webseite/backend/api.rest

@@ -38,9 +38,29 @@ Content-Type: application/json
 
 # DELETE Product
 
-DELETE http://127.0.0.1:8000/api/products/940c316b-518c-4a18-b1f6-328e010eef4d
+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/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/backend/data/products.json

@@ -35,4 +35,4 @@
     "name": "64-Bit Legendary Hero Heat-Change Mug",
     "price": 21.99
   }
-]
+]

webseite/backend/model/ProductModel.js

@@ -14,6 +14,15 @@ const ProductModel = () => {
     }
   };
 
+  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');
@@ -53,7 +62,6 @@ const ProductModel = () => {
   };
 
   const update = (product) => {
-    console.log(product);
     const foundIdx = products.findIndex((obj) => {
       return obj._id === product._id;
     });
@@ -98,6 +106,7 @@ const ProductModel = () => {
     get,
     update,
     delete: remove,
+    reset,
   };
 };
 

webseite/backend/package.json

@@ -4,6 +4,7 @@
   "description": "",
   "main": "server.js",
   "scripts": {
+    "start": "npx nodemon server.js",
     "server": "npx nodemon server.js"
   },
   "keywords": [],

webseite/backend/server.js

@@ -13,7 +13,7 @@ const app = express();
 const products = ProductModel();
 
 const corsOptions = {
-  origin: 'http://localhost:3000',
+  origin: ['http://localhost:3000', 'http://127.0.0.1:3000'],
   optionsSuccessStatus: 200, // some legacy browsers (IE11, various SmartTVs) choke on 204
 };
 
@@ -22,7 +22,12 @@ 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(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) => {
@@ -101,6 +106,34 @@ app.put('/api/products', (req, res) => {
   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