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I have a content type that requires me to assemble a URL from several sources - the node title, a taxonomy value, and some fields of a product that are referenced from a product display that this content type references. So:

mynode type
- title
- taxonomy value
- entity ref -> product display -> product field

The entity ref can have one or more products, so there is some logic I need to crunch to assemble the right URL. I didn't have luck doing this through pathauto, so it looks like I need to handle this on hook_node_presave(), which does set my alias, but I get a 404 on that alias, so it seems I'm missing a step.

My code is:

mymodule_node_presave($node) {
    if (empty($node->path['alias'])) {
        $node->path['alias'] = _some_fx_that_figures_out_url();
        $node->path['pid'] = 0;  
        $node->path['language'] = LANGUAGE_NONE;  
    }
}

I guess I'm missing something?

1

This seems to be a duplicate of this issue

Try using hook_node_insert($node) for new content and/or hook_node_update($node) for existing content:

function mymodule_node_insert($node) {
  if ($node->type == 'mytype') {
    $node->path['alias'] = _some_awesome_pattern_maker($node);
  }
}

function mymodule_node_update($node) {
  if ($node->type == 'mytype') {
    $node->path['alias'] = _some_awesome_pattern_maker($node);
  }
}

_some_awesome_pattern_maker($node) {
  // massage node and return string
}
|improve this answer|||||
  • For what it's worth, I needed to do the same thing WITH Pathauto, like: function mymodule_pathauto_alias_alter(&$alias, array &$context) { if (isset($context['data']['node']) && $context['data']['node']->type == 'my_content_type') { $node = $context['data']['node']; $alias = _awesome_alias_maker($node); } } – Nels Jun 20 '14 at 1:28
  • That doesn't work. My alias does display in my node edit page, but I get a 404. When I look at my node in devel, I don't have an alias value set, but I do have a pid value set. – vintorg Jun 20 '14 at 1:47
  • Can you provide an example of what your pattern-maker function returns? I just tried hook_node_presave($node) on my local dev box and it seemed to behave as expected, and I did not get a 404 trying the url. Does there happen to be anything helpful in the logs regarding the 404? Perhaps the symptom is misleading. – Nels Jun 20 '14 at 2:16
  • It looks like I wasn't setting the language val. When I set it in the DB, it works. Investigating further... – vintorg Jun 20 '14 at 2:18
  • I can't seem to get the language value set in my path array. It makes the entry into the aliases table, but doesn't set the language. When I go set the language (in my case, 'und') by hand, it works. I need to figure out why the language val isn't being set in the aliases table. – vintorg Jun 20 '14 at 15:12

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