Add batch delete w/ keys in body

Fixes #819

api/src/controllers/webhooks.ts

@@ -1,9 +1,10 @@
 import express from 'express';
 import asyncHandler from 'express-async-handler';
 import { WebhooksService, MetaService } from '../services';
-import { ForbiddenException } from '../exceptions';
+import { ForbiddenException, InvalidPayloadException } from '../exceptions';
 import useCollection from '../middleware/use-collection';
 import { respond } from '../middleware/respond';
+import { PrimaryKey } from '../types';
 
 const router = express.Router();
 
@@ -82,6 +83,21 @@ router.patch(
 	respond
 );
 
+router.delete(
+	'/',
+	asyncHandler(async (req, res, next) => {
+		if (!req.body || Array.isArray(req.body) === false) {
+			throw new InvalidPayloadException(`Body has to be an array of primary keys`);
+		}
+
+		const service = new WebhooksService({ accountability: req.accountability });
+		await service.delete(req.body as PrimaryKey[]);
+
+		return next();
+	}),
+	respond
+);
+
 router.delete(
 	'/:pk',
 	asyncHandler(async (req, res, next) => {