sama-master/datastore.js

Sama Business Services® Master Node Library

// "use strict";

// const express = require("express");
// const crypto = require("crypto");

// const app = express();
// app.enable("trust proxy");

// // By default, the client will authenticate using the service account file
// // specified by the GOOGLE_APPLICATION_CREDENTIALS environment variable and use
// // the project specified by the GOOGLE_CLOUD_PROJECT environment variable. See
// // https://github.com/GoogleCloudPlatform/google-cloud-node/blob/master/docs/authentication.md
// // These environment variables are set automatically on Google App Engine
// const { Datastore } = require("@google-cloud/datastore");

// // Instantiate a datastore client
// const datastore = new Datastore();

// /**
//  * Insert a visit record into the database.
//  *
//  * @param {object} visit The visit record to insert.
//  */
// const insertVisit = (visit) => {
//   return datastore.save({
//     key: datastore.key("visit"),
//     data: visit,
//   });
// };

// /**
//  * Retrieve the latest 10 visit records from the database.
//  */
// const getVisits = () => {
//   const query = datastore
//     .createQuery("visit")
//     .order("timestamp", { descending: true })
//     .limit(10);

//   return datastore.runQuery(query);
// };

// app.get("/", async (req, res, next) => {
//   // Create a visit record to be stored in the database
//   const visit = {
//     timestamp: new Date(),
//     // Store a hash of the visitor's ip address
//     userIp: crypto
//       .createHash("sha256")
//       .update(req.ip)
//       .digest("hex")
//       .substr(0, 7),
//   };

//   try {
//     await insertVisit(visit);
//     const [entities] = await getVisits();
//     const visits = entities.map(
//       (entity) => `Time: ${entity.timestamp}, AddrHash: ${entity.userIp}`
//     );
//     res
//       .status(200)
//       .set("Content-Type", "text/plain")
//       .send(`Last 10 visits:\n${visits.join("\n")}`)
//       .end();
//   } catch (error) {
//     next(error);
//   }
// });

// const PORT = process.env.PORT || 8080;
// app.listen(process.env.PORT || 8080, () => {
//   console.log(`App listening on port ${PORT}`);
//   console.log("Press Ctrl+C to quit.");
// });
// // [END gae_flex_datastore_app]

// module.exports = app;