Level 55
@vable show where and how you store your session before going back
Aug 31, 2022
3
Level 5
Retrieve Session after redirect->back() on validor fails
Hello everyone ! I've an old Laravel 5.4 version with a multistep form. On each step, I validate the step and store the values of the form on the session with a specific key. Nothing is stored on the database until the final step.
eg :
[
'form' => [
'input1' => 'value1',
'input2' => 'value2',
...
]
]
The problem is when I validate the form and an error occur, I display a SweetAlert modal with the errors. It just the default redirect :
if ($validator->fails()) {
return redirect()
->back()
->withErrors($validator)
->withInput();
}
When I resubmit the form, as I retrieve the session when saving to the database, I get errors telling me that the session does not exist.
If I do a dd() of the session, yes, I no longer have the form-related session, but only the errorBag and the old values of the last step of the form.
I tried to put a Session::save() before the redirect (like I can see in this topic), but it doesn’t change anything.
Do you know how can I persist/retrieve the Session values after a redirect()->back() ? Thanks in advance for your help :)
Level 122
in your multi-step form, do you redirect to the next form or do you just return the next form at the end of the post request?
Level 5
Hey, Thanks for your responses.
It's a collection of div for each step, with a form attached for each. For the submission, I use Ajax for sending a POST request and if everything is good, I hide the step to make the next one appear.
Here an example for one step in the controller and the process function (for edit and create) :
public function processStep2Form(RequestStep2Data $request) {
$data = $request->except(['_token']);
if($request->is('requests/*')) {
if(!Session::get('edit.'.$request->id) == null) {
Session::put('edit.'.$request->id, array_merge(Session::get('edit.'.$request->id), $data));
} else {
Session::put('edit.'.$request->id, $data);
}
} else {
Session::put($data);
}
return response()->json();
}
On the last step this is a regular POST request, without Ajax. After the validation, I store the last step values on the session (eg for the edit) :
Session::put('edit.'.$request->id, array_merge(Session::get('edit.'.$request->id), $data));
And store the values on DB with a repository :
$this->requestRepository->store(Session::all());
I've a Session with my values on each step after Ajax submission (with or without fails). But on the last step, if the validator fails, everything is gone after the `redirect()→back(). I hope it's clear.
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