package com.dsh.guns.modular.system.controller.code;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.dsh.course.entity.AppGuideBanner;
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import com.dsh.course.entity.AppGuideConfig;
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import com.dsh.course.entity.QrLink;
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import com.dsh.course.mapper.AppGuideBannerMapper;
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import com.dsh.course.mapper.AppGuideConfigMapper;
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import com.dsh.course.mapper.QrLinkMapper;
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import com.dsh.guns.modular.system.model.TSite;
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import com.dsh.guns.modular.system.service.ITSiteService;
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import com.dsh.guns.modular.system.util.QRCodeUtil;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Controller;
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import org.springframework.web.bind.annotation.*;
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import javax.annotation.Resource;
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import javax.imageio.ImageIO;
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import javax.servlet.http.HttpServletResponse;
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import java.awt.image.BufferedImage;
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import java.io.IOException;
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import java.security.SecureRandom;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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@Controller
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@RequestMapping("/appGuide")
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public class AppGuideManagementController {
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private static final char[] CODE_CHARS = "23456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz".toCharArray();
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private final SecureRandom random = new SecureRandom();
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@Autowired
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private AppGuideConfigMapper appGuideConfigMapper;
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@Autowired
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private AppGuideBannerMapper appGuideBannerMapper;
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@Resource
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private QrLinkMapper qrLinkMapper;
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@Autowired
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private ITSiteService siteService;
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@GetMapping("")
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public String index() {
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return "/system/appGuide/appGuide.html";
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}
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@ResponseBody
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@GetMapping("/sites")
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public List<TSite> queryAvailableSites() {
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return siteService.list(new QueryWrapper<TSite>().orderByDesc("id"));
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}
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@ResponseBody
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@GetMapping("/data")
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public Map<String, Object> data() {
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Map<String, Object> r = new HashMap<>();
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r.put("config", appGuideConfigMapper.selectOne(new QueryWrapper<AppGuideConfig>().orderByDesc("id").last("limit 1")));
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r.put("banners", appGuideBannerMapper.selectList(new QueryWrapper<AppGuideBanner>().orderByDesc("sort").orderByDesc("id")));
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List<QrLink> links = qrLinkMapper.selectList(new QueryWrapper<QrLink>().eq("type", "SITE_BOOKING").orderByDesc("id"));
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List<Map<String, Object>> linkData = new ArrayList<>();
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for (QrLink link : links) {
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Map<String, Object> item = new HashMap<>();
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// Map 不会触发实体的 @JsonSerialize；雪花 ID 必须转字符串，避免前端 Number 精度丢失。
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item.put("id", String.valueOf(link.getId())); item.put("name", link.getName()); item.put("pageName", link.getPageName());
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item.put("storeId", link.getStoreId()); item.put("siteId", link.getSiteId()); item.put("shortCode", link.getShortCode());
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item.put("enabled", link.getEnabled()); item.put("guideUrl", guideUrl(link)); linkData.add(item);
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}
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r.put("links", linkData);
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return r;
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}
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@ResponseBody
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@PostMapping("/config")
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public Map<String, Object> saveConfig(AppGuideConfig config) {
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if (config.getEnabled() == null) config.setEnabled(1);
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if (config.getId() == null) {
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appGuideConfigMapper.delete(new QueryWrapper<AppGuideConfig>());
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appGuideConfigMapper.insert(config);
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} else appGuideConfigMapper.updateById(config);
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return ok();
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}
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@ResponseBody
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@PostMapping("/banner")
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public Map<String, Object> saveBanner(AppGuideBanner banner) {
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if (banner.getEnabled() == null) banner.setEnabled(1);
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if (banner.getId() == null) appGuideBannerMapper.insert(banner);
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else appGuideBannerMapper.updateById(banner);
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return ok();
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}
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@ResponseBody
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@PostMapping("/banner/delete")
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public Map<String, Object> deleteBanner(Long id) {
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appGuideBannerMapper.deleteById(id);
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return ok();
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}
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@ResponseBody
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@PostMapping("/siteQr")
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public Map<String, Object> createSiteQr(Integer storeId, Integer siteId, String name, String channel, String pageName) {
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if (storeId == null || siteId == null) return error("门店 ID 和场地 ID 必填");
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QrLink old = qrLinkMapper.selectOne(new QueryWrapper<QrLink>().eq("type", "SITE_BOOKING").eq("siteId", siteId).eq("enabled", 1).last("limit 1"));
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if (old != null) return error("该场地已有启用二维码，请先停用或使用现有二维码");
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QrLink link = new QrLink();
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link.setStoreId(storeId);
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link.setSiteId(siteId);
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link.setName(name);
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link.setChannel(channel);
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link.setPageName(pageName);
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link.setType("SITE_BOOKING");
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link.setEnabled(1);
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link.setShortCode(nextCode());
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qrLinkMapper.insert(link);
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Map<String, Object> r = ok();
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r.put("link", link);
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r.put("url", guideUrl(link));
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return r;
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}
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@ResponseBody
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@PostMapping("/siteQr/status")
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public Map<String, Object> changeStatus(Long id, Integer enabled) {
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QrLink link = new QrLink();
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link.setId(id);
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link.setEnabled(enabled);
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qrLinkMapper.updateById(link);
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return ok();
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}
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/** 逻辑删除场地订场二维码。 */
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@ResponseBody
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@PostMapping("/siteQr/delete")
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public Map<String, Object> deleteSiteQr(Long id) {
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qrLinkMapper.deleteById(id);
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return ok();
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}
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@GetMapping("/siteQr/{id}.png")
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public void qrImage(@PathVariable Long id, HttpServletResponse response) throws IOException {
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QrLink link = qrLinkMapper.selectById(id);
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if (link == null) {
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response.sendError(404);
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return;
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}
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BufferedImage image = QRCodeUtil.createImage(guideUrl(link));
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response.setContentType("image/png");
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ImageIO.write(image, "png", response.getOutputStream());
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}
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private String guideUrl(QrLink link) {
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return "https://package.daowepark.com/appdown?code=" + link.getShortCode();
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}
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private String nextCode() {
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String code;
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do {
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StringBuilder s = new StringBuilder(10);
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for (int i = 0; i < 10; i++) s.append(CODE_CHARS[random.nextInt(CODE_CHARS.length)]);
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code = s.toString();
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} while (qrLinkMapper.selectCount(new QueryWrapper<QrLink>().eq("shortCode", code)) > 0);
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return code;
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}
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private Map<String, Object> ok() {
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Map<String, Object> r = new HashMap<>();
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r.put("success", true);
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return r;
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}
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private Map<String, Object> error(String msg) {
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Map<String, Object> r = ok();
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r.put("success", false);
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r.put("message", msg);
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return r;
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}
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}
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