package com.ruoyi.account.service.impl;
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import com.baomidou.mybatisplus.core.metadata.IPage;
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import com.baomidou.mybatisplus.core.toolkit.Wrappers;
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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.account.dto.AccountDto;
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import com.ruoyi.account.dto.AccountDto2;
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import com.ruoyi.account.dto.AccountDto3;
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import com.ruoyi.account.mapper.AccountExpenseMapper;
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import com.ruoyi.account.mapper.AccountFileMapper;
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import com.ruoyi.account.mapper.AccountIncomeMapper;
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import com.ruoyi.account.pojo.AccountExpense;
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import com.ruoyi.account.pojo.AccountIncome;
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import com.ruoyi.account.service.AccountExpenseService;
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import com.ruoyi.account.service.AccountIncomeService;
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import com.ruoyi.common.utils.poi.ExcelUtil;
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import com.ruoyi.dto.DateQueryDto;
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import lombok.AllArgsConstructor;
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import org.springframework.stereotype.Service;
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import javax.servlet.http.HttpServletResponse;
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import java.math.BigDecimal;
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import java.time.LocalDate;
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import java.time.format.DateTimeFormatter;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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@AllArgsConstructor
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@Service
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public class AccountExpenseServiceImpl extends ServiceImpl<AccountExpenseMapper, AccountExpense> implements AccountExpenseService {
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private AccountExpenseMapper accountExpenseMapper;
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private AccountIncomeMapper accountIncomeMapper;
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//分页查询
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@Override
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public IPage<AccountExpense> accountExpenseListPage(Page page, AccountExpense accountExpense) {
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return accountExpenseMapper.accountExpenseListPage(page,accountExpense);
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}
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//导出
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@Override
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public void accountExpenseExport(HttpServletResponse response, AccountExpense accountExpense) {
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List<AccountExpense> accountExpenses =accountExpenseMapper.accountExpenseExport(accountExpense);
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ExcelUtil<AccountExpense> util = new ExcelUtil<AccountExpense>(AccountExpense.class);
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util.exportExcel(response, accountExpenses, "支出管理导出");
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}
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//财务报表图表
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@Override
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public AccountDto report(DateQueryDto dateQueryDto) {
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AccountDto accountDto = new AccountDto();
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//获取该段时间内的所有收入
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List<AccountDto2> accountIncomes =accountIncomeMapper.report(dateQueryDto);
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Long incomeNumber = accountIncomeMapper.selectCount(Wrappers.<AccountIncome>lambdaQuery()
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.between(AccountIncome::getIncomeDate, dateQueryDto.getEntryDateStart(), dateQueryDto.getEntryDateEnd()));
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accountDto.setIncomeNumber(incomeNumber);
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BigDecimal totalIncome = accountIncomes.stream().map(AccountDto2::getAccount).reduce(BigDecimal.ZERO, BigDecimal::add);
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accountDto.setTotalIncome(totalIncome);
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accountIncomes.stream().forEach(accountDto2 -> {
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accountDto2.setProportion(accountDto2.getAccount().divide(totalIncome,2,BigDecimal.ROUND_HALF_UP));
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});
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accountDto.setIncomeType(accountIncomes);
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//获取该段时间内的所有支出
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List<AccountDto2> accountExpenses =accountExpenseMapper.report(dateQueryDto);
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accountDto.setExpenseType(accountExpenses);
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Long expenseNumber = accountExpenseMapper.selectCount(Wrappers.<AccountExpense>lambdaQuery()
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.between(AccountExpense::getExpenseDate, dateQueryDto.getEntryDateStart(), dateQueryDto.getEntryDateEnd()));
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accountDto.setExpenseNumber(expenseNumber);
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BigDecimal totalExpense = accountExpenses.stream().map(AccountDto2::getAccount).reduce(BigDecimal.ZERO, BigDecimal::add);
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accountDto.setTotalExpense(totalExpense);
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accountExpenses.stream().forEach(accountDto2 -> {
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accountDto2.setProportion(accountDto2.getAccount().divide(totalExpense,2,BigDecimal.ROUND_HALF_UP));
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});
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accountDto.setExpenseType(accountExpenses);
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//净收入
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BigDecimal netRevenue = totalIncome.subtract(totalExpense);
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accountDto.setNetRevenue(netRevenue);
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return accountDto;
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}
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//财务报表年查询
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@Override
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public AccountDto3 reportExpense() {
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AccountDto3 accountDto3 = new AccountDto3();
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DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
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int currentYear = LocalDate.now().getYear(); // 获取当前年份（如2025）
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List<String> months = new ArrayList<>();
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Map<String, List<AccountDto2>> map = new HashMap<>();
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for (int i = 1; i <= 12; i++) {
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months.add(i + "月");
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// 当月第一天：年份为当前年，月份为i，日期为1
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LocalDate firstDay = LocalDate.of(currentYear, i, 1);
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DateQueryDto dateQueryDto = new DateQueryDto();
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dateQueryDto.setEntryDateStart(firstDay.format(formatter));
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// 当月最后一天：第一天的月份的最后一天
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dateQueryDto.setEntryDateEnd(firstDay.plusMonths(1).minusDays(1).format(formatter));
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List<AccountDto2> report = accountExpenseMapper.report(dateQueryDto);
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map.put(i + "月",report);
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}
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accountDto3.setMonth(months);
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accountDto3.setAccountType(map);
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return accountDto3;
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}
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}
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