⚡ Fixed build and made some smaller changes

packages/nodes-base/nodes/PayPal/PayPal.node.ts

@@ -0,0 +1,178 @@
+import {
+	IExecuteFunctions,
+} from 'n8n-core';
+import {
+	IDataObject,
+	INodeTypeDescription,
+	INodeExecutionData,
+	INodeType,
+} from 'n8n-workflow';
+import {
+	payoutOperations,
+	payoutItemOperations,
+	payoutFields,
+	payoutItemFields,
+} from './PaymentDescription';
+import {
+	IPaymentBatch,
+	ISenderBatchHeader,
+	IItem, IAmount,
+	RecipientType,
+	RecipientWallet,
+ } from './PaymentInteface';
+import {
+	validateJSON,
+	payPalApiRequest,
+	payPalApiRequestAllItems
+ } from './GenericFunctions';
+
+export class PayPal implements INodeType {
+	description: INodeTypeDescription = {
+		displayName: 'PayPal',
+		name: 'payPal',
+		icon: 'file:paypal.png',
+		group: ['output'],
+		version: 1,
+		subtitle: '={{$parameter["operation"] + ": " + $parameter["resource"]}}',
+		description: 'Consume PayPal API',
+		defaults: {
+			name: 'PayPal',
+			color: '#356ae6',
+		},
+		inputs: ['main'],
+		outputs: ['main'],
+		credentials: [
+			{
+				name: 'payPalApi',
+				required: true,
+			}
+		],
+		properties: [
+			{
+				displayName: 'Resource',
+				name: 'resource',
+				type: 'options',
+				options: [
+					{
+						name: 'Payout',
+						value: 'payout',
+					},
+					{
+						name: 'Payout Item',
+						value: 'payoutItem',
+					},
+				],
+				default: 'payout',
+				description: 'Resource to consume.',
+			},
+
+			// Payout
+			...payoutOperations,
+			...payoutItemOperations,
+			...payoutFields,
+			...payoutItemFields,
+		],
+	};
+
+	async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
+		const items = this.getInputData();
+		const returnData: IDataObject[] = [];
+		const length = items.length as unknown as number;
+		let responseData;
+		const qs: IDataObject = {};
+
+		const resource = this.getNodeParameter('resource', 0) as string;
+		const operation = this.getNodeParameter('operation', 0) as string;
+
+		for (let i = 0; i < length; i++) {
+			if (resource === 'payout') {
+				if (operation === 'create') {
+					const body: IPaymentBatch = {};
+					const header: ISenderBatchHeader = {};
+					const jsonActive = this.getNodeParameter('jsonParameters', i) as boolean;
+					const senderBatchId = this.getNodeParameter('senderBatchId', i) as string;
+					const additionalFields = this.getNodeParameter('additionalFields', i) as IDataObject;
+					header.sender_batch_id = senderBatchId;
+					if (additionalFields.emailSubject) {
+						header.email_subject = additionalFields.emailSubject as string;
+					}
+					if (additionalFields.emailMessage) {
+						header.email_message = additionalFields.emailMessage as string;
+					}
+					if (additionalFields.note) {
+						header.note = additionalFields.note as string;
+					}
+					body.sender_batch_header = header;
+					if (!jsonActive) {
+						const payoutItems: IItem[] = [];
+						const itemsValues = (this.getNodeParameter('itemsUi', i) as IDataObject).itemsValues as IDataObject[];
+						if (itemsValues && itemsValues.length > 0) {
+							itemsValues.forEach(o => {
+								const payoutItem: IItem = {};
+								const amount: IAmount = {};
+								amount.currency = o.currency as string;
+								amount.value = parseFloat(o.amount as string);
+								payoutItem.amount = amount;
+								payoutItem.note = o.note as string || '';
+								payoutItem.receiver = o.receiverValue as string;
+								payoutItem.recipient_type = o.recipientType as RecipientType;
+								payoutItem.recipient_wallet = o.recipientWallet as RecipientWallet;
+								payoutItem.sender_item_id = o.senderItemId as string || '';
+								payoutItems.push(payoutItem);
+							});
+							body.items = payoutItems;
+						} else {
+							throw new Error('You must have at least one item.');
+						}
+					} else {
+						const itemsJson = validateJSON(this.getNodeParameter('itemsJson', i) as string);
+						body.items = itemsJson;
+					}
+					try {
+						responseData = await payPalApiRequest.call(this, '/payments/payouts', 'POST', body);
+					} catch (err) {
+						throw new Error(`PayPal Error: ${JSON.stringify(err)}`);
+					}
+				}
+				if (operation === 'get') {
+					const payoutBatchId = this.getNodeParameter('payoutBatchId', i) as string;
+					const returnAll = this.getNodeParameter('returnAll', 0) as boolean;
+					try {
+						if (returnAll === true) {
+							responseData = await payPalApiRequestAllItems.call(this, 'items', `/payments/payouts/${payoutBatchId}`, 'GET', {}, qs);
+						} else {
+							qs.page_size = this.getNodeParameter('limit', i) as number;
+							responseData = await payPalApiRequest.call(this, `/payments/payouts/${payoutBatchId}`, 'GET', {}, qs);
+							responseData = responseData.items;
+						}
+					} catch (err) {
+						throw new Error(`PayPal Error: ${JSON.stringify(err)}`);
+					}
+				}
+			} else if (resource === 'payoutItem') {
+				if (operation === 'get') {
+					const payoutItemId = this.getNodeParameter('payoutItemId', i) as string;
+					try {
+						responseData = await payPalApiRequest.call(this,`/payments/payouts-item/${payoutItemId}`, 'GET', {}, qs);
+					} catch (err) {
+						throw new Error(`PayPal Error: ${JSON.stringify(err)}`);
+					}
+				}
+				if (operation === 'cancel') {
+					const payoutItemId = this.getNodeParameter('payoutItemId', i) as string;
+					try {
+						responseData = await payPalApiRequest.call(this,`/payments/payouts-item/${payoutItemId}/cancel`, 'POST', {}, qs);
+					} catch (err) {
+						throw new Error(`PayPal Error: ${JSON.stringify(err)}`);
+					}
+				}
+			}
+			if (Array.isArray(responseData)) {
+				returnData.push.apply(returnData, responseData as IDataObject[]);
+			} else {
+				returnData.push(responseData as IDataObject);
+			}
+		}
+		return [this.helpers.returnJsonArray(returnData)];
+	}
+}