From a38fb20e5a7f0280da272dde25f87013d3add7c0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Patrick=20M=C3=BCller?= <patrick@mueller-patrick.tech>
Date: Tue, 4 Jun 2024 11:55:30 +0200
Subject: [PATCH] Add endpoint that allows to move an event to a different
 calendar

---
 src/models/calendar/events/events.router.ts  | 57 ++++++++++++++++++++
 src/models/calendar/events/events.service.ts | 23 ++++++++
 2 files changed, 80 insertions(+)

diff --git a/src/models/calendar/events/events.router.ts b/src/models/calendar/events/events.router.ts
index f60ff4f..7768071 100644
--- a/src/models/calendar/events/events.router.ts
+++ b/src/models/calendar/events/events.router.ts
@@ -246,6 +246,63 @@ eventsRouter.put('/:eventId', async (req: Request, res: Response) => {
 	}
 });
 
+eventsRouter.put('/move/:eventId', async (req: Request, res: Response) => {
+	try {
+		// Get params
+		let sessionId: string = req.query.sessionId as string ?? '';
+		let sessionKey: string = req.query.sessionKey as string ?? '';
+		let ip: string = req.socket.remoteAddress ?? '';
+
+		let user = await UserService.checkSession(sessionId, sessionKey, ip);
+
+		if (!user.isActive) {
+			res.status(403).send({'message': 'You do not have access to the specified calendar.'});
+			return;
+		}
+
+		if (
+			req.params.eventId === undefined ||
+			req.body.calendarId === undefined
+		) {
+			res.status(400).send({'message': 'Required parameters missing'});
+			return;
+		}
+
+		let event: Event = {
+			eventId: parseInt(req.params.eventId, 10),
+			calendarId: req.body.calendarId,
+			uuid: '',
+			name: req.body.name,
+			description: req.body.description ?? '',
+			startDateTime: new Date(req.body.startDateTime),
+			endDateTime: new Date(req.body.endDateTime),
+			createdDate: new Date(),
+			location: req.body.location ?? '',
+			createdBy: req.body.createdBy ?? '',
+			createdById: user.userId ?? -1,
+			url: req.body.url ?? '',
+			wholeDay: req.body.wholeDay ?? false,
+			status: req.body.status ?? 'PUBLIC'
+		};
+
+		let success = await EventService.moveEvent(event);
+
+		if (success) {
+			res.status(200).send({'message': 'Event was successfully moved'});
+		} else {
+			res.status(500).send({'message': 'An error occurred during the moving process. Please try again.'});
+		}
+	} catch (e: any) {
+		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
+		});
+	}
+});
+
 eventsRouter.delete('/:eventId', async (req: Request, res: Response) => {
 	try {
 		// Get params
diff --git a/src/models/calendar/events/events.service.ts b/src/models/calendar/events/events.service.ts
index 60cdb59..cb6c4ba 100644
--- a/src/models/calendar/events/events.service.ts
+++ b/src/models/calendar/events/events.service.ts
@@ -188,3 +188,26 @@ export const deleteEvent = async (event: Event): Promise<boolean> => {
 		await conn.end();
 	}
 };
+
+/**
+ * Moves an event to the specified calendar
+ * @param event The event to move. Has to have the target calendar set already.
+ */
+export const moveEvent = async (event: Event): Promise<boolean> => {
+	let conn = await NachklangCalendarDB.getConnection();
+	try {
+		const eventQuery  = 'UPDATE events SET calendar_id = ? WHERE event_id = ?';
+		const eventRes = await conn.execute(eventQuery, [event.calendarId, event.eventId]);
+
+		await conn.commit();
+
+		return eventRes.affectedRows === 1;
+	} catch (err) {
+		await conn.rollback();
+		throw err;
+	} finally {
+		// Return connection
+		await conn.commit();
+		await conn.end();
+	}
+}