/**
* 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)
{
// We need specific objects to check against each other
if (NULL === $role || NULL === $resource) {
return false;
}
// Ensure we're handled User models
if (!$role instanceof Model\UserModel) {
throw new Exception('Role must be an instance of UserModel');
}
switch (true) {
case $resource instanceof \Application\Model\Organization\OrgServiceProviderModel:
case $resource instanceof \Application\Model\Organization\OrgCustomerModel:
return $resource->getSubscriptionCount() === 0;
default:
throw new Exception('Resource must be an instance of OrgServiceProviderModel or OrgCustomerModel');
}
}