Re: Data Validation: Checking if at least one field is populated and multiple rules not validating

Thanks very much Stephen. I kept at it and found the solution lay in removing the 'required' and 'allowEmpty' from the 'needOne' ruleset, and adding a 'required' => false in the view. 

Here's the working solution for any one else with this problem:

The model:

public $validate = array(

'last_name'=> array(

'needOne' => array (

'rule' => 'checkOne',

'message' => 'You must enter at least a contact name or email address.'

),

'alphaNumeric' => array(

'rule'   => 'alphaNumeric',

'message'  => 'Alphabets and numbers only',

'allowEmpty' => TRUE

),

'between' => array(

'rule'  => array('between', 2, 45),

'message' => 'Between 2 to 45 characters',

'allowEmpty' => TRUE

)

),

'email' => array(

'needOne' => array (

'rule' => 'checkOne',

'message' => 'You must enter at least a contact name or email address.'

),

'emailAddress' => array (

'rule' => 'email',

'message'  => 'A valid Email address is required',

'allowEmpty' => TRUE

)

)

);

// Ensure at least the last name or email field value is provided

public function checkOne($data) {

if(!empty($this->data[$this->alias]['last_name']) 

|| !empty($this->data[$this->alias]['email'])) {

return TRUE;

} else {

return FALSE;

}

}

The view/fields (I'm using Bootstrap):

echo $this->Form->input('last_name', array(

'required' => false,

'fieldset' => false,

'label' => false,

'before' => '<label class="control-label">Last Name <span class="one-required">*</span></label>',

'class' => 'form-control',

'placeholder' => 'Last Name',

'div' => 'form-group col-sm-12',

'error' => array(

'attributes' => array(

'wrap' => 'div', 

'class' => 'alert alert-danger'

)

)

)

);

echo $this->Form->input('email', array(

'required' => false,

'fieldset' => false,

'label' => false,

'before' => '<label class="control-label">Email <span class="one-required">*</span></label>',

'after' => '',

'class' => 'form-control',

'div' => 'form-group col-sm-12 col-xs-12',

'error' => array(

'attributes' => array(

'wrap' => 'div', 

'class' => 'alert alert-danger'

)

)

)

);

Thanks.

On Wednesday, 16 July 2014 00:44:50 UTC+10, seba wrote:

Folks,

I'm trying to ensure at least one of two fields (last_name or email) is being populated. Each field also has multiple rules. I'm using CakePHP version 2.4.2. 

The problem I have at the moment, after multiple permutations of updating and/or moving around the use 'last', 'allowEmpty', 'required', etc, is that the fields just aren't validating at all, or aren't executing all the rules when a field is populated.

Any advice on how to modify the code below to achieve the following behaviour is much appreciated:

1. One of the two fields must be populated;

2. The other rules attached to each field must validate as well (i.e. if a last name is passed, then it must be between 2 and 45 chars and alphanumeric only)

Here's the model code:

public $validate = array(

'last_name'=> array(

'needOne' => array (

'required' => FALSE,

'allowEmpty' => TRUE,

'last' => TRUE,

'rule' => array('checkOne','last_name'),

'message' => 'You must enter at least a contact name or email address.'

),

'alphaNumeric' => array(

'rule' => 'alphaNumeric',

'message'  => 'Alphabets and numbers only'

),

'between' => array(

'rule' => array('between', 2, 45),

'message' => 'Between 2 to 45 characters'

)

),

'email' => array(

'needOne' => array (

'required' => FALSE,

'allowEmpty' => TRUE,

'last' => TRUE,

'rule' => array('checkOne','email'),

'message' => 'You must enter at least a contact name or email address.'

),

'emailAddress' => array (

'last' => TRUE,

'rule' => array('email', FALSE),

'message'  => 'A valid Email address is required'

)

)

);

// Ensure at least the last name or email field value is provided

function checkOne() {

if(!empty($this->data[$this->User]['last_name']) || 

!empty($this->data[$this->User]['email'])){

return true;

} else {

return false;

}

}

Thanks in advance!

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