package com.ruoyi.account.util;
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import cn.hutool.core.date.DateTime;
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import cn.hutool.core.date.DateUtil;
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import com.ruoyi.account.api.model.TAppUserSign;
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import com.ruoyi.account.service.TAppUserSignService;
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import org.springframework.stereotype.Component;
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import javax.annotation.Resource;
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import java.time.LocalDate;
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import java.util.Date;
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import java.util.List;
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import java.util.stream.Collectors;
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@Component
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public class SignDayUtil {
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// 假设这是你的 signService 接口或者实现类
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@Resource
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private TAppUserSignService signService;
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/**
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* 计算用户的最近连续签到天数
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* @param userId 用户ID
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* @return 连续签到的最大天数
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*/
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public int calculateContinuousSignDays(Long userId) {
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DateTime startOfMonth = DateUtil.beginOfMonth(new Date());
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DateTime endOfMonth = DateUtil.endOfMonth(new Date());
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// 获取用户的所有签到记录
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List<TAppUserSign> signRecords = signService.lambdaQuery()
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.between(TAppUserSign::getSignDay, startOfMonth, endOfMonth)
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.eq(TAppUserSign::getAppUserId, userId)
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.orderByDesc(TAppUserSign::getSignDay)
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.list();
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// 如果没有签到记录，则返回0
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if (signRecords.isEmpty()) {
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return 0;
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}
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// 将签到日期转换为 LocalDate 列表，并按照日期排序
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List<LocalDate> signDays = signRecords.stream()
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.map(TAppUserSign::getSignDay)
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.sorted()
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.collect(Collectors.toList());
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// 计算连续签到的最大天数
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return calculateMaxContinuousSignDays(signDays);
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}
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/**
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* 根据签到日期列表计算连续签到的最大天数
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* @param signDays 签到日期列表
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* @return 最大连续签到天数
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*/
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private int calculateMaxContinuousSignDays(List<LocalDate> signDays) {
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int maxContinuousDays = 0;
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int currentContinuousDays = 0;
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LocalDate lastSignDay = null;
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for (LocalDate signDay : signDays) {
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if (lastSignDay != null && signDay.equals(lastSignDay.plusDays(1))) {
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currentContinuousDays++;
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} else {
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maxContinuousDays = Math.max(maxContinuousDays, currentContinuousDays);
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currentContinuousDays = 1;
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}
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lastSignDay = signDay;
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}
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// 更新最后的连续天数
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maxContinuousDays = Math.max(maxContinuousDays, currentContinuousDays);
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return currentContinuousDays;
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}
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}
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