✨ Add "Generate variables" actions in AI blocks

Closes #1586

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

@@ -1,5 +1,4 @@
 import { createAction } from '@typebot.io/forge'
-import OpenAI, { ClientOptions } from 'openai'
 import { defaultOpenAIOptions } from '../constants'
 import { auth } from '../auth'
 import { baseOptions } from '../baseOptions'
@@ -8,6 +7,7 @@ import { getChatCompletionSetVarIds } from '../shared/getChatCompletionSetVarIds
 import { runChatCompletion } from '../shared/runChatCompletion'
 import { runChatCompletionStream } from '../shared/runChatCompletionStream'
 import { getChatCompletionStreamVarId } from '../shared/getChatCompletionStreamVarId'
+import { fetchGPTModels } from '../helpers/fetchModels'
 
 export const createChatCompletion = createAction({
   name: 'Create chat completion',
@@ -45,34 +45,12 @@ export const createChatCompletion = createAction({
     {
       id: 'fetchModels',
       dependencies: ['baseUrl', 'apiVersion'],
-      fetch: async ({ credentials, options }) => {
-        if (!credentials?.apiKey) return []
-
-        const baseUrl = options?.baseUrl ?? defaultOpenAIOptions.baseUrl
-        const config = {
-          apiKey: credentials.apiKey,
-          baseURL: baseUrl ?? defaultOpenAIOptions.baseUrl,
-          defaultHeaders: {
-            'api-key': credentials.apiKey,
-          },
-          defaultQuery: options?.apiVersion
-            ? {
-                'api-version': options.apiVersion,
-              }
-            : undefined,
-        } satisfies ClientOptions
-
-        const openai = new OpenAI(config)
-
-        const models = await openai.models.list()
-
-        return (
-          models.data
-            .filter((model) => model.id.includes('gpt'))
-            .sort((a, b) => b.created - a.created)
-            .map((model) => model.id) ?? []
-        )
-      },
+      fetch: ({ credentials, options }) =>
+        fetchGPTModels({
+          apiKey: credentials?.apiKey,
+          baseUrl: options.baseUrl,
+          apiVersion: options.apiVersion,
+        }),
     },
   ],
   run: {