Sfdc (#933)

* add sfdc user node interface

* add sfdc user node description for get method

* sfdc user node getall

* sfdc user node support limit

* sfdc user node support options

* sfdc user node update user operations

* sfdc add usr node query logic

* ⚡ Small improvements

Co-authored-by: YErii <yeriime@outlook.com>

packages/nodes-base/nodes/Salesforce/UserDescription.ts

@@ -0,0 +1,126 @@
+import {
+	 INodeProperties,
+} from 'n8n-workflow';
+
+export const userOperations = [
+	{
+		displayName: 'Operation',
+		name: 'operation',
+		type: 'options',
+		displayOptions: {
+			show: {
+				resource: [
+					'user',
+				],
+			},
+		},
+		options: [
+			{
+				name: 'Get',
+				value: 'get',
+				description: 'Get a user',
+			},
+			{
+				name: 'Get All',
+				value: 'getAll',
+				description: 'Get all users',
+			},
+		],
+		default: 'get',
+		description: 'The operation to perform.'
+	}
+] as INodeProperties[];
+
+export const userFields = [
+	/* -------------------------------------------------------------------------- */
+	/*                                  user:get                                  */
+	/* -------------------------------------------------------------------------- */
+	{
+		displayName: 'User ID',
+		name: 'userId',
+		type: 'string',
+		required: true,
+		default: '',
+		displayOptions: {
+			show: {
+				resource: [
+					'user',
+				],
+				operation: [
+					'get',
+				],
+			},
+		},
+		description: 'Id of user that needs to be fetched'
+	},
+	/* -------------------------------------------------------------------------- */
+	/*                                 user:getAll                                */
+	/* -------------------------------------------------------------------------- */
+	{
+		displayName: 'Return All',
+		name: 'returnAll',
+		type: 'boolean',
+		displayOptions: {
+			show: {
+				resource: [
+					'user',
+				],
+				operation: [
+					'getAll',
+				],
+			}
+		},
+		default: false,
+		description: 'If all results should be returned or only up to a given limit.'
+	},
+	{
+		displayName: 'Limit',
+		name: 'limit',
+		type: 'number',
+		displayOptions: {
+			show: {
+				resource: [
+					'user',
+				],
+				operation: [
+					'getAll',
+				],
+				returnAll: [
+					false,
+				],
+			},
+		},
+		typeOptions: {
+			minValue: 1,
+			maxValue: 100
+		},
+		default: 50,
+		description: 'How many results to return.'
+	},
+	{
+		displayName: 'Options',
+		name: 'options',
+		type: 'collection',
+		placeholder: 'Add Field',
+		default: {},
+		displayOptions: {
+			show: {
+				resource: [
+					'user',
+				],
+				operation: [
+					'getAll',
+				],
+			},
+		},
+		options: [
+			{
+				displayName: 'Fields',
+				name: 'fields',
+				type: 'string',
+				default: '',
+				description: 'Fields to include separated by ,'
+			},
+		],
+	},
+] as INodeProperties[];