ListScreenPermissionTrait.php
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<?php
namespace AC\ListScreenRepository;
use AC\Capabilities;
use AC\ListScreen;
use WP_User;
trait ListScreenPermissionTrait {
public function user_can_view_list_screen( ListScreen $list_screen, WP_User $user, bool $allow_admin = true ): bool {
if ( $allow_admin && user_can( $user, Capabilities::MANAGE ) ) {
return true;
}
$user_ids = $list_screen->get_preference( 'users' );
$roles = $list_screen->get_preference( 'roles' );
$user_ids = is_array( $user_ids )
? array_map( 'intval', $user_ids )
: [];
if ( ! $user_ids && ! $roles ) {
return true;
}
if ( $roles && is_array( $roles ) ) {
foreach ( $roles as $role ) {
if ( $user->has_cap( $role ) ) {
return true;
}
}
}
return $user_ids && in_array( $user->ID, $user_ids, true );
}
}