backend

index.js

+const express = require("express")
+const app = express()
+const PORT = 3001;
+const bodyParser = require("body-parser")
+
+let reminders = {
+    reminders: [
+        {
+            name: "Buy some eggs",
+            timestamp: "2021-11-11T00:00:00.141Z",
+            id: 1
+        },
+        {
+            name: "Make an omelette",
+            timestamp: "2021-11-11T00:00:00.141Z",
+            id: 2
+        },
+        {
+            name: "Wash dishes",
+            timestamp: "2021-11-11T00:00:00.141Z",
+            id: 3
+        },
+        {
+            name: "Buy more eggs",
+            timestamp: "2021-11-11T00:00:00.141Z",
+            id: 4
+        }
+    ]
+}
+
+app.get("/",(req, res) => {
+    res.send("<h1>Hello World!</h1>")
+})
+
+app.get("/api/reminders", (req, res) => {
+    res.json(reminders)
+})
+
+
+app.get("/api/reminders/:id", (req, res) => {
+    const id = Number(req.params.id)
+    const reminder = reminders.reminders.find(reminder => reminder.id === id)
+
+    if(reminder) {
+        res.json(reminder)
+    } else {
+        res.status(404).end()
+    }
+
+})
+
+app.delete("/api/reminders/:id",(req, res) =>{
+    const id = Number(req.params.id)
+    reminders = reminders.reminders.filter(reminder => reminder.id !== id);
+    res.status(204).end()
+})
+
+app.use(bodyParser.json())
+
+app.post('/api/reminders/', (request, response) => {
+    const body = request.body
+
+    if(body.name === undefined || body.timestamp === undefined){
+        console.log('Error')
+        response.status(401).json({error: "Required info missing"})
+        return
+    }
+    if(reminders.reminders.some(reminder => reminder.name === body.name)){
+        console.log('Reminder already exists')
+        response.status(401).json({error: "Reminder already exists"})
+        return
+    }
+
+    const newReminder = {
+        name: String(body.name),
+        timestamp: Date.now(),
+        id: Math.floor(Math.random() * 100000)
+    }
+
+    response.json(newReminder)
+})
+
+app.listen(PORT, function(err) {
+    if (err) console.log(err)
+    console.log("Server listening on PORT", PORT)
+})

package.json

+{
+  "name": "wmo_backend",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "start": "node index.js",
+    "watch": "nodemon index.js",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "Matias Meri",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.17.1",
+    "nodemon": "^2.0.7"
+  }
+}