✨ Add Telegram-Nodes

packages/nodes-base/nodes/Telegram/TelegramTrigger.node.ts

@@ -0,0 +1,160 @@
+import {
+	IHookFunctions,
+	IWebhookFunctions,
+} from 'n8n-core';
+
+import {
+	INodeTypeDescription,
+	INodeType,
+	IWebhookResonseData,
+} from 'n8n-workflow';
+
+import {
+	apiRequest,
+} from './GenericFunctions';
+
+
+export class TelegramTrigger implements INodeType {
+	description: INodeTypeDescription = {
+		displayName: 'Telegram Trigger',
+		name: 'telegramTrigger',
+		icon: 'file:telegram.png',
+		group: ['trigger'],
+		version: 1,
+		subtitle: '=Updates: {{$parameter["updates"].join(", ")}}',
+		description: 'Starts the workflow on a Telegram update.',
+		defaults: {
+			name: 'Telegram Trigger',
+			color: '#0088cc',
+		},
+		inputs: [],
+		outputs: ['main'],
+		credentials: [
+			{
+				name: 'telegramApi',
+				required: true,
+			}
+		],
+		webhooks: [
+			{
+				name: 'default',
+				httpMethod: 'POST',
+				responseMode: 'onReceived',
+				path: 'webhook',
+			},
+		],
+		properties: [
+			{
+				displayName: 'Updates',
+				name: 'updates',
+				type: 'multiOptions',
+				options: [
+					{
+						name: '*',
+						value: '*',
+						description: 'All updates.',
+					},
+					{
+						name: 'message',
+						value: 'message',
+						description: 'Trigger on new incoming message of any kind — text, photo, sticker, etc..',
+					},
+					{
+						name: 'edited_message',
+						value: 'edited_message',
+						description: 'Trigger on new version of a channel post that is known to the bot and was edited.',
+					},
+					{
+						name: 'channel_post',
+						value: 'channel_post',
+						description: 'Trigger on new incoming channel post of any kind — text, photo, sticker, etc..',
+					},
+					{
+						name: 'edited_channel_post',
+						value: 'edited_channel_post',
+						description: 'Trigger on new version of a channel post that is known to the bot and was edited.',
+					},
+					{
+						name: 'inline_query',
+						value: 'inline_query',
+						description: 'Trigger on new incoming inline query.',
+					},
+					{
+						name: 'callback_query',
+						value: 'callback_query',
+						description: 'Trigger on new incoming callback query.',
+					},
+
+					{
+						name: 'shipping_query',
+						value: 'shipping_query',
+						description: 'Trigger on new incoming shipping query. Only for invoices with flexible price.',
+					},
+					{
+						name: 'pre_checkout_query',
+						value: 'pre_checkout_query',
+						description: 'Trigger on new incoming pre-checkout query. Contains full information about checkout.',
+					},
+					{
+						name: 'poll',
+						value: 'poll',
+						description: 'Trigger on new poll state. Bots receive only updates about stopped polls and polls, which are sent by the bot.',
+					},
+				],
+				required: true,
+				default: ['*'],
+				description: 'The update types to listen to.',
+			},
+		],
+	};
+
+	// @ts-ignore (because of request)
+	webhookMethods = {
+		default: {
+			async create(this: IHookFunctions): Promise<boolean> {
+				const webhookUrl = this.getNodeWebhookUrl('default');
+
+				let allowedUpdates = this.getNodeParameter('updates') as string[];
+
+				if (allowedUpdates.includes('*')) {
+					allowedUpdates = [];
+				}
+
+				const endpoint = 'setWebhook';
+
+				const body = {
+					url: webhookUrl,
+					allowed_updates: allowedUpdates,
+				};
+
+				await apiRequest.call(this, 'POST', endpoint, body);
+
+				return true;
+			},
+			async delete(this: IHookFunctions): Promise<boolean> {
+				const endpoint = 'deleteWebhook';
+				const body = {};
+
+				try {
+					await apiRequest.call(this, 'POST', endpoint, body);
+				} catch (e) {
+					return false;
+				}
+
+				return true;
+			},
+		},
+	};
+
+
+
+	async webhook(this: IWebhookFunctions): Promise<IWebhookResonseData> {
+		const bodyData = this.getBodyData();
+
+		return {
+			workflowData: [
+				this.helpers.returnJsonArray([bodyData])
+			],
+		};
+	}
+}