbox Validation

Question

I am trying to have a Checkbox "Agree TOS".

If the Checkbox is not checked, I want to put out a Flash Message.

How do I do this?

My View:

<?php echo $form->create('Item', array('url' => array_merge(array('action' => 'find'), $this->params['pass']))); echo $form->input('Search', array('div' => false)); echo $form->submit(__('Search', true), array('div' => false)); echo $form->checkbox('tos', array('label' => false, 'value'=>1)).' Agree TOS'; echo $form->error('tos'); echo $form->end(); ?>

My Model:

var $check = array( 'tos' => array( 'rule' => array('comparison', 'equal to', 1), 'required' => true, 'allowEmpty' => false, 'on' => 'index', 'message' => 'You have to agree TOS' ));

Your rules array should be $validate, not $check, I believe. — lxa
– lxa, Commented Jul 16, 2011 at 15:40
Maybe overkill, but you can also leverage a Confirmable Behavior. — mark
– mark, Commented Sep 12, 2013 at 12:05

Invincible · Accepted Answer · 2013-03-20 12:40:48Z

This seems working for me. Hope it will help.

In model:

 'tos' => array( 'notEmpty' => array( 'rule' => array('comparison', '!=', 0), 'required' => true, 'message' => 'Please check this box if you want to proceed.' )

In view:

 <?php echo $this->Form->input('tos', array('type'=>'checkbox', 'label'=>__('I confirm I have read the <a href="/privacy-statement">privacy statement</a>.', true), 'hiddenField' => false, 'value' => '0')); ?>

Fury · Accepted Answer · 2016-01-13 00:00:23Z

Model

'agreed' => array( 'notempty' => array( 'rule' => array('comparison', '!=', 0),//'checkAgree', 'message' => ''You have to agree TOS'', 'allowEmpty' => false, 'required' => true, 'last' => true, // Stop validation after this rule 'on' => 'signup', // Limit validation to 'create' or 'update' operations ), ),

View

<?php echo $this->Form->input('agreed',array('value'=>'0'),array('type'=>'checkbox', 'label'=>'Agree to TOS')); ?>

mark · Accepted Answer · 2016-01-13 00:36:59Z

basically, you add the rule "notEmpty" for this field to the public $validate array of the model. this way an error will get triggered on Model->validates() if the checkbox has not been checked.

maybe some overhead in your case, but if you happen to use it more often try a DRY (dont repeat yourself) approach. you can also use a behavior for this to use this clean and without tempering too much with the model/controller:

// view form echo $this->Form->input('confirmation', array('type'=>'checkbox', 'label'=>__('Yes, I actually read it', true)));

and in the controller action

// if posted $this->Model->Behaviors->attach(array('Tools.Confirmable'=>array('field'=>'confirmation', 'message'=>'My custom message'))); $this->Model->set($this->data); if ($this->Model->validates()) { // OK } else { // Error flash message here }

1.x: https://github.com/dereuromark/tools/blob/1.3/models/behaviors/confirmable.php

for 2.x: https://github.com/dereuromark/cakephp-tools/blob/2.x/Model/Behavior/ConfirmableBehavior.php

3.x: https://github.com/dereuromark/cakephp-tools/blob/master/src/Model/Behavior/ConfirmableBehavior.php

details: http://www.dereuromark.de/2011/07/05/introducing-two-cakephp-behaviors/

papachan · Accepted Answer · 2011-07-16 14:28:53Z

I believe you need try save it into your model to catch your tos rules. I should do something like =

if(!$mymodel->save()){ // catch error tos. }

Ross · Accepted Answer · 2011-07-16 14:29:00Z

$this->ModelName->invalidFields() returns an array of fields that failed validation.

You could try and search this for the tos field, and output a message if the key exists.

~untested (I'm not sure off the top of my head the exact structure of the invalidFields return array.

$failed_fields = $this->ModelName->invalidFields(); if(array_key_exists('tos', $failed_fields)) { $this->Session->setFlash('Please accept the terms and conditions'); }

Anh Pham · Accepted Answer · 2011-07-17 01:16:23Z

you don't even have to have validation rule for tos, just check that at the controller before saving the data.

if($this->data['Model']['tos']==1){ // save data }else{ //set flash }

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