From f5cf4bb2fe167c425d544f5bf8f26e01f70f5727 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=B0=AD=E5=87=AF=E5=87=AF?= <tankaikai@aliyun.com>
Date: Wed, 11 Dec 2024 11:16:56 +0800
Subject: [PATCH] =?UTF-8?q?=E7=99=BB=E5=BD=95=E8=BF=94=E5=9B=9E=E5=BA=97?=
 =?UTF-8?q?=E9=93=BA=E6=8E=88=E6=9D=83=E8=BF=87=E6=9C=9F=E6=97=A5=E6=9C=9F?=
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---
 .../impl/TbCreditBuyerOrderServiceImpl.java   | 114 ++++++++++++++----
 1 file changed, 90 insertions(+), 24 deletions(-)

diff --git a/eladmin-system/src/main/java/cn/ysk/cashier/mybatis/service/impl/TbCreditBuyerOrderServiceImpl.java b/eladmin-system/src/main/java/cn/ysk/cashier/mybatis/service/impl/TbCreditBuyerOrderServiceImpl.java
index 8a4fe995..0b3775ca 100644
--- a/eladmin-system/src/main/java/cn/ysk/cashier/mybatis/service/impl/TbCreditBuyerOrderServiceImpl.java
+++ b/eladmin-system/src/main/java/cn/ysk/cashier/mybatis/service/impl/TbCreditBuyerOrderServiceImpl.java
@@ -46,6 +46,8 @@ public class TbCreditBuyerOrderServiceImpl extends ServiceImpl<TbCreditBuyerOrde
     @Resource
     private TbCreditBuyerMapper tbCreditBuyerMapper;
     @Resource
+    private TbCreditBuyerOrderMapper tbCreditBuyerOrderMapper;
+    @Resource
     private TbCreditPaymentRecordMapper tbCreditPaymentRecordMapper;
     @Resource
     private MpOrderInfoService mpOrderInfoService;
@@ -320,39 +322,103 @@ public class TbCreditBuyerOrderServiceImpl extends ServiceImpl<TbCreditBuyerOrde
             return true;
         }
         // 2.部分还款/已还款，删除挂账订单+红冲还款记录，并把已还款金额退回余额或挂账额度
-        if ("partial".equals(dto.getStatus()) || "paid".equals(dto.getStatus())) {
-            // 已还款金额小于退款金额，需要把已还款金额退回余额
-            if (NumberUtil.isLessOrEqual(dto.getPaidAmount(), refundAmount)) {
-                creditBuyer.setAccountBalance(NumberUtil.add(creditBuyer.getAccountBalance(), dto.getPaidAmount()));
-                // 这部分需要返回到额度
-                BigDecimal subAmount = NumberUtil.sub(refundAmount, dto.getPaidAmount());
-                // creditBuyer.setCreditAmount(NumberUtil.add(creditBuyer.getCreditAmount(), subAmount));
-                // 已还款金额进行冲红
-                TbCreditPaymentRecord record = new TbCreditPaymentRecord();
-                record.setCreditBuyerId(creditBuyerId);
-                record.setOrderId(orderId);
-                record.setRepaymentAmount(NumberUtil.sub(BigDecimal.ZERO, dto.getPaidAmount()));
-                record.setPaymentMethod("挂账退款");
-                record.setPaymentTime(new Date());
-                record.setRemark(StrUtil.format("挂账订单：{}申请退款￥{}元，还款部分￥{}元已归还至账户余额，剩余￥{}元已归还至挂账额度。", orderInfo.getOrderNo(), refundAmount, dto.getPaidAmount(), subAmount));
-                record.setCreateTime(new Date());
-                tbCreditPaymentRecordMapper.insert(record);
-                tbCreditBuyerService.updateById(creditBuyer);
-                return true;
-            }
-            // 已还款金额大于退款金额，需要把已还款金额退回余额
-            creditBuyer.setAccountBalance(NumberUtil.add(creditBuyer.getAccountBalance(), refundAmount));
+        // 已还款金额小于退款金额，需要把已还款金额退回余额，实时恢复挂账额度，然后进行自动还款
+        if (NumberUtil.isLessOrEqual(dto.getPaidAmount(), refundAmount)) {
