feat(core): Add "Sent by n8n" attribution (#7183)

Github issue / Community forum post (link here to close automatically):

---------

Co-authored-by: Giulio Andreini <g.andreini@gmail.com>

packages/nodes-base/nodes/Microsoft/Teams/ChannelMessageDescription.ts

@@ -120,6 +120,14 @@ export const channelMessageFields: INodeProperties[] = [
 			},
 		},
 		options: [
+			{
+				displayName: 'Include Link to Workflow',
+				name: 'includeLinkToWorkflow',
+				type: 'boolean',
+				default: true,
+				description:
+					'Whether to append a link to this workflow at the end of the message. This is helpful if you have many workflows sending messages.',
+			},
 			{
 				displayName: 'Make Reply',
 				name: 'makeReply',

packages/nodes-base/nodes/Microsoft/Teams/ChatMessageDescription.ts

@@ -95,6 +95,30 @@ export const chatMessageFields: INodeProperties[] = [
 		default: '',
 		description: 'The content of the item',
 	},
+	{
+		displayName: 'Options',
+		name: 'options',
+		type: 'collection',
+		displayOptions: {
+			show: {
+				operation: ['create'],
+				resource: ['chatMessage'],
+			},
+		},
+		default: {},
+		description: 'Other options to set',
+		placeholder: 'Add options',
+		options: [
+			{
+				displayName: 'Include Link to Workflow',
+				name: 'includeLinkToWorkflow',
+				type: 'boolean',
+				default: true,
+				description:
+					'Whether to append a link to this workflow at the end of the message. This is helpful if you have many workflows sending messages.',
+			},
+		],
+	},
 
 	/* -------------------------------------------------------------------------- */
 	/*                                 chatMessage:get                            */

packages/nodes-base/nodes/Microsoft/Teams/GenericFunctions.ts

@@ -89,3 +89,27 @@ export async function microsoftApiRequestAllItemsSkip(
 
 	return returnData;
 }
+
+export function prepareMessage(
+	this: IExecuteFunctions | ILoadOptionsFunctions,
+	message: string,
+	messageType: string,
+	includeLinkToWorkflow: boolean,
+	instanceId?: string,
+) {
+	if (includeLinkToWorkflow) {
+		const { id } = this.getWorkflow();
+		const link = `${this.getInstanceBaseUrl()}workflow/${id}?utm_source=n8n-internal&utm_medium=powered_by&utm_campaign=${encodeURIComponent(
+			'n8n-nodes-base.microsoftTeams',
+		)}${instanceId ? '_' + instanceId : ''}`;
+		messageType = 'html';
+		message = `${message}<br><br><em> Powered by <a href="${link}">this n8n workflow</a> </em>`;
+	}
+
+	return {
+		body: {
+			contentType: messageType,
+			content: message,
+		},
+	};
+}

packages/nodes-base/nodes/Microsoft/Teams/MicrosoftTeams.node.ts

@@ -8,7 +8,11 @@ import type {
 	INodeTypeDescription,
 } from 'n8n-workflow';
 
-import { microsoftApiRequest, microsoftApiRequestAllItems } from './GenericFunctions';
+import {
+	microsoftApiRequest,
+	microsoftApiRequestAllItems,
+	prepareMessage,
+} from './GenericFunctions';
 
 import { channelFields, channelOperations } from './ChannelDescription';
 
@@ -24,7 +28,7 @@ export class MicrosoftTeams implements INodeType {
 		name: 'microsoftTeams',
 		icon: 'file:teams.svg',
 		group: ['input'],
-		version: 1,
+		version: [1, 1.1],
 		subtitle: '={{$parameter["operation"] + ": " + $parameter["resource"]}}',
 		description: 'Consume Microsoft Teams API',
 		defaults: {
@@ -266,6 +270,9 @@ export class MicrosoftTeams implements INodeType {
 		let responseData;
 		const resource = this.getNodeParameter('resource', 0);
 		const operation = this.getNodeParameter('operation', 0);
+		const nodeVersion = this.getNode().typeVersion;
+		const instanceId = await this.getInstanceId();
+
 		for (let i = 0; i < length; i++) {
 			try {
 				if (resource === 'channel') {
@@ -365,12 +372,18 @@ export class MicrosoftTeams implements INodeType {
 						const message = this.getNodeParameter('message', i) as string;
 						const options = this.getNodeParameter('options', i);
 
-						const body: IDataObject = {
-							body: {
-								contentType: messageType,
-								content: message,
-							},
-						};
+						let includeLinkToWorkflow = options.includeLinkToWorkflow;
+						if (includeLinkToWorkflow === undefined) {
+							includeLinkToWorkflow = nodeVersion >= 1.1;
+						}
+
+						const body: IDataObject = prepareMessage.call(
+							this,
+							message,
+							messageType,
+							includeLinkToWorkflow as boolean,
+							instanceId,
+						);
 
 						if (options.makeReply) {
 							const replyToId = options.makeReply as string;
@@ -420,12 +433,19 @@ export class MicrosoftTeams implements INodeType {
 						const chatId = this.getNodeParameter('chatId', i) as string;
 						const messageType = this.getNodeParameter('messageType', i) as string;
 						const message = this.getNodeParameter('message', i) as string;
-						const body: IDataObject = {
-							body: {
-								contentType: messageType,
-								content: message,
-							},
-						};
+						const options = this.getNodeParameter('options', i, {});
+
+						const includeLinkToWorkflow =
+							options.includeLinkToWorkflow !== false && nodeVersion >= 1.1;
+
+						const body: IDataObject = prepareMessage.call(
+							this,
+							message,
+							messageType,
+							includeLinkToWorkflow,
+							instanceId,
+						);
+
 						responseData = await microsoftApiRequest.call(
 							this,
 							'POST',