✨ Add Google Translate node (#1086)

* ✨ Add Google Translate node * 🔨 Add autoload for target languages * ⚡ Small improvements Co-authored-by: Tanay Pant <tanaypant@protonmail.com>
2025-12-17 10:02:05 +00:00 · 2020-10-22 05:36:42 -04:00
parent 3e56d5fc08
commit b2e3b8de16
5 changed files with 384 additions and 0 deletions
--- a/packages/nodes-base/nodes/Google/Translate/GoogleTranslate.node.ts
+++ b/packages/nodes-base/nodes/Google/Translate/GoogleTranslate.node.ts
@@ -0,0 +1,194 @@
+
+import {
+	IExecuteFunctions,
+} from 'n8n-core';
+
+import {
+	ILoadOptionsFunctions,
+	INodeExecutionData,
+	INodePropertyOptions,
+	INodeType,
+	INodeTypeDescription,
+} from 'n8n-workflow';
+
+import {
+	googleApiRequest,
+} from './GenericFunctions';
+
+export interface IGoogleAuthCredentials {
+	email: string;
+	privateKey: string;
+}
+
+export class GoogleTranslate implements INodeType {
+	description: INodeTypeDescription = {
+		displayName: 'Google Translate',
+		name: 'googleTranslate',
+		icon: 'file:googletranslate.svg',
+		group: ['input', 'output'],
+		version: 1,
+		description: 'Translate data using Google Translate',
+		subtitle: '={{$parameter["operation"] + ": " + $parameter["resource"]}}',
+		defaults: {
+			name: 'Google Translate',
+			color: '#5390f5',
+		},
+		inputs: ['main'],
+		outputs: ['main'],
+		credentials: [
+			{
+				name: 'googleApi',
+				required: true,
+				displayOptions: {
+					show: {
+						authentication: [
+							'serviceAccount',
+						],
+					},
+				},
+			},
+			{
+				name: 'googleTranslateOAuth2Api',
+				required: true,
+				displayOptions: {
+					show: {
+						authentication: [
+							'oAuth2',
+						],
+					},
+				},
+			},
+		],
+		properties: [
+			{
+				displayName: 'Authentication',
+				name: 'authentication',
+				type: 'options',
+				options: [
+					{
+						name: 'Service Account',
+						value: 'serviceAccount',
+					},
+					{
+						name: 'OAuth2',
+						value: 'oAuth2',
+					},
+				],
+				default: 'serviceAccount',
+			},
+			{
+				displayName: 'Resource',
+				name: 'resource',
+				type: 'options',
+				options: [
+					{
+						name: 'Language',
+						value: 'language',
+					},
+				],
+				default: 'language',
+				description: 'The operation to perform',
+			},
+			{
+				displayName: 'Operation',
+				name: 'operation',
+				type: 'options',
+				displayOptions: {
+					show: {
+						resource: [
+							'language',
+						],
+					},
+				},
+				options: [
+					{
+						name: 'Translate',
+						value: 'translate',
+						description: 'Translate data',
+					},
+				],
+				default: 'translate',
+				description: 'The operation to perform',
+			},
+			// ----------------------------------
+			//         All
+			// ----------------------------------
+			{
+				displayName: 'Query',
+				name: 'query',
+				type: 'string',
+				default: '',
+				description: 'The input text to translate',
+				required: true,
+				displayOptions: {
+					show: {
+						operation: [
+							'translate',
+						],
+					},
+				},
+			},
+			{
+				displayName: 'Translate To',
+				name: 'translateTo',
+				type: 'options',
+				typeOptions: {
+					loadOptionsMethod: 'getLanguages',
+				},
+				default: '',
+				description: 'The language to use for translation of the input text, set to one of the<br/> language codes listed in <a href="https://cloud.google.com/translate/docs/languages">Language Support</a>',
+				required: true,
+				displayOptions: {
+					show: {
+						operation: [
+							'translate',
+						],
+					},
+				},
+			},
+		],
+	};
+
+	methods = {
+		loadOptions: {
+			async getLanguages(
+				this: ILoadOptionsFunctions
+			): Promise<INodePropertyOptions[]> {
+				const returnData: INodePropertyOptions[] = [];
+				const { data: { languages } } = await googleApiRequest.call(
+					this,
+					'GET',
+					'/language/translate/v2/languages'
+				);
+				for (const language of languages) {
+					returnData.push({
+						name: language.language.toUpperCase(),
+						value: language.language
+					});
+				}
+				return returnData;
+			},
+		}
+	};
+
+	async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
+		const items = this.getInputData();
+		const length = items.length as unknown as number;
+
+		const resource = this.getNodeParameter('resource', 0) as string;
+		const operation = this.getNodeParameter('operation', 0) as string;
+		const responseData = [];
+		for (let i = 0; i < length; i++) {
+			if (resource === 'language') {
+				if (operation === 'translate') {
+					const query = this.getNodeParameter('query', i) as string;
+					const translateTo = this.getNodeParameter('translateTo', i) as string;
+
+					const response = await googleApiRequest.call(this, 'POST', `/language/translate/v2`, { q: query, target: translateTo });
+					responseData.push(response.data.translations[0]);
+				}
+			}
+		}
+		return [this.helpers.returnJsonArray(responseData)];
+	}
+}