package com.ruoyi.collaborativeApproval.service.impl;
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import com.baomidou.mybatisplus.core.metadata.IPage;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.ruoyi.collaborativeApproval.dto.NoticeDTO;
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import com.ruoyi.collaborativeApproval.mapper.NoticeMapper;
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import com.ruoyi.collaborativeApproval.pojo.Notice;
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import com.ruoyi.collaborativeApproval.service.NoticeService;
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import lombok.AllArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.BeanUtils;
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import org.springframework.stereotype.Service;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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import java.util.stream.Collectors;
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@Service
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@Slf4j
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@AllArgsConstructor
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public class NoticeServiceImpl extends ServiceImpl<NoticeMapper, Notice> implements NoticeService {
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private final NoticeMapper noticeMapper;
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@Override
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public IPage<NoticeDTO> listPage(Page page, NoticeDTO noticeDTO) {
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IPage<NoticeDTO> noticeDTOIPage = noticeMapper.listPage(page, noticeDTO);
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noticeDTOIPage.getRecords().forEach(item -> {
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// 根据过期时间判断statusName
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if (item.getExpirationDate() == null) {
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item.setStatusName("未知");
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}else if(item.getExpirationDate().getTime() < System.currentTimeMillis()){
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item.setStatusName("已过期");
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} else{
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item.setStatusName("正常");
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}
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});
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return noticeDTOIPage;
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}
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@Override
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public List<NoticeDTO> selectCount() {
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List<Notice> noticesList = noticeMapper.selectList(null);
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Map<String, Notice> uniqueByType = noticesList.stream()
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.collect(Collectors.toMap(
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Notice::getType,
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n -> n,
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(existing, replacement) -> existing
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));
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List<Notice> notices = new ArrayList<>(uniqueByType.values());
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Map<String, Long> countMap = noticesList.stream().collect(Collectors.groupingBy(Notice::getType, Collectors.counting()));
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List<NoticeDTO> result = new ArrayList<>();
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for (Notice notice : notices) {
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NoticeDTO notice1 = new NoticeDTO();
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BeanUtils.copyProperties(notice, notice1);
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if (countMap.containsKey(notice.getType())) {
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notice1.setCount(countMap.get(notice.getType()) == null ? 0 : countMap.get(notice.getType()));
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}
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result.add(notice1);
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}
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return result;
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}
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}
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