42 lines
5.1 KiB
JavaScript
42 lines
5.1 KiB
JavaScript
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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import ApplicationComponent from "../ApplicationComponent";
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import { ServiceUnavailableHttpError } from "../HttpError";
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export default class MaintenanceComponent extends ApplicationComponent {
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constructor(application, canServe) {
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super();
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this.application = application;
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this.canServe = canServe;
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}
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start(app, router) {
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return __awaiter(this, void 0, void 0, function* () {
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router.use((req, res, next) => {
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if (res.headersSent) {
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return next();
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}
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if (!this.application.isReady()) {
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res.header({ 'Retry-After': 60 });
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res.locals.refresh_after = 5;
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throw new ServiceUnavailableHttpError('Watch My Stream is readying up. Please wait a few seconds...');
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}
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if (!this.canServe()) {
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res.locals.refresh_after = 30;
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throw new ServiceUnavailableHttpError('Watch My Stream is unavailable due to failure of dependent services.');
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}
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next();
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});
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});
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}
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stop() {
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return __awaiter(this, void 0, void 0, function* () {
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});
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}
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}
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