cal.pub0.org/pages/api/availability/day.ts

import type {NextApiRequest, NextApiResponse} from 'next';
import {getSession} from 'next-auth/client';
import prisma from '../../../lib/prisma';

export default async function handler(req: NextApiRequest, res: NextApiResponse) {
    const session = await getSession({req: req});

    if (!session) {
        res.status(401).json({message: "Not authenticated"});
        return;
    }

    if (req.method == "PATCH") {
        const startMins = req.body.start;
        const endMins = req.body.end;
        const bufferMins = req.body.buffer;

        const updateDay = await prisma.user.update({
            where: {
                id: session.user.id,
            },
            data: {
                startTime: startMins,
                endTime: endMins,
                bufferTime: bufferMins
            },
        });

        res.status(200).json({message: 'Start and end times updated successfully'});
    }
}