n8n/packages/nodes-base/nodes/Lemlist/LemlistTrigger.node.ts

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import {
IHookFunctions,
IWebhookFunctions,
} from 'n8n-core';
import {
IDataObject,
ILoadOptionsFunctions,
INodeType,
INodeTypeDescription,
IWebhookResponseData,
} from 'n8n-workflow';
import {
getEvents,
lemlistApiRequest,
} from './GenericFunctions';
export class LemlistTrigger implements INodeType {
description: INodeTypeDescription = {
displayName: 'Lemlist Trigger',
name: 'lemlistTrigger',
icon: 'file:lemlist.svg',
group: ['trigger'],
version: 1,
subtitle: '={{$parameter["event"]}}',
description: 'Handle Lemlist events via webhooks',
defaults: {
name: 'Lemlist Trigger',
},
inputs: [],
outputs: ['main'],
credentials: [
{
name: 'lemlistApi',
required: true,
},
],
webhooks: [
{
name: 'default',
httpMethod: 'POST',
responseMode: 'onReceived',
path: 'webhook',
},
],
properties: [
{
displayName: 'Event',
name: 'event',
type: 'options',
required: true,
default: '',
options: [
...getEvents(),
],
},
{
displayName: 'Options',
name: 'options',
type: 'collection',
placeholder: 'Add Field',
default: {},
options: [
{
displayName: 'Campaing ID',
name: 'campaignId',
type: 'options',
typeOptions: {
loadOptionsMethod: 'getCampaigns',
},
default: '',
description: ` We'll call this hook only for this campaignId.`,
},
{
displayName: 'Is First',
name: 'isFirst',
type: 'boolean',
default: false,
description: `We'll call this hook only the first time this activity happened.`,
},
],
},
],
};
methods = {
loadOptions: {
async getCampaigns(this: ILoadOptionsFunctions) {
const campaigns = await lemlistApiRequest.call(this, 'GET', '/campaigns');
return campaigns.map(({ _id, name }: { _id: string, name: string }) => ({
name,
value: _id,
}));
},
},
};
// @ts-ignore
webhookMethods = {
default: {
async checkExists(this: IHookFunctions): Promise<boolean> {
const webhookData = this.getWorkflowStaticData('node');
const webhookUrl = this.getNodeWebhookUrl('default');
const webhooks = await lemlistApiRequest.call(this, 'GET', '/hooks');
for (const webhook of webhooks) {
if (webhook.targetUrl === webhookUrl) {
await lemlistApiRequest.call(this, 'DELETE', `/hooks/${webhookData.webhookId}`);
return false;
}
}
return false;
},
async create(this: IHookFunctions): Promise<boolean> {
const webhookUrl = this.getNodeWebhookUrl('default');
const webhookData = this.getWorkflowStaticData('node');
const options = this.getNodeParameter('options') as IDataObject;
const event = this.getNodeParameter('event') as string[];
const body: IDataObject = {
targetUrl: webhookUrl,
type: event,
};
if (event.includes('*')) {
delete body.type;
}
Object.assign(body, options);
const webhook = await lemlistApiRequest.call(this, 'POST', '/hooks', body);
webhookData.webhookId = webhook._id;
return true;
},
async delete(this: IHookFunctions): Promise<boolean> {
const webhookData = this.getWorkflowStaticData('node');
try {
await lemlistApiRequest.call(this, 'DELETE', `/hooks/${webhookData.webhookId}`);
} catch (error) {
return false;
}
delete webhookData.webhookId;
return true;
},
},
};
async webhook(this: IWebhookFunctions): Promise<IWebhookResponseData> {
const req = this.getRequestObject();
return {
workflowData: [
this.helpers.returnJsonArray(req.body),
],
};
}
}