/** Static: saves the blob for the given object ('id') under the given name. */
function saveBlob($id, $name, $blob)
{
$obj = new sotf_Blob();
//debug("saving blob", substr($blob, 0, 40));
$obj->set('object_id', $id);
$obj->set('name', $name);
$obj->find();
$obj->set('data', $blob);
if ($obj->exists()) {
if ($blob) {
$obj->update();
} else {
$obj->delete();
}
} else {
if ($blob) {
$obj->create();
}
// else nothing to do!
}
}