ca95edf295
* feat: compact theme * fix: theme * fix: styling * fix: margin * feat: improve * fix: remove console.log * test: enable plugin test * refactor: multi app * test: lazy load sync plugin * test: lazy load test * fix: beforeGetApplication Event * feat: loadFromDatabase options in traverseSubApps * fix: test * fix: multi app manager test * chore: test * test: should upgrade sub apps when main app upgrade * feat: plugin require check * chore: yarn.lock * fix: sql typo * feat: share collections * fix: record name * test: belongs to many repository * fix: belongs to many with targetKey alias * fix: extend collection error * fix: transaction error * feat: collection graph * fix: update options in collection * chore: collections graph * chore: export uitls * feat: connected nodes method in collections graph * feat: exclude params in connected nodes * chore: sub app collection list params * fix: collections graph * feat: syncToApps migration * fix: translation --------- Co-authored-by: chenos <chenlinxh@gmail.com>
100 lines
2.7 KiB
TypeScript
100 lines
2.7 KiB
TypeScript
import http, { IncomingMessage, ServerResponse } from 'http';
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import Application from './application';
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type AppSelectorReturn = Application | string | undefined | null;
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type AppSelector = (req: IncomingMessage) => AppSelectorReturn | Promise<AppSelectorReturn>;
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export class AppManager {
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public applications: Map<string, Application> = new Map<string, Application>();
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public app: Application;
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constructor(app: Application) {
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this.bindMainApplication(app);
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}
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bindMainApplication(mainApp: Application) {
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this.app = mainApp;
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const passEventToSubApps = (eventName, method) => {
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mainApp.on(eventName, async (mainApp, options) => {
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console.log(`receive event ${eventName} from ${mainApp.name}`);
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for (const application of this.applications.values()) {
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console.log(`pass ${eventName} to ${application.name} `);
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await application[method](options);
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}
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});
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};
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passEventToSubApps('beforeDestroy', 'destroy');
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passEventToSubApps('beforeStop', 'stop');
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}
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appSelector: AppSelector = async (req: IncomingMessage) => this.app;
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addSubApp(application): Application {
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this.applications.set(application.name, application);
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this.app.emit('afterSubAppAdded', application);
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return application;
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}
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async removeApplication(name: string) {
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const application = this.applications.get(name);
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if (!application) {
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return;
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}
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await application.destroy();
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console.log(`remove application ${name}`);
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this.applications.delete(name);
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}
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setAppSelector(selector: AppSelector) {
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this.appSelector = selector;
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}
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listen(...args) {
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const server = http.createServer(this.callback());
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return server.listen(...args);
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}
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async getApplication(appName: string, options = {}): Promise<null | Application> {
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await this.app.emitAsync('beforeGetApplication', {
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appManager: this,
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name: appName,
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options,
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});
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return this.applications.get(appName);
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}
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callback() {
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return async (req: IncomingMessage, res: ServerResponse) => {
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const appManager = this.app.appManager;
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let handleApp: any = (await appManager.appSelector(req)) || appManager.app;
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if (typeof handleApp === 'string') {
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handleApp = await appManager.getApplication(handleApp);
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if (!handleApp) {
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res.statusCode = 404;
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return res.end(
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JSON.stringify({
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redirectTo: process.env.APP_NOT_FOUND_REDIRECT_TO,
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errors: [
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{
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message: 'Application Not Found',
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},
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],
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}),
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);
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}
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if (handleApp.stopped) await handleApp.start();
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}
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handleApp.callback()(req, res);
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};
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}
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}
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