org.crazydoctor.expressts/dist/server/Server.js

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Server = void 0;
const express_1 = __importDefault(require("express"));
const http_1 = require("../base/http");
const exceptions_1 = require("../base/exceptions");
const exceptions_2 = require("../base/exceptions");
const logger_1 = require("../base/logger");
const i18n_1 = require("../base/i18n");
const path_1 = __importDefault(require("path"));
const fs_1 = __importDefault(require("fs"));
const http_2 = __importDefault(require("http"));
const ws_1 = require("ws");
const exceptions_3 = require("../base/exceptions");
const exceptions_4 = require("../base/exceptions");
const exceptions_5 = require("../base/exceptions");
const websocket_1 = require("../base/websocket");
/** @sealed */
class Server {
    constructor(properties) {
        this.instance = (0, express_1.default)();
        this.httpServer = http_2.default.createServer(this.instance);
        this.port = properties.port;
        this.i18n = i18n_1.i18nLoader.getInstance();
        if (properties.locale)
            this.i18n.setLocale(properties.locale);
        this.logger = new logger_1.Logger();
        this.httpHandlers = {};
        this.wsHandlers = properties.wsHandlers || {};
        this.wsServers = {};
        this.i18nPath = properties.i18nPath;
        this.middlewaresPath = properties.middlewaresPath;
        this.routesPath = properties.routesPath;
        this.viewEngine = properties.viewEngine;
        this.viewsPath = properties.viewsPath;
        this.options = properties.options;
        this.initialized = false;
    }
    init() {
        return __awaiter(this, void 0, void 0, function* () {
            if (this.viewEngine)
                this.instance.set('view engine', this.viewEngine);
            if (this.viewsPath)
                this.instance.set('views', this.viewsPath);
            this.i18n.load(path_1.default.resolve(__dirname, Server.i18nDefaultPath));
            yield this.registerMiddlewares(path_1.default.resolve(__dirname, Server.defaultMiddlewaresPath));
            yield this.registerRoutes(path_1.default.resolve(__dirname, Server.defaultRoutesPath));
            yield this.postInit();
            this.initialized = true;
            return this;
        });
    }
    postInit() {
        return __awaiter(this, void 0, void 0, function* () {
            if (this.i18nPath)
                this.i18n.load(this.i18nPath);
            if (this.middlewaresPath)
                yield this.registerMiddlewares(this.middlewaresPath);
            if (this.routesPath)
                yield this.registerRoutes(this.routesPath);
            if (Object.keys(this.wsHandlers).length > 0) {
                this.registerWsServers();
                this.applyWsHandlers();
            }
        });
    }
    processHttpHandlers() {
        const handlers = [];
        for (const key in this.httpHandlers)
            handlers.push(this.httpHandlers[key]);
        handlers.sort((a, b) => a.getOrder() - b.getOrder());
        for (const handler of handlers) {
            if (handler instanceof http_1.Middleware)
                this.addMiddleware(handler);
            else if (handler instanceof http_1.Route)
                this.addRoute(handler);
        }
    }
    addMiddleware(middleware) {
        if (middleware.getRoute() != null)
            this.instance.use(middleware.getRoute(), middleware.getAction());
        else
            this.instance.use(middleware.getAction());
        return this;
    }
    addRoute(route) {
        if (route.getRoute() == null)
            throw new exceptions_1.RouteNotSetException();
        switch (route.getMethod()) {
            case http_1.HttpMethod.GET:
                return this.get(route);
            case http_1.HttpMethod.POST:
                return this.post(route);
            default:
                throw new exceptions_2.IncorrectMethodException();
        }
    }
    registerWsServers() {
        for (const url of Object.keys(this.wsHandlers)) {
            const wsServer = this.wsServers[url] = new ws_1.Server({ noServer: true });
            const wsHandler = this.wsHandlers[url];
            wsServer.on(websocket_1.WebSocketHandler.Event.CONNECTION, (ws) => {
