@hypericon/node-red-hypertable/nodes/read-record.js

Node-RED plugin to interact with Hypertable

const { readConnection } = require("./common");

const axios = require("axios").default;

// https://nodered.org/docs/creating-nodes/node-js

const nodeInit = (RED) => {

  function readRecordNode(config) {
    RED.nodes.createNode(this, config);

    // Retrieve the connection config node
    this.connection = RED.nodes.getNode(config.connection);
    // this.log("Connection: " + JSON.stringify(this.connection, null, 2));

    // Called whenever a message arrives at the node
    this.on('input', async (msg, send, done) => {

      /** @type string */
      const collectionId = msg.collectionId || config.collectionId;
      if (!collectionId) return done(new Error("No collection ID is specified"));

      /** @type string */
      const recordId = msg.recordId || config.recordId;
      if (!recordId) return done(new Error("No record ID is specified"));

      let baseUrl, projectId, apiKey;
      try {
        const conn = readConnection(this.connection);
        baseUrl = conn.baseUrl;
        // workspaceId = conn.workspaceId;
        projectId = conn.projectId;
        apiKey = conn.apiKey;
      } catch (error) {
        return done(error);
      }

      const path = `${baseUrl}api/v1/data/projects/${projectId}/collections/${collectionId}/records/${recordId}`;

      try {
        // this.log(`GET ${path}`);
        const response = await axios.get(path, {
          responseType: "json",
          headers: {
            "Authorization": `Basic ${apiKey}`,
          },
        });
        // this.log(`Collection data: ${JSON.stringify(response.data, null, 2)}`);
        msg.record = response.data;
      } catch (error) {
        this.error(error);
        return done(new Error(`Error making HTTP request: ${error}`));
      }

      // Sends the message to following Nodes
      this.send(msg);

    });

  }

  // Register the configured Node wih Node-RED
  RED.nodes.registerType("read-record", readRecordNode);

}

module.exports = nodeInit;