✨ gumroad node

packages/nodes-base/credentials/GumroadApi.credentials.ts

@@ -0,0 +1,17 @@
+import {
+	ICredentialType,
+	NodePropertyTypes,
+} from 'n8n-workflow';
+
+export class GumroadApi implements ICredentialType {
+	name = 'gumroadApi';
+	displayName = 'Gumroad API';
+	properties = [
+		{
+			displayName: 'Access Token',
+			name: 'accessToken',
+			type: 'string' as NodePropertyTypes,
+			default: '',
+		},
+	];
+}

packages/nodes-base/nodes/Gumroad/GenericFunctions.ts

@@ -0,0 +1,39 @@
+import { OptionsWithUri } from 'request';
+import {
+	IExecuteFunctions,
+	IExecuteSingleFunctions,
+	IHookFunctions,
+	ILoadOptionsFunctions,
+	IWebhookFunctions,
+} from 'n8n-core';
+import { IDataObject } from 'n8n-workflow';
+
+export async function gumroadApiRequest(this: IHookFunctions | IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions | IWebhookFunctions, method: string, resource: string, body: any = {}, qs: IDataObject = {}, uri?: string, option: IDataObject = {}): Promise<any> { // tslint:disable-line:no-any
+	const credentials = this.getCredentials('gumroadApi');
+	if (credentials === undefined) {
+		throw new Error('No credentials got returned!');
+	}
+	body = Object.assign({ access_token: credentials.accessToken }, body)
+
+	let options: OptionsWithUri = {
+		method,
+		qs,
+		body,
+		uri: uri ||`https://api.gumroad.com/v2${resource}`,
+		json: true
+	};
+	options = Object.assign({}, options, option);
+	if (Object.keys(options.body).length === 0) {
+		delete options.body;
+	}
+
+	try {
+		return await this.helpers.request!(options);
+	} catch (error) {
+		let errorMessage = error
+		if (!error.success) {
+			errorMessage.message
+		}
+		throw new Error('Gumroad Error: ' + errorMessage);
+	}
+}

packages/nodes-base/nodes/Gumroad/GumroadTrigger.node.ts

@@ -0,0 +1,143 @@
+import {
+	IHookFunctions,
+	IWebhookFunctions,
+} from 'n8n-core';
+
+import {
+	IDataObject,
+	INodeTypeDescription,
+	INodeType,
+	IWebhookResponseData,
+} from 'n8n-workflow';
+
+import {
+	gumroadApiRequest,
+} from './GenericFunctions';
+
+export class GumroadTrigger implements INodeType {
+	description: INodeTypeDescription = {
+		displayName: 'Gumroad Trigger',
+		name: 'gumroad',
+		icon: 'file:gumroad.png',
+		group: ['trigger'],
+		version: 1,
+		description: 'Handle Gumroad events via webhooks',
+		defaults: {
+			name: 'Gumroad Trigger',
+			color: '#60c2cd',
+		},
+		inputs: [],
+		outputs: ['main'],
+		credentials: [
+			{
+				name: 'gumroadApi',
+				required: true,
+			}
+		],
+		webhooks: [
+			{
+				name: 'default',
+				httpMethod: 'POST',
+				responseMode: 'onReceived',
+				path: 'webhook',
+			},
+		],
+		properties: [
+			{
+				displayName: 'Resource',
+				name: 'resource',
+				type: 'options',
+				required: true,
+				default: '',
+				options: [
+					{
+						name: 'Sale',
+						value: 'sale',
+						description: `When subscribed to this resource, you will be notified of the user's sales`,
+					},
+					{
+						name: 'Refund',
+						value: 'refund',
+						description: `When subscribed to this resource, you will be notified of refunds to the user's sales`,
+					},
+					{
+						name: 'Dispute',
+						value: 'dispute',
+						description: `When subscribed to this resource, you will be notified of the disputes raised against user's sales`,
+					},
+					{
+						name: 'Dispute Won',
+						value: 'dispute_won',
+						description: `When subscribed to this resource, you will be notified of the sale disputes won`,
+					},
+					{
+						name: 'Cancellation',
+						value: 'cancellation',
+						description: `When subscribed to this resource, you will be notified of cancellations of the user's subscribers`,
+					},
+				],
+				description: 'The resource is gonna fire the event',
+			},
+		],
+
+	};
+
+	// @ts-ignore
+	webhookMethods = {
+		default: {
+			async checkExists(this: IHookFunctions): Promise<boolean> {
+				const webhookData = this.getWorkflowStaticData('node');
+				if (webhookData.webhookId === undefined) {
+					return false;
+				}
+				const endpoint = `/resource_subscriptions`;
+				const { resource_subscriptions } = await gumroadApiRequest.call(this, 'GET', endpoint);
+				if (Array.isArray(resource_subscriptions)) {
+					for (const resource of resource_subscriptions) {
+						if (resource.id === webhookData.webhookId) {
+							return true
+						}
+					}
+				}
+				return false;
+			},
+			async create(this: IHookFunctions): Promise<boolean> {
+				const webhookUrl = this.getNodeWebhookUrl('default');
+				const webhookData = this.getWorkflowStaticData('node');
+				const resource = this.getNodeParameter('resource') as string;
+				const endpoint = '/resource_subscriptions';
+				const body: IDataObject = {
+					post_url: webhookUrl,
+					resource_name: resource,
+				};
+				const { resource_subscription } = await gumroadApiRequest.call(this, 'PUT', endpoint, body);
+				webhookData.webhookId = resource_subscription.id;
+				return true;
+			},
+			async delete(this: IHookFunctions): Promise<boolean> {
+				let responseData;
+				const webhookData = this.getWorkflowStaticData('node');
+				const endpoint = `/resource_subscriptions/${webhookData.webhookId}`;
+				try {
+					responseData = await gumroadApiRequest.call(this, 'DELETE', endpoint);
+				} catch(error) {
+					return false;
+				}
+				if (!responseData.success) {
+					return false;
+				}
+				delete webhookData.webhookId;
+				return true;
+			},
+		},
+	};
+
+	async webhook(this: IWebhookFunctions): Promise<IWebhookResponseData> {
+		const req = this.getRequestObject();
+		return {
+			workflowData: [
+				this.helpers.returnJsonArray(req.body),
+			],
+		};
+	}
+}

packages/nodes-base/package.json

@@ -42,6 +42,7 @@
             "dist/credentials/GithubApi.credentials.js",
             "dist/credentials/GitlabApi.credentials.js",
             "dist/credentials/GoogleApi.credentials.js",
+            "dist/credentials/GumroadApi.credentials.js",
             "dist/credentials/HttpBasicAuth.credentials.js",
             "dist/credentials/HttpDigestAuth.credentials.js",
             "dist/credentials/HttpHeaderAuth.credentials.js",
@@ -119,6 +120,7 @@
             "dist/nodes/Google/GoogleDrive.node.js",
             "dist/nodes/Google/GoogleSheets.node.js",
             "dist/nodes/GraphQL/GraphQL.node.js",
+            "dist/nodes/Gumroad/GumroadTrigger.node.js",
             "dist/nodes/HtmlExtract/HtmlExtract.node.js",
             "dist/nodes/HttpRequest.node.js",
             "dist/nodes/Hubspot/Hubspot.node.js",