n8n/packages/nodes-base/nodes/Google/Perspective/GooglePerspective.node.ts

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import {
IExecuteFunctions,
} from 'n8n-core';
import {
IDataObject,
ILoadOptionsFunctions,
INodeExecutionData,
INodePropertyOptions,
INodeType,
INodeTypeDescription,
NodeOperationError,
} from 'n8n-workflow';
import {
AttributesValuesUi,
CommentAnalyzeBody,
Language,
RequestedAttributes,
} from './types';
import {
googleApiRequest,
} from './GenericFunctions';
const ISO6391 = require('iso-639-1');
export class GooglePerspective implements INodeType {
description: INodeTypeDescription = {
displayName: 'Google Perspective',
name: 'googlePerspective',
icon: 'file:perspective.svg',
group: [
'transform',
],
version: 1,
description: 'Consume Google Perspective API',
subtitle: '={{$parameter["operation"]}}',
defaults: {
name: 'Google Perspective',
},
inputs: [
'main',
],
outputs: [
'main',
],
credentials: [
{
name: 'googlePerspectiveOAuth2Api',
required: true,
},
],
properties: [
{
displayName: 'Operation',
name: 'operation',
type: 'options',
options: [
{
name: 'Analyze Comment',
value: 'analyzeComment',
},
],
default: 'analyzeComment',
},
{
displayName: 'Text',
name: 'text',
type: 'string',
default: '',
required: true,
displayOptions: {
show: {
operation: [
'analyzeComment',
],
},
},
},
{
displayName: 'Attributes to Analyze',
name: 'requestedAttributesUi',
type: 'fixedCollection',
default: '',
typeOptions: {
multipleValues: true,
},
placeholder: 'Add Atrribute',
required: true,
displayOptions: {
show: {
operation: [
'analyzeComment',
],
},
},
options: [
{
displayName: 'Properties',
name: 'requestedAttributesValues',
values: [
{
displayName: 'Attribute Name',
name: 'attributeName',
type: 'options',
options: [
{
name: 'Flirtation',
value: 'flirtation',
},
{
name: 'Identity Attack',
value: 'identity_attack',
},
{
name: 'Insult',
value: 'insult',
},
{
name: 'Profanity',
value: 'profanity',
},
{
name: 'Severe Toxicity',
value: 'severe_toxicity',
},
{
name: 'Sexually Explicit',
value: 'sexually_explicit',
},
{
name: 'Threat',
value: 'threat',
},
{
name: 'Toxicity',
value: 'toxicity',
},
],
description: 'Attribute to analyze in the text. Details <a href="https://developers.perspectiveapi.com/s/about-the-api-attributes-and-languages">here</a>',
default: 'flirtation',
},
{
displayName: 'Score Threshold',
name: 'scoreThreshold',
type: 'number',
typeOptions: {
numberPrecision: 2,
minValue: 0,
maxValue: 1,
},
description: 'Score above which to return results. At zero, all scores are returned.',
default: 0,
},
],
},
],
},
{
displayName: 'Options',
name: 'options',
type: 'collection',
displayOptions: {
show: {
operation: [
'analyzeComment',
],
},
},
default: {},
placeholder: 'Add Option',
options: [
{
displayName: 'Languages',
name: 'languages',
type: 'options',
typeOptions: {
loadOptionsMethod: 'getLanguages',
},
default: '',
description: 'Languages of the text input. If unspecified, the API will auto-detect the comment language',
},
],
},
],
};
methods = {
loadOptions: {
// Get all the available languages to display them to user so that he can
// select them easily
async getLanguages(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
const returnData: INodePropertyOptions[] = [];
const supportedLanguages = [
'English',
'Spanish',
'French',
'German',
'Portuguese',
'Italian',
'Russian',
];
const languages = ISO6391.getAllNames().filter((language: string) => supportedLanguages.includes(language));
for (const language of languages) {
const languageName = language;
const languageId = ISO6391.getCode(language);
returnData.push({
name: languageName,
value: languageId,
});
}
return returnData;
},
},
};
async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
const items = this.getInputData();
const operation = this.getNodeParameter('operation', 0);
const returnData: IDataObject[] = [];
let responseData;
for (let i = 0; i < items.length; i++) {
try {
if (operation === 'analyzeComment') {
// https://developers.perspectiveapi.com/s/about-the-api-methods
const attributes = this.getNodeParameter(
'requestedAttributesUi.requestedAttributesValues', i, [],
) as AttributesValuesUi[];
if (!attributes.length) {
throw new NodeOperationError(
this.getNode(),
'Please enter at least one attribute to analyze.',
);
}
const requestedAttributes = attributes.reduce<RequestedAttributes>((acc, cur) => {
return Object.assign(acc, {
[cur.attributeName.toUpperCase()]: {
scoreType: 'probability',
scoreThreshold: cur.scoreThreshold,
},
});
}, {});
const body: CommentAnalyzeBody = {
comment: {
type: 'PLAIN_TEXT',
text: this.getNodeParameter('text', i) as string,
},
requestedAttributes,
};
const { languages } = this.getNodeParameter('options', i) as { languages: Language };
if (languages?.length) {
body.languages = languages;
}
responseData = await googleApiRequest.call(this, 'POST', '/v1alpha1/comments:analyze', body);
}
} catch (error) {
if (this.continueOnFail()) {
returnData.push({ error: error.message });
continue;
}
throw error;
}
Array.isArray(responseData)
? returnData.push(...responseData)
: returnData.push(responseData);
}
return [this.helpers.returnJsonArray(responseData)];
}
}