From debc8dbafb3d8dfc02b08fdbc9a6fabfb78be14b Mon Sep 17 00:00:00 2001
From: Leo Giovanetti <hello@leog.me>
Date: Thu, 20 Oct 2022 20:49:57 -0300
Subject: [PATCH] Using abstracted booking cancellation (#191)

Implemented `DELETE /booking/:uid` as well as `DELETE
/booking/:uid/cancel` based on abstracted cancellation logic from
webapp.

PR dependant on https://github.com/calcom/cal.com/pull/5105

Co-authored-by: Alex van Andel <me@alexvanandel.com>
---
 pages/api/bookings/[id]/_delete.ts | 53 +++++++++++++++++++++---------
 pages/api/bookings/[id]/cancel.ts  | 14 ++++++++
 2 files changed, 51 insertions(+), 16 deletions(-)
 create mode 100644 pages/api/bookings/[id]/cancel.ts

diff --git a/pages/api/bookings/[id]/_delete.ts b/pages/api/bookings/[id]/_delete.ts
index 46014f5785..d03f1c7abd 100644
--- a/pages/api/bookings/[id]/_delete.ts
+++ b/pages/api/bookings/[id]/_delete.ts
@@ -1,37 +1,58 @@
 import type { NextApiRequest } from "next";
 
+import handleCancelBooking from "@calcom/features/bookings/lib/handleCancelBooking";
 import { defaultResponder } from "@calcom/lib/server";
+import { schemaBookingCancelParams } from "@calcom/prisma/zod-utils";
 
 import { schemaQueryIdParseInt } from "@lib/validations/shared/queryIdTransformParseInt";
 
 /**
  * @swagger
- * /bookings/{id}:
+ * /bookings/{id}/cancel:
  *   delete:
- *     summary: Remove an existing booking
- *     operationId: removeBookingById
+ *     summary: Booking cancellation
+ *     operationId: cancelBookingById
+ *     requestBody:
+ *       content:
+ *         application/json:
+ *           schema:
+ *             type: object
+ *             properties:
+ *               allRemainingBookings:
+ *                 type: boolean
+ *               reason:
+ *                 type: string
  *     parameters:
  *      - in: path
  *        name: id
  *        schema:
  *          type: integer
  *        required: true
- *        description: ID of the booking to delete
+ *        description: ID of the booking to cancel
  *     tags:
- *     - bookings
+ *       - bookings
  *     responses:
- *       201:
- *         description: OK, booking removed successfuly
+ *       200:
+ *         description: OK, booking cancelled successfuly
  *       400:
- *        description: Bad request. Booking id is invalid.
- *       401:
- *        description: Authorization information is missing or invalid.
+ *        description: |
+ *          Message | Cause
+ *          :--|:--
+ *          Booking not found| The provided id didn't correspond to any existing booking.
+ *          Cannot cancel past events| The provided id matched an existing booking with a past startDate.
+ *          User not found| The userId did not matched an existing user.
+ *       404:
+ *        description: User not found
  */
-export async function deleteHandler(req: NextApiRequest) {
-  const { prisma, query } = req;
-  const { id } = schemaQueryIdParseInt.parse(query);
-  await prisma.booking.delete({ where: { id } });
-  return { message: `Booking with id: ${id} deleted successfully` };
+async function handler(req: NextApiRequest) {
+  const { id } = schemaQueryIdParseInt.parse(req.query);
+  const { allRemainingBookings, cancellationReason } = schemaBookingCancelParams.parse({
+    ...req.body,
+    cancellationReason: req.body.reason,
+  });
+  // Normalizing for universal handler
+  req.body = { id, allRemainingBookings, cancellationReason };
+  return await handleCancelBooking(req);
 }
 
-export default defaultResponder(deleteHandler);
+export default defaultResponder(handler);
diff --git a/pages/api/bookings/[id]/cancel.ts b/pages/api/bookings/[id]/cancel.ts
new file mode 100644
index 0000000000..d450678e85
--- /dev/null
+++ b/pages/api/bookings/[id]/cancel.ts
@@ -0,0 +1,14 @@
+import { NextApiRequest, NextApiResponse } from "next";
+
+import { defaultHandler } from "@calcom/lib/server";
+
+import { withMiddleware } from "@lib/helpers/withMiddleware";
+
+import authMiddleware from "./_auth-middleware";
+
+export default withMiddleware()(async (req: NextApiRequest, res: NextApiResponse) => {
+  await authMiddleware(req);
+  return defaultHandler({
+    DELETE: import("./_delete"),
+  })(req, res);
+});