                wsHandler.onConnect(ws);
                ws.on(websocket_1.WebSocketHandler.Event.MESSAGE, wsHandler.onMessage);
                ws.on(websocket_1.WebSocketHandler.Event.ERROR, wsHandler.onError);
                ws.on(websocket_1.WebSocketHandler.Event.CLOSE, wsHandler.onClose);
            });
        }
        return this;
    }
    applyWsHandlers() {
        this.httpServer.on('upgrade', (request, socket, head) => {
            var _a;
            const url = (_a = request.url) === null || _a === void 0 ? void 0 : _a.split('?')[0];
            if (url && this.wsHandlers[url] && this.wsServers[url]) {
                const wsServer = this.wsServers[url];
                wsServer.handleUpgrade(request, socket, head, (ws) => {
                    wsServer.emit(websocket_1.WebSocketHandler.Event.CONNECTION, ws, request);
                });
            }
            else {
                socket.destroy();
            }
        });
        return this;
    }
    getWsConnections(url) {
        const wsServer = this.wsServers[url];
        return wsServer ? wsServer.clients : null;
    }
    logInfo(message) {
        this.logger.getLogger().info(message);
    }
    logError(message) {
        this.logger.getLogger().error(message);
    }
    logWarn(message) {
        this.logger.getLogger().warn(message);
    }
    log(message) {
        switch (message.type) {
            case logger_1.MessageTypes.WARNING:
                return this.logWarn(message.text);
            case logger_1.MessageTypes.ERROR:
                return this.logError(message.text);
            default:
                return this.logInfo(message.text);
        }
    }
    get(route) {
        this.instance.get(route.getRoute(), route.getAction());
        return this;
    }
    post(route) {
        this.instance.post(route.getRoute(), route.getAction());
        return this;
    }
    registerRoutes(dir) {
        return __awaiter(this, void 0, void 0, function* () {
            const files = fs_1.default.readdirSync(dir);
            for (const file of files) {
                if (/\.js$/.test(file)) {
                    const { default: RouteClass } = yield Promise.resolve(`${path_1.default.join(dir, file)}`).then(s => __importStar(require(s)));
                    if (RouteClass.prototype instanceof http_1.Route) {
                        this.httpHandlers[RouteClass.name] = new RouteClass(this);
                    }
                    else
                        throw new exceptions_4.InvalidRouteException(file);
                }
            }
            return this;
        });
    }
    registerMiddlewares(dir) {
        return __awaiter(this, void 0, void 0, function* () {
            const files = fs_1.default.readdirSync(dir);
            for (const file of files) {
                if (/\.js$/.test(file)) {
                    const { default: MiddlewareClass } = yield Promise.resolve(`${path_1.default.join(dir, file)}`).then(s => __importStar(require(s)));
                    if (MiddlewareClass.prototype instanceof http_1.Middleware) {
                        this.httpHandlers[MiddlewareClass.name] = new MiddlewareClass(this);
                    }
                    else
                        throw new exceptions_3.InvalidMiddlewareException(file);
                }
            }
            return this;
        });
    }
    getLogger() {
        return this.logger;
    }
    i18nLoad(path) {
        this.i18n.load(path);
        return this;
    }
    getOption(key) {
        return this.options ? this.options[key] || null : null;
    }
    start(callback) {
        if (!this.initialized)
            throw new exceptions_5.ServerNotInitializedException();
        this.processHttpHandlers();
        const cb = () => {
            this.logInfo((0, i18n_1.$$)('org.crazydoctor.expressts.start', { 'port': this.port }));
            if (callback)
                callback();
        };
        this.httpServer.listen(this.port, cb);
    }
}
exports.Server = Server;
Server.i18nDefaultPath = '../resources/i18n.json';
Server.defaultMiddlewaresPath = '../middlewares';
Server.defaultRoutesPath = '../routes';
//# sourceMappingURL=Server.js.map