← Stack Exchange + Discord Webhook integrations

Send Message (Advanced) with Discord Webhook API on New Answers for Specific Questions from Stack Exchange API

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New Answers for Specific Questions from the Stack Exchange API
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Send Message (Advanced) with the Discord Webhook API
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Getting Started

This integration creates a workflow with a Stack Exchange trigger and Discord Webhook 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 Answers for Specific Questions trigger
    1. Connect your Stack Exchange account
    2. Select a Site
    3. Select one or more Questions
    4. Configure timer
  3. Configure the Send Message (Advanced) action
    1. Connect your Discord Webhook account
    2. Optional- Configure Message
    3. Optional- Configure Thread ID
    4. Optional- Configure Username
    5. Optional- Configure Avatar URL
    6. Optional- Configure Include link to workflow
    7. Optional- Configure Embeds
  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:Emits an event when a new answer is posted in one of the specified questions
Version:0.0.1
Key:stack_exchange-new-answers-for-questions

Trigger Code

const stack_exchange = require('../../stack_exchange.app');

module.exports = {
  key: "stack_exchange-new-answers-for-questions",
  name: "New Answers for Specific Questions",
  description: "Emits an event when a new answer is posted in one of the specified questions",
  version: "0.0.1",
  dedupe: "unique",
  props: {
    stack_exchange,
    db: "$.service.db",
    siteId: { propDefinition: [stack_exchange, "siteId"] },
    questionIds: {
      propDefinition: [
        stack_exchange,
        "questionIds",
        c => ({ siteId: c.siteId }),
      ],
    },
    timer: {
      type: '$.interface.timer',
      default: {
        intervalSeconds: 60 * 15, // 15 minutes
      },
    },
  },
  hooks: {
    async activate() {
      const fromDate = this._getCurrentEpoch();
      this.db.set("fromDate", fromDate);
    },
  },
  methods: {
    _getCurrentEpoch() {
      // The StackExchange API works with Unix epochs in seconds.
      return Math.floor(Date.now() / 1000);
    },
    generateMeta(data) {
      const {
        answer_id: id,
        question_id: questionId,
        creation_date: ts,
      } = data;
      const summary = `New answer for question ID ${questionId}`;
      return {
        id,
        summary,
        ts,
      };
    },
  },
  async run() {
    const fromDate = this.db.get("fromDate");
    const toDate = this._getCurrentEpoch();
    const filter = '!SWKA(ozr4ec2cHE9JK'; // See https://api.stackexchange.com/docs/filters
    const searchParams = {
      fromDate,
      toDate,
      filter,
      sort: 'creation',
      order: 'asc',
      site: this.siteId,
    }

    const items = this.stack_exchange.answersForQuestions(this.questionIds, searchParams);
    for await (const item of items) {
      const meta = this.generateMeta(item);
      this.$emit(item, meta);
    }

    this.db.set("fromDate", toDate);
  },
};

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
Stack Exchangestack_exchangeappThis component uses the Stack Exchange app.
N/Adb$.service.dbThis component uses $.service.db to maintain state between component invocations.
SitesiteIdstringSelect a value from the drop down menu.
QuestionsquestionIdsstring[]Select a value from the drop down menu.
timer$.interface.timer

Trigger Authentication

Stack Exchange uses OAuth authentication. When you connect your Stack Exchange account, Pipedream will open a popup window where you can sign into Stack Exchange and grant Pipedream permission to connect to your account. Pipedream securely stores and automatically refreshes the OAuth tokens so you can easily authenticate any Stack Exchange API.

Pipedream requests the following authorization scopes when you connect your account:

read_inboxno_expirywrite_accessprivate_info

About Stack Exchange

Community-powered Q&A sites

Action

Description:Send a simple or structured message (using embeds) to a Discord channel
Version:0.3.1
Key:discord_webhook-send-message-advanced

Discord Webhook Overview

With Discord's Webhook API, you can create applications that send messages to
Discord channels automatically. For example, you could create a bot that sends
a message to a channel every time a new blog post is published, or a message to
a channel when someone joins your Discord server.

Here are some ideas for what you could build using the Discord Webhook API:

  • A bot that sends a message to a channel when a new blog post is published
  • A bot that sends a message to a channel when someone joins your Discord
    server
  • A bot that sends a message to a channel when a new product is added to your
    online store

Action Code

import common from "../send-message-common.mjs";

export default {
  ...common,
  key: "discord_webhook-send-message-advanced",
  name: "Send Message (Advanced)",
  description: "Send a simple or structured message (using embeds) to a Discord channel",
  version: "0.3.1",
  type: "action",
  props: {
    ...common.props,
    message: {
      propDefinition: [
        common.props.discordWebhook,
        "message",
      ],
      optional: true,
    },
    embeds: {
      propDefinition: [
        common.props.discordWebhook,
        "embeds",
      ],
    },
  },
  async run({ $ }) {
    const {
      message,
      avatarURL,
      threadID,
      username,
      includeSentViaPipedream,
      embeds,
    } = this;

    if (!message && !embeds) {
      throw new Error("This action requires at least 1 message OR embeds object. Please enter one or the other above.");
    }

    try {
      // No interesting data is returned from Discord
      await this.discordWebhook.sendMessage({
        avatarURL,
        threadID,
        username,
        embeds,
        content: includeSentViaPipedream
          ? this.appendPipedreamText(message ?? "")
          : message,
      });
      $.export("$summary", "Message sent successfully");
    } catch (err) {
      const unsentMessage = this.getUserInputProps();
      $.export("unsent", unsentMessage);
      throw err;
    }
  },
};

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
Discord WebhookdiscordWebhookappThis component uses the Discord Webhook app.
Messagemessagestring

Enter a simple message up to 2000 characters. This is the most commonly used field. However, it's optional if you pass embed content.

Thread IDthreadIDstring

If provided, the message will be posted to this thread

Usernameusernamestring

Overrides the current username of the webhook

Avatar URLavatarURLstring

If used, it overrides the default avatar of the webhook. Note: Consecutive posts by the same username within 10 minutes of each other will not display updated avatar.

Include link to workflowincludeSentViaPipedreamboolean

Defaults to true, includes a link to this workflow at the end of your Discord message.

Embedsembedsany

Optionally pass an array of embed objects. E.g., {{ [{"description":"Use markdown including *Italic* **bold** __underline__ ~~strikeout~~ [hyperlink](https://google.com) `code`"}] }}. To pass data from another step, enter a reference using double curly brackets (e.g., {{steps.mydata.$return_value}}).
Tip: Construct the embeds array in a Node.js code step, return it, and then pass the return value to this step.

Action Authentication

Discord Webhook uses OAuth authentication. When you connect your Discord Webhook account, Pipedream will open a popup window where you can sign into Discord Webhook and grant Pipedream permission to connect to your account. Pipedream securely stores and automatically refreshes the OAuth tokens so you can easily authenticate any Discord Webhook API.

Pipedream requests the following authorization scopes when you connect your account:

webhook.incomingemailidentify

About Discord Webhook

Use this app to send messages to a channel using Discord's incoming webhooks

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