n8n/packages/nodes-base/nodes/MailerLite/MailerLite.node.ts

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import {
IExecuteFunctions,
} from 'n8n-core';
import {
IDataObject,
ILoadOptionsFunctions,
INodeExecutionData,
INodePropertyOptions,
INodeType,
INodeTypeDescription,
} from 'n8n-workflow';
import {
mailerliteApiRequest,
mailerliteApiRequestAllItems,
} from './GenericFunctions';
import {
subscriberFields,
subscriberOperations,
} from './SubscriberDescription';
export class MailerLite implements INodeType {
description: INodeTypeDescription = {
displayName: 'MailerLite',
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name: 'mailerLite',
icon: 'file:mailerLite.png',
group: ['input'],
version: 1,
subtitle: '={{$parameter["operation"] + ": " + $parameter["resource"]}}',
description: 'Consume Mailer Lite API',
defaults: {
name: 'MailerLite',
color: '#58be72',
},
inputs: ['main'],
outputs: ['main'],
credentials: [
{
name: 'mailerLiteApi',
required: true,
},
],
properties: [
{
displayName: 'Resource',
name: 'resource',
type: 'options',
options: [
{
name: 'Subscriber',
value: 'subscriber',
},
],
default: 'subscriber',
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description: 'The resource to operate on.',
},
...subscriberOperations,
...subscriberFields,
],
};
methods = {
loadOptions: {
// Get all the available custom fields to display them to user so that he can
// select them easily
async getCustomFields(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
const returnData: INodePropertyOptions[] = [];
const fields = await mailerliteApiRequest.call(this, 'GET', '/fields');
for (const field of fields) {
returnData.push({
name: field.key,
value: field.key,
});
}
return returnData;
},
},
};
async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
const items = this.getInputData();
const returnData: IDataObject[] = [];
const length = (items.length as unknown) as number;
const qs: IDataObject = {};
let responseData;
const resource = this.getNodeParameter('resource', 0) as string;
const operation = this.getNodeParameter('operation', 0) as string;
for (let i = 0; i < length; i++) {
if (resource === 'subscriber') {
//https://developers.mailerlite.com/reference#create-a-subscriber
if (operation === 'create') {
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const email = this.getNodeParameter('email', i) as string;
const additionalFields = this.getNodeParameter('additionalFields', i) as IDataObject;
const body: IDataObject = {
email,
fields: [],
};
Object.assign(body, additionalFields);
if (additionalFields.customFieldsUi) {
const customFieldsValues = (additionalFields.customFieldsUi as IDataObject).customFieldsValues as IDataObject[];
if (customFieldsValues) {
const fields = {};
for (const customFieldValue of customFieldsValues) {
//@ts-ignore
fields[customFieldValue.fieldId] = customFieldValue.value;
}
body.fields = fields;
delete body.customFieldsUi;
}
}
responseData = await mailerliteApiRequest.call(this, 'POST', '/subscribers', body);
}
//https://developers.mailerlite.com/reference#single-subscriber
if (operation === 'get') {
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const subscriberId = this.getNodeParameter('subscriberId', i) as string;
responseData = await mailerliteApiRequest.call(this, 'GET', `/subscribers/${subscriberId}`);
}
//https://developers.mailerlite.com/reference#subscribers
if (operation === 'getAll') {
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const returnAll = this.getNodeParameter('returnAll', i) as boolean;
const filters = this.getNodeParameter('filters', i) as IDataObject;
Object.assign(qs, filters);
if (returnAll) {
responseData = await mailerliteApiRequestAllItems.call(this, 'GET', `/subscribers`, {}, qs);
} else {
qs.limit = this.getNodeParameter('limit', i) as number;
responseData = await mailerliteApiRequest.call(this, 'GET', `/subscribers`, {}, qs);
}
}
//https://developers.mailerlite.com/reference#update-subscriber
if (operation === 'update') {
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const subscriberId = this.getNodeParameter('subscriberId', i) as string;
const updateFields = this.getNodeParameter('updateFields', i) as IDataObject;
const body: IDataObject = {};
Object.assign(body, updateFields);
if (updateFields.customFieldsUi) {
const customFieldsValues = (updateFields.customFieldsUi as IDataObject).customFieldsValues as IDataObject[];
if (customFieldsValues) {
const fields = {};
for (const customFieldValue of customFieldsValues) {
//@ts-ignore
fields[customFieldValue.fieldId] = customFieldValue.value;
}
body.fields = fields;
delete body.customFieldsUi;
}
}
responseData = await mailerliteApiRequest.call(this, 'PUT', `/subscribers/${subscriberId}`, body);
}
}
}
if (Array.isArray(responseData)) {
returnData.push.apply(returnData, responseData as IDataObject[]);
} else if (responseData !== undefined) {
returnData.push(responseData as IDataObject);
}
return [this.helpers.returnJsonArray(returnData)];
}
}