import type { IExecuteFunctions } from 'n8n-core'; import type { IDataObject, INodeExecutionData, INodeType, INodeTypeDescription, } from 'n8n-workflow'; import { NodeApiError } from 'n8n-workflow'; export class Mailgun implements INodeType { description: INodeTypeDescription = { displayName: 'Mailgun', name: 'mailgun', icon: 'file:mailgun.svg', group: ['output'], version: 1, description: 'Sends an email via Mailgun', defaults: { name: 'Mailgun', }, inputs: ['main'], outputs: ['main'], credentials: [ { name: 'mailgunApi', required: true, }, ], properties: [ { displayName: 'From Email', name: 'fromEmail', type: 'string', default: '', required: true, placeholder: 'Admin ', description: 'Email address of the sender optional with name', }, { displayName: 'To Email', name: 'toEmail', type: 'string', default: '', required: true, placeholder: 'info@example.com', description: 'Email address of the recipient. Multiple ones can be separated by comma.', }, { displayName: 'Cc Email', name: 'ccEmail', type: 'string', default: '', placeholder: '', description: 'Cc Email address of the recipient. Multiple ones can be separated by comma.', }, { displayName: 'Bcc Email', name: 'bccEmail', type: 'string', default: '', placeholder: '', description: 'Bcc Email address of the recipient. Multiple ones can be separated by comma.', }, { displayName: 'Subject', name: 'subject', type: 'string', default: '', placeholder: 'My subject line', description: 'Subject line of the email', }, { displayName: 'Text', name: 'text', type: 'string', typeOptions: { rows: 5, }, default: '', description: 'Plain text message of email', }, { displayName: 'HTML', name: 'html', type: 'string', typeOptions: { rows: 5, editor: 'htmlEditor', }, default: '', description: 'HTML text message of email', }, { displayName: 'Attachments', name: 'attachments', type: 'string', default: '', description: 'Name of the binary properties which contain data which should be added to email as attachment. Multiple ones can be comma-separated.', }, ], }; async execute(this: IExecuteFunctions): Promise { const items = this.getInputData(); const returnData: INodeExecutionData[] = []; const length = items.length; let item: INodeExecutionData; for (let itemIndex = 0; itemIndex < length; itemIndex++) { try { item = items[itemIndex]; const fromEmail = this.getNodeParameter('fromEmail', itemIndex) as string; const toEmail = this.getNodeParameter('toEmail', itemIndex) as string; const ccEmail = this.getNodeParameter('ccEmail', itemIndex) as string; const bccEmail = this.getNodeParameter('bccEmail', itemIndex) as string; const subject = this.getNodeParameter('subject', itemIndex) as string; const text = this.getNodeParameter('text', itemIndex) as string; const html = this.getNodeParameter('html', itemIndex) as string; const attachmentPropertyString = this.getNodeParameter('attachments', itemIndex) as string; const credentials = await this.getCredentials('mailgunApi'); const formData: IDataObject = { from: fromEmail, to: toEmail, subject, text, html, }; if (ccEmail.length !== 0) { formData.cc = ccEmail; } if (bccEmail.length !== 0) { formData.bcc = bccEmail; } if (attachmentPropertyString && item.binary) { const attachments = []; const attachmentProperties: string[] = attachmentPropertyString .split(',') .map((propertyName) => { return propertyName.trim(); }); for (const propertyName of attachmentProperties) { if (!item.binary.hasOwnProperty(propertyName)) { continue; } const binaryDataBuffer = await this.helpers.getBinaryDataBuffer( itemIndex, propertyName, ); attachments.push({ value: binaryDataBuffer, options: { filename: item.binary[propertyName].fileName || 'unknown', }, }); } if (attachments.length) { // @ts-ignore formData.attachment = attachments; } } const options = { method: 'POST', formData, uri: `https://${credentials.apiDomain}/v3/${credentials.emailDomain}/messages`, json: true, }; let responseData; try { responseData = await this.helpers.requestWithAuthentication.call( this, 'mailgunApi', options, ); } catch (error) { throw new NodeApiError(this.getNode(), error); } const executionData = this.helpers.constructExecutionMetaData( this.helpers.returnJsonArray(responseData), { itemData: { item: itemIndex } }, ); returnData.push(...executionData); } catch (error) { if (this.continueOnFail()) { const executionErrorData = this.helpers.constructExecutionMetaData( this.helpers.returnJsonArray({ error: error.message }), { itemData: { item: itemIndex } }, ); returnData.push(...executionErrorData); continue; } throw error; } } return this.prepareOutputData(returnData); } }