+            creditBuyer.setAccountBalance(NumberUtil.add(creditBuyer.getAccountBalance(), dto.getPaidAmount()));
+            // 这部分需要返回到额度
+            // BigDecimal subAmount = NumberUtil.sub(refundAmount, dto.getPaidAmount());
+            // creditBuyer.setCreditAmount(NumberUtil.add(creditBuyer.getCreditAmount(), subAmount));
             // 已还款金额进行冲红
             TbCreditPaymentRecord record = new TbCreditPaymentRecord();
             record.setCreditBuyerId(creditBuyerId);
             record.setOrderId(orderId);
-            record.setRepaymentAmount(NumberUtil.sub(BigDecimal.ZERO, refundAmount));
+            record.setRepaymentAmount(NumberUtil.sub(BigDecimal.ZERO, dto.getPaidAmount()));
             record.setPaymentMethod("挂账退款");
             record.setPaymentTime(new Date());
-            record.setRemark(StrUtil.format("挂账订单：{}申请退款￥{}元，还款部分￥{}元已归还至账户余额。", orderInfo.getOrderNo(), refundAmount, refundAmount));
+            record.setRemark(StrUtil.format("挂账订单：{}，申请退款￥{}元，还款部分￥{}元已归还至账户余额，挂账额度已恢复。", orderInfo.getOrderNo(), refundAmount, dto.getPaidAmount()));
             record.setCreateTime(new Date());
             tbCreditPaymentRecordMapper.insert(record);
             tbCreditBuyerService.updateById(creditBuyer);
+            // 回置挂账订单数据
+            dto.setPaidAmount(NumberUtil.sub(dto.getPaidAmount(), refundAmount));
+            if (NumberUtil.equals(dto.getPaidAmount(), BigDecimal.ZERO)) {
+                dto.setStatus("unpaid");
+            } else if (NumberUtil.isGreater(dto.getPaidAmount(), BigDecimal.ZERO) && NumberUtil.isLess(dto.getPaidAmount(), dto.getPayAmount())) {
+                dto.setStatus("partial");
+            }
+            dto.setUnpaidAmount(NumberUtil.sub(dto.getPayAmount(), dto.getPaidAmount()));
+            tbCreditBuyerOrderMapper.update(
+                    Wrappers.<TbCreditBuyerOrder>lambdaUpdate()
+                            .eq(TbCreditBuyerOrder::getId, dto.getId())
+                            .set(TbCreditBuyerOrder::getPaidAmount, dto.getPaidAmount())
+                            .set(TbCreditBuyerOrder::getStatus, dto.getStatus()));
+
+        } else {
+            // 1.把退款归还至余额
+            creditBuyer.setAccountBalance(NumberUtil.add(creditBuyer.getAccountBalance(), refundAmount));
+            // 2.保存挂账退款记录
+            TbCreditPaymentRecord record = new TbCreditPaymentRecord();
+            record.setCreditBuyerId(creditBuyerId);
+            record.setOrderId(orderId);
+            record.setRepaymentAmount(refundAmount);
+            record.setPaymentMethod("挂账退款");
+            record.setPaymentTime(new Date());
+            record.setRemark(StrUtil.format("挂账订单：{}，申请退款￥{}元，退款金额￥{}元已归还至账户余额，挂账额度已恢复。", orderInfo.getOrderNo(), refundAmount, refundAmount));
+            record.setCreateTime(new Date());
+            tbCreditPaymentRecordMapper.insert(record);
+            tbCreditBuyerService.updateById(creditBuyer);
+            // 3.修正挂账订单已还款数据
+            dto.setPaidAmount(NumberUtil.sub(dto.getPaidAmount(), refundAmount));
+            if (NumberUtil.equals(dto.getPaidAmount(), BigDecimal.ZERO)) {
+                dto.setStatus("unpaid");
