Sofiia assignment week 2

assignments/hackyourtemperature/__tests__/app.test.js

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+import supertest from "supertest";
+import { app } from "../app.js";
+
+const request = supertest(app);
+
+describe("POST /weather", () => {
+  it("should return weather data for a valid city", async () => {
+    const response = await request
+      .post("/weather")
+      .send({ cityName: "Amsterdam" });
+    expect(response.status).toBe(200);
+    expect(response.body.weatherText).toContain("The weather in Amsterdam is");
+  });
+
+  it("should return an error if the city is not found", async () => {
+    const response = await request
+      .post("/weather")
+      .send({ cityName: "BlaBlaBla" });
+    expect(response.status).toBe(404);
+    expect(response.body.weatherText).toBe("City is not found!");
+  });
+
+  it("should return an error if no cityName is provided", async () => {
+    const response = await request.post("/weather").send({});
+    expect(response.status).toBe(400);
+    expect(response.body.weatherText).toBe("City name is required!");
+  });
+});

assignments/hackyourtemperature/app.js

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+import express from "express";
+import fetch from "node-fetch";
+import { API_KEY } from "./sources/keys.js";
+
+export const app = express();
+
+app.use(express.json());
+
+app.get("/", (req, res) => {
+  res.send("Welcome to the Weather App!");
+});
+
+app.post("/weather", async (req, res) => {
+  const cityName = req.body.cityName;
+
+  if (!cityName) {
+    return res.status(400).json({ weatherText: "City name is required!" });
+  }
+
+  try {
+    const response = await fetch(
+      `https://api.openweathermap.org/data/2.5/weather?q=${cityName}&APPID=${API_KEY}&units=metric`
+    );
+    const data = await response.json();
+
+    if (data.cod !== 200) {
+      if (data.cod === "404") {
+        return res.status(data.cod).json({ weatherText: "City is not found!" });
+      }
+
+      return res.status(data.cod).json({ weatherText: `${data.message}` });
+    }
+
+    const temp = data.main.temp;
+    return res
+      .status(200)
+      .json({ weatherText: `The weather in ${cityName} is ${temp}°C` });
+  } catch (error) {
+    return res.status(500).json({ weatherText: "Something went wrong!" });
+  }
+});

assignments/hackyourtemperature/babel.config.cjs

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+module.exports = {
+  presets: [["@babel/preset-env", { targets: { node: "current" } }]],
+};

assignments/hackyourtemperature/jest.config.js

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+export default {
+  transform: {
+    "^.+\\.js$": "babel-jest",
+  },
+  testEnvironment: "node",
+  transformIgnorePatterns: ["/node_modules/(?!(node-fetch)/)"],
+};

assignments/hackyourtemperature/package.json

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+{
+  "name": "hackyourtemperature",
+  "version": "1.0.0",
+  "main": "server.js",
+  "scripts": {
+    "dev": "nodemon server.js",
+    "start": "node server.js",
+    "test": "jest"
+  },
+  "keywords": [],
+  "author": "Sofiia <sonia.nosenko@gmail.com>",
+  "license": "ISC",
+  "description": "",
+  "type": "module",
+  "dependencies": {
+    "express": "^4.21.0",
+    "express-handlebars": "^8.0.1",
+    "node-fetch": "^2.7.0"
+  },
+  "devDependencies": {
+    "@babel/preset-env": "^7.25.4",
+    "babel-jest": "^29.7.0",
+    "jest": "^29.7.0",
+    "nodemon": "^3.1.7",
+    "supertest": "^7.0.0"
+  }
+}

assignments/hackyourtemperature/server.js

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+import { app } from "./app.js";
+
+const PORT = process.env.PORT || 3000;
+
+app.listen(PORT, () => {
+  console.log(`Server is running on http://localhost:${PORT}`);
+});

assignments/hackyourtemperature/sources/keys.js

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+export const API_KEY = "2e63eec1418ead995cb13d960d42730c";