Initial version.

packages/nodes-base/nodes/SIGNL4/GenericFunctions.ts

@@ -0,0 +1,64 @@
+import {
+	IExecuteFunctions,
+	IHookFunctions,
+} from 'n8n-core';
+
+import {
+	ICredentialDataDecryptedObject,
+	IDataObject,
+} from 'n8n-workflow';
+
+/**
+ * Make an API request to MSG91
+ *
+ * @param {IHookFunctions | IExecuteFunctions} this
+ * @param {object} message
+ * @returns {Promise<any>}
+ */
+export async function SIGNL4ApiRequest(this: IHookFunctions | IExecuteFunctions, message: IDataObject): Promise<any> { // tslint:disable-line:no-any
+	const credentials = this.getCredentials('SIGNL4Api');
+	if (credentials === undefined) {
+		throw new Error('No credentials got returned!');
+	}
+	
+	const teamsecret = credentials!.teamSecret as string;
+
+	var response = null;
+	try {
+		response = await this.helpers.request({
+			headers: {'Content-Type': 'application/json'},
+			method: 'POST',
+			body: message,
+			qs: {},
+			uri: `https://connect.signl4.com/webhook/${teamsecret}`,
+			json: true
+		});
+	}
+	catch (error) {
+		
+		throw new Error(`I am behind. Status: ${JSON.stringify(teamsecret)}`);
+
+		if (error && error.message) {
+			throw new Error(`Error sending the SIGNL4 request. Error: ${JSON.stringify(error.message)}`);
+		}
+			
+		throw new Error('Error sending the SIGNL4 request.');
+
+		throw error;
+	}
+
+	return response;
+}
+
+
+function setPayload(credentials: ICredentialDataDecryptedObject, o?: IDataObject) {
+	if (!o) {
+		o = {};
+	}
+
+	o.p = credentials!.teamSecret as string;
+	o.json = 1;
+	o.sendwith = 'n8n';
+
+	return o;
+}

