Khiro-W2-Node.js

assignments/config-files/hackyourtemperature/.gitignore

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+node_modules/
+.env
+.DS_Store

assignments/config-files/hackyourtemperature/app.js

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+import express from "express";
+import fetch from "node-fetch";
+import { API_KEY } from "./sources/keys.js";
+const app = express();
+app.use(express.json());
+
+app.get("/", (req, res) => {
+  res.send("Hello from the backend ");
+});
+app.post("/weather", async (req, res) => {
+  const { cityName } = req.body;
+  if (!cityName) {
+    return res.status(400).json({ Error: "Please provide a city name" });
+  }
+
+  try {
+    const response = await fetch(
+      `https://api.openweathermap.org/data/2.5/weather?q=${cityName}&appid=${API_KEY}&units=metric`
+    );
+
+    const weatherData = await response.json();
+
+    if (response.status === 404) {
+      return res.status(404).json({ Error: "Invalid city name" });
+    } else {
+      const weatherobj = {
+        Temp: Math.floor(weatherData.main.temp),
+        Feels: Math.floor(weatherData.main.feels_like),
+        Description: weatherData.weather[0].description,
+      };
+      return res.json({
+        Temperature: ` the temperature in ${cityName} is ${weatherobj.Temp}`,
+        Feels: `Feels like ${weatherobj.Feels}`,
+        Description: `${weatherobj.Description}`,
+      });
+    }
+  } catch (error) {
+    res.status(500).json({ Error: "Server error, please try later" });
+  }
+});
+
+export default app;

assignments/config-files/hackyourtemperature/babel.config.cjs

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+module.exports = {
+  presets: [
+    [
+      // This is a configuration, here we are telling babel what configuration to use
+      "@babel/preset-env",
+      {
+        targets: {
+          node: "current",
+        },
+      },
+    ],
+  ],
+};

assignments/config-files/hackyourtemperature/jest.config.js

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+export default {
+  // Tells jest that any file that has 2 .'s in it and ends with either js or jsx should be run through the babel-jest transformer
+  transform: {
+    "^.+\\.jsx?$": "babel-jest",
+  },
+  // By default our `node_modules` folder is ignored by jest, this tells jest to transform those as well
+  transformIgnorePatterns: [],
+};

assignments/config-files/hackyourtemperature/package.json

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+{
+  "name": "hackyourtemperature",
+  "version": "1.0.0",
+  "main": "server.js",
+  "type": "module",
+  "scripts": {
+    "test": "jest",
+    "start": "node server.js",
+    "dev": "nodemon server.js"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "description": "",
+  "dependencies": {
+    "dotenv": "^16.4.7",
+    "express": "^4.21.2",
+    "node-fetch": "^3.3.2"
+  },
+  "devDependencies": {
+    "@babel/preset-env": "^7.26.9",
+    "babel-jest": "^29.7.0",
+    "jest": "^29.7.0",
+    "nodemon": "^3.1.9",
+    "supertest": "^7.0.0"
+  }
+}

assignments/config-files/hackyourtemperature/server.js

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+import app from "./app.js";
+
+const PORT = 3000;
+app.listen(PORT, () => console.log(`Server is running on port ${PORT}!`));

assignments/config-files/hackyourtemperature/sources/keys.js

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+import dotenv from "dotenv";
+dotenv.config();
+export const API_KEY = process.env.API_KEY;

assignments/config-files/hackyourtemperature/tests/app.test.js

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+import app from "../app.js";
+import supertest from "supertest";
+
+const request = supertest(app);
+
+describe("POST /weather", () => {
+  it("should return weather data for a valid city name", async () => {
+    const response = await request.post("/weather").send({
+      cityName: "Amsterdam",
+    });
+    expect(response.status).toBe(200);
+    expect(response.body).toHaveProperty("Temperature");
+  });
+
+  it("should return an error if city name is not provided ", async () => {
+    const response = await request.post("/weather").send({});
+    expect(response.status).toBe(400);
+    expect(response.body.Error).toBe("Please provide a city name");
+  });
+  it("should return 404  status error for invalid city names", async () => {
+    const response = await request.post("/weather").send({
+      cityName: "NoCity",
+    });
+    expect(response.status).toBe(404);
+    expect(response.body.Error).toBe("Invalid city name");
+  });
+});

package.json

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+{
+  "dependencies": {
+    "express": "^4.21.2"
+  },
+  "name": "node.js-cohort51",
+  "version": "1.0.0",
+  "description": "> If you are following the HackYourFuture curriculum we recommend you to start with module 1: [HTML/CSS/GIT](https://github.com/HackYourFuture/HTML-CSS). To get a complete overview of the HackYourFuture curriculum first, click [here](https://github.com/HackYourFuture/curriculum).",
+  "main": "index.js",
+  "type": "module",
+
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "devDependencies": {
+    "nodemon": "^3.1.9"
+  }
+}