+            } else if (NumberUtil.isGreater(dto.getPaidAmount(), BigDecimal.ZERO) && NumberUtil.isLess(dto.getPaidAmount(), dto.getPayAmount())) {
+                dto.setStatus("partial");
+            }
+            dto.setUnpaidAmount(NumberUtil.sub(dto.getPayAmount(), dto.getPaidAmount()));
+            tbCreditBuyerOrderMapper.update(
+                    Wrappers.<TbCreditBuyerOrder>lambdaUpdate()
+                            .eq(TbCreditBuyerOrder::getId, dto.getId())
+                            .set(TbCreditBuyerOrder::getPaidAmount, dto.getPaidAmount())
+                            .set(TbCreditBuyerOrder::getStatus, dto.getStatus()));
+            // 4.自动还款
+            BigDecimal accountBalance = creditBuyer.getAccountBalance();
+            BigDecimal sub = NumberUtil.sub(creditBuyer.getAccountBalance(), dto.getUnpaidAmount());
+            // 4.1.可以还清
+            if (NumberUtil.isGreaterOrEqual(sub, BigDecimal.ZERO)) {
+                creditBuyer.setAccountBalance(sub);
+                tbCreditBuyerOrderMapper.update(
+                        Wrappers.<TbCreditBuyerOrder>lambdaUpdate()
+                                .eq(TbCreditBuyerOrder::getId, dto.getId())
+                                .set(TbCreditBuyerOrder::getPaidAmount, NumberUtil.add(dto.getPaidAmount(), dto.getUnpaidAmount()))
+                                .set(TbCreditBuyerOrder::getStatus, "paid"));
+                TbCreditPaymentRecord auto = new TbCreditPaymentRecord();
+                auto.setCreditBuyerId(creditBuyerId);
+                auto.setOrderId(orderId);
+                auto.setRepaymentAmount(dto.getUnpaidAmount());
+                auto.setPaymentMethod("自动还款");
+                auto.setPaymentTime(new Date());
+                auto.setRemark(StrUtil.format("挂账订单：{}，已挂账金额￥{}，账户余额￥{}，自动还款￥{}。", orderInfo.getOrderNo(), dto.getUnpaidAmount(), accountBalance, dto.getUnpaidAmount()));
+                auto.setCreateTime(new Date());
+                tbCreditPaymentRecordMapper.insert(auto);
+            } else {
+            // 4.2.可以还部分
+                creditBuyer.setAccountBalance(BigDecimal.ZERO);
+                tbCreditBuyerOrderMapper.update(
+                        Wrappers.<TbCreditBuyerOrder>lambdaUpdate()
+                                .eq(TbCreditBuyerOrder::getId, dto.getId())
+                                .set(TbCreditBuyerOrder::getPaidAmount, NumberUtil.add(dto.getPaidAmount(), accountBalance))
+                                .set(TbCreditBuyerOrder::getStatus, "partial"));
+                TbCreditPaymentRecord auto = new TbCreditPaymentRecord();
+                auto.setCreditBuyerId(creditBuyerId);
+                auto.setOrderId(orderId);
+                auto.setRepaymentAmount(accountBalance);
+                auto.setPaymentMethod("自动还款");
+                auto.setPaymentTime(new Date());
+                auto.setRemark(StrUtil.format("挂账订单：{}，已挂账金额￥{}，账户余额￥{}，自动还款￥{}。", orderInfo.getOrderNo(), dto.getUnpaidAmount(), accountBalance, accountBalance));
+                auto.setCreateTime(new Date());
+                tbCreditPaymentRecordMapper.insert(auto);
+            }
+            tbCreditBuyerService.updateById(creditBuyer);
             return true;
         }
         return false;