mirror of
https://github.com/n8n-io/n8n.git
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434 lines
11 KiB
TypeScript
434 lines
11 KiB
TypeScript
import {
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IHookFunctions,
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IWebhookFunctions,
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} from 'n8n-core';
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import {
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IDataObject,
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ILoadOptionsFunctions,
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INodeExecutionData,
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INodePropertyOptions,
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INodeType,
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INodeTypeDescription,
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IWebhookResponseData,
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} from 'n8n-workflow';
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import {
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idsExist,
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surveyMonkeyApiRequest,
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surveyMonkeyRequestAllItems,
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} from './GenericFunctions';
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import {
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createHmac,
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} from 'crypto';
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export class SurveyMonkeyTrigger implements INodeType {
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description: INodeTypeDescription = {
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displayName: 'SurveyMonkey Trigger',
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name: 'surveyMonkeyTrigger',
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icon: 'file:surveyMonkey.png',
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group: ['trigger'],
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version: 1,
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description: 'Starts the workflow when Survey Monkey events occure.',
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defaults: {
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name: 'SurveyMonkey Trigger',
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color: '#53b675',
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},
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inputs: [],
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outputs: ['main'],
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credentials: [
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{
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name: 'surveyMonkeyApi',
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required: true,
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},
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],
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webhooks: [
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{
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name: 'setup',
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httpMethod: 'HEAD',
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responseMode: 'onReceived',
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path: 'webhook',
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},
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{
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name: 'default',
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httpMethod: 'POST',
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responseMode: 'onReceived',
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path: 'webhook',
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},
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],
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properties: [
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{
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displayName: 'Event',
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name: 'event',
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type: 'options',
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options: [
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{
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name: 'Collector Created',
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value: 'collector_created',
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description: 'A collector is created',
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},
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{
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name: 'Collector Updated',
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value: 'collector_updated',
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description: 'A collector is updated',
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},
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{
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name: 'Collector Deleted',
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value: 'collector_deleted',
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description: 'A collector is deleted',
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},
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{
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name: 'Response Completed',
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value: 'response_completed',
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description: 'A survey response is completed',
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},
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{
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name: 'Response Created',
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value: 'response_created',
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description: 'A respondent begins a survey',
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},
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{
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name: 'Response Deleted',
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value: 'response_deleted',
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description: 'A response is deleted',
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},
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{
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name: 'Response Desqualified',
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value: 'response_desqualified',
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description: 'A survey response is disqualified ',
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},
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{
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name: 'Response Overquota',
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value: 'response_overquota',
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description: `A response is over a survey’s quota`,
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},
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{
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name: 'Response Updated',
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value: 'response_updated',
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description: 'A survey response is updated',
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},
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{
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name: 'Survey Created',
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value: 'survey_created',
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description: 'A survey is created',
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},
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{
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name: 'Survey Deleted',
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value: 'survey_deleted',
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description: 'A survey is deleted',
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},
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{
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name: 'Survey Updated',
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value: 'survey_updated',
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description: 'A survey is updated',
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},
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],
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default: '',
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required: true,
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},
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{
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displayName: 'Type',
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name: 'objectType',
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type: 'options',
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options: [
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{
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name: 'Collector',
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value: 'collector',
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},
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{
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name: 'Survey',
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value: 'survey',
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},
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],
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default: '',
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required: true,
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},
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{
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displayName: 'Survey IDs',
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name: 'surveyIds',
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type: 'multiOptions',
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displayOptions: {
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show: {
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objectType: [
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'survey',
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],
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},
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hide: {
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event: [
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'survey_created',
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],
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},
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},
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typeOptions: {
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loadOptionsMethod: 'getSurveys',
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},
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options: [],
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default: [],
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required: true,
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},
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{
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displayName: 'Survey ID',
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name: 'surveyId',
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type: 'options',
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displayOptions: {
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show: {
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objectType: [
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'collector',
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],
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},
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},
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typeOptions: {
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loadOptionsMethod: 'getSurveys',
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},
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default: [],
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required: true,
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},
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{
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displayName: 'Collector IDs',
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name: 'collectorIds',
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type: 'multiOptions',
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displayOptions: {
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show: {
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objectType: [
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'collector',
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],
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},
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},
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typeOptions: {
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loadOptionsMethod: 'getCollectors',
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loadOptionsDependsOn: [
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'surveyId',
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],
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},
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options: [],
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default: [],
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required: true,
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},
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{
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displayName: 'Resolve Data',
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name: 'resolveData',
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type: 'boolean',
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displayOptions: {
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show: {
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event: [
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'response_completed',
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],
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},
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},
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default: true,
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description: 'By default the webhook-data only contain the IDs. If this option gets activated it<br />will resolve the data automatically.',
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},
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],
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};
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methods = {
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loadOptions: {
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// Get all the survey's collectors to display them to user so that he can
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// select them easily
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async getCollectors(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
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const surveyId = this.getCurrentNodeParameter('surveyId');
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const returnData: INodePropertyOptions[] = [];
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const collectors = await surveyMonkeyRequestAllItems.call(this, 'data', 'GET', `/surveys/${surveyId}/collectors`);
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for (const collector of collectors) {
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const collectorName = collector.name;
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const collectorId = collector.id;
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returnData.push({
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name: collectorName,
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value: collectorId,
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});
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}
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return returnData;
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},
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// Get all the surveys to display them to user so that he can
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// select them easily
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async getSurveys(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
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const returnData: INodePropertyOptions[] = [];
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const surveys = await surveyMonkeyRequestAllItems.call(this, 'data', 'GET', '/surveys');
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for (const survey of surveys) {
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const surveyName = survey.title;
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const surveyId = survey.id;
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returnData.push({
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name: surveyName,
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value: surveyId,
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});
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}
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return returnData;
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},
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},
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};
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// @ts-ignore (because of request)
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webhookMethods = {
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default: {
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async checkExists(this: IHookFunctions): Promise<boolean> {
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const objectType = this.getNodeParameter('objectType') as string;
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const event = this.getNodeParameter('event') as string;
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// Check all the webhooks which exist already if it is identical to the
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// one that is supposed to get created.
