n8n/packages/nodes-base/nodes/Wait/Wait.node.ts
2024-06-07 15:30:26 +01:00

522 lines
12 KiB
TypeScript

import { DateTime } from 'luxon';
import type {
IExecuteFunctions,
INodeExecutionData,
INodeTypeDescription,
INodeProperties,
IDisplayOptions,
IWebhookFunctions,
} from 'n8n-workflow';
import { WAIT_TIME_UNLIMITED } from 'n8n-workflow';
import {
authenticationProperty,
credentialsProperty,
defaultWebhookDescription,
httpMethodsProperty,
optionsProperty,
responseBinaryPropertyNameProperty,
responseCodeProperty,
responseDataProperty,
responseModeProperty,
} from '../Webhook/description';
import {
formDescription,
formFields,
respondWithOptions,
formRespondMode,
formTitle,
} from '../Form/common.descriptions';
import { formWebhook } from '../Form/utils';
import { updateDisplayOptions } from '../../utils/utilities';
import { Webhook } from '../Webhook/Webhook.node';
const toWaitAmount: INodeProperties = {
displayName: 'Wait Amount',
name: 'amount',
type: 'number',
typeOptions: {
minValue: 0,
numberPrecision: 2,
},
default: 1,
description: 'The time to wait',
};
const unitSelector: INodeProperties = {
displayName: 'Wait Unit',
name: 'unit',
type: 'options',
options: [
{
name: 'Seconds',
value: 'seconds',
},
{
name: 'Minutes',
value: 'minutes',
},
{
name: 'Hours',
value: 'hours',
},
{
name: 'Days',
value: 'days',
},
],
default: 'hours',
description: 'The time unit of the Wait Amount value',
};
const waitTimeProperties: INodeProperties[] = [
{
displayName: 'Limit Wait Time',
name: 'limitWaitTime',
type: 'boolean',
default: false,
description:
'Whether the workflow will automatically resume execution after the specified limit type',
displayOptions: {
show: {
resume: ['webhook', 'form'],
},
},
},
{
displayName: 'Limit Type',
name: 'limitType',
type: 'options',
default: 'afterTimeInterval',
description:
'Sets the condition for the execution to resume. Can be a specified date or after some time.',
displayOptions: {
show: {
limitWaitTime: [true],
resume: ['webhook', 'form'],
},
},
options: [
{
name: 'After Time Interval',
description: 'Waits for a certain amount of time',
value: 'afterTimeInterval',
},
{
name: 'At Specified Time',
description: 'Waits until the set date and time to continue',
value: 'atSpecifiedTime',
},
],
},
{
displayName: 'Amount',
name: 'resumeAmount',
type: 'number',
displayOptions: {
show: {
limitType: ['afterTimeInterval'],
limitWaitTime: [true],
resume: ['webhook', 'form'],
},
},
typeOptions: {
minValue: 0,
numberPrecision: 2,
},
default: 1,
description: 'The time to wait',
},
{
displayName: 'Unit',
name: 'resumeUnit',
type: 'options',
displayOptions: {
show: {
limitType: ['afterTimeInterval'],
limitWaitTime: [true],
resume: ['webhook', 'form'],
},
},
options: [
{
name: 'Seconds',
value: 'seconds',
},
{
name: 'Minutes',
value: 'minutes',
},
{
name: 'Hours',
value: 'hours',
},
{
name: 'Days',
value: 'days',
},
],
default: 'hours',
description: 'Unit of the interval value',
},
{
displayName: 'Max Date and Time',
name: 'maxDateAndTime',
type: 'dateTime',
displayOptions: {
show: {
limitType: ['atSpecifiedTime'],
limitWaitTime: [true],
resume: ['webhook', 'form'],
},
},
default: '',
description: 'Continue execution after the specified date and time',
},
];
const webhookSuffix: INodeProperties = {
displayName: 'Webhook Suffix',
name: 'webhookSuffix',
type: 'string',
default: '',
placeholder: 'webhook',
noDataExpression: true,
description:
'This suffix path will be appended to the restart URL. Helpful when using multiple wait nodes.',
};
const displayOnWebhook: IDisplayOptions = {
show: {
resume: ['webhook'],
},
};
const displayOnFormSubmission = {
show: {
resume: ['form'],
},
};
const onFormSubmitProperties = updateDisplayOptions(displayOnFormSubmission, [
formTitle,
