Initial commit

Project-1, part-1 started

ready on local? 2.6s for 1000 req

Project-1/Part-1/web-tier-express/index.js

@@ -0,0 +1,51 @@
+const fs = require("fs");
+const path = require("path");
+const express = require("express");
+const cors = require("cors");
+const multer = require("multer");
+
+const logger = require("./utils/logger")(module);
+
+const app = express();
+const upload = multer({});
+
+app.use(cors());
+app.disable("x-powered-by");
+
+// Data loading
+const fastCSV = require("fast-csv");
+let lookup = [];
+fs.createReadStream(path.resolve(__dirname, "data", "results.csv"))
+	.pipe(fastCSV.parse({ headers: true }))
+	.on('error', error => console.error(error))
+	.on('data', row => lookup.push(row))
+	.on('end', (rowCount) => console.log(`Parsed ${rowCount} rows`));
+
+// Controllers
+
+const imageRecognition = (req, res, next) => {
+	try {
+		const fileName = req.files.inputFile[0].originalname.split(".jpg")[0];
+		return res.status(200).send(
+			fileName + ":" + lookup.filter((row) => row["Image"] === fileName)[0]["Results"]
+		);
+	} catch (error) {
+		logger.error("imageRecognition", { error });
+		return res.status(500).send({ message: "Server Error. Try again." });
+	}
+};
+
+// Routes
+app.post("/", upload.fields([
+	{ name: "inputFile", maxCount: 1 },
+]), imageRecognition);
+
+app.use((_req, res) => {
+	return res.status(200).send("Web tier on ExpressJS.");
+});
+
+const port = process.env.PORT || 5000;
+
+app.listen(port, () => {
+	logger.info(`App Listening on port ${port}`);
+});