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const endpoint = '/webhooks';
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const responseData = await surveyMonkeyRequestAllItems.call(this, 'data', 'GET', endpoint, {});
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const webhookUrl = this.getNodeWebhookUrl('default');
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const ids: string[] = [];
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if (objectType === 'survey') {
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const surveyIds = this.getNodeParameter('surveyIds') as string[];
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ids.push.apply(ids, surveyIds);
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} else if (objectType === 'collector') {
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const collectorIds = this.getNodeParameter('collectorIds') as string[];
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ids.push.apply(ids, collectorIds);
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}
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for (const webhook of responseData) {
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const webhookDetails = await surveyMonkeyApiRequest.call(this, 'GET', `/webhooks/${webhook.id}`);
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if (webhookDetails.subscription_url === webhookUrl
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&& idsExist(webhookDetails.object_ids as string[], ids as string[])
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&& webhookDetails.event_type === event) {
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// Set webhook-id to be sure that it can be deleted
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const webhookData = this.getWorkflowStaticData('node');
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webhookData.webhookId = webhook.id as string;
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return true;
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}
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}
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return false;
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},
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async create(this: IHookFunctions): Promise<boolean> {
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const webhookUrl = this.getNodeWebhookUrl('default');
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const event = this.getNodeParameter('event') as string;
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const objectType = this.getNodeParameter('objectType') as string;
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const endpoint = '/webhooks';
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const ids: string[] = [];
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if (objectType === 'survey') {
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const surveyIds = this.getNodeParameter('surveyIds') as string[];
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ids.push.apply(ids, surveyIds);
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} else if (objectType === 'collector') {
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const collectorIds = this.getNodeParameter('collectorIds') as string[];
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ids.push.apply(ids, collectorIds);
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}
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const body: IDataObject = {
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name: `n8n - Webhook [${event}]`,
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object_type: objectType,
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object_ids: ids,
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subscription_url: webhookUrl,
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event_type: event,
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};
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if (objectType === 'collector' && event === 'collector_created') {
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throw new Error('Type collector cannot be used with collector created event');
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}
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if (objectType === 'survey' && event === 'survey_created') {
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delete body.object_type;
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}
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let responseData: IDataObject = {};
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responseData = await surveyMonkeyApiRequest.call(this, 'POST', endpoint, body);
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if (responseData.id === undefined) {
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// Required data is missing so was not successful
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return false;
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}
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const webhookData = this.getWorkflowStaticData('node');
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webhookData.webhookId = responseData.id as string;
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return true;
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},
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async delete(this: IHookFunctions): Promise<boolean> {
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const webhookData = this.getWorkflowStaticData('node');
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if (webhookData.webhookId !== undefined) {
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const endpoint = `/webhooks/${webhookData.webhookId}`;
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try {
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await surveyMonkeyApiRequest.call(this, 'DELETE', endpoint);
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} catch (e) {
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return false;
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}
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// Remove from the static workflow data so that it is clear
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// that no webhooks are registred anymore
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delete webhookData.webhookId;
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}
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return true;
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},
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},
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};
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async webhook(this: IWebhookFunctions): Promise<IWebhookResponseData> {
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const event = this.getNodeParameter('event') as string;
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const objectType = this.getNodeParameter('objectType') as string;
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const credentials = this.getCredentials('surveyMonkeyApi') as IDataObject;
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const headerData = this.getHeaderData() as IDataObject;
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const req = this.getRequestObject();
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const webhookName = this.getWebhookName();
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if (webhookName === 'setup') {
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// It is a create webhook confirmation request
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return {};
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}
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if (headerData['sm-signature'] === undefined) {
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return {};
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}
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return new Promise((resolve, reject) => {
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const data: Buffer[] = [];
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req.on('data', (chunk) => {
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data.push(chunk);
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});
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req.on('end', async () => {
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const computedSignature = createHmac('sha1', `${credentials.clientId}&${credentials.clientSecret}`).update(data.join('')).digest('base64');
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if (headerData['sm-signature'] !== computedSignature) {
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// Signature is not valid so ignore call
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return {};
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}
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let responseData = JSON.parse(data.join(''));
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let endpoint = '';
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if (event === 'response_completed') {
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const resolveData = this.getNodeParameter('resolveData') as boolean;
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if (resolveData) {
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if (objectType === 'survey') {
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endpoint = `/surveys/${responseData.resources.survey_id}/responses/${responseData.object_id}/details`;
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} else {
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endpoint = `/collectors/${responseData.resources.collector_id}/responses/${responseData.object_id}/details`;
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}
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responseData = await surveyMonkeyApiRequest.call(this, 'GET', endpoint);
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}
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}
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const returnItem: INodeExecutionData = {
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json: responseData,
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};
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return resolve({
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workflowData: [
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[
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returnItem,
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],
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],
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});
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});
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req.on('error', (err) => {
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throw new Error(err.message);
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});
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});
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}
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}
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