added prototype

webseite-gulp-ts/backend/.vscode/settings.json

@@ -0,0 +1,8 @@
+{
+  "workbench.colorCustomizations": {
+    "titleBar.activeForeground": "#333",
+    "titleBar.activeBackground": "#d0d06b",
+    "titleBar.inactiveForeground": "#ddd",
+    "titleBar.inactiveBackground": "#a4a464"
+  }
+}

webseite-gulp-ts/backend/api.rest

@@ -0,0 +1,68 @@
+# BROWSE Products
+
+GET http://127.0.0.1:8000/api/products
+
+###
+
+# READ Product
+
+GET http://127.0.0.1:8000/api/products/c38913d4-9524-461f-85d2-525241166e8e
+
+
+###
+
+# ADD Product
+
+POST http://127.0.0.1:8000/api/products
+Content-Type: application/json
+
+{
+  "name": "Testproduct",
+  "price": 9.99 
+}
+
+###
+
+# UPDATE Product
+
+PUT http://127.0.0.1:8000/api/products
+Content-Type: application/json
+
+{
+  "_id": "940c316b-518c-4a18-b1f6-328e010eef4d",  
+  "name": "Testproduct Updated",
+  "price": 123.22
+}
+
+###
+
+# DELETE Product
+
+DELETE http://127.0.0.1:8000/api/products/6cbe4783-cfb5-4ed7-8196-9d6b55217de0
+Content-Type: application/json
+
+### 
+
+# RESET Products
+PATCH http://127.0.0.1:8000/api/products/reset
+Content-Type: application/json
+
+{
+  "reset": true
+}
+
+### 
+
+# SAVE Products
+PATCH http://127.0.0.1:8000/api/products/save
+Content-Type: application/json
+
+{
+  "save": true
+}
+
+
+
+
+
+

webseite-gulp-ts/backend/data/products.bakup.json

@@ -0,0 +1,38 @@
+[
+  {
+    "_id": "6cbe4783-cfb5-4ed7-8196-9d6b55217de0",
+    "position": 1,
+    "name": "3Doodler 3D Printing Pen",
+    "price": 29.99
+  },
+  {
+    "_id": "c38913d4-9524-461f-85d2-525241166e8e",
+    "position": 2,
+    "name": "Powerstation 5- E. Maximus Chargus",
+    "price": 44.95
+  },
+  {
+    "_id": "cdc887bd-fb0e-4485-8516-0a3720c3bb72",
+    "position": 3,
+    "name": "8-Bit Legendary Hero Heat-Change Mug",
+    "price": 6.99
+  },
+  {
+    "_id": "bded2710-8db8-41a5-87af-269195eab449",
+    "position": 4,
+    "name": "16-Bit Legendary Hero Heat-Change Mug",
+    "price": 12.99
+  },
+  {
+    "_id": "3b3352c1-789d-4b4f-8a93-f05f44ece5a5",
+    "position": 5,
+    "name": "32-Bit Legendary Hero Heat-Change Mug",
+    "price": 18.99
+  },
+  {
+    "_id": "5af39d33-cbcd-42c7-a160-50084faa91ba",
+    "position": 6,
+    "name": "64-Bit Legendary Hero Heat-Change Mug",
+    "price": 21.99
+  }
+]

webseite-gulp-ts/backend/data/products.json

@@ -0,0 +1,38 @@
+[
+  {
+    "_id": "6cbe4783-cfb5-4ed7-8196-9d6b55217de0",
+    "position": 1,
+    "name": "3Doodler 3D Printing Pen",
+    "price": 29.99
+  },
+  {
+    "_id": "c38913d4-9524-461f-85d2-525241166e8e",
+    "position": 2,
+    "name": "Powerstation 5- E. Maximus Chargus",
+    "price": 44.95
+  },
+  {
+    "_id": "cdc887bd-fb0e-4485-8516-0a3720c3bb72",
+    "position": 3,
+    "name": "8-Bit Legendary Hero Heat-Change Mug",
+    "price": 6.99
+  },
+  {
+    "_id": "bded2710-8db8-41a5-87af-269195eab449",
+    "position": 4,
+    "name": "16-Bit Legendary Hero Heat-Change Mug",
+    "price": 12.99
+  },
+  {
+    "_id": "3b3352c1-789d-4b4f-8a93-f05f44ece5a5",
+    "position": 5,
+    "name": "32-Bit Legendary Hero Heat-Change Mug",
+    "price": 18.99
+  },
+  {
+    "_id": "5af39d33-cbcd-42c7-a160-50084faa91ba",
+    "position": 6,
+    "name": "64-Bit Legendary Hero Heat-Change Mug",
+    "price": 21.99
+  }
+]

