fix: OpenAI node text > message hide tools connector for unsupported models (#8866)

Signed-off-by: Oleg Ivaniv <me@olegivaniv.com>
Co-authored-by: Oleg Ivaniv <me@olegivaniv.com>

packages/@n8n/nodes-langchain/nodes/vendors/OpenAi/actions/text/message.operation.ts

@@ -4,12 +4,14 @@ import type {
 	INodeExecutionData,
 	IDataObject,
 } from 'n8n-workflow';
-import { updateDisplayOptions } from 'n8n-workflow';
+import { jsonParse, updateDisplayOptions } from 'n8n-workflow';
+import type { Tool } from '@langchain/core/tools';
 import { apiRequest } from '../../transport';
 import type { ChatCompletion } from '../../helpers/interfaces';
 import { formatToOpenAIAssistantTool } from '../../helpers/utils';
 import { modelRLC } from '../descriptions';
 import { getConnectedTools } from '../../../../../utils/helpers';
+import { MODELS_NOT_SUPPORT_FUNCTION_CALLS } from '../../helpers/constants';
 
 const properties: INodeProperties[] = [
 	modelRLC,
@@ -83,11 +85,28 @@ const properties: INodeProperties[] = [
 			'Whether to attempt to return the response in JSON format. Compatible with GPT-4 Turbo and all GPT-3.5 Turbo models newer than gpt-3.5-turbo-1106.',
 		default: false,
 	},
+	{
+		displayName: 'Hide Tools',
+		name: 'hideTools',
+		type: 'hidden',
+		default: 'hide',
+		displayOptions: {
+			show: {
+				modelId: MODELS_NOT_SUPPORT_FUNCTION_CALLS,
+				'@version': [{ _cnd: { gte: 1.2 } }],
+			},
+		},
+	},
 	{
 		displayName: 'Connect your own custom n8n tools to this node on the canvas',
 		name: 'noticeTools',
 		type: 'notice',
 		default: '',
+		displayOptions: {
+			hide: {
+				hideTools: ['hide'],
+			},
+		},
 	},
 	{
 		displayName: 'Options',
@@ -193,8 +212,15 @@ export async function execute(this: IExecuteFunctions, i: number): Promise<INode
 		];
 	}
 
-	const externalTools = await getConnectedTools(this, nodeVersion > 1);
+	const hideTools = this.getNodeParameter('hideTools', i, '') as string;
+
 	let tools;
+	let externalTools: Tool[] = [];
+
+	if (hideTools !== 'hide') {
+		const enforceUniqueNames = nodeVersion > 1;
+		externalTools = await getConnectedTools(this, enforceUniqueNames);
+	}
 
 	if (externalTools.length) {
 		tools = externalTools.length ? externalTools?.map(formatToOpenAIAssistantTool) : undefined;
@@ -226,7 +252,9 @@ export async function execute(this: IExecuteFunctions, i: number): Promise<INode
 			let functionResponse;
 			for (const tool of externalTools ?? []) {
 				if (tool.name === functionName) {
-					functionResponse = await tool.invoke(functionArgs);
+					const parsedArgs: { input: string } = jsonParse(functionArgs);
+					const functionInput = parsedArgs.input ?? functionArgs;
+					functionResponse = await tool.invoke(functionInput);
 				}
 			}
 

packages/@n8n/nodes-langchain/nodes/vendors/OpenAi/actions/versionDescription.ts

@@ -42,8 +42,17 @@ const prettifyOperation = (resource: string, operation: string) => {
 	return `${capitalize(operation)} ${capitalize(resource)}`;
 };
 
-const configureNodeInputs = (resource: string, operation: string) => {
-	if (['assistant', 'text'].includes(resource) && operation === 'message') {
+const configureNodeInputs = (resource: string, operation: string, hideTools: string) => {
+	if (resource === 'assistant' && operation === 'message') {
+		return [
+			{ type: NodeConnectionType.Main },
+			{ type: NodeConnectionType.AiTool, displayName: 'Tools' },
+		];
+	}
+	if (resource === 'text' && operation === 'message') {
+		if (hideTools === 'hide') {
+			return [NodeConnectionType.Main];
+		}
 		return [
 			{ type: NodeConnectionType.Main },
 			{ type: NodeConnectionType.AiTool, displayName: 'Tools' },
@@ -59,7 +68,7 @@ export const versionDescription: INodeTypeDescription = {
 	name: 'openAi',
 	icon: 'file:openAi.svg',
 	group: ['transform'],
-	version: [1, 1.1],
+	version: [1, 1.1, 1.2],
 	subtitle: `={{(${prettifyOperation})($parameter.resource, $parameter.operation)}}`,
 	description: 'Message an assistant or GPT, analyze images, generate audio, etc.',
 	defaults: {
@@ -79,7 +88,7 @@ export const versionDescription: INodeTypeDescription = {
 			],
 		},
 	},
-	inputs: `={{(${configureNodeInputs})($parameter.resource, $parameter.operation)}}`,
+	inputs: `={{(${configureNodeInputs})($parameter.resource, $parameter.operation, $parameter.hideTools)}}`,
 	outputs: ['main'],
 	credentials: [
 		{

packages/@n8n/nodes-langchain/nodes/vendors/OpenAi/helpers/constants.ts

@@ -0,0 +1,22 @@
+export const MODELS_NOT_SUPPORT_FUNCTION_CALLS = [
+	'gpt-3.5-turbo-16k-0613',
+	'dall-e-3',
+	'text-embedding-3-large',
+	'dall-e-2',
+	'whisper-1',
+	'tts-1-hd-1106',
+	'tts-1-hd',
+	'gpt-4-0314',
+	'text-embedding-3-small',
+	'gpt-4-32k-0314',
+	'gpt-3.5-turbo-0301',
+	'gpt-4-vision-preview',
+	'gpt-3.5-turbo-16k',
+	'gpt-3.5-turbo-instruct-0914',
+	'tts-1',
+	'davinci-002',
+	'gpt-3.5-turbo-instruct',
+	'babbage-002',
+	'tts-1-1106',
+	'text-embedding-ada-002',
+];