n8n/packages/nodes-base/nodes/Aws/Comprehend/AwsComprehend.node.ts
Omar Ajoue d6239d5bfb
Add full continue-on-fail support to all nodes (#1996)
* Update Compression node

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* Refactor Discourse node

* Support corner-case in Github node update

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* Lint fixes

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* Refactor & Update Vonage node

* Added new conditions to warnings on execute batch cmd

* Added keep only properties flag

* Fixed code for keep only props

* Added dependencies for image editing

Co-authored-by: dali <servfrdali@yahoo.fr>
2021-07-20 08:58:54 +02:00

286 lines
6.9 KiB
TypeScript

import {
IExecuteFunctions,
} from 'n8n-core';
import {
IDataObject,
INodeExecutionData,
INodeType,
INodeTypeDescription,
} from 'n8n-workflow';
import {
awsApiRequestREST,
} from './GenericFunctions';
export class AwsComprehend implements INodeType {
description: INodeTypeDescription = {
displayName: 'AWS Comprehend',
name: 'awsComprehend',
icon: 'file:comprehend.svg',
group: ['output'],
version: 1,
subtitle: '={{$parameter["operation"] + ": " + $parameter["resource"]}}',
description: 'Sends data to Amazon Comprehend',
defaults: {
name: 'AWS Comprehend',
color: '#5aa08d',
},
inputs: ['main'],
outputs: ['main'],
credentials: [
{
name: 'aws',
required: true,
},
],
properties: [
{
displayName: 'Resource',
name: 'resource',
type: 'options',
options: [
{
name: 'Text',
value: 'text',
},
],
default: 'text',
description: 'The resource to perform.',
},
{
displayName: 'Operation',
name: 'operation',
type: 'options',
options: [
{
name: 'Detect Dominant Language',
value: 'detectDominantLanguage',
description: 'Identify the dominant language',
},
{
name: 'Detect Entities',
value: 'detectEntities',
description: 'Inspects text for named entities, and returns information about them',
},
{
name: 'Detect Sentiment',
value: 'detectSentiment',
description: 'Analyse the sentiment of the text',
},
],
default: 'detectDominantLanguage',
description: 'The operation to perform.',
},
{
displayName: 'Language Code',
name: 'languageCode',
type: 'options',
options: [
{
name: 'Arabic',
value: 'ar',
},
{
name: 'Chinese',
value: 'zh',
},
{
name: 'Chinese (T)',
value: 'zh-TW',
},
{
name: 'English',
value: 'en',
},
{
name: 'French',
value: 'fr',
},
{
name: 'German',
value: 'de',
},
{
name: 'Hindi',
value: 'hi',
},
{
name: 'Italian',
value: 'it',
},
{
name: 'Japanese',
value: 'ja',
},
{
name: 'Korean',
value: 'ko',
},
{
name: 'Portuguese',
value: 'pt',
},
{
name: 'Spanish',
value: 'es',
},
],
default: 'en',
displayOptions: {
show: {
resource: [
'text',
],
operation: [
'detectSentiment',
'detectEntities',
],
},
},
description: 'The language code for text.',
},
{
displayName: 'Text',
name: 'text',
type: 'string',
typeOptions: {
alwaysOpenEditWindow: true,
},
default: '',
displayOptions: {
show: {
resource: [
'text',
],
},
},
description: 'The text to send.',
},
{
displayName: 'Simplify Response',
name: 'simple',
type: 'boolean',
displayOptions: {
show: {
resource: [
'text',
],
operation: [
'detectDominantLanguage',
],
},
},
default: true,
description: 'Return a simplified version of the response instead of the raw data.',
},
{
displayName: 'Additional Fields',
name: 'additionalFields',
type: 'collection',
placeholder: 'Add Field',
displayOptions: {
show: {
resource: [
'text',
],
operation: [
'detectEntities',
],
},
},
default: {},
options: [
{
displayName: 'Endpoint Arn',
name: 'endpointArn',
type: 'string',
typeOptions: {
alwaysOpenEditWindow: true,
},
default: '',
description: 'The Amazon Resource Name of an endpoint that is associated with a custom entity recognition model.',
},
],
},
],
};
async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
const items = this.getInputData();
const returnData: IDataObject[] = [];
let responseData;
const resource = this.getNodeParameter('resource', 0) as string;
const operation = this.getNodeParameter('operation', 0) as string;
for (let i = 0; i < items.length; i++) {
try {
if (resource === 'text') {
//https://docs.aws.amazon.com/comprehend/latest/dg/API_DetectDominantLanguage.html
if (operation === 'detectDominantLanguage') {
const text = this.getNodeParameter('text', i) as string;
const simple = this.getNodeParameter('simple', i) as boolean;
const body: IDataObject = {
Text: text,
};
const action = 'Comprehend_20171127.DetectDominantLanguage';
responseData = await awsApiRequestREST.call(this, 'comprehend', 'POST', '', JSON.stringify(body), { 'x-amz-target': action, 'Content-Type': 'application/x-amz-json-1.1' });
if (simple === true) {
responseData = responseData.Languages.reduce((accumulator: { [key: string]: number }, currentValue: IDataObject) => {
accumulator[currentValue.LanguageCode as string] = currentValue.Score as number;
return accumulator;
}, {});
}
}
//https://docs.aws.amazon.com/comprehend/latest/dg/API_DetectSentiment.html
if (operation === 'detectSentiment') {
const action = 'Comprehend_20171127.DetectSentiment';
const text = this.getNodeParameter('text', i) as string;
const languageCode = this.getNodeParameter('languageCode', i) as string;
const body: IDataObject = {
Text: text,
LanguageCode: languageCode,
};
responseData = await awsApiRequestREST.call(this, 'comprehend', 'POST', '', JSON.stringify(body), { 'x-amz-target': action, 'Content-Type': 'application/x-amz-json-1.1' });
}
//https://docs.aws.amazon.com/comprehend/latest/dg/API_DetectEntities.html
if (operation === 'detectEntities') {
const action = 'Comprehend_20171127.DetectEntities';
const text = this.getNodeParameter('text', i) as string;
const languageCode = this.getNodeParameter('languageCode', i) as string;
const additionalFields = this.getNodeParameter('additionalFields', i) as IDataObject;
const body: IDataObject = {
Text: text,
LanguageCode: languageCode,
};
if (additionalFields.endpointArn) {
body.EndpointArn = additionalFields.endpointArn;
}
responseData = await awsApiRequestREST.call(this, 'comprehend', 'POST', '', JSON.stringify(body), { 'x-amz-target': action, 'Content-Type': 'application/x-amz-json-1.1' });
responseData = responseData.Entities;
}
}
if (Array.isArray(responseData)) {
returnData.push.apply(returnData, responseData as IDataObject[]);
} else {
returnData.push(responseData as IDataObject);
}
} catch (error) {
if (this.continueOnFail()) {
returnData.push({ error: error.message });
continue;
}
throw error;
}
}
return [this.helpers.returnJsonArray(returnData)];
}
}