✨ Add ServiceNow node (#1932)

* ✨ ServiceNow node

* Add Table Record resource & operations

* Add Incident resource & operations

* Add User resource & operations

* Add Business Service getAll operation

* Add Business Service, Department, Dictionary and Configuration Items resources

* Improvements

* Add continueOnFail

* Fix node display name

* Fix node credentials name

* Minor improvements

* Improvements

* Add load function for fields parameter

* Add load function for incident, user and table record fields

* Fix sending input function

* Enhance ServiceNow credentials

* Apply review changes & improvements

* Minor improvements

* Minor code enhancement

* Apply review changes

* ⚡ Small improvement

* Fix TableRecord update operation & add BusinessServices loading

* ⚡ Small improvement

* ⚡ Improve ServiceNow node

* ⚡ Fix one more description

Co-authored-by: ricardo <ricardoespinoza105@gmail.com>
Co-authored-by: Jan Oberhauser <jan.oberhauser@gmail.com>

packages/nodes-base/nodes/ServiceNow/DictionaryDescription.ts

@@ -0,0 +1,137 @@
+import {
+	INodeProperties,
+} from 'n8n-workflow';
+
+export const dictionaryOperations = [
+	{
+		displayName: 'Operation',
+		name: 'operation',
+		type: 'options',
+		displayOptions: {
+			show: {
+				resource: [
+					'dictionary',
+				],
+			},
+		},
+		options: [
+			{
+				name: 'Get All',
+				value: 'getAll',
+			},
+		],
+		default: 'getAll',
+	},
+] as INodeProperties[];
+
+export const dictionaryFields = [
+
+	/* -------------------------------------------------------------------------- */
+	/*                                dictionary:getAll                           */
+	/* -------------------------------------------------------------------------- */
+	{
+		displayName: 'Return All',
+		name: 'returnAll',
+		type: 'boolean',
+		displayOptions: {
+			show: {
+				operation: [
+					'getAll',
+				],
+				resource: [
+					'dictionary',
+				],
+			},
+		},
+		default: false,
+		description: 'If all results should be returned or only up to a given limit',
+	},
+	{
+		displayName: 'Limit',
+		name: 'limit',
+		type: 'number',
+		displayOptions: {
+			show: {
+				operation: [
+					'getAll',
+				],
+				resource: [
+					'dictionary',
+				],
+				returnAll: [
+					false,
+				],
+			},
+		},
+		typeOptions: {
+			minValue: 1,
+			maxValue: 500,
+		},
+		default: 50,
+		description: 'The max number of results to return',
+	},
+	{
+		displayName: 'Options',
+		name: 'options',
+		type: 'collection',
+		placeholder: 'Add Field',
+		displayOptions: {
+			show: {
+				resource: [
+					'dictionary',
+				],
+				operation: [
+					'getAll',
+				],
+			},
+		},
+		default: {},
+		options: [
+			{
+				displayName: 'Exclude Reference Link',
+				name: 'sysparm_exclude_reference_link',
+				type: 'boolean',
+				default: false,
+				description: 'Whether to exclude Table API links for reference fields',
+			},
+			{
+				displayName: 'Fields',
+				name: 'sysparm_fields',
+				type: 'multiOptions',
+				typeOptions: {
+					loadOptionsMethod: 'getColumns',
+				},
+				default: '',
+				description: 'A list of fields to return',
+			},
+			{
+				displayName: 'Filter',
+				name: 'sysparm_query',
+				type: 'string',
+				default: '',
+				description: 'An encoded query string used to filter the results. <a href="https://developer.servicenow.com/dev.do#!/learn/learning-plans/quebec/servicenow_application_developer/app_store_learnv2_rest_quebec_more_about_query_parameters" target="_blank">More info</a>',
+			},
+			{
+				displayName: 'Return Values',
+				name: 'sysparm_display_value',
+				type: 'options',
+				options: [
+					{
+						name: 'Actual Values',
+						value: 'false',
+					},
+					{
+						name: 'Both',
+						value: 'all',
+					},
+					{
+						name: 'Display Values',
+						value: 'true',
+					},
+				],
+				default: 'false',
+				description: 'Choose which values to return',
+			},
+		],
+	},
+] as INodeProperties[];