Add Discord Webhook node

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

@@ -0,0 +1,18 @@
+import {
+	ICredentialType,
+	NodePropertyTypes,
+} from 'n8n-workflow';
+
+
+export class DiscordApi implements ICredentialType {
+	name = 'discordApi';
+	displayName = 'Discord API';
+	properties = [
+		{
+			displayName: 'Webhook URI',
+			name: 'webhookUri',
+			type: 'string' as NodePropertyTypes,
+			default: '',
+		},
+	];
+}

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

@@ -0,0 +1,185 @@
+import { IExecuteFunctions } from 'n8n-core';
+import {
+	IDataObject,
+	INodeTypeDescription,
+	INodeExecutionData,
+	INodeType,
+} from 'n8n-workflow';
+
+interface Attachment {
+	fields: {
+		item?: object[];
+	};
+}
+
+export class DiscordWebhook implements INodeType {
+	description: INodeTypeDescription = {
+		displayName: 'Discord Webhook',
+		name: 'discordwebhook',
+		icon: 'file:discord.png',
+		group: ['output'],
+		version: 1,
+		subtitle: '={{$parameter["operation"] + ": " + $parameter["resource"]}}',
+		description: 'Sends data to Discord',
+		defaults: {
+			name: 'Discord Webhook',
+			color: '#BB2244',
+		},
+		inputs: ['main'],
+		outputs: ['main'],
+		credentials: [
+			{
+				name: 'discordApi',
+				required: true,
+			}
+		],
+		properties: [
+			{
+				displayName: 'Resource',
+				name: 'resource',
+				type: 'options',
+				options: [
+					{
+						name: 'Message',
+						value: 'message',
+					},
+				],
+				default: 'message',
+				description: 'The resource to operate on.',
+			},
+
+
+
+			// ----------------------------------
+			//         operations
+			// ----------------------------------
+			{
+				displayName: 'Operation',
+				name: 'operation',
+				type: 'options',
+				displayOptions: {
+					show: {
+						resource: [
+							'message',
+						],
+					},
+				},
+				options: [
+					{
+						name: 'Post',
+						value: 'post',
+						description: 'Post a message into a channel',
+					},
+				],
+				default: 'post',
+				description: 'The operation to perform.',
+			},
+
+			// ----------------------------------
+			//         message
+			// ----------------------------------
+
+			// ----------------------------------
+			//         message:post
+			// ----------------------------------
+			{
+				displayName: 'Text',
+				name: 'text',
+				type: 'string',
+				typeOptions: {
+					alwaysOpenEditWindow: true,
+				},
+				default: '',
+				displayOptions: {
+					show: {
+						operation: [
+							'post'
+						],
+						resource: [
+							'message',
+						],
+					},
+				},
+				description: 'The text to send.',
+			}
+		],
+	};
+
+
+
+	async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
+		const items = this.getInputData();
+		const returnData: IDataObject[] = [];
+
+		const credentials = this.getCredentials('discordApi');
+
+		if (credentials === undefined) {
+			throw new Error('No credentials got returned!');
+		}
+
+		let operation: string;
+		let resource: string;
+		let requestMethod = 'POST';
+
+		// For Post
+		let body: IDataObject;
+		// For Query string
+		let qs: IDataObject;
+
+		for (let i = 0; i < items.length; i++) {
+			body = {};
+			qs = {};
+
+			resource = this.getNodeParameter('resource', i) as string;
+			operation = this.getNodeParameter('operation', i) as string;
+			
+			if (resource === 'message') {
+				if (operation === 'post') {
+					// ----------------------------------
+					//         message:post
+					// ----------------------------------
+
+					requestMethod = 'POST';
+					body.content = this.getNodeParameter('text', i) as string;
+
+					const attachments = this.getNodeParameter('attachments', i, []) as unknown as Attachment[];
+
+					// The node does save the fields data differently than the API
+					// expects so fix the data befre we send the request
+					for (const attachment of attachments) {
+						if (attachment.fields !== undefined) {
+							if (attachment.fields.item !== undefined) {
+								// Move the field-content up
+								// @ts-ignore
+								attachment.fields = attachment.fields.item;
+							} else {
+								// If it does not have any items set remove it
+								delete attachment.fields;
+							}
+						}
+					}
+					body['attachments'] = attachments;
+				}
+			} else {
+				throw new Error(`The resource "${resource}" is not known!`);
+			}
+
+			const options = {
+				method: requestMethod,
+				body,
+				qs,
+				uri: `${credentials.webhookUri}`,
+				headers: {
+					'content-type': 'application/json; charset=utf-8'
+				},
+				json: true
+			};
+
+			const responseData = await this.helpers.request(options);
+
+			returnData.push(responseData as IDataObject);
+		}
+
+		return [this.helpers.returnJsonArray(returnData)];
+	}
+}

packages/nodes-base/package.json

@@ -51,7 +51,8 @@
             "dist/credentials/TelegramApi.credentials.js",
             "dist/credentials/TrelloApi.credentials.js",
             "dist/credentials/TwilioApi.credentials.js",
-            "dist/credentials/TypeformApi.credentials.js"
+            "dist/credentials/TypeformApi.credentials.js",
+            "dist/credentials/DiscordApi.credentials.js"
         ],
         "nodes": [
             "dist/nodes/ActiveCampaign/ActiveCampaign.node.js",
@@ -64,6 +65,7 @@
             "dist/nodes/Chargebee/ChargebeeTrigger.node.js",
             "dist/nodes/Cron.node.js",
             "dist/nodes/Dropbox/Dropbox.node.js",
+            "dist/nodes/DiscordWebhook/DiscordWebhook.node.js",
             "dist/nodes/EditImage.node.js",
             "dist/nodes/EmailReadImap.node.js",
             "dist/nodes/EmailSend.node.js",