fire_point/src/main/java/com/xkrs/straw/utils/FirePointQueryManager.java

package com.xkrs.straw.utils;

import com.xkrs.straw.dao.FirePointOrdinaryDao;
import com.xkrs.straw.dao.FirePointPreciseDao;
import com.xkrs.straw.model.bean.FirePointQueryResultBean;
import com.xkrs.straw.model.bean.VipTimeRangeBean;
import com.xkrs.straw.model.entity.FirePointOrdinaryEntity;
import com.xkrs.straw.model.entity.FirePointPreciseEntity;
import com.xkrs.straw.model.entity.SysUserEntity;
import com.xkrs.straw.model.vo.AllFirePointVo;
import com.xkrs.utils.DateTimeUtil;
import com.xkrs.utils.DateTimeUtils;
import com.xkrs.utils.FirePointCodeUtils;
import org.apache.hc.core5.util.TextUtils;
import org.springframework.data.domain.Sort;
import org.springframework.data.jpa.domain.Specification;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;
import javax.persistence.criteria.Predicate;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;
import java.util.stream.Collectors;

@Component
public class FirePointQueryManager {

    @Resource
    private FirePointOrdinaryDao firePointOrdinaryDao;

    @Resource
    private FirePointPreciseDao firePointPreciseDao;

    public FirePointQueryResultBean queryFirePointBelongToUser(SysUserEntity sysUserEntity, String startTime, String endTime, String satelliteType, String landType) {

        String mNoRedundantUserCode = null;
        final List<VipTimeRangeBean.VipTimeRangeItemBean> mVipTimeRangeItemList = new ArrayList<>();
        try {
            //获取用户注册的区划编码
            String userCode = sysUserEntity.getCountyCode();
            //如果用户注册的区划编码是空，就返回失败
            if (TextUtils.isEmpty(userCode)) {
                return new FirePointQueryResultBean(false, "User CountyCode Error 1, userCode = " + userCode, null);
            }
            //对用户区划编码进行格式化，获得没有冗余数据的区划编码
            String noRedundantUserCode = FirePointCodeUtils.getFormatCutCode(userCode);
            //如果格式化后的用户区划编码是空，就返回失败
            if (TextUtils.isEmpty(noRedundantUserCode)) {
                return new FirePointQueryResultBean(false, "User CountyCode Error 2, userCode = " + userCode + ", noRedundantUserCode = " + noRedundantUserCode, null);
            }

            //获取用户的VIP时间范围
            String vipTimeRangeJson = sysUserEntity.getVipTimeRangeJson();
            //如果用户的VIP时间范围数据是空，就返回失败
            if (TextUtils.isEmpty(vipTimeRangeJson)) {
                return new FirePointQueryResultBean(false, "User VipTimeRangeJson Error 1, vipTimeRangeJson = " + vipTimeRangeJson, null);
            }
            //反序列化用户的VIP时间范围，得到对象
            VipTimeRangeBean vipTimeRangeBean = JsonUtils.deserialize(vipTimeRangeJson, VipTimeRangeBean.class);
            //用户注册时有初始VIP时间范围，反序列化失败或无数据，说明该用户的数据发生了异常，返回失败
            if (vipTimeRangeBean == null || vipTimeRangeBean.getList() == null || vipTimeRangeBean.getList().size() == 0) {
                return new FirePointQueryResultBean(false, "User VipTimeRangeJson Error 2, 已保存的VIP时间范围反序列化失败,  vipTimeRangeJson = " + vipTimeRangeJson, null);
            }

            //得到由<开始时间 + 结束时间>组成的集合
            List<VipTimeRangeBean.VipTimeRangeItemBean> vipTimeRangeItemList = vipTimeRangeBean.getList();
            for (VipTimeRangeBean.VipTimeRangeItemBean vipTimeRangeItemA : vipTimeRangeItemList) {
                //校验用户VIP开始时间合法性
                if (!DateTimeUtil.isValidDateTime(vipTimeRangeItemA.getStartTime())) {
                    return new FirePointQueryResultBean(false, "User VIP 开始时间格式不合法1, StartTime = " + vipTimeRangeItemA.getStartTime(), null);
                }
                //校验用户VIP结束时间合法性
                if (!DateTimeUtil.isValidDateTime(vipTimeRangeItemA.getEndTime())) {
                    return new FirePointQueryResultBean(false, "User VIP 结束时间格式不合法2, EndTime = " + vipTimeRangeItemA.getEndTime(), null);
                }
                LocalDateTime userStartLocalDateTimeA = LocalDateTime.parse(vipTimeRangeItemA.getStartTime(), DateTimeUtils.DATE_TIME_FORMATTER_1);
                LocalDateTime userEndLocalDateTimeA = LocalDateTime.parse(vipTimeRangeItemA.getEndTime(), DateTimeUtils.DATE_TIME_FORMATTER_1);
                for (VipTimeRangeBean.VipTimeRangeItemBean vipTimeRangeItemB : vipTimeRangeItemList) {
                    if (vipTimeRangeItemA != vipTimeRangeItemB) {
                        //校验用户VIP开始时间合法性
                        if (!DateTimeUtil.isValidDateTime(vipTimeRangeItemB.getStartTime())) {
                            return new FirePointQueryResultBean(false, "User VIP 开始时间格式不合法3, StartTime = " + vipTimeRangeItemB.getStartTime(), null);
                        }
                        //校验用户VIP结束时间合法性
                        if (!DateTimeUtil.isValidDateTime(vipTimeRangeItemB.getEndTime())) {
                            return new FirePointQueryResultBean(false, "User VIP 结束时间格式不合法4, EndTime = " + vipTimeRangeItemB.getEndTime(), null);
                        }
                        LocalDateTime userStartLocalDateTimeB = LocalDateTime.parse(vipTimeRangeItemB.getStartTime(), DateTimeUtils.DATE_TIME_FORMATTER_1);
                        LocalDateTime userEndLocalDateTimeB = LocalDateTime.parse(vipTimeRangeItemB.getEndTime(), DateTimeUtils.DATE_TIME_FORMATTER_1);
                        //校验用户VIP开始结束时间是否存在交叉现象
                        if (userStartLocalDateTimeB.isBefore(userStartLocalDateTimeA) && userEndLocalDateTimeB.isAfter(userStartLocalDateTimeA)) {
                            return new FirePointQueryResultBean(false, "User VIP 开始结束时间格式不合法5, 存在交叉现象", null);
                        }
                        if (userStartLocalDateTimeB.isBefore(userEndLocalDateTimeA) && userEndLocalDateTimeB.isAfter(userEndLocalDateTimeA)) {
                            return new FirePointQueryResultBean(false, "User VIP 开始结束时间格式不合法6, 存在交叉现象", null);
                        }
                    }
                }
            }
            mNoRedundantUserCode = noRedundantUserCode;
            mVipTimeRangeItemList.addAll(vipTimeRangeItemList);

