/**
* Helper method that implements common uninstall prerequisites
*
* @param \core\plugininfo\base $pluginfo
* @return bool
*/
protected function common_uninstall_check(\core\plugininfo\base $pluginfo)
{
if (!$pluginfo->is_uninstall_allowed()) {
// The plugin's plugininfo class declares it should not be uninstalled.
return false;
}
if ($pluginfo->get_status() === static::PLUGIN_STATUS_NEW) {
// The plugin is not installed. It should be either installed or removed from the disk.
// Relying on this temporary state may be tricky.
return false;
}
if (method_exists($pluginfo, 'get_uninstall_url') and is_null($pluginfo->get_uninstall_url())) {
// Backwards compatibility.
debugging('\\core\\plugininfo\\base subclasses should use is_uninstall_allowed() instead of returning null in get_uninstall_url()', DEBUG_DEVELOPER);
return false;
}
return true;
}
