further work on billing

pages/api/booking/[uuid]/bill.ts

@@ -1,6 +1,6 @@
 import { NextApiRequest, NextApiResponse } from 'next'
 import { BillDocument } from '../../../../db/bill'
-import { createBill } from '../../../../db/index'
+import { createBill, patchBill } from '../../../../db/index'
 
 export default async function userHandler(
   req: NextApiRequest,
@@ -26,6 +26,16 @@ export default async function userHandler(
         return
       }
       break
+    case 'PATCH':
+      try {
+        bill = await patchBill(bookingUUID, req.body)
+        res.status(200).json(bill)
+      } catch (e) {
+        console.error(e)
+        res.status(500).end(`Internal Server Error...Guru is meditating...`)
+        return
+      }
+      break
     default:
       res.setHeader('Allow', ['POST'])
       res.status(405).end(`Method ${method} Not Allowed`)