n8n/packages/nodes-base/nodes/Google/CloudNaturalLanguage/GoogleCloudNaturalLanguage.node.ts

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import {
IExecuteFunctions,
} from 'n8n-core';
import {
IDataObject,
INodeExecutionData,
INodeType,
INodeTypeDescription,
} from 'n8n-workflow';
import {
IData,
} from './Interface';
import {
googleApiRequest,
} from './GenericFunctions';
export class GoogleCloudNaturalLanguage implements INodeType {
description: INodeTypeDescription = {
displayName: 'Google Cloud Natural Language',
name: 'googleCloudNaturalLanguage',
icon: 'file:googlecloudnaturallanguage.png',
group: ['input', 'output'],
version: 1,
description: 'Consume Google Cloud Natural Language API',
subtitle: '={{$parameter["operation"] + ": " + $parameter["resource"]}}',
defaults: {
name: 'Google Cloud Natural Language',
},
inputs: ['main'],
outputs: ['main'],
credentials: [
{
name: 'googleCloudNaturalLanguageOAuth2Api',
required: true,
},
],
properties: [
{
displayName: 'Resource',
name: 'resource',
type: 'options',
options: [
{
name: 'Document',
value: 'document',
},
],
default: 'document',
description: 'The resource to operate on.',
},
{
displayName: 'Operation',
name: 'operation',
type: 'options',
displayOptions: {
show: {
resource: [
'document',
],
},
},
options: [
{
name: 'Analyze Sentiment',
value: 'analyzeSentiment',
description: 'Analyze Sentiment',
},
],
default: 'analyzeSentiment',
description: 'The operation to perform',
},
// ----------------------------------
// All
// ----------------------------------
{
displayName: 'Source',
name: 'source',
type: 'options',
options: [
{
name: 'Content',
value: 'content',
},
{
name: 'Google Cloud Storage URI',
value: 'gcsContentUri',
},
],
default: 'content',
description: 'The source of the document: a string containing the content or a Google Cloud Storage URI.',
required: true,
displayOptions: {
show: {
operation: [
'analyzeSentiment',
],
},
},
},
{
displayName: 'Content',
name: 'content',
type: 'string',
default: '',
description: 'The content of the input in string format. Cloud audit logging exempt since it is based on user data. ',
required: true,
displayOptions: {
show: {
operation: [
'analyzeSentiment',
],
source: [
'content',
],
},
},
},
{
displayName: 'Google Cloud Storage URI',
name: 'gcsContentUri',
type: 'string',
default: '',
description: `The Google Cloud Storage URI where the file content is located. This URI must be of the form: <code>gs://bucket_name/object_name</code>. For more details, see <a href="https://cloud.google.com/storage/docs/reference-uris.">reference</a>.`,
required: true,
displayOptions: {
show: {
operation: [
'analyzeSentiment',
],
source: [
'gcsContentUri',
],
},
},
},
{
displayName: 'Options',
name: 'options',
type: 'collection',
displayOptions: {
show: {
operation: [
'analyzeSentiment',
],
},
},
default: {},
description: '',
placeholder: 'Add Option',
options: [
{
displayName: 'Document Type',
name: 'documentType',
type: 'options',
options: [
{
name: 'HTML',
value: 'HTML',
},
{
name: 'Plain Text',
value: 'PLAIN_TEXT',
},
],
default: 'PLAIN_TEXT',
description: 'The type of input document.',
required: true,
},
{
displayName: 'Encoding Type',
name: 'encodingType',
type: 'options',
options: [
{
name: 'None',
value: 'NONE',
},
{
name: 'UTF-8',
value: 'UTF8',
},
{
name: 'UTF-16',
value: 'UTF16',
},
{
name: 'UTF-32',
value: 'UTF32',
},
],
default: 'UTF16',
description: 'The encoding type used by the API to calculate sentence offsets.',
},
{
displayName: 'Language',
name: 'language',
type: 'options',
options: [
{
name: 'Arabic',
value: 'ar',
},
{
name: 'Chinese (Simplified) ',
value: 'zh',
},
{
name: 'Chinese (Traditional)',
value: 'zh-Hant',
},
{
name: 'Dutch',
value: 'nl',
},
{
name: 'English',
value: 'en',
},
{
name: 'French',
value: 'fr',
},
{
name: 'German',
value: 'de',
},
{
name: 'Indonesian',
value: 'id',
},
{
name: 'Italian',
value: 'it',
},
{
name: 'Japanese',
value: 'ja',
},
{
name: 'Korean',
value: 'ko',
},
{
name: 'Portuguese (Brazilian & Continental)',
value: 'pt',
},
{
name: 'Spanish',
value: 'es',
},
{
name: 'Thai',
value: 'th',
},
{
name: 'Turkish',
value: 'tr',
},
{
name: 'Vietnamese',
value: 'vi',
},
],
default: 'en',
placeholder: '',
description: 'The language of the document (if not specified, the language is automatically detected). Both ISO and BCP-47 language codes are accepted.',
},
],
},
],
};
async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
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 === 'document') {
if (operation === 'analyzeSentiment') {
const source = this.getNodeParameter('source', i) as string;
const options = this.getNodeParameter('options', i) as IDataObject;
const encodingType = (options.encodingType as string | undefined) || 'UTF16';
const documentType = (options.documentType as string | undefined) || 'PLAIN_TEXT';
const body: IData = {
document: {
type: documentType,
},
encodingType,
};
if (source === 'content') {
const content = this.getNodeParameter('content', i) as string;
body.document.content = content;
} else {
const gcsContentUri = this.getNodeParameter('gcsContentUri', i) as string;
body.document.gcsContentUri = gcsContentUri;
}
if (options.language) {
body.document.language = options.language as string;
}
const response = await googleApiRequest.call(this, 'POST', `/v1/documents:analyzeSentiment`, body);
responseData.push(response);
}
}
}
return [this.helpers.returnJsonArray(responseData)];
}
}