DeliveryOrderServiceImpl.java
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package com.diligrp.rider.service.impl;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.diligrp.rider.entity.MerchantStore;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.diligrp.rider.common.exception.BizException;
import com.diligrp.rider.dto.DeliveryFeeCalcDTO;
import com.diligrp.rider.dto.DeliveryOrderCreateDTO;
import com.diligrp.rider.entity.OpenApp;
import com.diligrp.rider.entity.Orders;
import com.diligrp.rider.mapper.OpenAppMapper;
import com.diligrp.rider.mapper.OrdersMapper;
import com.diligrp.rider.service.DeliveryFeeService;
import com.diligrp.rider.service.DeliveryOrderService;
import com.diligrp.rider.service.MerchantService;
import com.diligrp.rider.service.WebhookService;
import com.diligrp.rider.vo.DeliveryFeeResultVO;
import com.diligrp.rider.vo.DeliveryOrderCreateVO;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.math.BigDecimal;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.util.List;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
@Slf4j
@Service
@RequiredArgsConstructor
public class DeliveryOrderServiceImpl implements DeliveryOrderService {
private final OrdersMapper ordersMapper;
private final OpenAppMapper openAppMapper;
private final MerchantService merchantService;
private final DeliveryFeeService deliveryFeeService;
private final WebhookService webhookService;
private final ObjectMapper objectMapper;
@Override
@Transactional
public DeliveryOrderCreateVO create(String appKey, DeliveryOrderCreateDTO dto) {
// 1. 校验应用，从 AppKey 获取租户 cityId（不信任调用方传入的 cityId）
OpenApp app = getApp(appKey);
if (app.getCityId() == null || app.getCityId() < 1) {
throw new BizException("该应用未绑定城市/租户，请联系平台管理员");
}
// 强制使用 AppKey 绑定的 cityId，覆盖调用方传入的值
dto.setCityId(app.getCityId());
// 2. 检查外部订单号唯一性
Long exists = ordersMapper.selectCount(new LambdaQueryWrapper<Orders>()
.eq(Orders::getAppKey, appKey)
.eq(Orders::getOutOrderNo, dto.getOutOrderNo()));
if (exists > 0) throw new BizException("外部订单号已存在：" + dto.getOutOrderNo());
// 3. 若传了 outStoreId，用 merchant_store 里的门店信息补全发货方
if (dto.getOutStoreId() != null && !dto.getOutStoreId().isBlank()) {
MerchantStore ms = merchantService.getByOutStoreId(appKey, dto.getOutStoreId());
if (ms != null) {
if (dto.getStoreName() == null || dto.getStoreName().isBlank())
dto.setStoreName(ms.getName());
if (dto.getStoreAddr() == null || dto.getStoreAddr().isBlank())
dto.setStoreAddr(ms.getAddress());
if (dto.getStoreLng() == null || dto.getStoreLng().isBlank())
dto.setStoreLng(ms.getLng());
if (dto.getStoreLat() == null || dto.getStoreLat().isBlank())
dto.setStoreLat(ms.getLat());
}
}
// 校验发货方坐标
if (dto.getStoreLng() == null || dto.getStoreLng().isBlank()
|| dto.getStoreLat() == null || dto.getStoreLat().isBlank()) {
throw new BizException("发货方经纬度不能为空（请传 storeLng/storeLat 或有效的 outStoreId）");
}
// 4. 计算配送费
DeliveryFeeCalcDTO feeDTO = new DeliveryFeeCalcDTO();
feeDTO.setCityId(dto.getCityId());
feeDTO.setOrderType(6); // 外卖配送
feeDTO.setStartLng(dto.getStoreLng());
feeDTO.setStartLat(dto.getStoreLat());
feeDTO.setEndLng(dto.getRecipLng());
feeDTO.setEndLat(dto.getRecipLat());
feeDTO.setWeight(dto.getWeight());
feeDTO.setPieces(calcPieces(dto.getItems()));
feeDTO.setServiceTime(dto.getServiceTime());
DeliveryFeeResultVO fee = deliveryFeeService.calcFee(feeDTO);
// 4. 生成订单号
String orderNo = generateOrderNo();
// 5. 生成完成码（6位数字）
String code = String.valueOf((int) (Math.random() * 900000 + 100000));
// 6. 构建 extra 信息
Map<String, Object> extra = new HashMap<>();
extra.put("distance", fee.getDistance());
extra.put("weight", dto.getWeight());
extra.put("pieces", feeDTO.getPieces());
extra.put("remark", dto.getRemark());
extra.put("computed", Map.of(
"money_basic", fee.getMoneyBasic(),
"money_distance", fee.getMoneyDistance(),
"money_piece", fee.getMoneyPiece(),
"money_time", fee.getMoneyTime()
));
String extraJson;
try {
extraJson = objectMapper.writeValueAsString(extra);
} catch (Exception e) {
extraJson = "{}";
}
// 7. 回调地址优先用订单级，其次用应用级
String callbackUrl = dto.getCallbackUrl();
if (callbackUrl == null || callbackUrl.isBlank()) {
callbackUrl = app.getWebhookUrl();
}
// 8. 创建订单
Orders order = new Orders();
order.setOrderNo(orderNo);
order.setOutOrderNo(dto.getOutOrderNo());
order.setAppKey(appKey);
order.setCityId(dto.getCityId());
