83 lines
2.2 KiB
TypeScript
83 lines
2.2 KiB
TypeScript
import { Injectable } from '@nestjs/common';
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import { CourierApiError } from '../courier.error';
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import { CourierConfigService } from '../courier.config';
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import { buildXiaofeixiaSign } from './xiaofeixia.sign';
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import { XIAOFEIXIA_SUCCESS_CODE } from './xiaofeixia.constants';
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import type { XiaofeixiaApiResponse } from './xiaofeixia.types';
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type RequestParams = Record<string, string | number | undefined>;
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@Injectable()
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export class XiaofeixiaClient {
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constructor(private readonly courierConfig: CourierConfigService) {}
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async request<T>(cmd: string, bizParams: RequestParams): Promise<T> {
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const cfg = this.courierConfig.load().xiaofeixia;
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if (!cfg.mchId || !cfg.apiKey) {
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throw new CourierApiError(
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'小飞侠商户配置不完整，请设置 XIAOFEIXIA_MCH_ID 与 XIAOFEIXIA_API_KEY',
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'CONFIG_ERROR',
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'XIAOFEIXIA',
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);
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}
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const baseParams: RequestParams = {
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mchId: cfg.mchId,
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cmd,
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signType: cfg.signType,
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...bizParams,
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};
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if (cfg.appId) {
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baseParams.appId = cfg.appId;
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}
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const sign = buildXiaofeixiaSign(baseParams, cfg.apiKey, cfg.signType);
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const body = new URLSearchParams();
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for (const [key, value] of Object.entries({ ...baseParams, sign })) {
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if (value !== undefined && value !== null && value !== '') {
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body.append(key, String(value));
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}
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}
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let response: Response;
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try {
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response = await fetch(cfg.apiUrl, {
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method: 'POST',
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headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
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body: body.toString(),
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});
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} catch (error) {
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throw new CourierApiError(
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'小飞侠接口网络异常',
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'200000',
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'XIAOFEIXIA',
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error,
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);
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}
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if (!response.ok) {
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throw new CourierApiError(
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`小飞侠 HTTP 请求失败: ${response.status}`,
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'200000',
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'XIAOFEIXIA',
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);
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}
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const payload = (await response.json()) as XiaofeixiaApiResponse<T>;
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if (payload.code !== XIAOFEIXIA_SUCCESS_CODE) {
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throw new CourierApiError(
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payload.message || '小飞侠接口业务失败',
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payload.code,
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'XIAOFEIXIA',
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payload,
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);
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}
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return payload.data as T;
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}
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}
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