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Cascading deletion for user_group; doesn't yet work properly with caching.

This commit is contained in:
Brion Vibber 2010-10-12 16:13:07 -07:00
parent f4f16af8ac
commit 3579ccac8e
1 changed files with 32 additions and 0 deletions
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32
classes/User_group.php
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@ -547,4 +547,36 @@ class User_group extends Memcached_DataObject
$group->query('COMMIT');
return $group;
}
/**
* Handle cascading deletion, on the model of notice and profile.
*
* Pretty sure some caching won't get handled properly here.
*/
function delete()
{
if ($this->id) {
$related = array('Group_inbox',
'Group_alias',
'Group_block',
'Group_member',
'Local_group',
'Related_group',
);
Event::handle('UserGroupDeleteRelated', array($this, &$related));
foreach ($related as $cls) {
$inst = new $cls();
$inst->group_id = $this->id;
$inst->delete();
}
$inst = new Related_group();
$inst->related_group_id = $this->id;
$inst->delete();
} else {
common_log(LOG_WARN, "Ambiguous user_group->delete(); skipping related tables.");
}
parent::delete();
}
}