mirror of
https://github.com/n8n-io/n8n.git
synced 2024-11-13 16:14:07 -08:00
551 lines
13 KiB
TypeScript
551 lines
13 KiB
TypeScript
import { IExecuteFunctions } from 'n8n-core';
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import {
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deepCopy,
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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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NodeOperationError,
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} from 'n8n-workflow';
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import { set } from 'lodash';
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import moment from 'moment-timezone';
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function parseDateByFormat(this: IExecuteFunctions, value: string, fromFormat: string) {
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const date = moment(value, fromFormat, true);
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if (moment(date).isValid()) return date;
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throw new NodeOperationError(
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this.getNode(),
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'Date input cannot be parsed. Please recheck the value and the "From Format" field.',
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);
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}
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function getIsoValue(this: IExecuteFunctions, value: string) {
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try {
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return new Date(value).toISOString(); // may throw due to unpredictable input
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} catch (error) {
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throw new NodeOperationError(
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this.getNode(),
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'Unrecognized date input. Please specify a format in the "From Format" field.',
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);
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}
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}
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function parseDateByDefault(this: IExecuteFunctions, value: string) {
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const isoValue = getIsoValue.call(this, value);
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if (moment(isoValue).isValid()) return moment(isoValue);
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throw new NodeOperationError(
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this.getNode(),
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'Unrecognized date input. Please specify a format in the "From Format" field.',
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);
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}
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export class DateTime implements INodeType {
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description: INodeTypeDescription = {
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displayName: 'Date & Time',
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name: 'dateTime',
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icon: 'fa:clock',
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group: ['transform'],
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version: 1,
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description: 'Allows you to manipulate date and time values',
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subtitle: '={{$parameter["action"]}}',
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defaults: {
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name: 'Date & Time',
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color: '#408000',
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},
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inputs: ['main'],
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outputs: ['main'],
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properties: [
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{
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displayName: 'Action',
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name: 'action',
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type: 'options',
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options: [
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{
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name: 'Calculate a Date',
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description: 'Add or subtract time from a date',
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value: 'calculate',
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action: 'Add or subtract time from a date',
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},
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{
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name: 'Format a Date',
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description: 'Convert a date to a different format',
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value: 'format',
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action: 'Convert a date to a different format',
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},
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],
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default: 'format',
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},
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{
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displayName: 'Value',
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name: 'value',
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displayOptions: {
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show: {
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action: ['format'],
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},
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},
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type: 'string',
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default: '',
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description: 'The value that should be converted',
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required: true,
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},
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{
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displayName: 'Property Name',
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name: 'dataPropertyName',
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type: 'string',
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default: 'data',
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required: true,
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displayOptions: {
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show: {
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action: ['format'],
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},
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},
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description: 'Name of the property to which to write the converted date',
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},
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{
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displayName: 'Custom Format',
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name: 'custom',
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displayOptions: {
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show: {
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action: ['format'],
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},
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},
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type: 'boolean',
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default: false,
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description: 'Whether a predefined format should be selected or custom format entered',
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},
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{
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displayName: 'To Format',
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name: 'toFormat',
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displayOptions: {
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show: {
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action: ['format'],
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custom: [true],
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},
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},
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type: 'string',
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default: '',
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placeholder: 'YYYY-MM-DD',
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description: 'The format to convert the date to',
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},
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{
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displayName: 'To Format',
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name: 'toFormat',
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type: 'options',
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displayOptions: {
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show: {
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action: ['format'],
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custom: [false],
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},
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},
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// eslint-disable-next-line n8n-nodes-base/node-param-options-type-unsorted-items
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options: [
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{
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name: 'MM/DD/YYYY',
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value: 'MM/DD/YYYY',
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description: 'Example: 09/04/1986',
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},
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{
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name: 'YYYY/MM/DD',
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value: 'YYYY/MM/DD',
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description: 'Example: 1986/04/09',
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},
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{
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name: 'MMMM DD YYYY',
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value: 'MMMM DD YYYY',
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description: 'Example: April 09 1986',
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},
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{
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name: 'MM-DD-YYYY',
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value: 'MM-DD-YYYY',
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description: 'Example: 09-04-1986',
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},
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{
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name: 'YYYY-MM-DD',
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value: 'YYYY-MM-DD',
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description: 'Example: 1986-04-09',
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},
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{
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name: 'Unix Timestamp',
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value: 'X',
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description: 'Example: 513388800.879',
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},
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{
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name: 'Unix Ms Timestamp',
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value: 'x',
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description: 'Example: 513388800',
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},
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],
