[Résolu] Pass CRED Fields / First Name to WooCommerce Billing_First_Name

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[Shreyas Khatri]

This is in continuation of my previous support thread which got closed due to delay in reply.
Here's the original thread:
https://toolset.com/forums/topic/pass-cred-fields-and-custom-user-fields-data-to-woocommerce-checkout/

And here is the page:
hidden link

Tell us what you are trying to do?
I've setup a membership site that charges users to become member of the website.

Is there any documentation that you are following?
I've setup the site as per the below document.
https://toolset.com/documentation/user-guides/charging-payments-with-cred-to-register-users/

1. I've installed: CRED, WooCommerce and CRED Commerce.
2. Created a virtual product
3. Created a CRED New User Creation Form
4. On Submission, the page goes to WooCommerce checkout.

Is there a similar example that we can see?

What is the link to your site?
hidden link

The CRED User form was created using Auto-Generate User Form
Then I've had Custom User Field Group with following custom fields such as:
Mobile Number, Profile Photo, Date of Birth, etc

The problem, when I submit the form and user goes to WooCommerce checkout as expected, the WooCommerce again asks for:

1. First Name (Billing_First_Name)
2. Last Name (Billing_Last_Name)
3. Telephone Number (Billing_Phone)
4. Email Id (Billing_Email)

I would want the above 4 fields to be pre-filled with the CRED User form entered in the step 1:
First Name, Last Name, Mobile Number and Email Id.

Additional notes:
There is problem on similar lines
https://toolset.com/forums/topic/user-registration-in-woocommerce/#post-572163

But the solution is doesn't fit my problem as the user won't be created till the woocommerce checkout process is complete.

I'm sure the CRED saves the data somewhere in the interim before it goes to WooCommerce Checkout. The above functionality is very important from user experience perspective.

It will be great if someone from the team get dig deeper into this and provide a work-around.

[Christian Cox]

But the solution is doesn't fit my problem as the user won't be created till the woocommerce checkout process is complete.
Modifying the Checkout page to use user-defined values isn't something we are able to help with here in the forums. CRED Commerce can add an item to your cart and redirect you to the standard Checkout page, but not modify the Checkout page programmatically. These fields on the Checkout page are controlled by WooCommerce, and the values displayed in the fields are determined by WooCommerce code. You'll need to override these values somehow, and I'm not sure if or how it can be done.

If you're able to determine how to predefine some values for these fields without a User already created in the database, I'll be glad to take a look and determine what we can do to help you access user-supplied values from the CRED Commerce form on the Checkout page. You may need to ask for assistance in the WooCommerce support forums to determine how to predefine these values, using PHP, without a current User saved in the database yet.

If you are able to contact WooCommerce support, I would ask them:
"How can I use PHP to predefine the values for first name, last name, email, and telephone number inputs on the Checkout page if the current user is a guest? Are any filters available to populate these inputs? Can you provide sample PHP code?"

If you can provide me with some sample code, I'll take a look.

[Shreyas Khatri]

Hi Christian,

It is very much possible to manipulate default WooCommerce checkout values using a filter.

Here's a sample code and reference site:

add_filter( 'woocommerce_checkout_fields' , 'kia_checkout_field_defaults', 20 );
function kia_checkout_field_defaults( $fields ) {
    $user = wp_get_current_user();
    $first_name = $user ? $user->user_firstname : '';
    $fields['billing']['billing_first_name']['placeholder'] = 'First Name';
    $fields['billing']['billing_first_name']['default'] = $first_name;
    return $fields;
}

Source: https://stackoverflow.com/questions/39922747/woocommerce-set-billing-field-value

Although the above code is for registered users, all we need to now do is fetch the values temporarily saved by CRED form before it creates user. I'm sure CRED must be holding this values somewhere, either as a draft post or something equivalent.

I trust my logic make sense.

[Christian Cox]

Here's the documentation for the CRED Commerce API cred_commerce_form_action:
https://toolset.com/documentation/programmer-reference/cred-commerce-api/#cred_commerce_form_action

Within the callback function, you will have access to anything captured by the form in the $_POST superglobal. You can use that information to construct a checkout URL with custom URL parameters, then trigger a redirect to the custom URL - something like

yoursite.com/checkout?first=John&last=Smith&address=123&email=abc

Then in your filter, you can access those variables from the $_GET superglobal. Here's a very simple example:

add_action('cred_commerce_form_action', 'my_commerce_form_action',10,4);
function my_commerce_form_action( $action, $form_id, $post_id, $form_data ) {
  if ($form_id == 1234)
  {    
    // uncomment next line to inspect the entire post object using server logs.
    // error_log(print_r($_POST, true));
    $first = $_POST['first_name'];
    // ...
    // get the 3 other parameters from the POST object and add them here
    // ...
    wp_redirect( '/checkout?first=' . $first); // add all 4 parameters to the URL string here
    exit();
  }
}

Then in your filter, you should be able to access the URL parameters in the $_GET superglobal:

add_filter( 'woocommerce_checkout_fields' , 'kia_checkout_field_defaults', 20 );
function kia_checkout_field_defaults( $fields ) {
    $first_name = isset($_GET['first']) ? $_GET['first'] : '';
    $fields['billing']['billing_first_name']['placeholder'] = 'First Name';
    $fields['billing']['billing_first_name']['default'] = $first_name;
    return $fields;
}

[Shreyas Khatri]

Dear Christian,

This worked like a charm. Exactly what I wanted to accomplish. PFA screenshot. This was a very important missing piece for this project as well as future projects that I plan to work on CRED+CRED Commerce.

Thanks once again. Really appreciate it.

[Gavin]

Thanks for this. I encountered this exact same issue today. It feels like it's a two step process - two forms rather than just one. Does CRED have to be used because WooCommerce is unable to create users of the required role type? e.g. only Customer.

It'd be useful to document exactly how you implemented this step by step for those that don't know how to do it - please?