Created Weather App

backend/app.js

@@ -1,11 +1,107 @@
-const express = require('express')
-const app = express()
-const port = 3000
+const express = require("express");
+const csv = require("csv-parser");
+const fs = require("fs");
+const path = require("path");
+const https = require("https");
+const csvtojson = require("csvtojson");
+const cors = require('cors')
 
-app.get('/', (req, res) => {
-  res.send('Hello World!')
-})
+const app = express();
+const port = 3000;
+
+const getTemperature =
+  "https://api.open-meteo.com/v1/forecast?latitude=52.52&longitude=13.41&hourly=temperature_2m";
+
+// app.use(express.static("public"));
+
+app.use(cors());
+
+app.get("/getcities", (req, res) => {
+  try {
+    const data = fs.readFileSync("./gb.csv", "utf8");
+
+    csvtojson()
+      .fromString(data)
+      .then((jsonObj) => {
+        console.log(jsonObj);
+        res.json(jsonObj);
+      });
+
+    //res.send('test');
+  } catch (err) {
+    console.error(err);
+    res.send(err);
+  }
+});
+
+app.get("/getTemperature", (req, res) => {
+  try {
+    const lat = req.query.lat;
+    const lng = req.query.lng;
+
+    const parsedUrl =
+      "https://api.open-meteo.com/v1/forecast?latitude=" +
+      lat +
+      "&longitude=" +
+      lng +
+      "&hourly=temperature_2m";
+
+    let request = https.get(parsedUrl, (response) => {
+      if (response.statusCode !== 200) {
+        console.error(
+          `Did not get an OK from the server. Code: ${response.statusCode}`
+        );
+        response.resume();
+        return;
+      }
+
+      let data = "";
+
+      response.on("data", (chunk) => {
+        data += chunk;
+      });
+
+      console.log(data);
+
+      response.on("close", () => {
+        console.log("Retrieved all data");
+        //console.log(JSON.parse(data));
+        res.send(data);
+      });
+    });
+
+    // console.log(req.query.lat);
+  } catch (err) {
+    console.error(err);
+    res.send(err);
+  }
+});
+
+// app.get("/getTemperature", (req, res) => {
+//   const cityName = req.query.cityName.toLowerCase();
+//   const csvFile = "gb.csv";
+//   //res.sendFile(path.join(__dirname, 'gb.csv'));
+
+//   // Read and parse the CSV file
+//   const csvData = [];
+//   fs.createReadStream(csvFile)
+//     .pipe(csv())
+//     .on("data", (row) => {
+//       const city = row.city.toLowerCase();
+//       if (city === cityName) {
+//         csvData.push(row);
+//       }
+//     })
+//     .on("end", () => {
+//       if (csvData.length > 0) {
+//         const temperature = csvData[0].temperature;
+//         res.send(`The current temperature in ${cityName} is ${temperature}°C.`);
+//       } else {
+//         res.status(404).send("City not found in the data file.");
+//       }
+//     });
+// });
 
 app.listen(port, () => {
-  console.log(`Example app listening on port ${port}`)
-})
+  console.log(`Server is running on http://localhost:${port}`);
+});

backend/package.json

@@ -1,5 +1,8 @@
 {
   "dependencies": {
+    "cors": "^2.8.5",
+    "csv-parser": "^3.0.0",
+    "csvtojson": "^2.0.10",
     "express": "^4.18.2"
   },
   "name": "backend",