packages/nodes-base/nodes/SIGNL4/signl4.node.ts

@@ -0,0 +1,233 @@
+import {IExecuteFunctions,} from 'n8n-core';
+import {IDataObject, INodeExecutionData, INodeType, INodeTypeDescription,} from 'n8n-workflow';
+import {SIGNL4ApiRequest} from './GenericFunctions';
+
+export class SIGNL4 implements INodeType {
+	description: INodeTypeDescription = {
+		displayName: 'SIGNL4',
+		name: 'SIGNL4',
+		icon: 'file:signl4.png',
+		group: ['transform'],
+		version: 1,
+		subtitle: '={{$parameter["operation"] + ": " + $parameter["resource"]}}',
+		description: 'Send SIGNL4 alert.',
+		defaults: {
+			name: 'SIGNL4',
+			color: '#0000FF',
+		},
+		inputs: ['main'],
+		outputs: ['main'],
+		credentials: [
+			{
+				name: 'SIGNL4Api',
+				required: true,
+			}
+		],
+		properties: [
+			{
+				displayName: 'Resource',
+				name: 'resource',
+				type: 'options',
+				options: [
+					{
+						name: 'Alert',
+						value: 'alert',
+					},
+				],
+				default: 'alert',
+				description: 'The resource to operate on.',
+			},
+			{
+				displayName: 'Operation',
+				name: 'operation',
+				type: 'options',
+				displayOptions: {
+					show: {
+						resource: [
+							'alert',
+						],
+					},
+				},
+				options: [
+					{
+						name: 'Send Alert',
+						value: 'send',
+						description: 'Send SIGNL4 alert.',
+					},
+				],
+				default: 'send',
+				description: 'The operation to perform.',
+			},
+			{
+				displayName: 'Subject',
+				name: 'subject',
+				type: 'string',
+				default: 'SIGNL4 Alert',
+				placeholder: 'SIGNL4 Alert',
+				required: true,
+				displayOptions: {
+					show: {
+						operation: [
+							'send',
+						],
+						resource: [
+							'alert',
+						],
+					},
+				},
+				description: 'The subject of the SIGNL4 alert.',
+			},
+			{
+				displayName: 'Body',
+				name: 'body',
+				type: 'string',
+				default: '',
+				placeholder: 'Alert description.',
+				required: false,
+				displayOptions: {
+					show: {
+						operation: [
+							'send',
+						],
+						resource: [
+							'alert',
+						],
+					},
+				},
+				description: 'A more detailed description for the alert.',
+			},
+			{
+				displayName: 'S4-Service',
+				name: 'xS4Service',
+				type: 'string',
+				default: '',
+				required: false,
+				displayOptions: {
+					show: {
+						operation: [
+							'send',
+						],
+						resource: [
+							'alert',
+						],
+					},
+				},
+				description: 'Assigns the alert to the service/system category with the specified name.',
+			},
+			{
+				displayName: 'S4-Location',
+				name: 'xS4Location',
+				type: 'string',
+				default: '',
+				required: false,
+				displayOptions: {
+					show: {
+						operation: [
+							'send',
+						],
+						resource: [
+							'alert',
+						],
+					},
+				},
+				description: 'Transmit location information (\'latitude, longitude\') with your event and display a map in the mobile app.',
+			},
+			{
+				displayName: 'S4-AlertingScenario',
+				name: 'xS4AlertingScenario',
+				type: 'options',
+				options: [
+					{
+						name: 'single_ack',
+						value: 'single_ack',
+					},
+					{
+						name: 'multi_ack',
+						value: 'multi_ack',
+					},
+				],
+				default: 'single_ack',
+				required: false,
+				displayOptions: {
+					show: {
+						operation: [
+							'send',
+						],
+						resource: [
+							'alert',
+						],
+					},
+				},
+				description: 'Pass \'single_ack\' if only one person needs to confirm this Signl. Pass \'multi_ack\' in case this alert must be confirmed by the number of people who are on duty at the time this Singl is raised.',
+			},
+			{
+				displayName: 'S4-ExternalID',
+				name: 'xS4ExternalId',
+				type: 'string',
+				default: '',
+				required: false,
+				displayOptions: {
+					show: {
+						operation: [
+							'send',
+						],
+						resource: [
+							'alert',
+						],
+					},
+				},
+				description: 'If the event originates from a record in a 3rd party system, use this parameter to pass the unique ID of that record. That ID will be communicated in outbound webhook notifications from SIGNL4, which is great for correlation/synchronization of that record with the alert.',
+			},
+			{
+				displayName: 'S4-Filtering',
+				name: 'xS4Filtering',
+				type: 'boolean',
+				default: 'false',
+				required: false,
+				displayOptions: {
+					show: {
+						operation: [
+							'send',
+						],
+						resource: [
+							'alert',
+						],
+					},
+				},
+				description: 'Specify a boolean value of true or false to apply event filtering for this event, or not. If set to true, the event will only trigger a notification to the team, if it contains at least one keyword from one of your services and system categories (i.e. it is whitelisted)',
+			}			
+		],
+	};
+
+	async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
+		const returnData: IDataObject[] = [];
+
+		for (let i = 0; i < this.getInputData().length; i++) {
+			const resource = this.getNodeParameter('resource', i);
+			if ('alert' !== resource) {
+				throw new Error(`The resource "${resource}" is not known!`);
+			}
+
+			const operation = this.getNodeParameter('operation', i);
+			if ('send' !== operation) {
+				throw new Error(`The operation "${operation}" is not known!`);
+			}
+			
+			// Assemble JSON data
+			var message = {
+				Subject: this.getNodeParameter('subject', i),
+				Body: this.getNodeParameter('body', i)
+			} as IDataObject;
+			message['X-S4-Service'] = this.getNodeParameter('xS4Service', i);
+			message['X-S4-Location'] = this.getNodeParameter('xS4Location', i);
+			message['X-S4-AlertingScenario'] = this.getNodeParameter('xS4AlertingScenario', i);
+			message['X-S4-ExternalID'] = this.getNodeParameter('xS4ExternalId', i);
+			message['X-S4-Filtering'] = this.getNodeParameter('xS4Filtering', i);
+
+			const responseData = await SIGNL4ApiRequest.call(this, message);
+
+			returnData.push(responseData);
+		}
+		return [this.helpers.returnJsonArray(returnData)];
+	}
+}