<?php
namespace app\api\logic;

use app\common\logic\Basic as BasicLogic;
use app\api\model\AlbumFollow as ModelAlbumFollow;

/**
 * 关注管理
 */
class AlbumFollow extends BasicLogic
{


    protected $model = null;

    public function __construct()
    {
        parent::__construct();

        $this->model = new ModelAlbumFollow();
    }


    public function follow($user_id,$uid)
    {
        $is_follow = $this->model->where(['user_id'=>$user_id,'uid'=>$uid])->find();
        if(empty($is_follow)){
            $res = $this->model->insert(['user_id'=>$user_id,'uid'=>$uid,'create_time'=>time()]);
        }else{
            $res = $this->model->where(['user_id'=>$user_id,'uid'=>$uid])->delete();
        }
        if(!$res) fault('操作失败');
        return true;
    }

    public function getAllUids($user_id)
    {
        $uids = $this->model->where(['user_id'=>$user_id])->column('uid');
        return empty($uids) ? [] : $uids;
    }

    
}