✨(openai) Add "Create transcription" action

Closes #1134

packages/forge/blocks/openai/actions/createTranscription.tsx

@@ -0,0 +1,53 @@
+import { option, createAction } from '@typebot.io/forge'
+import { defaultOpenAIOptions } from '../constants'
+import OpenAI, { ClientOptions, toFile } from 'openai'
+import { isNotEmpty } from '@typebot.io/lib'
+import { auth } from '../auth'
+import { baseOptions } from '../baseOptions'
+import ky from 'ky'
+
+export const createTranscription = createAction({
+  name: 'Create transcription',
+  auth,
+  baseOptions,
+  options: option.object({
+    url: option.string.layout({
+      label: 'Audio URL',
+    }),
+    transcriptionVariableId: option.string.layout({
+      label: 'Save result to',
+      inputType: 'variableDropdown',
+    }),
+  }),
+  getSetVariableIds: (options) =>
+    options.transcriptionVariableId ? [options.transcriptionVariableId] : [],
+  run: {
+    server: async ({ credentials: { apiKey }, options, variables, logs }) => {
+      if (!options.url) return logs.add('Audio URL is empty')
+      if (!options.transcriptionVariableId)
+        return logs.add('Missing transcription variable')
+
+      const config = {
+        apiKey,
+        baseURL: options.baseUrl ?? defaultOpenAIOptions.baseUrl,
+        defaultHeaders: {
+          'api-key': apiKey,
+        },
+        defaultQuery: isNotEmpty(options.apiVersion)
+          ? {
+              'api-version': options.apiVersion,
+            }
+          : undefined,
+      } satisfies ClientOptions
+
+      const openai = new OpenAI(config)
+
+      const result = await openai.audio.transcriptions.create({
+        file: await fetch(options.url),
+        model: 'whisper-1',
+      })
+
+      variables.set(options.transcriptionVariableId, result.text)
+    },
+  },
+})

packages/forge/blocks/openai/index.ts

@@ -6,6 +6,7 @@ import { auth } from './auth'
 import { baseOptions } from './baseOptions'
 import { askAssistant } from './actions/askAssistant'
 import { generateVariables } from './actions/generateVariables'
+import { createTranscription } from './actions/createTranscription'
 
 export const openAIBlock = createBlock({
   id: 'openai' as const,
@@ -20,6 +21,7 @@ export const openAIBlock = createBlock({
     askAssistant,
     generateVariables,
     createSpeech,
+    createTranscription,
   ],
   docsUrl: 'https://docs.typebot.io/forge/blocks/openai',
 })