🐛 (wa) Fix WhatsApp session stuck if state object is empty

Closes #1513

packages/bot-engine/queries/getSession.ts

@@ -1,11 +1,19 @@
 import prisma from '@typebot.io/lib/prisma'
 import { sessionStateSchema } from '@typebot.io/schemas'
+import { deleteSession } from './deleteSession'
 
 export const getSession = async (sessionId: string) => {
   const session = await prisma.chatSession.findUnique({
     where: { id: sessionId },
     select: { id: true, state: true, updatedAt: true, isReplying: true },
   })
-  if (!session) return null
-  return { ...session, state: sessionStateSchema.parse(session.state) }
+  if (!session?.state) return null
+  if (Object.keys(session.state).length === 0) {
+    await deleteSession(session.id)
+    return null
+  }
+  return {
+    ...session,
+    state: sessionStateSchema.parse(session.state),
+  }
 }

packages/bot-engine/queries/removeIsReplyingInChatSession.ts

@@ -0,0 +1,7 @@
+import prisma from '@typebot.io/lib/prisma'
+
+export const removeIsReplyingInChatSession = async (id: string) =>
+  prisma.chatSession.updateMany({
+    where: { id },
+    data: { isReplying: false },
+  })

packages/bot-engine/queries/setIsReplyingInChatSession.ts

@@ -4,7 +4,7 @@ type Props = {
   existingSessionId: string | undefined
   newSessionId: string
 }
-export const setChatSessionHasReplying = async ({
+export const setIsReplyingInChatSession = async ({
   existingSessionId,
   newSessionId,
 }: Props) => {

packages/bot-engine/whatsapp/resumeWhatsAppFlow.ts

@@ -13,7 +13,8 @@ import { saveStateToDatabase } from '../saveStateToDatabase'
 import prisma from '@typebot.io/lib/prisma'
 import { isDefined } from '@typebot.io/lib/utils'
 import { Reply } from '../types'
-import { setChatSessionHasReplying } from '../queries/setChatSessionHasReplying'
+import { setIsReplyingInChatSession } from '../queries/setIsReplyingInChatSession'
+import { removeIsReplyingInChatSession } from '../queries/removeIsReplyingInChatSession'
 
 type Props = {
   receivedMessage: WhatsAppIncomingMessage
@@ -75,7 +76,7 @@ export const resumeWhatsAppFlow = async ({
     }
   }
 
-  await setChatSessionHasReplying({
+  await setIsReplyingInChatSession({
     existingSessionId: session?.id,
     newSessionId: sessionId,
   })
@@ -101,6 +102,7 @@ export const resumeWhatsAppFlow = async ({
       : { error: 'workspaceId not found' }
 
   if ('error' in resumeResponse) {
+    await removeIsReplyingInChatSession(sessionId)
     console.log('Chat not starting:', resumeResponse.error)
     return {
       message: 'Message received',