← Hacker News + Twilio integrations

Make a Phone Call with Twilio API on New Comments by Keyword from Hacker News API

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New Comments by Keyword from the Hacker News API
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Make a Phone Call 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 Make a Phone Call action
    1. Connect your Twilio account
    2. Select a From
    3. Configure To
    4. Configure Text
  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 comments that mention a specific keyword
Version:0.0.3
Key:hacker_news-new-comments-by-keyword

Trigger Code

const Parser = require("rss-parser")
const parser = new Parser()

const hacker_news = require('../../hacker_news.app.js')

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: "0.0.3",
  props: {
    hacker_news,
    timer: {
      type: "$.interface.timer",
      default: {
        intervalSeconds: 15,
      },
    },
    db: "$.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 component invocations.
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:Make a phone call, passing text that Twilio will speak to the recipient of the call. [See the docs](https://www.twilio.com/docs/voice/api/call-resource#create-a-call-resource) for more information
Version:0.0.7
Key:twilio-make-phone-call

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

// Read the Twilio docs at https://www.twilio.com/docs/sms/api/message-resource#create-a-message-resource
import twilio from "../../twilio.app.mjs";
import { phone } from "phone";

export default {
  key: "twilio-make-phone-call",
  name: "Make a Phone Call",
  description: "Make a phone call, passing text that Twilio will speak to the recipient of the call. [See the docs](https://www.twilio.com/docs/voice/api/call-resource#create-a-call-resource) for more information",
  version: "0.0.7",
  type: "action",
  props: {
    twilio,
    from: {
      propDefinition: [
        twilio,
        "from",
      ],
    },
    to: {
      propDefinition: [
        twilio,
        "to",
      ],
    },
    text: {
      label: "Text",
      type: "string",
      description: "The text you'd like Twilio to speak to the user when they pick up the phone.",
    },
  },
  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);
    console.log(toParsed);
    if (!toParsed || !toParsed.phoneNumber) {
      throw new Error(`Phone number ${this.to} couldn't be parsed as a valid number.`);
    }

    const data = {
      to: toParsed.phoneNumber,
      from: this.from,
      twiml: `<Response><Say>${this.text}</Say></Response>`,
    };

    const resp = await this.twilio.getClient().calls.create(data);
    $.export("$summary", `Successfully made a new phone call, "${this.twilio.callToString(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).

Texttextstring

The text you'd like Twilio to speak to the user when they pick up the phone.

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.

  1. 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.

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

  3. Visit your Twilio Dashboard. You'll see your Account SID listed near the top. Enter that in the AccountSid field below.

About Twilio

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

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