webseite-gulp-ts/backend/model/ProductModel.js

@@ -0,0 +1,113 @@
+import fs from 'node:fs';
+import { v4 as id } from 'uuid';
+
+// Factoryfunction
+const ProductModel = () => {
+  let products = [];
+
+  const load = () => {
+    try {
+      products = JSON.parse(fs.readFileSync('./data/products.json', 'utf-8'));
+    } catch (error) {
+      console.log('Something went wrong: ', error);
+      products = [];
+    }
+  };
+
+  const reset = () => {
+    try {
+      products = JSON.parse(fs.readFileSync('./data/products.bakup.json', 'utf-8'));
+    } catch (error) {
+      console.log('Something went wrong: ', error);
+      products = [];
+    }
+  };
+
+  const save = () => {
+    try {
+      fs.writeFileSync('./data/products.json', JSON.stringify(products, null, 2), 'utf-8');
+    } catch (error) {
+      console.log('Something went wrong:', error);
+    }
+  };
+
+  const getAll = () => {
+    return products;
+  };
+
+  const get = (id) => {
+    const product = products.find((product) => {
+      return product._id === id;
+    });
+
+    // Guard
+    if (!product) return null;
+
+    return product;
+  };
+
+  const add = (product) => {
+    const { name, price } = product;
+
+    if (!hasAllProps(product)) return false;
+
+    products.push({
+      _id: id(),
+      name,
+      price: Number(price.toFixed(2)),
+      position: products.length + 1,
+    });
+
+    return true;
+  };
+
+  const update = (product) => {
+    const foundIdx = products.findIndex((obj) => {
+      return obj._id === product._id;
+    });
+
+    // Guard
+    if (foundIdx === -1 || !hasAllProps(product)) return false;
+
+    products[foundIdx] = product;
+    return true;
+  };
+
+  const remove = (id) => {
+    const foundIdx = products.findIndex((obj) => {
+      return obj._id === id;
+    });
+
+    // Guard
+    if (foundIdx === -1) return false;
+
+    products.splice(foundIdx, 1);
+
+    return true;
+  };
+
+  /**
+   * hasAllProps - Überprüfung ob Product "name" und "price"
+   * @return boolean
+   **/
+  const hasAllProps = (product) => {
+    // return Object.hasOwn(product, 'name') && Object.hasOwn(product, 'price');
+
+    const keys = Object.keys(product); // => ['name', 'price']
+    return keys.includes('name') && keys.includes('price');
+  };
+
+  return {
+    // load: load
+    load,
+    save,
+    add,
+    getAll,
+    get,
+    update,
+    delete: remove,
+    reset,
+  };
+};
+
+export default ProductModel;

webseite-gulp-ts/backend/package.json

@@ -0,0 +1,20 @@
+{
+  "name": "website-backend",
+  "version": "1.0.0",
+  "description": "",
+  "main": "server.js",
+  "scripts": {
+    "start": "npx nodemon server.js",
+    "server": "npx nodemon server.js"
+  },
+  "keywords": [],
+  "type": "module",
+  "license": "ISC",
+  "dependencies": {
+    "chalk": "^6.0.0",
+    "cors": "^2.8.6",
+    "dotenv": "^17.4.2",
+    "express": "^5.2.1",
+    "uuid": "^14.0.1"
+  }
+}

