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packages/nodes-base/nodes/Venafi/ProtectCloud/VenafiTlsProtectCloudTrigger.node.ts

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+import {
+	NodeConnectionTypes,
+	type IHookFunctions,
+	type ILoadOptionsFunctions,
+	type INodePropertyOptions,
+	type INodeType,
+	type INodeTypeDescription,
+	type IWebhookFunctions,
+	type IWebhookResponseData,
+} from 'n8n-workflow';
+
+import { venafiApiRequest } from './GenericFunctions';
+
+export class VenafiTlsProtectCloudTrigger implements INodeType {
+	description: INodeTypeDescription = {
+		displayName: 'Venafi TLS Protect Cloud Trigger',
+		name: 'venafiTlsProtectCloudTrigger',
+		icon: 'file:../venafi.svg',
+		group: ['trigger'],
+		version: 1,
+		description: 'Starts the workflow when Venafi events occur',
+		defaults: {
+			name: 'Venafi TLS Protect Cloud Trigger',
+		},
+		credentials: [
+			{
+				name: 'venafiTlsProtectCloudApi',
+				required: true,
+			},
+		],
+		webhooks: [
+			{
+				name: 'default',
+				httpMethod: 'POST',
+				responseMode: 'onReceived',
+				path: 'webhook',
+			},
+		],
+		inputs: [],
+		outputs: [NodeConnectionTypes.Main],
+		properties: [
+			{
+				// eslint-disable-next-line n8n-nodes-base/node-param-display-name-wrong-for-dynamic-options
+				displayName: 'Resource',
+				name: 'resource',
+				type: 'options',
+				noDataExpression: true,
+				typeOptions: {
+					loadOptionsMethod: 'getActivityTypes',
+				},
+				required: true,
+				default: [],
+				description:
+					'Choose from the list, or specify an ID using an <a href="https://docs.n8n.io/code/expressions/">expression</a>. Choose from the list, or specify IDs using an <a href="https://docs.n8n.io/code/expressions/">expression</a>. Choose from the list, or specify an ID using an <a href="https://docs.n8n.io/code/expressions/">expression</a>.',
+			},
+			{
+				// eslint-disable-next-line n8n-nodes-base/node-param-display-name-wrong-for-dynamic-multi-options
+				displayName: 'Trigger On',
+				name: 'triggerOn',
+				type: 'multiOptions',
+				typeOptions: {
+					loadOptionsMethod: 'getActivitySubTypes',
+					loadOptionsDependsOn: ['resource'],
+				},
+				required: true,
+				default: [],
+				description:
+					'Choose from the list, or specify an ID using an <a href="https://docs.n8n.io/code/expressions/">expression</a>. Choose from the list, or specify IDs using an <a href="https://docs.n8n.io/code/expressions/">expression</a>. Choose from the list, or specify an ID using an <a href="https://docs.n8n.io/code/expressions/">expression</a>. Choose from the list, or specify IDs using an <a href="https://docs.n8n.io/code/expressions/">expression</a>.',
+			},
+		],
+	};
+
+	methods = {
+		loadOptions: {
+			async getActivityTypes(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
+				const activitytypes = await venafiApiRequest.call(this, 'GET', '/v1/activitytypes');
+				return activitytypes.map(
+					({ key, readableName }: { key: string; readableName: string }) => ({
+						name: readableName,
+						value: key,
+					}),
+				);
+			},
+			async getActivitySubTypes(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
+				const resource = this.getCurrentNodeParameter('resource') as string;
+				const activitytypes = await venafiApiRequest.call(this, 'GET', '/v1/activitytypes');
+				const activity = activitytypes.find(({ key }: { key: string }) => key === resource) as {
+					values: [{ key: string; readableName: string }];
+				};
+				const subActivities = activity.values.map(({ key, readableName }) => ({
+					name: readableName,
+					value: key,
+				}));
+				subActivities.unshift({ name: '[All]', value: '*' });
+				return subActivities;
+			},
+		},
+	};
+
+	webhookMethods = {
+		default: {
+			async checkExists(this: IHookFunctions): Promise<boolean> {
+				const webhookUrl = this.getNodeWebhookUrl('default');
+
+				const { connectors } = await venafiApiRequest.call(this, 'GET', '/v1/connectors');
+
+				for (const connector of connectors) {
+					const {
+						id,
+						status,
+						properties: {
+							target: {
+								connection: { url },
+							},
+						},
+					} = connector;
+
+					if (url === webhookUrl && status === 'Active') {
+						await venafiApiRequest.call(this, 'DELETE', `/v1/connectors/${id}`);
+						return false;
+					}
+				}
+				return false;
+			},
+			async create(this: IHookFunctions): Promise<boolean> {
+				const webhookUrl = this.getNodeWebhookUrl('default');
+				const resource = this.getNodeParameter('resource') as string;
+				const body = {
+					name: `n8n-webhook (${webhookUrl})`,
+					properties: {
+						connectorKind: 'WEBHOOK',
+						target: {
+							type: 'generic',
+							connection: {
+								url: webhookUrl,
+							},
+						},
+						filter: {
+							activityTypes: [resource],
+						},
+					},
+				};
+
+				const responseData = await venafiApiRequest.call(this, 'POST', '/v1/connectors', body);
+
+				if (responseData.id === undefined) {
+					// Required data is missing so was not successful
+					return false;
+				}
+
+				const webhookData = this.getWorkflowStaticData('node');
+				webhookData.webhookId = responseData.id as string;
+
+				return true;
+			},
+			async delete(this: IHookFunctions): Promise<boolean> {
+				const webhookData = this.getWorkflowStaticData('node');
+
+				if (webhookData.webhookId !== undefined) {
+					try {
+						await venafiApiRequest.call(this, 'DELETE', `/v1/connectors/${webhookData.webhookId}`);
+					} catch (error) {
+						return false;
+					}
+
+					// Remove from the static workflow data so that it is clear
+					// that no webhooks are registered anymore
+					delete webhookData.webhookId;
+				}
+
+				return true;
+			},
+		},
+	};
+
+	async webhook(this: IWebhookFunctions): Promise<IWebhookResponseData> {
+		const { events } = this.getBodyData() as { events: [{ message: string; eventName: string }] };
+		const triggerOn = this.getNodeParameter('triggerOn') as string;
+
+		if (Array.isArray(events) && events[0]?.message?.includes('TESTING CONNECTION...')) {
+			// Is a create webhook confirmation request
+			const res = this.getResponseObject();
+			res.status(200).end();
+			return {
+				noWebhookResponse: true,
+			};
+		}
+
+		if (!triggerOn.includes('*') && !triggerOn.includes(events[0]?.eventName)) return {};
+
+		return {
+			workflowData: [this.helpers.returnJsonArray(events)],
+		};
+	}
+}