n8n/packages/nodes-base/nodes/DeepL/DeepL.node.ts
Omar Ajoue b2c674591c
Feature/paired item support (#3869)
* Add paired item helper and implement it in some nodes
2022-08-30 17:55:33 +02:00

159 lines
3.7 KiB
TypeScript

import { IExecuteFunctions } from 'n8n-core';
import {
IDataObject,
ILoadOptionsFunctions,
INodeExecutionData,
INodePropertyOptions,
INodeType,
INodeTypeDescription,
NodeExecutionWithMetadata,
} from 'n8n-workflow';
import { deepLApiRequest } from './GenericFunctions';
import { textOperations } from './TextDescription';
export class DeepL implements INodeType {
description: INodeTypeDescription = {
displayName: 'DeepL',
name: 'deepL',
icon: 'file:deepl.svg',
group: ['input', 'output'],
version: 1,
description: 'Translate data using DeepL',
subtitle: '={{$parameter["operation"] + ": " + $parameter["resource"]}}',
defaults: {
name: 'DeepL',
},
inputs: ['main'],
outputs: ['main'],
credentials: [
{
name: 'deepLApi',
required: true,
},
],
properties: [
{
displayName: 'Resource',
name: 'resource',
type: 'options',
noDataExpression: true,
options: [
{
name: 'Language',
value: 'language',
},
],
default: 'language',
},
{
displayName: 'Operation',
name: 'operation',
type: 'options',
noDataExpression: true,
displayOptions: {
show: {
resource: ['language'],
},
},
options: [
{
name: 'Translate',
value: 'translate',
description: 'Translate data',
action: 'Translate a language',
},
],
default: 'translate',
},
...textOperations,
],
};
methods = {
loadOptions: {
async getLanguages(this: ILoadOptionsFunctions) {
const returnData: INodePropertyOptions[] = [];
const languages = await deepLApiRequest.call(
this,
'GET',
'/languages',
{},
{ type: 'target' },
);
for (const language of languages) {
returnData.push({
name: language.name,
value: language.language,
});
}
returnData.sort((a, b) => {
if (a.name < b.name) {
return -1;
}
if (a.name > b.name) {
return 1;
}
return 0;
});
return returnData;
},
},
};
async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
const items = this.getInputData();
const length = items.length;
const responseData: INodeExecutionData[] = [];
for (let i = 0; i < length; i++) {
try {
const resource = this.getNodeParameter('resource', i) as string;
const operation = this.getNodeParameter('operation', i) as string;
const additionalFields = this.getNodeParameter('additionalFields', i) as IDataObject;
if (resource === 'language') {
if (operation === 'translate') {
let body: IDataObject = {};
const text = this.getNodeParameter('text', i) as string;
const translateTo = this.getNodeParameter('translateTo', i) as string;
body = { target_lang: translateTo, text } as IDataObject;
if (additionalFields.sourceLang !== undefined) {
body.source_lang = ['EN-GB', 'EN-US'].includes(additionalFields.sourceLang as string)
? 'EN'
: additionalFields.sourceLang;
}
const { translations } = await deepLApiRequest.call(this, 'GET', '/translate', body);
const [translation] = translations;
const translationJsonArray = this.helpers.returnJsonArray(translation);
const executionData = this.helpers.constructExecutionMetaData(
translationJsonArray,
{ itemData: { item: i } },
);
responseData.push(...executionData);
}
}
} catch (error) {
if (this.continueOnFail()) {
const executionErrorData = {
json: {} as IDataObject,
error: error.message,
itemIndex: i,
};
responseData.push(executionErrorData as INodeExecutionData);
continue;
}
throw error;
}
}
return [responseData];
}
}