${p.name} - $${p.price}
+${item}
+ + + `; +}; + +const server = http.createServer((req, res) => { + console.log("req.method is ", req.method); + console.log("req.url is ", req.url); + if (req.method === "POST") { + getBody(req, (body) => { + console.log("The body of the post is ", body); + // here, you can add your own logic + if (body["item"]) { + item = body["item"]; + } else { + item = "Nothing was entered."; + } + // Your code changes would end here + res.writeHead(303, { + Location: "/", + }); + res.end(); + }); + } else { + res.end(form()); + } +}); + +server.on("request", (req) => { + console.log("event received: ", req.method, req.url); +}); +server.listen(3000); +console.log("The server is listening on port 3000."); diff --git a/01-node-tutorial/answers/temp.txt b/01-node-tutorial/answers/temp.txt new file mode 100644 index 0000000000..6ad36e52f0 --- /dev/null +++ b/01-node-tutorial/answers/temp.txt @@ -0,0 +1,3 @@ +Line 1 +Line 2 +Line 3 diff --git a/01-node-tutorial/answers/temporary/.keep b/01-node-tutorial/answers/temporary/.keep new file mode 100644 index 0000000000..f59ec20aab --- /dev/null +++ b/01-node-tutorial/answers/temporary/.keep @@ -0,0 +1 @@ +* \ No newline at end of file diff --git a/01-node-tutorial/answers/timeStamp.txt b/01-node-tutorial/answers/timeStamp.txt new file mode 100644 index 0000000000..8c1d2e24e2 --- /dev/null +++ b/01-node-tutorial/answers/timeStamp.txt @@ -0,0 +1 @@ +Line 1/nLine 2/nLine 3/n \ No newline at end of file diff --git a/01-node-tutorial/answers/writeWithPromisesAwait.js b/01-node-tutorial/answers/writeWithPromisesAwait.js new file mode 100644 index 0000000000..5f6afdffc8 --- /dev/null +++ b/01-node-tutorial/answers/writeWithPromisesAwait.js @@ -0,0 +1,27 @@ +const { writeFile, readFile } = require("fs").promises; + +const writer = async () => { + try { + await writeFile("temp.txt", "Line 1\n"); + await writeFile("temp.txt", "Line 2\n", { flag: "a" }); + await writeFile("temp.txt", "Line 3\n", { flag: "a" }); + } catch (err) { + console.log("An error occurred during writing: ", err); + } +}; + +const reader = async () => { + try { + const data = await readFile("temp.txt", "utf-8"); + console.log("File contents:\n", data); + } catch (err) { + console.log("An error occurred during reading: ", err); + } +}; + +const readWrite = async () => { + await writer(); + await reader(); +}; + +readWrite(); diff --git a/01-node-tutorial/answers/writeWithPromisesThen.js b/01-node-tutorial/answers/writeWithPromisesThen.js new file mode 100644 index 0000000000..7337f2ed11 --- /dev/null +++ b/01-node-tutorial/answers/writeWithPromisesThen.js @@ -0,0 +1,10 @@ +const { writeFile, readFile } = require("fs").promises; + +writeFile("temp.txt", "Line 1\n") + .then(() => writeFile("temp.txt", "Line 2\n", { flag: "a" })) + .then(() => writeFile("temp.txt", "Line 3\n", { flag: "a" })) + .then(() => readFile("temp.txt", "utf-8")) + .then((data) => console.log("File contents:\n", data)) + .catch((error) => { + console.log("An error occurred: ", error); + }); diff --git a/02-express-tutorial/.gitignore b/02-express-tutorial/.gitignore index 30bc162798..07e6e472cc 100644 --- a/02-express-tutorial/.gitignore +++ b/02-express-tutorial/.gitignore @@ -1 +1 @@ -/node_modules \ No newline at end of file +/node_modules diff --git a/02-express-tutorial/app.js b/02-express-tutorial/app.js index ce296a6ee3..98bfd1c341 100644 --- a/02-express-tutorial/app.js +++ b/02-express-tutorial/app.js @@ -1 +1,59 @@ -console.log('Express Tutorial') +//console.log('Express Tutorial') +const express = require("express"); // Import express +const app = express(); // Create app instance +const { products } = require("./data"); + +app.use(express.static("./public")); //to serve static files like index.html + +//to test the route +app.get("/api/v1/test", (req, res) => { + res.json({ message: "It worked!" }); +}); + +//Route to return all products +app.get("/api/v1/products", (req, res) => { + res.json(products); +}); + +//Route to return a single product by ID +app.get("/api/v1/products/:productID", (req, res) => { + const idToFind = parseInt(req.params.productID); // Convert ID from string to number + const product = products.find((p) => p.id === idToFind); + + if (!product) { + return res.status(404).json({ message: "That product was not found." }); + } + + res.json(product); +}); + +// Route to handle query string filtering +app.get("/api/v1/query", (req, res) => { + const { search, limit, price } = req.query; + let result = [...products]; // Copy original array + + if (search) { + result = result.filter((product) => + product.name.toLowerCase().startsWith(search.toLowerCase()) + ); + } + + if (price) { + result = result.filter((product) => product.price < parseFloat(price)); + } + + if (limit) { + result = result.slice(0, parseInt(limit)); + } + + res.json(result); +}); + +//catch all error +app.all("*", (req, res) => { + res.status(404).send("Page not found"); +}); + +app.listen(3000, () => { + console.log("Server is listening on port 3000..."); +}); diff --git a/02-express-tutorial/package-lock.json b/02-express-tutorial/package-lock.json index 417394ff8b..8bb5c6b82e 100644 --- a/02-express-tutorial/package-lock.json +++ b/02-express-tutorial/package-lock.json @@ -5,6 +5,7 @@ "requires": true, "packages": { "": { + "name": "2-express-tutorial", "version": "1.0.0", "license": "ISC", "dependencies": { diff --git a/02-express-tutorial/public/fetch-products.js b/02-express-tutorial/public/fetch-products.js new file mode 100644 index 0000000000..6450c7960a --- /dev/null +++ b/02-express-tutorial/public/fetch-products.js @@ -0,0 +1,16 @@ +document.getElementById("loadProducts").addEventListener("click", async () => { + const res = await fetch("/api/v1/products"); + const data = await res.json(); + + const output = document.getElementById("output"); + output.innerHTML = data + .map( + (p) => ` +${p.name} - $${p.price}
+| `; + let deleteButton = ` | `; + let rowHTML = ` + | ${data.jobs[i].company} | +${data.jobs[i].position} | +${data.jobs[i].status} | +