package com.ruoyi.system.service.impl;
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import com.ruoyi.common.utils.DateUtils;
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import com.ruoyi.system.model.TBill;
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import com.ruoyi.system.model.TContract;
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import com.ruoyi.system.model.THouse;
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import com.ruoyi.system.service.TBillService;
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import com.ruoyi.system.service.TContractService;
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import com.ruoyi.system.service.THouseService;
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import com.ruoyi.system.vo.ScreenRentIncomeTrendVO;
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import com.ruoyi.system.vo.ScreenRentRankVO;
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import com.ruoyi.system.vo.ScreenTopStaticsDataVO;
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import lombok.RequiredArgsConstructor;
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import org.springframework.context.annotation.Lazy;
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import org.springframework.stereotype.Service;
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import java.math.BigDecimal;
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import java.math.RoundingMode;
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import java.util.ArrayList;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.List;
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import java.util.Map;
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import java.util.Objects;
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/**
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* @author mitao
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* @date 2025/3/19
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*/
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@Service
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@RequiredArgsConstructor(onConstructor_ = {@Lazy})
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public class ScreenService {
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private final THouseService tHouseService;
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private final TContractService tContractService;
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private final TBillService tBillService;
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/**
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* 获取顶部统计数据
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* @return
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*/
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public ScreenTopStaticsDataVO getTopStaticsData() {
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ScreenTopStaticsDataVO vo = new ScreenTopStaticsDataVO();
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//房屋总面积
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List<THouse> houseList = tHouseService.list();
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Double totalArea = houseList.stream().map(item -> Double.parseDouble(item.getHouseArea())).reduce(0D, Double::sum);
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vo.setHouseTotalArea(totalArea);
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//已出租面积
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Double totalRentedArea = houseList.stream().filter(item -> !item.getLeaseStatus().equals("1"))
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.map(item -> Double.parseDouble(item.getHouseArea())).reduce(0D, Double::sum);
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vo.setHouseRentedArea(totalRentedArea);
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//总计应收租金
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List<TBill> billList = tBillService.list();
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BigDecimal totalReceivableRent = billList.stream().filter(item -> !item.getPayFeesStatus().equals("5"))
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.map(TBill::getPayableFeesMoney).reduce(BigDecimal.ZERO, BigDecimal::add);
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vo.setTotalReceivableRent(totalReceivableRent);
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//总计已收租金
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BigDecimal totalReceivedRent = billList.stream().map(TBill::getPayFeesMoney).reduce(BigDecimal.ZERO, BigDecimal::add);
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vo.setTotalReceivedRent(totalReceivedRent);
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//本月新增租户数
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Integer newTenantCount = tContractService.getCurrentMonthRentCount();
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vo.setNewTenantCount(newTenantCount);
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//总计租户数 系统租户列表里有生效合同绑定的租户总数。
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Long count = tContractService.lambdaQuery().in(TContract::getStatus, "4", "5", "6", "7", "8", "9").groupBy(TContract::getTenantId).count();
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vo.setTotalTenantCount(count.intValue());
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Map<String, Date> quarterDate = DateUtils.getQuarterDate(new Date());
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Date first = quarterDate.get("first");
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Date last = quarterDate.get("last");
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List<TBill> currentQuarterBillList = tBillService.lambdaQuery().between(TBill::getPayableFeesTime, first, last).list();
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//本季度已交租金
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BigDecimal totalRentPaid = currentQuarterBillList.stream().map(TBill::getPayFeesMoney).reduce(BigDecimal.ZERO, BigDecimal::add);
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vo.setTotalRentPaid(totalRentPaid);
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//本季度应交租金
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BigDecimal totalRentShould = currentQuarterBillList.stream().filter(item -> !item.getPayFeesStatus().equals("5"))
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.map(TBill::getPayableFeesMoney).reduce(BigDecimal.ZERO, BigDecimal::add);
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vo.setTotalRentShould(totalRentShould);
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//本季度欠费
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BigDecimal totalRentOwe = currentQuarterBillList.stream()
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.map(TBill::getOutstandingMoney)
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.reduce(BigDecimal.ZERO, BigDecimal::add)
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.divide(BigDecimal.valueOf(10000L), 2, RoundingMode.HALF_UP);
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vo.setTotalRentOwe(totalRentOwe);
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//总计欠费
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List<TBill> allBillList = tBillService.lambdaQuery().le(TBill::getPayableFeesTime, last).list();
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BigDecimal totalRentOweAll = allBillList.stream()
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.map(TBill::getOutstandingMoney)
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.reduce(BigDecimal.ZERO, BigDecimal::add)
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.divide(BigDecimal.valueOf(10000L), 2, RoundingMode.HALF_UP);
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vo.setTotalRentOweAll(totalRentOweAll);
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return vo;
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}
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/**
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* 区域租金排名
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* @return
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*/
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public List<ScreenRentRankVO> streetRentRank() {
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return tBillService.getStreetRentRank();
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}
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/**
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* 租金收入趋势
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* @return
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*/
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public ScreenRentIncomeTrendVO rentIncomeTrend() {
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ScreenRentIncomeTrendVO vo = new ScreenRentIncomeTrendVO();
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// 获取当前日期
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Date currentDate = new Date();
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List<String> quarterLabels = new ArrayList<>(); // 季度标签列表
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List<BigDecimal> incomeData = new ArrayList<>(); //收入数据列表
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List<BigDecimal> outstandingData = new ArrayList<>(); // 欠费数据列表
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// 获取最近7个季度的数据
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for (int i = 6; i >= 0; i--) {
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// 计算对应季度的起止时间
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Date targetDate = DateUtils.addMonths(currentDate, -3 * i);
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Map<String, Date> quarterDate = DateUtils.getQuarterDate(targetDate);
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Date quarterStart = quarterDate.get("first");
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Date quarterEnd = quarterDate.get("last");
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// 获取该季度的账单数据
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List<TBill> quarterBills = tBillService.lambdaQuery()
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.between(TBill::getPayableFeesTime, quarterStart, quarterEnd)
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.list();
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// 计算季度租金收入总和
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BigDecimal quarterIncome = quarterBills.stream()
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.map(TBill::getPayFeesMoney)
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.filter(Objects::nonNull)
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.reduce(BigDecimal.ZERO, BigDecimal::add)
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.divide(BigDecimal.valueOf(10000L), 2, RoundingMode.HALF_UP);
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// 计算季度欠费总和
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BigDecimal quarterOutstanding = quarterBills.stream()
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.map(TBill::getOutstandingMoney)
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.filter(Objects::nonNull)
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.reduce(BigDecimal.ZERO, BigDecimal::add)
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.divide(BigDecimal.valueOf(10000L), 2, RoundingMode.HALF_UP);
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// 生成季度标签 (格式: YY-MM月)
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Calendar cal = Calendar.getInstance();
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cal.setTime(quarterEnd);
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String label = String.format("%02d-%d月",
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cal.get(Calendar.YEAR) % 100,
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cal.get(Calendar.MONTH) + 1);
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quarterLabels.add(label);
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incomeData.add(quarterIncome);
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outstandingData.add(quarterOutstanding); // 添加欠费数据
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}
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vo.setQuarters(quarterLabels);
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vo.setIncomeData(incomeData);
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vo.setOutstandingData(outstandingData); // 设置欠费数据到VO
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return vo;
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}
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}
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