115 lines
2.8 KiB
JavaScript
115 lines
2.8 KiB
JavaScript
// @flow
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import _ from 'lodash';
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import invariant from 'invariant';
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import stores from 'stores';
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type Options = {
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baseUrl?: string,
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};
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class ApiClient {
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baseUrl: string;
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userAgent: string;
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constructor(options: Options = {}) {
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this.baseUrl = options.baseUrl || '/api';
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this.userAgent = 'OutlineFrontend';
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}
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fetch = (
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path: string,
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method: string,
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data: ?Object,
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options: Object = {}
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) => {
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let body;
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let modifiedPath;
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if (method === 'GET') {
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if (data) {
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modifiedPath = `${path}?${data && this.constructQueryString(data)}`;
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} else {
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modifiedPath = path;
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}
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} else if (method === 'POST' || method === 'PUT') {
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body = data ? JSON.stringify(data) : undefined;
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}
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// Construct headers
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const headers = new Headers({
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Accept: 'application/json',
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'Content-Type': 'application/json',
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});
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if (stores.auth.authenticated) {
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invariant(stores.auth.token, 'JWT token not set properly');
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headers.set('Authorization', `Bearer ${stores.auth.token}`);
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}
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// Construct request
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// $FlowFixMe don't care much about this right now
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const request = fetch(this.baseUrl + (modifiedPath || path), {
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method,
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body,
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headers,
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redirect: 'follow',
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credentials: 'include',
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});
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// Handle request promises and return a new promise
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return new Promise((resolve, reject) => {
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request
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.then(response => {
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// Handle successful responses
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if (response.status >= 200 && response.status < 300) {
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return response;
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}
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// Handle 401, log out user
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if (response.status === 401) {
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stores.auth.logout();
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window.location = '/';
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return;
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}
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// Handle failed responses
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const error = {};
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error.statusCode = response.status;
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error.response = response;
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throw error;
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})
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.then(response => {
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return response && response.json();
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})
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.then(json => {
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resolve(json);
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})
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.catch(error => {
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error.response.json().then(json => {
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error.data = json;
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reject(error);
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});
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});
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});
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};
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get = (path: string, data: ?Object, options?: Object) => {
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return this.fetch(path, 'GET', data, options);
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};
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post = (path: string, data: ?Object, options?: Object) => {
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return this.fetch(path, 'POST', data, options);
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};
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// Helpers
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constructQueryString = (data: Object) => {
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return _.map(data, (v, k) => {
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return `${encodeURIComponent(k)}=${encodeURIComponent(v)}`;
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}).join('&');
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};
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}
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export default ApiClient;
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// In case you don't want to always initiate, just import with `import { client } ...`
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export const client = new ApiClient();
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