API-32: Basic Endpoint for RaPla-Middleware, already able to remove blockers

src/models/rapla-middleware/RaPlaMiddleware.router.ts

@@ -0,0 +1,63 @@
+/**
+ * Required External Modules and Interfaces
+ */
+import express, {Request, Response} from 'express';
+import logger from '../../middleware/logger';
+import {Guid} from 'guid-typescript';
+import * as icalgenerator from './icalgenerator/icalgenerator.service';
+
+/**
+ * Router Definition
+ */
+export const raPlaMiddlewareRouter = express.Router();
+
+raPlaMiddlewareRouter.get('/', async (req: Request, res: Response) => {
+    try {
+        let user = (req.query.user ?? '').toString();
+        let file = (req.query.file ?? '').toString();
+        let blockers = (req.query.blockers ?? '').toString() === '1';
+        let wahl = (req.query.wahl ?? '').toString();
+        let pflicht = (req.query.pflicht ?? '').toString();
+
+        const allowedCharsRegex: RegExp = /^[a-zA-Z0-9]+$/;
+
+        if (user === '' || file === '') {
+            res.status(400).send('Please at least provide user and file for RaPla!');
+            return;
+        } else if (!allowedCharsRegex.test(user) || !allowedCharsRegex.test(file)) {
+            res.status(400).send('Please provide a valid user and file!');
+            return;
+        }
+
+        let resultingFile = await icalgenerator.getiCalFile(user, file, blockers, wahl, pflicht);
+
+        res.set({'Content-Disposition': 'attachment; filename=' + file + '.ics'});
+        res.status(200).send(resultingFile);
+    } catch (e) {
+        let errorGuid = Guid.create().toString();
+        logger.error('Error handling a request: ' + e.message, {reference: errorGuid});
+        res.status(500).send({
+            'status': 'PROCESSING_ERROR',
+            'message': 'Internal Server Error. Try again later.',
+            'reference': errorGuid
+        });
+    }
+});
+
+let electiveModules = {
+    1: {name: ''},
+    2: {name: ''},
+    3: {name: ''},
+    4: {name: ''},
+    5: {name: ''},
+    6: {name: ''},
+    7: {name: ''}
+};
+
+let profileModules = {
+    1: {name: ''},
+    2: {name: ''},
+    3: {name: ''},
+    4: {name: ''},
+    5: {name: ''}
+};