OpenApiController.java
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package com.diligrp.rider.controller;
import com.diligrp.rider.common.exception.BizException;
import com.diligrp.rider.common.result.Result;
import com.diligrp.rider.dto.DeliveryFeeCalcDTO;
import com.diligrp.rider.dto.OpenDeliveryFeeCalcDTO;
import com.diligrp.rider.dto.OpenRouteCalcDTO;
import com.diligrp.rider.entity.OpenApp;
import com.diligrp.rider.service.DeliveryFeeService;
import com.diligrp.rider.service.OpenAppService;
import com.diligrp.rider.service.amap.AmapRouteClient;
import com.diligrp.rider.util.GeoUtil;
import com.diligrp.rider.vo.DeliveryFeeResultVO;
import com.diligrp.rider.vo.RouteCalcVO;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.validation.Valid;
import lombok.RequiredArgsConstructor;
import org.springframework.web.bind.annotation.*;
import java.util.Optional;
/**
* 开放平台对外接口
* 路径前缀 /api/open/** 受 OpenApiInterceptor 签名鉴权保护
* 第三方系统需携带 X-App-Key / X-Timestamp / X-Nonce / X-Sign 请求头
*/
@RestController
@RequestMapping("/api/open")
@RequiredArgsConstructor
public class OpenApiController {
private final DeliveryFeeService deliveryFeeService;
private final OpenAppService openAppService;
private final AmapRouteClient amapRouteClient;
/**
* 计算配送费（对外开放版）
* cityId 由 AppKey 绑定的租户自动确定，不信任外部传参
*/
@PostMapping("/delivery/fee/calc")
public Result<DeliveryFeeResultVO> calcFee(@Valid @RequestBody OpenDeliveryFeeCalcDTO dto,
HttpServletRequest request) {
DeliveryFeeCalcDTO calcDTO = new DeliveryFeeCalcDTO();
calcDTO.setCityId(resolveCityId(request));
calcDTO.setOrderType(dto.getOrderType());
calcDTO.setStartLng(dto.getStartLng());
calcDTO.setStartLat(dto.getStartLat());
calcDTO.setEndLng(dto.getEndLng());
calcDTO.setEndLat(dto.getEndLat());
calcDTO.setWeight(dto.getWeight());
calcDTO.setPieces(dto.getPieces());
calcDTO.setServiceTime(dto.getServiceTime());
return Result.success(deliveryFeeService.calcFee(calcDTO));
}
/**
* 检查城市服务是否开通
* cityId 由 AppKey 绑定的租户自动确定
*/
@GetMapping("/delivery/check")
public Result<Boolean> check(@RequestParam int orderType, HttpServletRequest request) {
return Result.success(deliveryFeeService.isServiceEnabled(resolveCityId(request), orderType));
}
/**
* 路线计算：传入起止经纬度，返回距离（米）与导航耗时（秒）。
* - distance 始终有值：优先高德电动车路径距离，失败时回退到直线距离
* - duration 高德未命中时为 null
*/
@PostMapping("/route/calc")
public Result<RouteCalcVO> routeCalc(@Valid @RequestBody OpenRouteCalcDTO dto) {
Optional<AmapRouteClient.AmapRoute> route = amapRouteClient.getElectrobikeRoute(
dto.getStartLng(), dto.getStartLat(), dto.getEndLng(), dto.getEndLat());
if (route.isPresent()) {
return Result.success(new RouteCalcVO(route.get().distanceMeters(), route.get().durationSeconds()));
}
double km;
try {
km = GeoUtil.calcDistanceKm(
Double.parseDouble(dto.getStartLat()),
Double.parseDouble(dto.getStartLng()),
Double.parseDouble(dto.getEndLat()),
Double.parseDouble(dto.getEndLng()));
} catch (Exception e) {
throw new BizException("起止经纬度格式错误");
}
int distanceMeters = (int) Math.round(km * 1000);
return Result.success(new RouteCalcVO(distanceMeters, null));
}
private Long resolveCityId(HttpServletRequest request) {
String appKey = request.getHeader("X-App-Key");
OpenApp app = openAppService.getByAppKey(appKey);
if (app == null || app.getStatus() != 1) {
throw new BizException("应用不存在或已禁用");
}
if (app.getCityId() == null || app.getCityId() < 1) {
throw new BizException("该应用未绑定租户，请联系平台管理员");
}
return app.getCityId();
}
}