huminmin
4 天以前 92112e68ee3707ed8437671d0164f036a2836c5d
src/main/java/com/ruoyi/basic/service/impl/CustomerServiceImpl.java
@@ -24,6 +24,7 @@
import org.springframework.util.CollectionUtils;
import org.springframework.web.multipart.MultipartFile;
import java.math.BigDecimal;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
@@ -93,6 +94,38 @@
                    String address = StringUtils.defaultString(c.getCompanyAddress(), "");
                    String phone = StringUtils.defaultString(c.getCompanyPhone(), "");
                    c.setAddressPhone(address + "(" + phone + ")"); // 优化字符串拼接
                    // 查询该客户关联的销售台账中,购买次数、平均金额、最近购买时间
                    List<SalesLedger> salesLedgers = salesLedgerMapper.selectList(new QueryWrapper<SalesLedger>().lambda().eq(SalesLedger::getCustomerId, c.getId()));
                    if (!CollectionUtils.isEmpty(salesLedgers)) {
                        // 计算购买次数
                        int purchaseCount = salesLedgers.size();
                        c.setPurchaseCount(purchaseCount);
                        // 计算平均金额
                        if (purchaseCount > 0) {
                            BigDecimal totalAmount = salesLedgers.stream()
                                    .map(SalesLedger::getContractAmount)
                                    .filter(Objects::nonNull)
                                    .reduce(BigDecimal.ZERO, BigDecimal::add);
                            BigDecimal averageAmount = totalAmount.divide(BigDecimal.valueOf(purchaseCount), 2, BigDecimal.ROUND_HALF_UP);
                            c.setAverageAmount(averageAmount);
                        } else {
                            c.setAverageAmount(BigDecimal.ZERO);
                        }
                        // 计算最近购买时间
                        SalesLedger latestLedger = salesLedgers.stream()
                                .max((l1, l2) -> l1.getExecutionDate().compareTo(l2.getExecutionDate()))
                                .orElse(null);
                        if (latestLedger != null) {
                            c.setLatestPurchaseTime(latestLedger.getExecutionDate());
                        }
                    } else {
                        // 没有销售记录时设置默认值
                        c.setPurchaseCount(0);
                        c.setAverageAmount(BigDecimal.ZERO);
                        c.setLatestPurchaseTime(null);
                    }
                })
                .collect(Collectors.toList());