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default: 'MM/DD/YYYY',
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description: 'The format to convert the date to',
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},
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{
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displayName: 'Options',
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name: 'options',
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displayOptions: {
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show: {
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action: ['format'],
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},
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},
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type: 'collection',
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placeholder: 'Add Option',
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default: {},
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options: [
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{
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displayName: 'From Format',
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name: 'fromFormat',
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type: 'string',
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default: '',
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description: 'In case the input format is not recognized you can provide the format',
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},
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{
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displayName: 'From Timezone Name or ID',
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name: 'fromTimezone',
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type: 'options',
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typeOptions: {
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loadOptionsMethod: 'getTimezones',
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},
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default: 'UTC',
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description:
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'The timezone to convert from. Choose from the list, or specify an ID using an <a href="https://docs.n8n.io/code-examples/expressions/">expression</a>.',
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},
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{
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displayName: 'To Timezone Name or ID',
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name: 'toTimezone',
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type: 'options',
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typeOptions: {
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loadOptionsMethod: 'getTimezones',
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},
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default: 'UTC',
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description:
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'The timezone to convert to. Choose from the list, or specify an ID using an <a href="https://docs.n8n.io/code-examples/expressions/">expression</a>.',
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},
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],
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},
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{
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displayName: 'Date Value',
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name: 'value',
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displayOptions: {
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show: {
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action: ['calculate'],
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},
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},
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type: 'string',
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default: '',
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description: 'The date string or timestamp from which you want to add/subtract time',
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required: true,
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},
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{
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displayName: 'Operation',
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name: 'operation',
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displayOptions: {
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show: {
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action: ['calculate'],
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},
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},
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type: 'options',
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noDataExpression: true,
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options: [
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{
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name: 'Add',
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value: 'add',
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description: 'Add time to Date Value',
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action: 'Add time to Date Value',
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},
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{
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name: 'Subtract',
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value: 'subtract',
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description: 'Subtract time from Date Value',
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action: 'Subtract time from Date Value',
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},
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],
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default: 'add',
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required: true,
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},
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{
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displayName: 'Duration',
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name: 'duration',
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displayOptions: {
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show: {
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action: ['calculate'],
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},
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},
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type: 'number',
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typeOptions: {
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minValue: 0,
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},
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default: 0,
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required: true,
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description: 'E.g. enter “10” then select “Days” if you want to add 10 days to Date Value.',
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},
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{
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displayName: 'Time Unit',
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name: 'timeUnit',
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description: 'Time unit for Duration parameter above',
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displayOptions: {
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show: {
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action: ['calculate'],
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},
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},
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type: 'options',
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// eslint-disable-next-line n8n-nodes-base/node-param-options-type-unsorted-items
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options: [
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{
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name: 'Quarters',
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value: 'quarters',
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},
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{
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name: 'Years',
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value: 'years',
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},
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{
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name: 'Months',
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value: 'months',
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},
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{
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name: 'Weeks',
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value: 'weeks',
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},
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{
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name: 'Days',
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value: 'days',
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},
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{
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name: 'Hours',
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value: 'hours',
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},
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{
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name: 'Minutes',
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value: 'minutes',
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},
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{
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name: 'Seconds',
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value: 'seconds',
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},
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{
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name: 'Milliseconds',
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value: 'milliseconds',
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},
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],
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default: 'days',
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required: true,
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},
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{
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displayName: 'Property Name',
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name: 'dataPropertyName',
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type: 'string',
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default: 'data',
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required: true,
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displayOptions: {
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show: {
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action: ['calculate'],
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},
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},
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description: 'Name of the output property to which to write the converted date',
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},
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{
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displayName: 'Options',
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name: 'options',
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type: 'collection',
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placeholder: 'Add Option',
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default: {},
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displayOptions: {
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show: {
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action: ['calculate'],
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},
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},
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options: [
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{
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displayName: 'From Format',
