Re: Problem with hasOne Relation

On Sun, Oct 3, 2010 at 2:01 PM, Raphi <panicroom@t-online.de> wrote:
> Hi there,
>
> I'm new to Cake and now I seem to have a little understanding problem.
> The situation is this:
>
> I have a UsersController and a User Model. Then there is an
> editProfile() method within my UsersController. Of course I also
> created a view (users/edit_profile.ctp). My problem is that I want to
> have an editable automagic form on that page that is linked to the
> user_profiles table.
>
> What I did is, I added "var $hasOne = array('UserProfile');" to my
> User Model. And I created a form like this:
>
>    echo $form->create('UserProfile');
>    echo $form->input('id');
>    echo $form->input('name');
>    echo $form->end();
>
> Then I created a user_profile.php model file and added "var $belongsTo
> = 'User';" to it. The user_profiles table has a "user_id" foreign key.
>
> When I send the form, cake throws an error as it cannot find the
> "UserProfileController". Normally this would be ok but for I want the
> UsersController to do all the work it's not. What can I do? I mean, I
> could create a user_profiles_controller.php to send the form and
> afterwards do a redirect to the form but that wouldn't be very
> fashionable.

Assuming that the data you want to modify are in the users table, and
that you want to submit the form with AJAX, you can handle it all with
a single action in UsersController.

AppController:

public $components = array('Auth', 'Session', 'RequestHandler', ...);

function beforeFilter()
{
parent::beforeFilter();

// ...

if ($this->RequestHandler->isAjax())
{
Configure::write('debug', 0);
$this->layout = 'ajax';
}
}

UsersController:

function beforeFilter()
{
parent::beforeFilter();

// ...

if ($this->RequestHandler->isAjax())
{
$this->viewPath = 'elements/users';
}
}

public function edit()
{
$id = $this->Auth->user('id');

if (!$id)
{
$this->flash('invalid request');
}

if (!empty($this->data))
{
if ($this->User->save($this->data))
{
if ($this->RequestHandler->isAjax())
{
$this->render('profile');
}
}
else
{
if ($this->RequestHandler->isAjax())
{
$this->render('form');
}
}
}
else
{
$this->data = $this->User->read(null, $id);
}

// set whatever else you need
}

views/elements/users/form.ctp:

<?php
if (!empty($form->validationErrors))
{
?>
<p class="Error">There was an error in the submission. Please review
the fields below.</p>
<?php
}
?>
<p class="Required">* Required Field</p>
<?php

switch ($this->params['action'])
{
case 'admin_add':

echo $form->create('User', array('action' => 'add', 'admin' => 1));
break;

case 'add':

echo $form->create('User', array('action' => 'add'));
break;

case 'admin_edit':

echo $form->create('User', array('action' => 'edit', 'admin' => 1));
echo $form->hidden('User.id');
break;

case 'edit':

echo $form->create('User', array('action' => 'edit'));
echo $form->hidden('User.id');
break;
}

In the case blocks above, you could include your JS link(s) for the
AJAX form stuff. You can also switch on $this->params['action'] for
the submit buttons, test it for whether to include certain fields,
etc. The add, edit, admin_add, admin_edit views all just include the
form element.

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