<?php
/**
 * GoodsCache.php UTF-8
 * 商品缓存
 *
 * @date    : 2018/5/7 22:44
 *
 * @license 这不是一个自由软件，未经授权不许任何使用和传播。
 * @author  : wuyonghong <wyh@huosdk.com>
 * @version : HUOSDK 8.0
 */

namespace huo\controller\shop;

use huo\controller\common\Base;
use huo\logic\shop\GoodsLogic;
use huo\model\shop\GoodsModel;
use think\Cache;

class GoodsCache extends Base {
    public static function ins() {
        return new static();
    }

    /**
     * 获取礼包KEY
     *
     * @param string $goods_id
     *
     * @return string
     */
    private function getGoodsKey($goods_id) {
        return 'goods_id_key_'.$goods_id;
    }

    /**
     * 通过商品ID 查询商品信息
     *
     * @param string $goods_id
     *
     * @return array|bool|mixed
     */
    public function getInfoByGoodsId($goods_id) {
        $_key = $this->getGoodsKey($goods_id);
        $_goods_data_json = Cache::get($_key);
        $_goods_data = json_decode($_goods_data_json, true);
        if (!is_array($_goods_data)) {
            $_goods_data = $_goods_data_json;
            if (isset($_goods_data['goods_content'])) {
                $_goods_data['goods_content'] = htmlspecialchars(
                    cmf_replace_content_file_url(htmlspecialchars_decode($_goods_data['goods_content']), true)
                );
            }
        }
        if (!is_array($_goods_data) || empty($_goods_data)) {
            $_goods_data = (new GoodsLogic())->getInfoByGoodsId($goods_id);
            if (empty($_goods_data)) {
                return false;
            }
            $this->saveGoodsCache($goods_id, $_goods_data);
        }

        return $_goods_data;
    }

    /**
     * 保存礼包cache 数据
     *
     * @param     $goods_id
     * @param     $_goods_data
     * @param int $ttl
     */
    public function saveGoodsCache($goods_id, $_goods_data, $ttl = 3600) {
        $_key = $this->getGoodsKey($goods_id);
        if (isset($_goods_data['goods_content'])) {
            $_goods_data['goods_content'] = cmf_replace_content_file_url(
                htmlspecialchars_decode($_goods_data['goods_content'])
            );
        }
        Cache::set($_key, json_encode($_goods_data), $ttl);
    }

    /**
     * 更新商品信息
     *
     * @param string $goods_id
     * @param array  $goods_data
     *
     * @return bool
     * @throws \think\Exception
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\ModelNotFoundException
     * @throws \think\exception\DbException
     */
    public function updateGoods($goods_id, $goods_data) {
        $_old_data = $this->getInfoByGoodsId($goods_id);
        $_data = $goods_data;
        if (!empty($_old_data)) {
            $_data = array_merge($_old_data, $goods_data);
            $this->saveGoodsCache($goods_id, $_data);
            $_rs = (new GoodsModel())->updateGoods($_data, $goods_id);
        } else {
            $_rs = (new GoodsModel())->addGoods($_data);
        }

        return $_rs;
    }

    /**
     *  删除礼包
     *
     * @param $goods_id
     * @param $goods_data
     *
     * @return bool
     */
    public function deleteGoods($goods_id, $goods_data) {
        $_key = $this->getGoodsKey($goods_id);
        Cache::rm($_key);
        $_rs = (new GoodsModel())->updateGoods($goods_data, $goods_id);

        return $_rs;
    }
}