feat: 积分商城-供应商

esf-relay/.env.example

@@ -0,0 +1,2 @@
+PORT=8050
+SUPPLIED_SERVICE_BASE_URL=http://127.0.0.1:8888

esf-relay/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "esf-relay",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "start": "node src/server.mjs"
+  }
+}

esf-relay/src/server.mjs

@@ -0,0 +1,71 @@
+import http from 'node:http'
+
+const port = Number(process.env.PORT || 8050)
+const suppliedServiceBaseUrl = String(process.env.SUPPLIED_SERVICE_BASE_URL || 'http://127.0.0.1:8888').replace(/\/$/, '')
+
+const addressRoutes = new Map([
+  ['/supplierOpenApi/pointOrder/queryOrderInfo', '/supplierOpenApi/pointOrder/queryOrderInfo'],
+  ['/supplierOpenApi/pointOrder/queryReconciliationInfo', '/supplierOpenApi/pointOrder/queryReconciliationInfo'],
+  ['/supplierOpenApi/pointOrder/unReconciledMsg', '/supplierOpenApi/pointOrder/unReconciledMsg'],
+  ['/supplierOpenApi/pointOrder/reconciliationResult', '/supplierOpenApi/pointOrder/reconciliationResult']
+])
+
+const readBody = request => new Promise((resolve, reject) => {
+  const chunks = []
+  request.on('data', chunk => chunks.push(chunk))
+  request.on('end', () => resolve(Buffer.concat(chunks).toString('utf8')))
+  request.on('error', reject)
+})
+
+const getForwardPath = address4 => {
+  if (typeof address4 !== 'string') {
+    return null
+  }
+  try {
+    return addressRoutes.get(new URL(address4).pathname) || null
+  } catch {
+    return addressRoutes.get(address4) || null
+  }
+}
+
+const writeJson = (response, statusCode, body) => {
+  response.writeHead(statusCode, { 'Content-Type': 'application/json;charset=UTF-8' })
+  response.end(JSON.stringify(body))
+}
+
+const server = http.createServer(async (request, response) => {
+  if (request.method !== 'POST' || request.url !== '/esf/S120020967Api') {
+    writeJson(response, 404, { resultCode: 404, message: '接口不存在' })
+    return
+  }
+
+  try {
+    const bodyText = await readBody(request)
+    const body = JSON.parse(bodyText)
+    const forwardPath = getForwardPath(body.Address4)
+    if (!forwardPath) {
+      writeJson(response, 400, { resultCode: 400, message: '不支持的Address4' })
+      return
+    }
+
+    const upstreamResponse = await fetch(`${suppliedServiceBaseUrl}${forwardPath}`, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json;charset=UTF-8' },
+      body: bodyText
+    })
+    const responseBody = await upstreamResponse.text()
+    response.writeHead(upstreamResponse.status, {
+      'Content-Type': upstreamResponse.headers.get('content-type') || 'application/json;charset=UTF-8'
+    })
+    response.end(responseBody)
+  } catch (error) {
+    writeJson(response, 502, {
+      resultCode: 502,
+      message: error instanceof Error ? error.message : 'ESF中转请求失败'
+    })
+  }
+})
+
+server.listen(port, () => {
+  console.log(`ESF relay running at http://127.0.0.1:${port}/esf/S120020967Api`)
+})