<?php

/**
 * Created by PhpStorm.
 * User: stanley-king
 * Date: 16/6/23
 * Time: 下午4:26
 */

require_once (BASE_ROOT_PATH . '/helper/relation/mem_relation.php');
require_once (BASE_ROOT_PATH . '/helper/algorithm.php');

class relation_helper
{
    static public function onLogin($member_id) {
        $relation = new relation\mem_relation($member_id);
        $relation->pass_subscribe();
    }

    static public function onRegister($member_id) {
        $relation = new relation\mem_relation($member_id);
        $relation->pass_subscribe();
    }

    static public function onUpContacts($member_id,$contacts) {
        $relation = new relation\mem_relation($member_id);
        $relation->subscribe_contacts($contacts);
    }

    static public function onSubscribe($me_id,$someone_id) {
        if($me_id == $someone_id) {
            return false;
        }
        $relation = new relation\mem_relation($me_id);
        return $relation->subscribe($someone_id);
    }

    static public function onUnSubscribe($me_id,$someone_id) {
        if($me_id == $someone_id) {
            return false;
        }
        $relation = new relation\mem_relation($me_id);
        return $relation->unsubscribe($someone_id);
    }

    static public function subscriber($member_id) {
        $relation = new relation\mem_relation($member_id);
        return $relation->subscriber();
    }

    static public function follower($member_id) {
        $relation = new relation\mem_relation($member_id);
        return $relation->follower();
    }

    static public function friends($member_id) {
        $relation = new relation\mem_relation($member_id);
        $subscriber = $relation->subscriber();
        $follower = $relation->follower();

        return array_merge($subscriber,$follower);
    }
}