added http and telegram api services

src/api/http/index.ts

@@ -0,0 +1,59 @@
+import { HttpConfig } from "./types";
+import { VkService } from "../../service/vk";
+import express, { Express, Request, Response } from "express";
+import bodyParser from "body-parser";
+import loggerHttpMiddleware from "../../service/logger/http";
+import logger from "../../service/logger";
+import { TelegramService } from "../../service/telegram";
+import http from "http";
+
+export class HttpApi {
+  app: Express;
+
+  constructor(
+    private props: HttpConfig,
+    private telegram: TelegramService,
+    private vk: VkService
+  ) {
+    this.app = express();
+    this.app.use(express.json());
+    this.app.use(express.urlencoded({ extended: false }));
+    this.app.use((req, res, next) => {
+      res.header("Access-Control-Allow-Origin", "*");
+      res.header(
+        "Access-Control-Allow-Methods",
+        "GET, PUT, POST, DELETE, PATCH"
+      );
+      res.header(
+        "Access-Control-Allow-Headers",
+        "Origin, X-Requested-With, Content-Type, Accept"
+      );
+      next();
+    });
+    this.app.use(loggerHttpMiddleware);
+
+    this.app.use(bodyParser.json());
+    this.app.use(express.json());
+
+    if (props?.webhook?.enabled && props?.webhook?.url) {
+      logger.info(`using webhook at ${props.webhook.url}`);
+      this.app.post(props.webhook.url, this.handleWebhook);
+    }
+  }
+
+  /**
+   * Starts http server
+   */
+  public async listen() {
+    const httpServer = http.createServer(this.app);
+    httpServer.listen(this.props.port);
+    logger.info(`http api listening at ${this.props.port}`);
+  }
+
+  /**
+   * Handles telegram webhooks
+   */
+  private async handleWebhook(req: Request, res: Response) {
+    return this.telegram.handleUpdate(req.body, res);
+  }
+}