function _send_message($user_id, $model)
{
//create new conservation
$conservation = new MM_Conversation_Model();
$conservation->status = MM_Message_Status_Model::STATUS_UNREAD;
$conservation->save();
//save message
$m = new MM_Message_Model();
$m->import($model->export());
$m->send_to = $user_id;
$m->conversation_id = $conservation->id;
$m->status = MM_Message_Model::UNREAD;
$m->save();
//update index
$conservation->update_index($m->id);
do_action('mm_message_sent', $m);
//update status
$model = new MM_Message_Status_Model();
$model->user_id = $user_id;
$model->conversation_id = $conservation->id;
$model->status = MM_Message_Status_Model::STATUS_UNREAD;
$model->type = MM_Message_Status_Model::TYPE_CONVERSATION;
$model->save();
//we need both for each sender & reciver
$model = new MM_Message_Status_Model();
$model->user_id = get_current_user_id();
$model->conversation_id = $conservation->id;
//because we send so status should be read
$model->status = MM_Message_Status_Model::STATUS_READ;
$model->type = MM_Message_Status_Model::TYPE_CONVERSATION;
$model->save();
}
