18
Dec.2017
Drupal 10: How update an alias programmatically using a value from the field
When you use the "pathauto" module, and want to make the node's URL depends on your custom field you can create a pattern using a token, for example, [node:field_private:value] and the total pattern will look like articles/[node:field_private:value]/[node:title]. However, what can you do if the field is boolean but you want to make a human path/alias? In this case, you can implement it programmatically and alter using hook_pathauto_alias_alter.
File
YOURMODULE.module
/** * Implements hook_pathauto_alias_alter(). */ function YOURMODULE_pathauto_alias_alter(&$alias, array &$context) { if ($context['module'] != 'node') { return; } /** @var \Drupal\node\NodeInterface $node */ $node = $context['data']['node']; if ($node->hasField('field_private')) { if ($node->get('field_private')->getString() == 1) { $alias = '/for-members' . $alias; } else { $alias = '/public' . $alias; } } }
In the example, we are assuming your site has field_private. You can change this part of the code to your field's name.
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