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

import { OptionsWithUri } from 'request';
import {
	IExecuteFunctions,
	IExecuteSingleFunctions,
	IHookFunctions,
	ILoadOptionsFunctions,
	IWebhookFunctions,
} from 'n8n-core';
import { IDataObject } from 'n8n-workflow';

export async function acuitySchedulingApiRequest(this: IHookFunctions | IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions | IWebhookFunctions, method: string, resource: string, body: any = {}, qs: IDataObject = {}, uri?: string, option: IDataObject = {}): Promise<any> { // tslint:disable-line:no-any
	const authenticationMethod = this.getNodeParameter('authentication', 0);

	const options: OptionsWithUri = {
		headers: {
			'Content-Type': 'application/json',
		},
		auth: {},
		method,
		qs,
		body,
		uri: uri ||`https://acuityscheduling.com/api/v1${resource}`,
		json: true
	};

	try {
		if (authenticationMethod === 'accessToken') {
			const credentials = this.getCredentials('acuitySchedulingApi');
			if (credentials === undefined) {
				throw new Error('No credentials got returned!');
			}

			options.auth = {
				user: credentials.userId as string,
				password: credentials.apiKey as string,
			};

			return await this.helpers.request!(options);
		} else {
			delete options.auth;
			//@ts-ignore
			return await this.helpers.requestOAuth2!.call(this, 'acuitySchedulingOAuth2Api', options, true);
		}
	} catch (error) {
		throw new Error('Acuity Scheduling Error: ' + error.message);
	}
}