← Hacker News + Twilio integrations

Send MMS with Twilio API on New Comments by Keyword from Hacker News API

Pipedream makes it easy to connect APIs for Twilio, Hacker News and 1,600+ other apps remarkably fast.

Trigger workflow on
New Comments by Keyword from the Hacker News API
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Send MMS with the Twilio API
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Getting Started

This integration creates a workflow with a Hacker News trigger and Twilio 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 Comments by Keyword trigger
    1. Connect your Hacker News account
    2. Configure timer
    3. Optional- Configure Keyword
  3. Configure the Send MMS action
    1. Connect your Twilio account
    2. Select a From
    3. Configure To
    4. Configure Message Body
    5. Optional- Configure Media 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, 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 comments that mention a specific keyword
Version:0.0.4
Key:hacker_news-new-comments-by-keyword

Trigger Code

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

const parser = new Parser();

module.exports = {
  key: "hacker_news-new-comments-by-keyword",
  name: "New Comments by Keyword",
  description: "Emit new comments that mention a specific keyword",
  app: "hacker_news",
  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 comments. Leave blank to get all comments.",
      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/newcomments?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 comments. Leave blank to get all comments.

Trigger Authentication

The Hacker News API does not require authentication.

About Hacker News

Social news website

Action

Description:Send an SMS with text and media files. [See the docs](https://www.twilio.com/docs/sms/api/message-resource#create-a-message-resource) for more information
Version:0.1.3
Key:twilio-send-mms

Twilio Overview

With the Twilio API, you can build telephone applications that make and receive
phone calls, as well astext messaging applications that send and receive text
messages.

Some examples of applications you could build include:

  • A phone call application that allows you to make and receive phone calls over
    the internet
  • A text messaging application that allows you to send and receive text
    messages over the internet
  • A voicemail application that allows you to leave and receive voicemails over
    the internet

Action Code

import { phone } from "phone";
import twilio from "../../twilio.app.mjs";
import { messageToString } from "../../common/utils.mjs";

export default {
  key: "twilio-send-mms",
  name: "Send MMS",
  description: "Send an SMS with text and media files. [See the docs](https://www.twilio.com/docs/sms/api/message-resource#create-a-message-resource) for more information",
  type: "action",
  version: "0.1.3",
  props: {
    twilio,
    from: {
      propDefinition: [
        twilio,
        "from",
      ],
    },
    to: {
      propDefinition: [
        twilio,
        "to",
      ],
    },
    body: {
      propDefinition: [
        twilio,
        "body",
      ],
    },
    mediaUrl: {
      propDefinition: [
        twilio,
        "mediaUrl",
      ],
    },
  },
  async run({ $ }) {
    // Parse the given number into its E.164 equivalent
    // The E.164 phone number will be included in the first element
    // of the array, but the array will be empty if parsing fails.
    // See https://www.npmjs.com/package/phone
    const toParsed = phone(this.to);
    if (!toParsed || !toParsed.phoneNumber) {
      throw new Error(`Phone number ${this.to} could not be parsed as a valid number.`);
    }

    const fromParsed = phone(this.from);
    if (!fromParsed || !fromParsed.phoneNumber) {
      throw new Error(`Phone number ${this.from} could not be parsed as a valid number.`);
    }

    const data = {
      to: toParsed.phoneNumber,
      from: fromParsed.phoneNumber,
      body: this.body,
      mediaUrl: this.mediaUrl,
    };

    const resp = await this.twilio.getClient().messages.create(data);
    $.export("$summary", `Successfully sent a new MMS, "${messageToString(resp)}"`);
    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
TwiliotwilioappThis component uses the Twilio app.
FromfromstringSelect a value from the drop down menu.
Totostring

The destination phone number in E.164 format. Format with a + and country code (e.g., +16175551212).

Message Bodybodystring

The text of the message you want to send, limited to 1600 characters.

Media URLmediaUrlstring[]

The URL of the media you wish to send out with the message. The media size limit is 5MB. You may provide up to 10 media URLs per message.

Action Authentication

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

To connect your Twilio account to Pipedream,

First, create an API key in Twilio.

  • There are two types of keys: Master and Standard. You'll need a Master key to interact with certain API endpoints, like /Accounts.
  • If you don't need to interact with those endpoints, you can use a Standard key.

After creating your key, you'll see fields for Sid and Secret. Enter those in the fields below.

About Twilio

Cloud communications platform for building SMS, Voice & Messaging applications on an API built for global scale

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