<?php

namespace App\Service\v3\Implementations;
use App\Service\v3\Interfaces\CollectStoreServiceInterface;
use App\Constants\v3\SsdbKeys;
use App\TaskWorker\SSDBTask;
use Hyperf\Utils\ApplicationContext;

class CollectStoreService implements CollectStoreServiceInterface
{
    public function do($userId,$storeId)
    {
        $ssdb = ApplicationContext::getContainer()->get(SSDBTask::class);
        //收藏店铺
        $userSet = $ssdb->exec('set', SsdbKeys::COLLECT_STORE_USER.$userId.'_store_'.$storeId,time());
        //用户收藏数量自增
        $userIncr = $ssdb->exec('incr', SsdbKeys::COLLECT_STORE_NUM_USER.$userId,1);
        //店铺被收藏数自增
        $storeIncr = $ssdb->exec('incr', SsdbKeys::COLLECT_NUM_STORE.$storeId,1);
        return $userSet && $userIncr && $storeIncr;
    }

    public function check($userId,$storeId)
    {
        $ssdb = ApplicationContext::getContainer()->get(SSDBTask::class);
        return $ssdb->exec('exists', SsdbKeys::COLLECT_STORE_USER.$userId.'_store_'.$storeId);
    }

    public function undo($userId,$storeId)
    {
        $ssdb = ApplicationContext::getContainer()->get(SSDBTask::class);
        //取消收藏店铺
        $userDel = $ssdb->exec('del', SsdbKeys::COLLECT_STORE_USER.$userId.'_store_'.$storeId,time());
        //用户收藏数量自减
        $userIncr = $ssdb->exec('incr', SsdbKeys::COLLECT_STORE_NUM_USER.$userId,'-1');
        //店铺被收藏数自减
        $storeIncr = $ssdb->exec('incr', SsdbKeys::COLLECT_NUM_STORE.$userId,'-1');
        return $userDel && $userIncr && $storeIncr;
    }

    public function countByUser($userId)
    {
        $ssdb = ApplicationContext::getContainer()->get(SSDBTask::class);
        $num = $ssdb->exec('get',SsdbKeys::COLLECT_STORE_NUM_USER.$userId);
        return $num;
    }

    public function countByStore($storeId)
    {
        $ssdb = ApplicationContext::getContainer()->get(SSDBTask::class);
        $num = $ssdb->exec('get',SsdbKeys::COLLECT_NUM_STORE.$storeId);
        return $num;
    }
}