← Hacker News + Telegram Bot integrations

Edit a Media Message with Telegram Bot API on New Stories by Keyword from Hacker News API

Pipedream makes it easy to connect APIs for Telegram Bot, Hacker News and 1400+ other apps remarkably fast.

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New Stories by Keyword from the Hacker News API
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Edit a Media Message with the Telegram Bot API
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Getting Started

This integration creates a workflow with a Hacker News trigger and Telegram Bot action. When you configure and deploy the workflow, it will run on Pipedream's servers 24x7 for free.

  1. Select this integration
  2. Configure the New Stories by Keyword trigger
    1. Connect your Hacker News account
    2. Configure timer
    3. Optional- Configure Keyword
  3. Configure the Edit a Media Message action
    1. Connect your Telegram Bot account
    2. Configure Chat ID
    3. Configure Message ID
    4. Select a Media Type
    5. Optional- Configure Caption
    6. Optional- Configure File Name
    7. Configure Media
    8. Optional- Select a Parse Mode
    9. Optional- Configure Reply Markup
  4. Deploy the workflow
  5. Send a test event to validate your setup
  6. Turn on the trigger

Details

This integration uses pre-built, source-available components from Pipedream's GitHub repo. These components are developed by Pipedream and the community, and verified and maintained by Pipedream.

To contribute an update to an existing component or create a new component, create a PR on GitHub. If you're new to Pipedream component development, you can start with quickstarts for trigger span and action development, and then review the component API reference.

Trigger

Description:Emit new stories that mention a specific keyword
Version:0.0.4
Key:hacker_news-new-stories-by-keyword

Trigger Code

const Parser = require("rss-parser");
const hacker_news = require("../../hacker_news.app.js");
const { DEFAULT_POLLING_SOURCE_TIMER_INTERVAL } = require("@pipedream/platform");

const parser = new Parser();

module.exports = {
  key: "hacker_news-new-stories-by-keyword",
  name: "New Stories by Keyword",
  description: "Emit new stories that mention a specific keyword",
  version: "0.0.4",
  type: "source",
  props: {
    hacker_news,
    timer: {
      type: "$.interface.timer",
      default: {
        intervalSeconds: DEFAULT_POLLING_SOURCE_TIMER_INTERVAL,
      },
    },
    db: "$.service.db",
    // If you want a single search feed but multiple keywords, separate the keywords with " OR ":
    keyword: {
      type: "string",
      label: "Keyword",
      description: "Keyword to watch. Matches story titles. Leave blank to get all stories.",
      optional: true,
      default: "",
    },
  },
  methods: {
    // in theory if alternate setting title and description or aren't unique this won't work
    itemKey(item) {
      return item.guid || item.id || item.title || item.description;
    },
  },
  async run() {
    const seenKeys = this.db.get("seenKeys") || [];
    const seenKeysMap = seenKeys.reduce((acc, v) => {
      acc[v] = true;
      return acc;
    }, {});
    // All elements of an item are optional,
    // however at least one of title or description must be present.
    // should be listed from most recent to least recent
    const feed = await parser.parseURL(`https://hnrss.org/newest?q=${encodeURIComponent(this.keyword)}`);
    for (let idx = feed.items.length - 1; idx >= 0; idx--) {
      const item = feed.items[idx];
      const key = this.itemKey(item);
      // XXX throw if !key?
      if (seenKeysMap[key]) continue;
      seenKeys.unshift(key);
      seenKeysMap[key] = true; // just in case of dupes
      this.$emit(item, {
        id: this.itemKey(item),
        summary: item.title,
        ts: item.pubdate && +new Date(item.pubdate),
      });
    }
    if (seenKeys.length) {
      // XXX restrict by byte size instead of el size
      this.db.set("seenKeys", seenKeys.slice(0, 1000));
    }
  },
};

Trigger Configuration

This component may be configured based on the props defined in the component code. Pipedream automatically prompts for input values in the UI and CLI.
LabelPropTypeDescription
Hacker Newshacker_newsappThis component uses the Hacker News app.
timer$.interface.timer
N/Adb$.service.dbThis component uses $.service.db to maintain state between executions.
Keywordkeywordstring

Keyword to watch. Matches story titles. Leave blank to get all stories.

Trigger Authentication

The Hacker News API does not require authentication.

