patternplate-client/source/application/actions/load-pattern-data.js

Universal javascript client application for patternplate

import {merge} from 'lodash';
import {createPromiseThunkAction} from './promise-thunk-action';
import fetch from '../utils/fetch';
import urlQuery from '../utils/url-query';

async function getError(response, payload) {
	try {
		const json = await response.json();
		const error = new Error(json.message);
		error.payload = payload;
		return merge(error, json);
	} catch (error) {
		error.message = [
			`Request for ${response.uri} failed with code ${response.status}: ${response.statusText}`,
			error.message
		].join('\n');
		error.payload = payload;
		return error;
	}
}

export default createPromiseThunkAction('LOAD_PATTERN_DATA', async payload => {
	const {id, query, options: {base}} = payload;
	const uri = urlQuery.format({
		pathname: `${base}api/pattern/${id}.json`, query
	});

	const response = await fetch(uri);

	if (response.status >= 400) {
		throw await getError(response, payload);
	}

	return response.json();
});