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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' ,
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icon : 'file:googletranslate.png' ,
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group : [ 'input' , 'output' ] ,
version : 1 ,
description : 'Translate data using Google Translate' ,
subtitle : '={{$parameter["operation"] + ": " + $parameter["resource"]}}' ,
defaults : {
name : 'Google Translate' ,
} ,
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' ,
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noDataExpression : true ,
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options : [
{
name : 'Language' ,
value : 'language' ,
} ,
] ,
default : 'language' ,
} ,
{
displayName : 'Operation' ,
name : 'operation' ,
type : 'options' ,
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noDataExpression : true ,
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displayOptions : {
show : {
resource : [
'language' ,
] ,
} ,
} ,
options : [
{
name : 'Translate' ,
value : 'translate' ,
description : 'Translate data' ,
} ,
] ,
default : 'translate' ,
} ,
// ----------------------------------
// All
// ----------------------------------
{
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displayName : 'Text' ,
name : 'text' ,
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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 : '' ,
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description : 'The language to use for translation of the input text, set to one of the language codes listed in <a href="https://cloud.google.com/translate/docs/languages">Language Support</a>' ,
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required : true ,
displayOptions : {
show : {
operation : [
'translate' ,
] ,
} ,
} ,
} ,
] ,
} ;
methods = {
loadOptions : {
async getLanguages (
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this : ILoadOptionsFunctions ,
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) : Promise < INodePropertyOptions [ ] > {
const returnData : INodePropertyOptions [ ] = [ ] ;
const { data : { languages } } = await googleApiRequest . call (
this ,
'GET' ,
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'/language/translate/v2/languages' ,
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) ;
for ( const language of languages ) {
returnData . push ( {
name : language.language.toUpperCase ( ) ,
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value : language.language ,
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} ) ;
}
return returnData ;
} ,
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} ,
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} ;
async execute ( this : IExecuteFunctions ) : Promise < INodeExecutionData [ ] [ ] > {
const items = this . getInputData ( ) ;
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const length = items . length ;
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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' ) {
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const text = this . getNodeParameter ( 'text' , i ) as string ;
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const translateTo = this . getNodeParameter ( 'translateTo' , i ) as string ;
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const response = await googleApiRequest . call ( this , 'POST' , ` /language/translate/v2 ` , { q : text , target : translateTo } ) ;
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responseData . push ( response . data . translations [ 0 ] ) ;
}
}
}
return [ this . helpers . returnJsonArray ( responseData ) ] ;
}
}