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aida_back/src/main/java/com/ai/da/service/GlobalAwardService.java

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package com.ai.da.service;
import com.ai.da.model.dto.ContestantDTO;
import com.ai.da.model.vo.CheckOTPVO;
import com.ai.da.model.vo.ContestantCountVO;
import com.ai.da.model.vo.PageVisitCountVO;
import org.springframework.web.multipart.MultipartFile;
import java.util.Map;
public interface GlobalAwardService {
String uploadPdf(MultipartFile file, String email) throws Exception;
String uploadVideo(MultipartFile file, String email) throws Exception;
Map<String, Object> saveContestant(ContestantDTO request);
com.ai.da.model.dto.ContestantDTO getContestantByID(String email);
void checkEmail(String email);
CheckOTPVO checkCode(String email, String otp);
void checkSecurityToken(String email, String securityToken);
/**
* 导出参赛者列表为 Excel二进制
* @return Excel 文件的字节数组
*/
byte[] exportContestants() throws Exception;
/**
* 将参赛者列表导出并保存到服务端本地目录(使用服务配置的 uploadDir/exports
*/
void saveContestantsToLocal() throws Exception;
/**
* 将参赛者文件打包为 ZIP 并返回字节数组(不落盘,直接响应给浏览器)
* @param minContestantNumber 最小参赛者编号
* @param maxContestantNumber 最大参赛者编号
* @return ZIP 文件的字节数组
*/
byte[] exportContestantFilesAsZip(Integer minContestantNumber, Integer maxContestantNumber) throws Exception;
/**
* 查询参赛者总数和最大参赛者编号
* @return 参赛者数量和最大参赛者编号
*/
ContestantCountVO getContestantCount();
/**
* 记录比赛页面的访问量
* <ul>
* <li>rawVisitCount: 每次访问或刷新都计一次(不去重)</li>
* <li>uniqueVisitCount: 5秒内刷新只算一次基于会话去重</li>
* </ul>
* @param sessionId 会话ID用于5秒去重判断
*/
void recordPageVisit(String sessionId);
/**
* 获取比赛页面的两种访问量
* @return 原始访问量和去重访问量
*/
PageVisitCountVO getPageVisitCount();
}