fixed Cache + implemented Cache

src/cache.ts

@@ -1,11 +1,11 @@
-export class Cache {
+export default class Cache {
     cachedData: any;
     lastUsed: Date;
     lifeTime: number;
     mensa: string;
 
     constructor() {
-        this.cachedData = {};
+        this.cachedData = null;
         this.lastUsed = new Date();
         this.lifeTime = 1000 * 30;
         this.mensa = "";
@@ -16,7 +16,7 @@ export class Cache {
             return null;
         }
 
-        if (this.cachedData === null) {
+        if (this.cachedData == null) {
             return null;
         }
 

src/index.ts

@@ -2,32 +2,43 @@
 import express, { Express, Request, Response} from "express";
 import dotenv from "dotenv";
 import cors from "cors";
-import bodyParser from "body-parser";
+import bodyParser, { text } from "body-parser";
 import morgan from "morgan";
 
 import fetch from './fetch.js';
+import Cache from './cache.js';
+import stripHtml from "./stripper.js";
 
 dotenv.config();
 
-const app: Express = express().use(cors({ origin: '*' })).use(bodyParser.json());
+const app: Express = express().use(cors({ origin: '*' }));
 app.use(morgan('combined'))
 
 const port = process.env.PORT || 3000;
 
 const baseUrl = "https://www.imensa.de/";
 
+const cache = new Cache();
+
 app.get("/", (req: Request, res: Response) => {
   res.send("Mensa API");
 });
 
-app.get("/api/:Ort/:Mensa", (req: Request, res: Response) => {
+app.get("/api/:Ort", (req: Request, res: Response) => {
     if (req.params.Ort === null) {
         return res.send("Invalid request");
     }
-    let url = baseUrl + req.params.Ort.toLowerCase(); 
-    fetch(url).then((data) => {
-        res.send(data);
-    });
+    let cachedData = cache.get();
+    if (cachedData !== null) {
+        return res.send(cachedData);
+    }else {
+        let url = baseUrl + req.params.Ort.toLowerCase(); 
+        fetch(url).then((data) => {
+            let stripedData = stripHtml(data);
+            cache.set(req.params.Ort, stripedData);
+            res.send(stripedData);
+        });
+    }
 
 });
 

src/stripper.ts

@@ -0,0 +1,3 @@
+export default function stripHtml(html: string): string {
+    return html;
+}