About Hacker News

Social news website

Action

Description:Edits photo or video messages. [See the docs](https://core.telegram.org/bots/api#editmessagemedia) for more information
Version:0.0.5
Key:telegram_bot_api-edit-media-message

Telegram Bot Overview

With the Telegram Bot API, you can build bots that perform a variety of tasks,
including:

  • Sending and receiving messages
  • Social networking
  • Content management
  • File sharing
  • Location sharing
  • Bot administration
  • And more!

Action Code

import {
  TELEGRAM_BOT_API_MEDIA_PHOTO,
  TELEGRAM_BOT_API_MEDIA_VIDEO,
} from "../../common/constants.mjs";
import telegramBotApi from "../../telegram_bot_api.app.mjs";

export default {
  key: "telegram_bot_api-edit-media-message",
  name: "Edit a Media Message",
  description: "Edits photo or video messages. [See the docs](https://core.telegram.org/bots/api#editmessagemedia) for more information",
  version: "0.0.5",
  type: "action",
  props: {
    telegramBotApi,
    chatId: {
      propDefinition: [
        telegramBotApi,
        "chatId",
      ],
    },
    messageId: {
      propDefinition: [
        telegramBotApi,
        "messageId",
      ],
    },
    type: {
      propDefinition: [
        telegramBotApi,
        "type",
      ],
      options: [
        {
          label: "Photo",
          value: TELEGRAM_BOT_API_MEDIA_PHOTO,
        },
        {
          label: "Video",
          value: TELEGRAM_BOT_API_MEDIA_VIDEO,
        },
      ],
    },
    caption: {
      propDefinition: [
        telegramBotApi,
        "caption",
      ],
    },
    filename: {
      propDefinition: [
        telegramBotApi,
        "filename",
      ],
    },
    media: {
      propDefinition: [
        telegramBotApi,
        "media",
      ],
      label: "Media",
    },
    parse_mode: {
      propDefinition: [
        telegramBotApi,
        "parse_mode",
      ],
    },
    reply_markup: {
      propDefinition: [
        telegramBotApi,
        "reply_markup",
      ],
    },
  },
  async run({ $ }) {
    const resp = await this.telegramBotApi.editMessageMedia({
      type: this.type,
      media: this.media,
      caption: this.caption,
      parse_mode: this.parse_mode,
    }, {
      chatId: this.chatId,
      messageId: this.messageId,
      reply_markup: this.reply_markup,
    });
    $.export("$summary", `Successfully edited the ${this.type || "media"} message in chat, "${this.chatId}"`);
    return resp;
  },
};

Action Configuration

This component may be configured based on the props defined in the component code. Pipedream automatically prompts for input values in the UI.

LabelPropTypeDescription
Telegram BottelegramBotApiappThis component uses the Telegram Bot app.
Chat IDchatIdstring

Enter the unique identifier for the target chat (e.g. 1035597319) or username of the target public chat (in the format @channelusername or @supergroupusername). For example, if the group's public link is t.me/mygroup, the username is @mygroup.

Message IDmessageIdstring

Enter the message ID.

Media TypetypestringSelect a value from the drop down menu:{ "label": "Photo", "value": "photo" }{ "label": "Video", "value": "video" }
Captioncaptionstring

Enter the caption.

File Namefilenamestring

Enter a filename.

Mediamediastring

File to send. Pass a file_id to send a file that exists on the Telegram servers, pass an HTTP URL for Telegram to get a file from the Internet, or pass the path to the file (e.g., /tmp/myFile.ext) to upload a new one using a file downloaded to /tmp. File must meet Telegram's requirements for MIME type and size.

Parse Modeparse_modestringSelect a value from the drop down menu:MarkdownV2HTMLMarkdown
Reply Markupreply_markupstring

Enter additional interface options that are a JSON-serialized object including an inline keyboard, a custom reply keyboard, instructions to remove the reply keyboard or instructions to force a reply from the user, e.g. {"inline_keyboard":[[{"text":"Some button text 2","url":"https://botpress.org"}]]} or {"keyboard":[["Yes","No"],["Maybe"]]}. Note: keyboard cannot be used with channels. See the docs for more information.

Action Authentication

Telegram Bot uses API keys for authentication. When you connect your Telegram Bot account, Pipedream securely stores the keys so you can easily authenticate to Telegram Bot APIs in both code and no-code steps.

To use the Telegram Bot API, you must first create a new bot by chatting with the BotFather.


Telegram Bot how to

After you create your bot, copy the bot token and add it below.

About Telegram Bot

Telegram is a cloud-based instant messaging and voice over IP service

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