n8n/packages/nodes-base/nodes/ConvertKit/GenericFunctions.ts

import {
	OptionsWithUri
} from 'request';

import {
	IExecuteFunctions,
	ILoadOptionsFunctions,
	IExecuteSingleFunctions,
} from 'n8n-core';

import {
	IDataObject,
	IHookFunctions
} from 'n8n-workflow';

export async function convertKitApiRequest(this: IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions | IHookFunctions,
	method: string, endpoint: string, body: any = {}, qs: IDataObject = {}, uri?: string, option: IDataObject = {}): Promise<any> { // tslint:disable-line:no-any
	const credentials = this.getCredentials('convertKitApi');
	if (credentials === undefined) {
		throw new Error('No credentials got returned!');
	}

	let options: OptionsWithUri = {
		headers: {
			'Content-Type': 'application/json',
		},
		method,
		qs,
		body,
		uri: uri ||`https://api.convertkit.com/v3${endpoint}`,
		json: true,
	};
	options = Object.assign({}, options, option);
	if (Object.keys(options.body).length === 0) {
		delete options.body;
	}
	try {
		qs.api_secret = credentials.apiSecret;

		return await this.helpers.request!(options);
	} catch (error) {
		throw new Error(`ConvertKit error response: ${error.message}`);
	}
}