/**
* Returns true if and only if the assertion conditions are met
*
* This method is passed the ACL, Role, Resource, and privilege to which
* the authorization query applies. If the $role, $resource, or $privilege
* parameters are null, it means that the query applies to all Roles,
* Resources, or privileges, respectively.
*
* @param Zend_Acl $acl
* @param Zend_Acl_Role_Interface $role
* @param Zend_Acl_Resource_Interface $resource
* @param string $privilege
* @return boolean
*/
public function assert(Zend_Acl $acl, Zend_Acl_Role_Interface $role = null, Zend_Acl_Resource_Interface $resource = null, $privilege = null)
{
switch (true) {
case $resource instanceof CommercialGroupModel:
//return the restricted boolean value of the commercial group
return $resource->getRestricted();
}
}