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name: 'fromFormat',
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type: 'string',
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default: '',
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description:
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'Format for parsing the value as a date. If unrecognized, specify the <a href="https://docs.n8n.io/integrations/builtin/core-nodes/n8n-nodes-base.datetime/#faqs">format</a> for the value.',
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},
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],
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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 timezones to display them to user so that he can
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// select them easily
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async getTimezones(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
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const returnData: INodePropertyOptions[] = [];
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for (const timezone of moment.tz.names()) {
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const timezoneName = timezone;
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const timezoneId = timezone;
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returnData.push({
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name: timezoneName,
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value: timezoneId,
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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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async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
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const items = this.getInputData();
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const length = items.length;
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const returnData: INodeExecutionData[] = [];
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const workflowTimezone = this.getTimezone();
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let item: INodeExecutionData;
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for (let i = 0; i < length; i++) {
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try {
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const action = this.getNodeParameter('action', 0) as string;
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item = items[i];
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if (action === 'format') {
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const currentDate = this.getNodeParameter('value', i) as string;
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const dataPropertyName = this.getNodeParameter('dataPropertyName', i);
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const toFormat = this.getNodeParameter('toFormat', i) as string;
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const options = this.getNodeParameter('options', i);
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let newDate;
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if (currentDate === undefined) {
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continue;
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}
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if (
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options.fromFormat === undefined &&
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!moment(currentDate as string | number).isValid()
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) {
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throw new NodeOperationError(
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this.getNode(),
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'The date input format could not be recognized. Please set the "From Format" field',
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{ itemIndex: i },
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);
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}
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if (Number.isInteger(currentDate as unknown as number)) {
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newDate = moment.unix(currentDate as unknown as number);
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} else {
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if (options.fromTimezone || options.toTimezone) {
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const fromTimezone = options.fromTimezone ?? workflowTimezone;
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if (options.fromFormat) {
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newDate = moment.tz(
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currentDate,
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options.fromFormat as string,
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fromTimezone as string,
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);
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} else {
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newDate = moment.tz(currentDate, fromTimezone as string);
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}
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} else {
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if (options.fromFormat) {
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newDate = moment(currentDate, options.fromFormat as string);
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} else {
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newDate = moment(currentDate);
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}
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}
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}
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if (options.toTimezone || options.fromTimezone) {
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// If either a source or a target timezone got defined the
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// timezone of the date has to be changed. If a target-timezone
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// is set use it else fall back to workflow timezone.
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newDate = newDate.tz((options.toTimezone as string) || workflowTimezone);
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}
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newDate = newDate.format(toFormat);
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let newItem: INodeExecutionData;
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if (dataPropertyName.includes('.')) {
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// Uses dot notation so copy all data
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newItem = {
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json: deepCopy(item.json),
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pairedItem: {
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item: i,
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},
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};
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} else {
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// Does not use dot notation so shallow copy is enough
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newItem = {
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json: { ...item.json },
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pairedItem: {
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item: i,
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},
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};
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}
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if (item.binary !== undefined) {
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newItem.binary = item.binary;
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}
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set(newItem, `json.${dataPropertyName}`, newDate);
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returnData.push(newItem);
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}
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if (action === 'calculate') {
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const dateValue = this.getNodeParameter('value', i) as string;
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const operation = this.getNodeParameter('operation', i) as 'add' | 'subtract';
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const duration = this.getNodeParameter('duration', i) as number;
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const timeUnit = this.getNodeParameter('timeUnit', i) as moment.DurationInputArg2;
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const { fromFormat } = this.getNodeParameter('options', i) as { fromFormat?: string };
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const dataPropertyName = this.getNodeParameter('dataPropertyName', i);
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const newDate = fromFormat
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? parseDateByFormat.call(this, dateValue, fromFormat)
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: parseDateByDefault.call(this, dateValue);
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operation === 'add'
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? newDate.add(duration, timeUnit).utc().format()
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: newDate.subtract(duration, timeUnit).utc().format();
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let newItem: INodeExecutionData;
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if (dataPropertyName.includes('.')) {
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// Uses dot notation so copy all data
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newItem = {
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json: deepCopy(item.json),
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pairedItem: {
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item: i,
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},
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};
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} else {
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// Does not use dot notation so shallow copy is enough
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newItem = {
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json: { ...item.json },
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pairedItem: {
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item: i,
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},
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};
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}
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if (item.binary !== undefined) {
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newItem.binary = item.binary;
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}
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set(newItem, `json.${dataPropertyName}`, newDate.toISOString());
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returnData.push(newItem);
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}
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} catch (error) {
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if (this.continueOnFail()) {
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returnData.push({
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json: {
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error: error.message,
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},
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pairedItem: {
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item: i,
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},
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});
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continue;
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}
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throw error;
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}
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}
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return this.prepareOutputData(returnData);
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}
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}
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