✨ Add Netlify regular and trigger node (#2177)

* ✨ Add Netlify node

* ⚡ Add Sites resource

* ✨ Add regular Netlify node

* ⚡ Add Netlify Trigger node

* 🔨 Fix issue with body parameter

* ⚡ Improvements

* ⚡ Improvements

Co-authored-by: Harshil <ghagrawal17@gmail.com>

packages/nodes-base/nodes/Netlify/NetlifyTrigger.node.ts

@@ -0,0 +1,233 @@
+import {
+	IHookFunctions,
+	IWebhookFunctions,
+} from 'n8n-core';
+
+import {
+	IDataObject,
+	ILoadOptionsFunctions,
+	INodePropertyOptions,
+	INodeType,
+	INodeTypeDescription,
+	IWebhookResponseData,
+} from 'n8n-workflow';
+
+
+import {
+	netlifyApiRequest,
+} from './GenericFunctions';
+
+import {
+	snakeCase,
+} from 'change-case';
+
+export class NetlifyTrigger implements INodeType {
+	description: INodeTypeDescription = {
+		displayName: 'Netlify Trigger',
+		name: 'netlifyTrigger',
+		icon: 'file:netlify.svg',
+		group: ['trigger'],
+		version: 1,
+		subtitle: '={{$parameter["event"]}}',
+		description: 'Handle netlify events via webhooks',
+		defaults: {
+			name: 'Netlify Trigger',
+			color: '#6ad7b9',
+		},
+		inputs: [],
+		outputs: ['main'],
+		credentials: [
+			{
+				name: 'netlifyApi',
+				required: true,
+			},
+		],
+		webhooks: [
+			{
+				name: 'default',
+				httpMethod: 'POST',
+				responseMode: 'onReceived',
+				path: 'webhook',
+			},
+		],
+		properties: [
+			{
+				displayName: 'Site Name/ID',
+				name: 'siteId',
+				required: true,
+				type: 'options',
+				default: '',
+				typeOptions: {
+					loadOptionsMethod: 'getSites',
+				},
+				description: 'Select the Site ID',
+			},
+			{
+				displayName: 'Event',
+				name: 'event',
+				type: 'options',
+				required: true,
+				default: '',
+				options: [
+					{
+						name: 'Deploy Building',
+						value: 'deployBuilding',
+					},
+					{
+						name: 'Deploy Failed',
+						value: 'deployFailed',
+					},
+					{
+						name: 'Deploy Created',
+						value: 'deployCreated',
+					},
+					{
+						name: 'Form Submitted',
+						value: 'submissionCreated',
+					},
+				],
+			},
+			{
+				displayName: 'Form ID',
+				name: 'formId',
+				type: 'options',
+				required: true,
+				displayOptions: {
+					show: {
+						event: [
+							'submissionCreated',
+						],
+					},
+				},
+				default: '',
+				typeOptions: {
+					loadOptionsMethod: 'getForms',
+				},
+				description: 'Select a form',
+			},
+			{
+				displayName: 'Simplify Response',
+				name: 'simple',
+				type: 'boolean',
+				displayOptions: {
+					show: {
+						event: [
+							'submissionCreated',
+						],
+					},
+				},
+				default: true,
+				description: 'Whether to return a simplified version of the response instead of the raw data',
+			},
+		],
+	};
+
+	// @ts-ignore
+	webhookMethods = {
+		default: {
+			async checkExists(this: IHookFunctions): Promise<boolean> {
+				const qs: IDataObject = {};
+				const webhookData = this.getWorkflowStaticData('node');
+				const webhookUrl = this.getNodeWebhookUrl('default');
+				const event = this.getNodeParameter('event') as string;
+				qs.site_id = this.getNodeParameter('siteId') as string;
+				const webhooks = await netlifyApiRequest.call(this, 'GET', '/hooks', {}, qs);
+				for (const webhook of webhooks) {
+					if (webhook.type === 'url') {
+						if (webhook.data.url === webhookUrl && webhook.event === snakeCase(event)) {
+							webhookData.webhookId = webhook.id;
+							return true;
+						}
+					}
+				}
+				return false;
+			},
+			async create(this: IHookFunctions): Promise<boolean> {
+				//TODO - implement missing events
+				// alL posible events can be found doing a GET /hooks/types
+				const webhookUrl = this.getNodeWebhookUrl('default');
+				const webhookData = this.getWorkflowStaticData('node');
+				const event = this.getNodeParameter('event') as string;
+				const body: IDataObject = {
+					event: snakeCase(event),
+					data: {
+						url: webhookUrl,
+					},
+					site_id: this.getNodeParameter('siteId') as string,
+				};
+				const formId = this.getNodeParameter('formId', '*') as string;
+				if (event === 'submissionCreated' && formId !== '*') {
+					body.form_id = this.getNodeParameter('formId') as string;
+				}
+				const webhook = await netlifyApiRequest.call(this, 'POST', '/hooks', body);
+				webhookData.webhookId = webhook.id;
+				return true;
+			},
+			async delete(this: IHookFunctions): Promise<boolean> {
+				const webhookData = this.getWorkflowStaticData('node');
+				try {
+					await netlifyApiRequest.call(this, 'DELETE', `/hooks/${webhookData.webhookId}`);
+				} catch (error) {
+					return false;
+				}
+				delete webhookData.webhookId;
+				return true;
+			},
+		},
+	};
+
+	methods = {
+		loadOptions: {
+			async getSites(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
+				const returnData: INodePropertyOptions[] = [];
+				const sites = await netlifyApiRequest.call(
+					this,
+					'GET',
+					'/sites',
+				);
+				for (const site of sites) {
+					returnData.push({
+						name: site.name,
+						value: site.site_id,
+					});
+				}
+				return returnData;
+			},
+
+			async getForms(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
+				const returnData: INodePropertyOptions[] = [];
+				const siteId = this.getNodeParameter('siteId');
+				const forms = await netlifyApiRequest.call(
+					this,
+					'GET',
+					`/sites/${siteId}/forms`,
+				);
+				for (const form of forms) {
+					returnData.push({
+						name: form.name,
+						value: form.id,
+					});
+				}
+				returnData.unshift({ name: '[All Forms]', value: '*' });
+				return returnData;
+			},
+		},
+	};
+
+	async webhook(this: IWebhookFunctions): Promise<IWebhookResponseData> {
+		const req = this.getRequestObject();
+		const simple = this.getNodeParameter('simple', false) as boolean;
+		const event = this.getNodeParameter('event') as string;
+		let response = req.body;
+
+		if (simple === true && event === 'submissionCreated') {
+			response = response.data;
+		}
+
+		return {
+			workflowData: [
+				this.helpers.returnJsonArray(response),
+			],
+		};
+	}
+}