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I'm willing to override a value before it get saved in database. The same value is already overriden by commons_trusted_contacts module using hook_node_presave.
So my custom module hook_node_presave get overriden by commons_trusted_contacts_node_presave.
How do I let drupal know that he need to run my custom hook_node_presave after other hook node presave or to not override that single field value.
Below line being overridden :
$wrapper->group_content_access->set(OG_CONTENT_ACCESS_PUBLIC);
The order of a module's hook invocation is determined by its weight. In Drupal 7 this set in the weight column in the system table.
This can be updated through SQL query by setting your module's weight to the heaviest (last) value.
# Update with the appropriate values for your install
drush sqlq "UPDATE {system} SET weight = [your_preferred_weight] WHERE type = 'module' AND name = '[your_module_name]"'
Or using a module like Modules weight if you need a UI.
See the Drupal.org documentation for more info..
Thanks for pointing drupal.org documentation, It's was helpfull.
I ended up using hook_module_implements_alter which better suited to my situation than changing the module weight.
So I've changed the order in which my hooks are triggered than changing module weight.
/**
* Implements hook_module_implements_alter
*/
function glue_site_module_implements_alter(&$implementations, $hook) {
if (($hook == 'node_presave') && isset($implementations['my_module'])) {
//dpm($implementations, 'before');
$module = 'my_module';
$group = array($module => $implementations[$module]);
unset($implementations[$module]);
$implementations = $implementations + $group;
}
}
Reading Adjusting module weight: what are the risks and things to look out for? also helped me to understand behavior of changing module weight.
