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

import {
	OptionsWithUri,
} from 'request';

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

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

export async function ouraApiRequest(
	this: IHookFunctions | IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions,
	method: string,
	resource: string,
	body: IDataObject = {},
	qs: IDataObject = {},
	uri?: string,
	option: IDataObject = {},
) {

	const credentials = this.getCredentials('ouraApi');
	if (credentials === undefined) {
		throw new Error('No credentials got returned!');
	}
	let options: OptionsWithUri = {
		headers: {
			Authorization: `Bearer ${credentials.accessToken}`,
		},
		method,
		qs,
		body,
		uri: uri || `https://api.ouraring.com/v1${resource}`,
		json: true,
	};

	if (!Object.keys(body).length) {
		delete options.body;
	}

	if (!Object.keys(qs).length) {
		delete options.qs;
	}

	options = Object.assign({}, options, option);

	try {
		return await this.helpers.request!(options);
	} catch (error) {

		const errorMessage = error?.response?.body?.message;

		if (errorMessage) {
			throw new Error(`Oura error response [${error.statusCode}]: ${errorMessage}`);
		}

		throw error;
	}
}