104 lines
14 KiB
JavaScript
104 lines
14 KiB
JavaScript
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import config from "config";
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import Logger from "./Logger";
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export default class Controller {
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static route(route, params = [], absolute = false) {
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let path = this.routes[route];
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if (path === undefined)
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throw new Error(`Unknown route for name ${route}.`);
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if (typeof params === 'string' || typeof params === 'number') {
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path = path.replace(/:[a-zA-Z_-]+\??/, '' + params);
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}
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else if (Array.isArray(params)) {
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let i = 0;
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for (const match of path.matchAll(/:[a-zA-Z_-]+\??/)) {
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if (match.length > 0) {
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path = path.replace(match[0], typeof params[i] !== 'undefined' ? params[i] : '');
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}
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i++;
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}
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path = path.replace(/\/+/, '/');
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}
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else {
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for (const key in params) {
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if (params.hasOwnProperty(key)) {
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path = path.replace(new RegExp(`:${key}\\??`), params[key]);
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}
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}
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}
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return `${absolute ? config.get('public_url') : ''}${path}`;
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}
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getGlobalHandlers() {
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return [];
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}
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hasGlobalHandlers() {
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return this.getGlobalHandlers().length > 0;
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}
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setupGlobalHandlers(router) {
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for (const globalHandler of this.getGlobalHandlers()) {
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router.use(this.wrap(globalHandler));
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}
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}
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getRoutesPrefix() {
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return '/';
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}
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setupRoutes(router) {
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this.router = router;
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this.routes();
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}
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use(handler) {
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var _a;
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(_a = this.router) === null || _a === void 0 ? void 0 : _a.use(this.wrap(handler));
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}
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get(path, handler, routeName, ...middlewares) {
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var _a, _b;
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this.registerRoutes(path, handler, routeName);
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for (const middleware of middlewares) {
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(_a = this.router) === null || _a === void 0 ? void 0 : _a.get(path, this.wrap(middleware));
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}
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(_b = this.router) === null || _b === void 0 ? void 0 : _b.get(path, this.wrap(handler));
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}
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post(path, handler, routeName, ...middlewares) {
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var _a, _b;
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this.registerRoutes(path, handler, routeName);
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for (const middleware of middlewares) {
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(_a = this.router) === null || _a === void 0 ? void 0 : _a.post(path, this.wrap(middleware));
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}
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(_b = this.router) === null || _b === void 0 ? void 0 : _b.post(path, this.wrap(handler));
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}
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wrap(handler) {
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return (req, res, next) => {
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const promise = handler.call(this, req, res, next);
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if (promise instanceof Promise) {
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promise.catch(err => next(err));
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}
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};
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}
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registerRoutes(path, handler, routeName) {
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if (typeof routeName !== 'string') {
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routeName = handler.name
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.replace(/(?:^|\.?)([A-Z])/g, (x, y) => '_' + y.toLowerCase())
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.replace(/(^_|get_|post_)/g, '');
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}
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if (routeName.length === 0)
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return;
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let routePath = null;
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if (path instanceof Array && path.length > 0) {
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path = path[0];
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}
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if (typeof path === 'string') {
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const prefix = this.getRoutesPrefix();
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routePath = (prefix !== '/' ? prefix : '') + path;
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}
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if (!Controller.routes[routeName]) {
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if (typeof routePath === 'string') {
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Logger.info(`Route ${routeName} has path ${routePath}`);
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Controller.routes[routeName] = routePath;
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}
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else {
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Logger.warn(`Cannot assign path to route ${routeName}.`);
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}
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}
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}
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}
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Controller.routes = {};
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