formDescription,
formFields,
formRespondMode,
]);
const onWebhookCallProperties = updateDisplayOptions(displayOnWebhook, [
{
...httpMethodsProperty,
description: 'The HTTP method of the Webhook call',
},
responseCodeProperty,
responseModeProperty,
responseDataProperty,
responseBinaryPropertyNameProperty,
]);
const webhookPath = '={{$parameter["options"]["webhookSuffix"] || ""}}';
export class Wait extends Webhook {
authPropertyName = 'incomingAuthentication';
description: INodeTypeDescription = {
displayName: 'Wait',
name: 'wait',
icon: 'fa:pause-circle',
iconColor: 'crimson',
group: ['organization'],
version: [1, 1.1],
description: 'Wait before continue with execution',
defaults: {
name: 'Wait',
color: '#804050',
},
inputs: ['main'],
outputs: ['main'],
credentials: credentialsProperty(this.authPropertyName),
webhooks: [
{
...defaultWebhookDescription,
responseData: '={{$parameter["responseData"]}}',
path: webhookPath,
restartWebhook: true,
},
{
name: 'default',
httpMethod: 'GET',
responseMode: 'onReceived',
path: webhookPath,
restartWebhook: true,
isFullPath: true,
isForm: true,
},
{
name: 'default',
httpMethod: 'POST',
responseMode: '={{$parameter["responseMode"]}}',
responseData: '={{$parameter["responseMode"] === "lastNode" ? "noData" : undefined}}',
path: webhookPath,
restartWebhook: true,
isFullPath: true,
isForm: true,
},
],
properties: [
{
displayName: 'Resume',
name: 'resume',
type: 'options',
options: [
{
name: 'After Time Interval',
value: 'timeInterval',
description: 'Waits for a certain amount of time',
},
{
name: 'At Specified Time',
value: 'specificTime',
description: 'Waits until a specific date and time to continue',
},
{
name: 'On Webhook Call',
value: 'webhook',
description: 'Waits for a webhook call before continuing',
},
{
name: 'On Form Submitted',
value: 'form',
description: 'Waits for a form submission before continuing',
},
],
default: 'timeInterval',
description: 'Determines the waiting mode to use before the workflow continues',
},
{
...authenticationProperty(this.authPropertyName),
description:
'If and how incoming resume-webhook-requests to $execution.resumeUrl should be authenticated for additional security',
displayOptions: displayOnWebhook,
},
// ----------------------------------
// resume:specificTime
// ----------------------------------
{
displayName: 'Date and Time',
name: 'dateTime',
type: 'dateTime',
displayOptions: {
show: {
resume: ['specificTime'],
},
},
default: '',
description: 'The date and time to wait for before continuing',
},
// ----------------------------------
// resume:timeInterval
// ----------------------------------
{
...toWaitAmount,
displayOptions: {
show: {
resume: ['timeInterval'],
'@version': [1],
},
},
},
{
...toWaitAmount,
default: 5,
displayOptions: {
show: {
resume: ['timeInterval'],
},
hide: {
'@version': [1],
},
},
},
{
...unitSelector,
displayOptions: {
show: {
resume: ['timeInterval'],
'@version': [1],
},
},
},
{
...unitSelector,
default: 'seconds',
displayOptions: {
show: {
resume: ['timeInterval'],
},
hide: {
'@version': [1],
},
},
},
// ----------------------------------
// resume:webhook & form
// ----------------------------------
{
displayName:
'The webhook URL will be generated at run time. It can be referenced with the <strong>$execution.resumeUrl</strong> variable. Send it somewhere before getting to this node. <a href="https://docs.n8n.io/integrations/builtin/core-nodes/n8n-nodes-base.wait/?utm_source=n8n_app&utm_medium=node_settings_modal-credential_link&utm_campaign=n8n-nodes-base.wait" target="_blank">More info</a>',
name: 'webhookNotice',
type: 'notice',
displayOptions: displayOnWebhook,
default: '',
},
{
displayName:
