What do you want to automate

with JLCPCB and PostgreSQL?

import { axios } from "@pipedream/platform"
import crypto from "crypto"
export default defineComponent({
  props: {
    jlcpcb: {
      type: "app",
      app: "jlcpcb",
    }
  },
  async run({ steps, $ }) {
    const appCtx = this;
    function generateNonce() {
      return crypto.randomBytes(16).toString('hex');
    }

    function buildStringToSign(method, path, timestamp, nonce, body = '') {
      return `${method.toUpperCase()}\n${path}\n${timestamp}\n${nonce}\n${body}\n`;
    }

    function signString(stringToSign, secretKey) {
      const hmac = crypto.createHmac('sha256', secretKey);
      hmac.update(stringToSign, 'utf8');
      return hmac.digest('base64');
    }

    function getAuthHeader(method, path, body, appId, accessKey, secretKey) {
      const nonce = generateNonce();
      const timestamp = Math.floor(Date.now() / 1000);

      const stringToSign = buildStringToSign(method, path, timestamp, nonce, body);
      const signature = signString(stringToSign, secretKey);

      return `JOP appid="${appId}", accesskey="${accessKey}", nonce="${nonce}", timestamp="${timestamp}", signature="${signature}"`;
    }

    async function queryOrder() {
      const appId = appCtx.jlcpcb.$auth.app_id;
      const accessKey = appCtx.jlcpcb.$auth.access_key;
      const secretKey = appCtx.jlcpcb.$auth.secret_key;

      const method = "POST";
      const path = "/overseas/openapi/pcb/order/detail";
      const bodyObj = { batchNumber: "BATCH12345" };
      const body = JSON.stringify(bodyObj);

      const authHeader = getAuthHeader(method, path, body, appId, accessKey, secretKey);

      const response = await axios($, {
        method, url: `https://open.jlcpcb.com${path}`, data: bodyObj,
        headers: {
          "Content-Type": "application/json",
          "Authorization": authHeader
        }
      });

      return response;
    }
    return await queryOrder();
  },
})

import postgresql from "@pipedream/postgresql"

export default defineComponent({
  props: {
    postgresql,
  },
  async run({ steps, $ }) {
    // Component source code:
    // https://github.com/PipedreamHQ/pipedream/tree/master/components/postgresql

    const queryObj = {
      text: "SELECT NOW()",
      values: [], // Ignored since query does not contain placeholders
    };
    return await this.postgresql.executeQuery(queryObj);
  },
})