        } catch (Exception e) {
            e.printStackTrace();
            return new FirePointQueryResultBean(false, e.getMessage(), null);
        }

        final String finalMNoRedundantUserCode = mNoRedundantUserCode;
        //查询未审核的普通火点
        Specification<FirePointOrdinaryEntity> specificationOrdinary = (root, criteriaQuery, criteriaBuilder) -> {
            List<Predicate> predicateList = new ArrayList<>();
            //添加区划编码的过滤
            predicateList.add(criteriaBuilder.like(root.get("townCode").as(String.class), finalMNoRedundantUserCode + "%"));
            for (VipTimeRangeBean.VipTimeRangeItemBean vipTimeRangeItem : mVipTimeRangeItemList) {
                String userStartTime = vipTimeRangeItem.getStartTime();
                String userEndTime = vipTimeRangeItem.getEndTime();
                //早于（不包含）VIP开始时间
                Predicate beforeStartTimePredicate = criteriaBuilder.lessThan(root.get("satelliteTime").as(String.class), userStartTime);
                //晚于（不包含）VIP结束时间
                Predicate afterEndTimePredicate = criteriaBuilder.greaterThan(root.get("satelliteTime").as(String.class), userEndTime);
                predicateList.add(criteriaBuilder.or(beforeStartTimePredicate, afterEndTimePredicate));
            }
            return criteriaBuilder.and(predicateList.toArray(new Predicate[predicateList.size()]));
        };
        //未审核的普通火点列表
        List<FirePointOrdinaryEntity> firePointOrdinaryList = firePointOrdinaryDao.findAll(specificationOrdinary, Sort.by(Sort.Direction.DESC, "satelliteTime"));


        //查询审核通过的精准火点
        Specification<FirePointPreciseEntity> specificationPrecise = (root, criteriaQuery, criteriaBuilder) -> {
            List<Predicate> predicateList = new ArrayList<>();
            //添加区划编码的过滤
            predicateList.add(criteriaBuilder.like(root.get("townCode").as(String.class), finalMNoRedundantUserCode + "%"));
            for (VipTimeRangeBean.VipTimeRangeItemBean vipTimeRangeItem : mVipTimeRangeItemList) {
                String userStartTime = vipTimeRangeItem.getStartTime();
                String userEndTime = vipTimeRangeItem.getEndTime();
                //晚于（包含）VIP开始时间
                Predicate beforeStartTimePredicate = criteriaBuilder.greaterThanOrEqualTo(root.get("satelliteTime").as(String.class), userStartTime);
                //早于（包含）VIP结束时间
                Predicate afterEndTimePredicate = criteriaBuilder.lessThanOrEqualTo(root.get("satelliteTime").as(String.class), userEndTime);
                predicateList.add(criteriaBuilder.and(beforeStartTimePredicate, afterEndTimePredicate));
            }
            return criteriaBuilder.and(predicateList.toArray(new Predicate[predicateList.size()]));
        };
        //审核通过的精准火点列表
        List<FirePointPreciseEntity> firePointPreciseList = firePointPreciseDao.findAll(specificationPrecise, Sort.by(Sort.Direction.DESC, "satelliteTime"));

        //将两种数据来源的火点合并到一起
        List<AllFirePointVo> resultList = new ArrayList<>();
        for (FirePointOrdinaryEntity firePointOrdinaryEntity : firePointOrdinaryList) {
            resultList.add(FirePointConvertUtils.convert(firePointOrdinaryEntity));
        }
        for (FirePointPreciseEntity firePointPreciseEntity : firePointPreciseList) {
            resultList.add(FirePointConvertUtils.convert(firePointPreciseEntity));
        }
        //对合并后的结果进行排序
        List<AllFirePointVo> sortedResultList = resultList.stream().sorted(Comparator.comparing(AllFirePointVo::getSatelliteTime)).collect(Collectors.toList());
        return new FirePointQueryResultBean(true, "", sortedResultList);
    }

}