← Telegram Bot + Browserless integrations

Take a Screenshot with Browserless API on New Channel Updates (Instant) from Telegram Bot API

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New Channel Updates (Instant) from the Telegram Bot API
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Take a Screenshot with the Browserless API
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Getting Started

This integration creates a workflow with a Telegram Bot trigger and Browserless 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 Channel Updates (Instant) trigger
    1. Connect your Telegram Bot account
  3. Configure the Take a Screenshot action
    1. Connect your Browserless account
    2. Configure URL
  4. Deploy the workflow
  5. Send a test event to validate your setup
  6. Turn on the trigger

Details

This integration uses pre-built, open source 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 event each time a channel post is created or updated.
Version:0.1.3
Key:telegram_bot_api-channel-updates

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!

Trigger Code

import base from "../common/webhooks.mjs";

export default {
  ...base,
  key: "telegram_bot_api-channel-updates",
  name: "New Channel Updates (Instant)",
  description: "Emit new event each time a channel post is created or updated.",
  version: "0.1.3",
  type: "source",
  dedupe: "unique",
  methods: {
    ...base.methods,
    getEventTypes() {
      return [
        "channel_post",
        "edited_channel_post",
      ];
    },
    getMeta(event, channelPost) {
      return {
        id: event.update_id,
        summary: `${channelPost.chat.title} - ${channelPost.text}`,
        ts: new Date(channelPost.edit_date ?? channelPost.date),
      };
    },
    processEvent(event) {
      const channelPost = event.edited_channel_post ?? event.channel_post;

      if (!channelPost?.chat) {
        throw new Error(`Expected event to contain a chat, but received: ${JSON.stringify(event)}`);
      }

      this.$emit(event, this.getMeta(event, channelPost));
    },
  },
};

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
Telegram BottelegramBotApiappThis component uses the Telegram Bot app.
N/Adb$.service.dbThis component uses $.service.db to maintain state between component invocations.
N/Ahttp$.interface.httpThis component uses $.interface.http to generate a unique URL when the component is first instantiated. Each request to the URL will trigger the run() method of the component.

Trigger 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

Action

Description:
Version:0.5.1
Key:browserless-take-screenshot

Browserless Overview

Browserless allows you to build websites and applications that can be used
without a web browser. This means that you can create apps that can be used
offline, or that can be used on devices that don't have a web browser
installed.

Some examples of things that you can build using Browserless are:

  • A website that can be used without a web browser
  • An app that can be used offline
  • A app that can be used on devices that don't have a web browser installed

Action Code

// legacy_hash_id: a_oViVKv
import puppeteer from "puppeteer-core";

export default {
  key: "browserless-take-screenshot",
  name: "Take a Screenshot",
  version: "0.5.1",
  type: "action",
  props: {
    browserless: {
      type: "app",
      app: "browserless",
    },
    url: {
      type: "string",
      label: "URL",
      description: "Enter the URL you'd like to take a screenshot of here",
    },
  },
  async run({ $ }) {
    const browser = await puppeteer.connect({
      browserWSEndpoint: `wss://chrome.browserless.io?token=${this.browserless.$auth.api_key}`,
    });
    const page = await browser.newPage();

    const { url } = this;
    await page.goto(url);
    const screenshot = await page.screenshot();

    // export the base64-encoded screenshot for use in future steps,
    // along with the image type and filename
    $.export("screenshot", Buffer.from(screenshot, "binary").toString("base64"));
    $.export("type", "png");
    $.export(
      "filename",
      `${url.replace(/[&\/\\#, +()$~%.'":*?<>{}]/g, "_")}-${+new Date()}.${this.type}`,
    );

    await browser.close();
  },
};

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
BrowserlessbrowserlessappThis component uses the Browserless app.
URLurlstring

Enter the URL you'd like to take a screenshot of here

Action Authentication

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

Sign-up for a browserless account, it will create a unique token that allows service interaction.

About Browserless

Powerful browser automation built for developers

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