import type { IExecuteFunctions } from 'n8n-core'; import type { ICredentialDataDecryptedObject, ICredentialsDecrypted, ICredentialTestFunctions, IDataObject, INodeCredentialTestResult, INodeExecutionData, INodeType, INodeTypeDescription, } from 'n8n-workflow'; import { dhlApiRequest, validateCredentials } from './GenericFunctions'; export class Dhl implements INodeType { description: INodeTypeDescription = { displayName: 'DHL', name: 'dhl', icon: 'file:dhl.svg', group: ['input'], version: 1, subtitle: '={{$parameter["operation"] + ": " + $parameter["resource"]}}', description: 'Consume DHL API', defaults: { name: 'DHL', }, inputs: ['main'], outputs: ['main'], credentials: [ { name: 'dhlApi', required: true, testedBy: 'dhlApiCredentialTest', }, ], properties: [ { displayName: 'Resource', name: 'resource', noDataExpression: true, type: 'hidden', options: [ { name: 'Shipment', value: 'shipment', }, ], default: 'shipment', }, { displayName: 'Operation', name: 'operation', type: 'options', noDataExpression: true, displayOptions: { show: { resource: ['shipment'], }, }, options: [ { name: 'Get Tracking Details', value: 'get', action: 'Get tracking details for a shipment', }, ], default: 'get', }, { displayName: 'Tracking Number', name: 'trackingNumber', type: 'string', required: true, default: '', }, { displayName: 'Options', name: 'options', type: 'collection', placeholder: 'Add Option', default: {}, options: [ { displayName: "Recipient's Postal Code", name: 'recipientPostalCode', type: 'string', default: '', description: "DHL will return more detailed information on the shipment when you provide the Recipient's Postal Code - it acts as a verification step", }, ], }, ], }; methods = { credentialTest: { async dhlApiCredentialTest( this: ICredentialTestFunctions, credential: ICredentialsDecrypted, ): Promise { try { await validateCredentials.call(this, credential.data as ICredentialDataDecryptedObject); } catch (error) { if (error.statusCode === 401) { return { status: 'Error', message: 'The API Key included in the request is invalid', }; } } return { status: 'OK', message: 'Connection successful!', }; }, }, }; async execute(this: IExecuteFunctions): Promise { const items = this.getInputData(); const returnData: IDataObject[] = []; let qs: IDataObject = {}; let responseData; const resource = this.getNodeParameter('resource', 0); const operation = this.getNodeParameter('operation', 0); for (let i = 0; i < items.length; i++) { try { if (resource === 'shipment') { if (operation === 'get') { const trackingNumber = this.getNodeParameter('trackingNumber', i) as string; const options = this.getNodeParameter('options', i); qs = { trackingNumber, }; Object.assign(qs, options); responseData = await dhlApiRequest.call(this, 'GET', '/track/shipments', {}, qs); returnData.push(...responseData.shipments); } } } catch (error) { if (this.continueOnFail()) { returnData.push({ error: error.description }); continue; } throw error; } } return [this.helpers.returnJsonArray(returnData)]; } }