'The form url will be generated at run time. It can be referenced with the <strong>$execution.resumeFormUrl</strong> variable. Send it somewhere before getting to this node. <a href="https://docs.n8n.io/integrations/builtin/core-nodes/n8n-nodes-base.wait/?utm_source=n8n_app&utm_medium=node_settings_modal-credential_link&utm_campaign=n8n-nodes-base.wait" target="_blank">More info</a>',
name: 'formNotice',
type: 'notice',
displayOptions: displayOnFormSubmission,
default: '',
},
...onFormSubmitProperties,
...onWebhookCallProperties,
...waitTimeProperties,
{
...optionsProperty,
displayOptions: displayOnWebhook,
options: [...(optionsProperty.options as INodeProperties[]), webhookSuffix],
},
{
displayName: 'Options',
name: 'options',
type: 'collection',
placeholder: 'Add Option',
default: {},
displayOptions: {
show: {
resume: ['form'],
},
hide: {
responseMode: ['responseNode'],
},
},
options: [respondWithOptions, webhookSuffix],
},
{
displayName: 'Options',
name: 'options',
type: 'collection',
placeholder: 'Add Option',
default: {},
displayOptions: {
show: {
resume: ['form'],
},
hide: {
responseMode: ['onReceived', 'lastNode'],
},
},
options: [webhookSuffix],
},
],
};
async webhook(context: IWebhookFunctions) {
const resume = context.getNodeParameter('resume', 0) as string;
if (resume === 'form') return await formWebhook(context);
return await super.webhook(context);
}
async execute(context: IExecuteFunctions): Promise<INodeExecutionData[][]> {
const resume = context.getNodeParameter('resume', 0) as string;
if (['webhook', 'form'].includes(resume)) {
return await this.configureAndPutToWait(context);
}
let waitTill: Date;
if (resume === 'timeInterval') {
const unit = context.getNodeParameter('unit', 0) as string;
let waitAmount = context.getNodeParameter('amount', 0) as number;
if (unit === 'minutes') {
waitAmount *= 60;
}
if (unit === 'hours') {
waitAmount *= 60 * 60;
}
if (unit === 'days') {
waitAmount *= 60 * 60 * 24;
}
waitAmount *= 1000;
// Timezone does not change relative dates, since they are just
// a number of seconds added to the current timestamp
waitTill = new Date(new Date().getTime() + waitAmount);
} else {
const dateTimeStr = context.getNodeParameter('dateTime', 0) as string;
waitTill = DateTime.fromFormat(dateTimeStr, "yyyy-MM-dd'T'HH:mm:ss", {
zone: context.getTimezone(),
})
.toUTC()
.toJSDate();
}
const waitValue = Math.max(waitTill.getTime() - new Date().getTime(), 0);
if (waitValue < 65000) {
// If wait time is shorter than 65 seconds leave execution active because
// we just check the database every 60 seconds.
return await new Promise((resolve) => {
const timer = setTimeout(() => resolve([context.getInputData()]), waitValue);
context.onExecutionCancellation(() => clearTimeout(timer));
});
}
// If longer than 65 seconds put execution to wait
return await this.putToWait(context, waitTill);
}
private async configureAndPutToWait(context: IExecuteFunctions) {
let waitTill = new Date(WAIT_TIME_UNLIMITED);
const limitWaitTime = context.getNodeParameter('limitWaitTime', 0);
if (limitWaitTime === true) {
const limitType = context.getNodeParameter('limitType', 0);
if (limitType === 'afterTimeInterval') {
let waitAmount = context.getNodeParameter('resumeAmount', 0) as number;
const resumeUnit = context.getNodeParameter('resumeUnit', 0);
if (resumeUnit === 'minutes') {
waitAmount *= 60;
}
if (resumeUnit === 'hours') {
waitAmount *= 60 * 60;
}
if (resumeUnit === 'days') {
waitAmount *= 60 * 60 * 24;
}
waitAmount *= 1000;
waitTill = new Date(new Date().getTime() + waitAmount);
} else {
waitTill = new Date(context.getNodeParameter('maxDateAndTime', 0) as string);
}
}
return await this.putToWait(context, waitTill);
}
private async putToWait(context: IExecuteFunctions, waitTill: Date) {
await context.putExecutionToWait(waitTill);
return [context.getInputData()];
}
}