✨ Mailjet node and trigger

packages/nodes-base/nodes/Mailjet/MailjetTrigger.node.ts

@@ -0,0 +1,138 @@
+import {
+	IHookFunctions,
+	IWebhookFunctions,
+} from 'n8n-core';
+
+import {
+	IDataObject,
+	INodeTypeDescription,
+	INodeType,
+	IWebhookResponseData,
+} from 'n8n-workflow';
+
+import {
+	mailjetApiRequest,
+} from './GenericFunctions';
+
+export class MailjetTrigger implements INodeType {
+	description: INodeTypeDescription = {
+		displayName: 'Mailjet Trigger',
+		name: 'mailjetTrigger',
+		icon: 'file:mailjet.png',
+		group: ['trigger'],
+		version: 1,
+		description: 'Handle Mailjet events via webhooks',
+		defaults: {
+			name: 'Mailjet Trigger',
+			color: '#ff9f48',
+		},
+		inputs: [],
+		outputs: ['main'],
+		credentials: [
+			{
+				name: 'mailjetEmailApi',
+				required: true,
+			},
+		],
+		webhooks: [
+			{
+				name: 'default',
+				httpMethod: 'POST',
+				responseMode: 'onReceived',
+				path: 'webhook',
+			},
+		],
+		properties: [
+			{
+				displayName: 'Event',
+				name: 'event',
+				type: 'options',
+				required: true,
+				default: 'open',
+				options: [
+					{
+						name: 'email.bounce',
+						value: 'bounce',
+					},
+					{
+						name: 'email.blocked',
+						value: 'blocked',
+					},
+					{
+						name: 'email.open',
+						value: 'open',
+					},
+					{
+						name: 'email.spam',
+						value: 'spam',
+					},
+					{
+						name: 'email.sent',
+						value: 'sent',
+					},
+					{
+						name: 'email.unsub',
+						value: 'unsub',
+					},
+				],
+				description: 'Determines which resource events the webhook is triggered for.',
+			},
+		],
+
+	};
+
+	// @ts-ignore
+	webhookMethods = {
+		default: {
+			async checkExists(this: IHookFunctions): Promise<boolean> {
+				const webhookData = this.getWorkflowStaticData('node');
+				if (webhookData.webhookId === undefined) {
+					return false;
+				}
+				const endpoint = `/v3/rest/eventcallbackurl/${webhookData.webhookId}`;
+				try {
+					await mailjetApiRequest.call(this, 'GET', endpoint);
+				} catch (e) {
+					return false;
+				}
+				return true;
+			},
+			async create(this: IHookFunctions): Promise<boolean> {
+				const webhookUrl = this.getNodeWebhookUrl('default');
+				const webhookData = this.getWorkflowStaticData('node');
+				const event = this.getNodeParameter('event') as string;
+				const endpoint = '/v3/rest/eventcallbackurl';
+				const body: IDataObject = {
+					Url: webhookUrl,
+					EventType: event,
+					Status: 'alive',
+					isBackup: 'false',
+				};
+				const { Data } = await mailjetApiRequest.call(this, 'POST', endpoint, body);
+				webhookData.webhookId = Data[0].ID;
+				return true;
+			},
+			async delete(this: IHookFunctions): Promise<boolean> {
+				const webhookData = this.getWorkflowStaticData('node');
+				const endpoint = `/v3/rest/eventcallbackurl/${webhookData.webhookId}`;
+				try {
+					await mailjetApiRequest.call(this, 'DELETE', endpoint);
+				} catch(error) {
+					return false;
+				}
+				delete webhookData.webhookId;
+				return true;
+			},
+		},
+	};
+
+	//@ts-ignore
+	async webhook(this: IWebhookFunctions): Promise<IWebhookResponseData> {
+		const req = this.getRequestObject();
+		return {
+			workflowData: [
+				this.helpers.returnJsonArray(req.body),
+			],
+		};
+	}
+}