order.setType(6);
order.setStatus(2); // 直接到待接单（外部系统已完成支付）
order.setMoneyDelivery(fee.getTotalFee());
order.setMoney(fee.getTotalFee());
order.setMoneyTotal(fee.getTotalFee());
order.setFName(dto.getStoreName());
order.setFAddr(dto.getStoreAddr() != null ? dto.getStoreAddr() : "");
order.setFLng(dto.getStoreLng());
order.setFLat(dto.getStoreLat());
order.setTName(dto.getRecipAddr());
order.setTAddr(dto.getRecipAddr());
order.setTLng(dto.getRecipLng());
order.setTLat(dto.getRecipLat());
order.setRecipName(dto.getRecipName());
order.setRecipPhone(dto.getRecipPhone());
order.setCode(code);
order.setExtra(extraJson);
order.setCallbackUrl(callbackUrl);
order.setItemsJson(null);
// 货物快照
if (dto.getItems() != null && !dto.getItems().isEmpty()) {
try {
order.setItemsJson(objectMapper.writeValueAsString(dto.getItems()));
} catch (Exception ignored) {}
}
order.setItemRemark(dto.getItemRemark());
order.setExtStoreId(null); // 改为通过 outStoreId 关联，不存具体ID
order.setRiderId(0L);
order.setOldRiderId(0L);
order.setIsTrans(0);
order.setIsIncome(0);
order.setIsDel(0);
order.setAddTime(System.currentTimeMillis() / 1000);
order.setPayTime(System.currentTimeMillis() / 1000);
ordersMapper.insert(order);
// 9. 回调接入方：订单已创建
notifyCallback(order, "order.created");
return toCreateVO(order, fee);
}
@Override
public DeliveryOrderCreateVO queryByOutOrderNo(String appKey, String outOrderNo) {
getApp(appKey);
Orders order = getOrderByOutNo(appKey, outOrderNo);
DeliveryFeeResultVO feeVO = new DeliveryFeeResultVO();
feeVO.setMoneyBasic(order.getMoneyDelivery());
feeVO.setMoneyDistance(BigDecimal.ZERO);
feeVO.setMoneyTime(BigDecimal.ZERO);
feeVO.setTotalFee(order.getMoneyDelivery());
return toCreateVO(order, feeVO);
}
@Override
@Transactional
public void cancel(String appKey, String outOrderNo) {
getApp(appKey);
Orders order = getOrderByOutNo(appKey, outOrderNo);
if (order.getStatus() != 2) {
throw new BizException("订单已接单或已完成，无法取消");
}
ordersMapper.update(null, new LambdaUpdateWrapper<Orders>()
.eq(Orders::getId, order.getId())
.set(Orders::getStatus, 10));
order.setStatus(10);
notifyCallback(order, "order.cancelled");
}
// ---- 私有方法 ----
private OpenApp getApp(String appKey) {
OpenApp app = openAppMapper.selectOne(new LambdaQueryWrapper<OpenApp>()
.eq(OpenApp::getAppKey, appKey).last("LIMIT 1"));
if (app == null || app.getStatus() != 1) throw new BizException("应用不存在或已禁用");
return app;
}
private Orders getOrderByOutNo(String appKey, String outOrderNo) {
Orders order = ordersMapper.selectOne(new LambdaQueryWrapper<Orders>()
.eq(Orders::getAppKey, appKey)
.eq(Orders::getOutOrderNo, outOrderNo)
.last("LIMIT 1"));
if (order == null) throw new BizException("订单不存在");
return order;
}
private void notifyCallback(Orders order, String event) {
try {
Map<String, Object> payload = new HashMap<>();
payload.put("event", event);
payload.put("outOrderNo", order.getOutOrderNo());
payload.put("deliveryOrderId", order.getId());
payload.put("orderNo", order.getOrderNo());
payload.put("status", order.getStatus());
payload.put("timestamp", System.currentTimeMillis() / 1000);
String json = objectMapper.writeValueAsString(payload);
webhookService.send(event, order.getId(), json);
} catch (Exception e) {
log.warn("通知回调失败 orderId={}", order.getId(), e);
}
}
private String generateOrderNo() {
String date = LocalDate.now().format(DateTimeFormatter.ofPattern("yyyyMMdd"));
return "DL" + date + UUID.randomUUID().toString().replace("-", "").substring(0, 10).toUpperCase();
}
private Integer calcPieces(List<DeliveryOrderCreateDTO.DeliveryItemDTO> items) {
if (items == null || items.isEmpty()) {
return 0;
}
int pieces = 0;
for (DeliveryOrderCreateDTO.DeliveryItemDTO item : items) {
pieces += item.getQuantity() != null && item.getQuantity() > 0 ? item.getQuantity() : 1;
}
return pieces;
}
private DeliveryOrderCreateVO toCreateVO(Orders order, DeliveryFeeResultVO fee) {
DeliveryOrderCreateVO vo = new DeliveryOrderCreateVO();
vo.setDeliveryOrderId(order.getId());
vo.setOrderNo(order.getOrderNo());
vo.setOutOrderNo(order.getOutOrderNo());
vo.setMoneyBasic(fee.getMoneyBasic());
vo.setMoneyDistance(fee.getMoneyDistance());
vo.setMoneyTime(fee.getMoneyTime());
vo.setTotalFee(fee.getTotalFee());
vo.setDistance(fee.getDistance());
vo.setEstimatedMinutes(fee.getEstimatedMinutes());
vo.setStatus(order.getStatus());
return vo;
}
}