Filter users in a User-Post Type Relationship

This topic has 5 replies, 2 voices, and was last updated 3 years, 9 months ago by Dragan Marian.

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February 21, 2021 at 3:23 AM #24510
Dragan Marian
Participant
Hi. I have created a User / Post Type Relationship using the code below.
I would like to be able to populate the select users list only with users having a certain role.
I have browsed the docs, tried using the query args, but to no prevail.

Any suggestions for what I like to achieve?
```
function stores_to_administrators()
{
    MB_Relationships_API::register([
        'id' => 'stores_to_administrators',
        'from' => [
            'object_type' => 'post',
            'post_type' => 'store',
            'empty_message' => 'No store selected',
            'admin_column' => 'after title',
            'field' => [
                'max_clone' => 1,
            ],
        ],
        'to' => [
            'object_type' => 'user',
            'field' => [
                'max_clone' => 1,
            ],
        ],
        'label_from' => 'Administrator',
        'label_to' => 'Managed Store',
    ]);
}
```
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February 21, 2021 at 3:33 PM #24514
Long Nguyen
Moderator
Hi Dragan,

Here is the sample code:
```
     'to' => array(
            'object_type'  => 'user',
            'field' => array(
                'max_clone' => 1,
                'query_args' => array(
                    'role__in' => array( 'administrator', 'subscriber' )
                )
            )
        ),
```
Get more details on this documentation https://developer.wordpress.org/reference/functions/get_users/.

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February 21, 2021 at 3:59 PM #24515

Dragan Marian
Participant

Thank you! That works!

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February 22, 2021 at 12:38 AM #24519

Dragan Marian
Participant

While that works, when I am on the user profile, I would like to reflect that behavior here as well.
So, given that I can only add stores to administrators, I would like to only show the Relationship Metabox only for those particular roles.
Is there a way to achieve that?

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February 22, 2021 at 11:33 AM #24526
Long Nguyen
Moderator
Hi,

You can check the user role before registering the relationship, for example:
```
add_action( 'mb_relationships_init', function() {
    $user = wp_get_current_user();
    if ( in_array( 'editor', (array) $user->roles ) ) {
        MB_Relationships_API::register( [
            'id'   => 'posts_to_users',
            'from' => array(
              'object_type'  => 'post',
              'post_type'    => 'post'
            ),
            'to' => array(
              'object_type'  => 'user',
              'field' => array(
                'query_args' => array(
                    'role__in' => array( 'author', 'subscriber' )
                )
              )
            ),
        ] );
    }
} );
```
Refer to this topic: https://wordpress.stackexchange.com/questions/5047/how-to-check-if-a-user-is-in-a-specific-role

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February 22, 2021 at 5:10 PM #24530

Dragan Marian
Participant

The administrator is the one doing this changes so I'll have to check the profile he's trying to edit, not the current user. Anyway, the example was pretty straight forward. Thank you!

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