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.png', 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: 'Text', name: 'text', 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 language codes listed in Language Support', required: true, displayOptions: { show: { operation: [ 'translate', ], }, }, }, ], }; methods = { loadOptions: { async getLanguages( this: ILoadOptionsFunctions, ): Promise { 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 { 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 text = this.getNodeParameter('text', i) as string; const translateTo = this.getNodeParameter('translateTo', i) as string; const response = await googleApiRequest.call(this, 'POST', `/language/translate/v2`, { q: text, target: translateTo }); responseData.push(response.data.translations[0]); } } } return [this.helpers.returnJsonArray(responseData)]; } }