12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576
import { oauth } from "../deps.ts";
abstract class Platform {  abstract post(): Promise<string | undefined>;}
class Twitter implements Platform {  api_key: string;  api_key_secret: string;  user_key: string;  user_key_secret: string;  constructor() {    this.api_key = Deno.env.get("API_KEY") || "";    this.api_key_secret = Deno.env.get("API_KEY_SECRET") || "";    this.user_key = Deno.env.get("ACCESS_TOKEN") || "";    this.user_key_secret = Deno.env.get("ACCESS_TOKEN_SECRET") || "";  }  async post(): Promise<string | undefined> {    const api = new oauth.Api({      prefix: "https://api.twitter.com/2",      consumer: { key: this.api_key, secret: this.api_key_secret },      signature: oauth.HMAC_SHA1,    });
    const response = await api.request("POST", "/tweets", {      token: { key: this.user_key, secret: this.user_key_secret },      json: { text: "test" },      hashBody: true,    });
    if (response.ok) {      const result = await response.json();      const id = result["data"]["id"];      return id;    }  }}
class Telegram implements Platform {  channel: string;  bot_api_key: string;  base_url = "https://api.telegram.org/";  constructor() {    this.channel = Deno.env.get("TELEGRAM_CHANNEL_ID") || "";    this.bot_api_key = Deno.env.get("TELEGRAM_BOT_API_KEY") || "";  }  async post(): Promise<string | undefined> {    const bot_api_key = this.bot_api_key;    const botURl = `bot${bot_api_key}/`;    const endpointUrl = `${this.base_url}${botURl}sendMessage`;    const message = "prueba";    const channel = this.channel;    const finalUrl = `${endpointUrl}?chat_id=${channel}&text=${message}`;
    const response = await fetch(finalUrl);    if (response.ok) {      const result = await response.json();      const id = result["result"]["message_id"];      return id;    }  }}
export class PlatformFactory {  static getPlatform(platform: string): Platform {    switch (platform) {      case "twitter":        return new Twitter();      case "telegram":        return new Telegram();      default:        throw `Not defined platform ${platform}`;    }  }}