✨ (setVariable) Add Transcription system var (#1507)

Closes #1484

packages/bot-engine/apiHandlers/continueChat.ts

@@ -52,6 +52,7 @@ export const continueChat = async ({ origin, sessionId, message }: Props) => {
     logs,
     lastMessageNewFormat,
     visitedEdges,
+    setVariableHistory,
   } = await continueBotFlow(message, {
     version: 2,
     state: session.state,
@@ -68,6 +69,7 @@ export const continueChat = async ({ origin, sessionId, message }: Props) => {
       logs,
       clientSideActions,
       visitedEdges,
+      setVariableHistory,
       hasCustomEmbedBubble: messages.some(
         (message) => message.type === 'custom-embed'
       ),

packages/bot-engine/apiHandlers/getMessageStream.ts

@@ -16,6 +16,7 @@ import { isForgedBlockType } from '@typebot.io/schemas/features/blocks/forged/he
 import { updateVariablesInSession } from '@typebot.io/variables/updateVariablesInSession'
 import { updateSession } from '../queries/updateSession'
 import { deepParseVariables } from '@typebot.io/variables/deepParseVariables'
+import { saveSetVariableHistoryItems } from '../queries/saveSetVariableHistoryItems'
 
 type Props = {
   sessionId: string
@@ -114,11 +115,17 @@ export const getMessageStream = async ({ sessionId, messages }: Props) => {
           (variable) => variable.id === id
         )
         if (!variable) return
+        const { updatedState, newSetVariableHistory } =
+          updateVariablesInSession({
+            newVariables: [{ ...variable, value }],
+            state: session.state,
+            currentBlockId: session.state.currentBlockId,
+          })
+        if (newSetVariableHistory.length > 0)
+          await saveSetVariableHistoryItems(newSetVariableHistory)
         await updateSession({
           id: session.id,
-          state: updateVariablesInSession(session.state)([
-            { ...variable, value },
-          ]),
+          state: updatedState,
           isReplying: undefined,
         })
       },

packages/bot-engine/apiHandlers/startChat.ts

@@ -33,6 +33,7 @@ export const startChat = async ({
     clientSideActions,
     newSessionState,
     visitedEdges,
+    setVariableHistory,
   } = await startSession({
     version: 2,
     startParams: {
@@ -69,6 +70,7 @@ export const startChat = async ({
         logs,
         clientSideActions,
         visitedEdges,
+        setVariableHistory,
         hasCustomEmbedBubble: messages.some(
           (message) => message.type === 'custom-embed'
         ),

packages/bot-engine/apiHandlers/startChatPreview.ts

@@ -13,6 +13,7 @@ type Props = {
   typebot?: StartTypebot
   userId?: string
   prefilledVariables?: Record<string, unknown>
+  sessionId?: string
 }
 
 export const startChatPreview = async ({
@@ -24,6 +25,7 @@ export const startChatPreview = async ({
   typebot: startTypebot,
   userId,
   prefilledVariables,
+  sessionId,
 }: Props) => {
   const {
     typebot,
@@ -34,6 +36,7 @@ export const startChatPreview = async ({
     clientSideActions,
     newSessionState,
     visitedEdges,
+    setVariableHistory,
   } = await startSession({
     version: 2,
     startParams: {
@@ -45,6 +48,7 @@ export const startChatPreview = async ({
       typebot: startTypebot,
       userId,
       prefilledVariables,
+      sessionId,
     },
     message,
   })
@@ -61,9 +65,11 @@ export const startChatPreview = async ({
         logs,
         clientSideActions,
         visitedEdges,
+        setVariableHistory,
         hasCustomEmbedBubble: messages.some(
           (message) => message.type === 'custom-embed'
         ),
+        initialSessionId: sessionId,
       })
 
   const isEnded =