webseite-gulp-ts/backend/server.js

@@ -0,0 +1,158 @@
+import express from 'express';
+import color from 'chalk';
+import cors from 'cors';
+import dotenv from 'dotenv';
+
+dotenv.config(); // Sensible Konfigurationsvariablen in .env Datei auslagern
+
+// Model
+import ProductModel from './model/ProductModel.js'; // Dateiendung nicht vergessen
+
+const PORT = process.env.SERVER_PORT; // || 8000;
+const HOST = process.env.SERVER_HOST; // || '127.0.0.1'; // 'localhost'
+const BASE_URL = `http://${HOST}:${PORT}`;
+
+const app = express();
+const products = ProductModel();
+
+const corsOptions = {
+  origin: ['http://localhost:3000', 'http://127.0.0.1:3000'],
+  optionsSuccessStatus: 200, // some legacy browsers (IE11, various SmartTVs) choke on 204
+};
+
+// lade Produkte
+products.load();
+
+// Middleware
+app.use(cors(corsOptions)); // Fängt alle HTTP-Requests vor den Routenabfragen ab.
+app.use(express.json()); // HTTP-Request Body wird als JSON Objekt erwartet und geparsed wird. // app.use(bodyParser.json()) - Modul body-parser war in express 4 notwendig
+
+app.use((req, res, next) => {
+  console.log(color.yellow('HTTP-Method: '), color.magenta(req.method));
+  next();
+});
+
+// Routes
+app.get('/', (req, res) => {
+  // console.log(req.headers);
+
+  res.send('SERVER WORKS!'); // HTTP-Response wird gesendet.
+});
+
+app.get('/persons', (req, res) => {
+  // res.setHeader('Content-Type', 'application/json'); // nicht notwendig den Content-Type selber zu definieren, da das express automatisch zuweist.
+
+  const persons = [
+    { firstName: 'John', lastName: 'Wick' },
+    { firstName: 'Jane', lastName: 'Doe' },
+    { firstName: 'Max', lastName: 'Mustermann' },
+  ];
+  // res.send(JSON.stringify(persons)); // nicht notwendig JS Objekte in JSON Strings umzuwandeln, das das express automatisch umwandelt
+
+  res.send(persons);
+});
+
+// REST API ======
+// Representational State Transfer (abgekürzt REST)
+// GET - Daten Holen
+// POST - Daten hinzufügen
+// PUT/PATCH - Daten aktualisieren / Einen Datensatz aktualisieren
+// DELETE - Daten löschen
+
+// HTTP - Methode - POST
+// (C)RUD - create - neues Produkt erstellen
+// BRE(A)D - add
+app.post('/api/products', (req, res) => {
+  const product = req.body;
+
+  if (!products.add(product)) {
+    return res.status(400).send({ msg: 'Could not add product', status: 400, success: false });
+  }
+
+  return res.send({ msg: 'Product added', status: 200, success: true, data: product });
+});
+
+// HTTP - Methode - GET
+// C(R)UD - read
+// (B)READ - browse
+app.get('/api/products', (req, res) => {
+  const data = products.getAll();
+  return res.send(data);
+});
+
+// HTTP - Methode - GET
+// C(R)UD - read
+// B(R)EAD - read
+app.get('/api/products/:id', (req, res) => {
+  const id = req.params.id; // routenparameter :id wird als Eigenschaft in params-Objekt abgelegt
+  const product = products.get(id);
+
+  if (!product) {
+    return res.status(400).send({ msg: 'Could not get product', status: 400, success: false });
+  }
+
+  return res.send(product);
+});
+
+// HTTP - Methode - PUT/PATCH
+// CR(U)D - update
+// BR(E)AD - edit
+app.put('/api/products', (req, res) => {
+  const product = req.body;
+
+  const updated = products.update(product);
+
+  if (!updated) {
+    return res.status(400).send({ msg: 'Could not update product', status: 400, success: false });
+  }
+
+  return res.send({ msg: 'Product updated', status: 200, success: true, data: product });
+});
+
+// HTTP - Methode - PATCH
+// reseten von Produkten
+app.patch('/api/products/reset', (req, res) => {
+  const reset = req.body.reset;
+
+  if (!reset) {
+    return res.status(400).send({ msg: 'Could not reset products', status: 400, success: false });
+  }
+
+  products.reset();
+
+  return res.send({ msg: 'Products reseted', status: 200, success: true, data: reset });
+});
+
+// HTTP - Methode - PATCH
+// speichern von Produkten
+app.patch('/api/products/save', (req, res) => {
+  const save = req.body.save;
+
+  if (!save) {
+    return res.status(400).send({ msg: 'Could not save products', status: 400, success: false });
+  }
+
+  products.save();
+
+  return res.send({ msg: 'Products saved', status: 200, success: true, data: save });
+});
+
+// HTTP - Methode - DELETE
+// CRU(D) - delete
+// BREA(D) - delete
+app.delete('/api/products/:id', (req, res) => {
+  const id = req.params.id;
+
+  if (!products.delete(id)) {
+    return res.status(400).send({ msg: 'Could not delete product', status: 400, success: false });
+  }
+
+  return res.send({ msg: 'Product deleted', status: 200, success: true, data: id });
+});
+
+// =========
+
+app.listen(PORT, HOST, () => {
+  console.log(color.magenta(`🚀 Server is running at: ${BASE_URL}`));
+  console.log(color.yellow('CTRL + C to close.'));
+});

webseite-gulp-ts/backend/utils/json-modifier.js

@@ -0,0 +1,19 @@
+import fs from 'node:fs';
+import { v4 as id } from 'uuid';
+
+console.log(id()); // 97412ca6-c7a8-4868-a49b-3cf4c2258dd8
+
+try {
+  const data = JSON.parse(fs.readFileSync('../data/products.json', 'utf-8'));
+
+  const products = data.map((product, index) => {
+    return { _id: product._id || id(), position: index + 1, ...product };
+  });
+
+  console.log(products);
+
+  fs.writeFileSync('../data/products.json', JSON.stringify(products, null, 2), 'utf-8');
+  console.log('File modified');
+} catch (error) {
+  console.log(error);
+}

webseite-gulp-ts/backend/utils/package-lock.json

@@ -0,0 +1,28 @@
+{
+  "name": "utils",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "utils",
+      "version": "1.0.0",
+      "dependencies": {
+        "uuid": "^14.0.1"
+      }
+    },
+    "node_modules/uuid": {
+      "version": "14.0.1",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-14.0.1.tgz",
+      "integrity": "sha512-6ZxzVpzDXDa3bJWaHilVayA+BH/1zmxCJoVgvmqJnid/gPoKHxUrS/aC/T6LGQtNHT+XHG9fXPJB4d+IrU30Ew==",
+      "funding": [
+        "https://github.com/sponsors/broofa",
+        "https://github.com/sponsors/ctavan"
+      ],
+      "license": "MIT",
+      "bin": {
+        "uuid": "dist-node/bin/uuid"
+      }
+    }
+  }
+}

webseite-gulp-ts/backend/utils/package.json

@@ -0,0 +1,14 @@
+{
+  "name": "utils",
+  "version": "1.0.0",
+  "description": "",
+  "main": "json-modifier.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "type": "module",
+  "dependencies": {
+    "uuid": "^14.0.1"
+  }
+}