[Flow] Multi step form - save values in session

[Mark Kuiphuis]

On 30/06/13 1:04 AM, Alexander Berl wrote:
> Hi Mark,
>
> the session works by serialization/unserialization of the data, so for
> it to work properly you need to make sure that the Object you want to
> store can be properly serialized and unserialized, ie.
> [igbinary_]unserialize([igbinary_]serialize($data)) == $data
>
> I'm not sure how it would be possible that get_class($member) returns a
> class name but the content of $member would be an array, so maybe I'm
> getting something wrong.
> I would rather suspect there is some small logic error in your code
> somewhere, for example that the session data gets overwritten with array
> data somewhere.
>
> As to the propertyMapping, you are most likely just missing a proper
> PropertyMappingConfiguration for all subproperties (assuming the
> propertyMapper is properly injected and hence initialized and
> is_array($session->getData('member')) is TRUE).
>
> Here would be a good point to provide more information in form of full
> code of your model and the dump output after retrieval from the session
> and (if still relevant) after the property mapping.
>
> Regards,
> Alexander
>
> Am 29.06.2013 06:59, schrieb Mark Kuiphuis:
>> Hi all,
>>
>> I am trying to get a form working which will be spread out over multiple
>> pages. Each step will need to save the values in a session object.
>>
>> So I have created a model with scope session which contains all the
>> fields amongst the 6 steps in the form.
>>
>> At the first "saveStep1Action()" where I create a new object of this
>> model and assign the values from the form with setters and finally save
>> the (partially completed) model in the session it all goes well.
>> I don't want to put "rubbish" in the database yet, that's why I want to
>> use the session
>>
>> However, after wanting to save the values from the 2nd step of the form
>> in the same model I first need to retrieve the model from the session.
>>
>> So, I am using the following line of code to do that.
>>
>> $session = $this->sessionManager->getCurrentSession();
>> if ($session->hasKey('member')) {
>>     $member = $session->getData('member');
>> }
>>
>> When I output this information with \TYPO3\Flow\var_dump($member) I do
>> see the values from the 1st step in the form...so storing the session
>> works well.
>>
>> echo gettype($member) shows "Object" and
>> echo get_type($member) shows "\My\Package\Domain\Session\Model\Member"
>> (this model does exist in this non-conventional Flow folder)
>>
>> I am unable to use any more setters on this model and save the newly
>> updated model in the session again.
>>
>> $session->getData('member') returns an array, although get_class and
>> gettype tell me otherwise....
>>
>> Because of the array being returned I have tried to use the
>> propertyMapper to convert the session data to my model by issuing:
>>
>> $member = $this->propertyMapper->convert($session->getData('member'),
>> 'My\Package\Domain\Session\Model\Member');
>>
>> but still it won't set the values from the second step of the form.
>>
>> Anyone has any ideas how to save one session model in multiple steps?
>>
>> Kind regards,
>>
>> Mark Kuiphuis

Hi Alexander,

I do agree 100% with your comment:

 > I would rather suspect there is some small logic error in your code

If I only knew what my error in logic is :-)

I will do some more debugging on this the coming week, but your comment 
about serializing and unserializing the data will give me a push in the 
right direction.

Thanks and will post an update if I got it to work :-)

Regards,

Mark