import { IDataObject, INodeType, INodeTypeDescription, IWebhookResponseData, NodeApiError, NodeOperationError, } from 'n8n-workflow'; import { IHookFunctions, IWebhookFunctions } from 'n8n-core'; import { eventDisplay, eventNameField } from './descriptions/OnfleetWebhookDescription'; import { onfleetApiRequest } from './GenericFunctions'; import { webhookMapping } from './WebhookMapping'; export class OnfleetTrigger implements INodeType { description: INodeTypeDescription = { displayName: 'Onfleet Trigger', name: 'onfleetTrigger', icon: 'file:Onfleet.svg', group: ['trigger'], version: 1, subtitle: '={{$parameter["triggerOn"]}}', description: 'Starts the workflow when Onfleet events occur', defaults: { name: 'Onfleet Trigger', }, inputs: [], outputs: ['main'], credentials: [ { name: 'onfleetApi', required: true, testedBy: 'onfleetApiTest', }, ], webhooks: [ { name: 'setup', httpMethod: 'GET', responseMode: 'onReceived', path: 'webhook', }, { name: 'default', httpMethod: 'POST', responseMode: 'onReceived', path: 'webhook', }, ], properties: [eventDisplay, eventNameField], }; // @ts-ignore (because of request) webhookMethods = { default: { async checkExists(this: IHookFunctions): Promise { const webhookData = this.getWorkflowStaticData('node'); const webhookUrl = this.getNodeWebhookUrl('default') as string; // Webhook got created before so check if it still exists const endpoint = '/webhooks'; const webhooks = await onfleetApiRequest.call(this, 'GET', endpoint); for (const webhook of webhooks) { if (webhook.url === webhookUrl && webhook.trigger === event) { webhookData.webhookId = webhook.id; return true; } } return false; }, async create(this: IHookFunctions): Promise { const { name = '' } = this.getNodeParameter('additionalFields') as IDataObject; const triggerOn = this.getNodeParameter('triggerOn') as string; const webhookData = this.getWorkflowStaticData('node'); const webhookUrl = this.getNodeWebhookUrl('default') as string; if (webhookUrl.includes('//localhost')) { throw new NodeOperationError( this.getNode(), 'The Webhook can not work on "localhost". Please, either setup n8n on a custom domain or start with "--tunnel"!', ); } // Webhook name according to the field let newWebhookName = `n8n-webhook:${webhookUrl}`; if (name) { newWebhookName = `n8n-webhook:${name}`; } const path = '/webhooks'; const body = { name: newWebhookName, url: webhookUrl, trigger: webhookMapping[triggerOn].key, }; try { const webhook = await onfleetApiRequest.call(this, 'POST', path, body); if (webhook.id === undefined) { throw new NodeApiError(this.getNode(), webhook, { message: 'Onfleet webhook creation response did not contain the expected data', }); } webhookData.id = webhook.id as string; } catch (error) { const { httpCode = '' } = error as { httpCode: string }; if (httpCode === '422') { throw new NodeOperationError( this.getNode(), 'A webhook with the identical URL probably exists already. Please delete it manually in Onfleet!', ); } throw error; } return true; }, async delete(this: IHookFunctions): Promise { const webhookData = this.getWorkflowStaticData('node'); // Get the data of the already registered webhook const endpoint = `/webhooks/${webhookData.id}`; await onfleetApiRequest.call(this, 'DELETE', endpoint); return true; }, }, }; /** * Triggered function when an Onfleet webhook is executed */ async webhook(this: IWebhookFunctions): Promise { const req = this.getRequestObject(); if (this.getWebhookName() === 'setup') { /* -------------------------------------------------------------------------- */ /* Validation request */ /* -------------------------------------------------------------------------- */ const res = this.getResponseObject(); res.status(200).send(req.query.check); return { noWebhookResponse: true }; } const returnData: IDataObject = this.getBodyData(); return { workflowData: [this.helpers.returnJsonArray(returnData)], }; } }