/*
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* Copyright (c) 2018-2999 广州市蓝海创新科技有限公司 All rights reserved.
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*
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* https://www.mall4j.com/
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*
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* 未经允许，不可做商业用途！
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*
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* 版权所有，侵权必究！
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*/
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package com.yami.shop.api.controller;
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import cn.hutool.json.JSONObject;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.yami.shop.bean.model.QrcodeTicket;
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import com.yami.shop.common.exception.YamiShopBindException;
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import com.yami.shop.common.response.ServerResponseEntity;
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import com.yami.shop.common.util.IdUtil;
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import com.yami.shop.config.WxConfig;
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import com.yami.shop.service.QrcodeTicketService;
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import io.swagger.v3.oas.annotations.tags.Tag;
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import io.swagger.v3.oas.annotations.Parameter;
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import io.swagger.v3.oas.annotations.Parameters;
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import io.swagger.v3.oas.annotations.Operation;
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import lombok.AllArgsConstructor;
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import me.chanjar.weixin.common.error.WxErrorException;
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import org.springframework.core.io.FileSystemResource;
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import org.springframework.http.MediaType;
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import org.springframework.http.ResponseEntity;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RestController;
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import java.io.File;
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import java.util.Date;
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import java.util.Objects;
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/**
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* 二维码数据信息
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*
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* @author LGH
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* @date 2020-03-12 16:29:39
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*/
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@RestController
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@AllArgsConstructor
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@RequestMapping("/qrcodeTicket" )
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@Tag(name = "二维码数据")
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public class QrcodeTicketController {
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private final QrcodeTicketService qrcodeTicketService;
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private final WxConfig wxConfig;
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private final IdUtil idUtil;
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@GetMapping("/miniQrCode")
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@Operation(summary = "获取小程序二维码", description ="获取小程序二维码，返回二维码图片流，小程序跳到二维码的页面之后，" +
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"需要根据获取的scene请求获取线上保存的content，为什么要这么麻烦，以为scene的内容有限，只能在数据库保存")
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@Parameters({
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@Parameter(name = "content", description = "要保存的内容" , required = true),
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@Parameter(name = "type", description = "类型：1. 小程序团购商品 2.小程序分销商品二维码" , required = true)
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})
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public ResponseEntity<FileSystemResource> save(String content, Integer type) throws WxErrorException {
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String page;
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if(Objects.equals(type, 1) || Objects.equals(type, 2)) {
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page = "pages/prod/prod";
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} else {
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// 无法获取页面信息
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throw new YamiShopBindException("yami.unable.get.page");
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}
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JSONObject jsonObject = new JSONObject();
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jsonObject.set("type", type);
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jsonObject.set("content", content);
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String ticket = idUtil.nextShortId();
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QrcodeTicket qrcodeTicket = new QrcodeTicket();
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qrcodeTicket.setContent(jsonObject.toString());
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qrcodeTicket.setCreateTime(new Date());
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qrcodeTicket.setType(type);
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qrcodeTicket.setTicket(ticket);
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qrcodeTicket.setTicketUrl(page);
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qrcodeTicketService.save(qrcodeTicket);
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File file = wxConfig.getWxMaService().getQrcodeService().createWxaCodeUnlimit(ticket, page);
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return ResponseEntity
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.ok()
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.contentLength(file.length())
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.contentType(MediaType.IMAGE_PNG)
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.body(new FileSystemResource(file));
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}
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@GetMapping("/getContent")
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@Operation(summary = "根据Ticket获取保存的内容" , description = "小程序里的scene就是你要的Ticket")
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@Parameters({
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@Parameter(name = "ticket", description = "小程序里的scene就是你要的Ticket" , required = true)
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})
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public ServerResponseEntity<QrcodeTicket> getContent(String ticket) {
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QrcodeTicket qrcodeTicket = qrcodeTicketService.getOne(new LambdaQueryWrapper<QrcodeTicket>().eq(QrcodeTicket::getTicket, ticket));
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if (qrcodeTicket == null) {
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// 二维码已过期
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throw new YamiShopBindException("yami.constant.code.expire");
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}
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if (qrcodeTicket.getExpireTime() !=null
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&& qrcodeTicket.getExpireTime().getTime() < System.currentTimeMillis()) {
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throw new YamiShopBindException("yami.constant.code.expire");
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}
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return ServerResponseEntity.success(qrcodeTicket);
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}
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}
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