← Hacker News + GitHub integrations

Get Issue Assignees with GitHub API on New Stories by Keyword from Hacker News API

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New Stories by Keyword from the Hacker News API
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Get Issue Assignees with the GitHub API
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Getting Started

This integration creates a workflow with a Hacker News trigger and GitHub 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 Get Issue Assignees action
    1. Connect your GitHub account
    2. Select a Repository
    3. Select a Issue Number
  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 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 component invocations.
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:Get assignees for an issue in a Gihub repo. [See docs here](https://docs.github.com/en/rest/issues/issues#get-an-issue)
Version:0.0.5
Key:github-get-issue-assignees

Action Code

import github from "../../github.app.mjs";

export default {
  key: "github-get-issue-assignees",
  name: "Get Issue Assignees",
  description: "Get assignees for an issue in a Gihub repo. [See docs here](https://docs.github.com/en/rest/issues/issues#get-an-issue)",
  version: "0.0.5",
  type: "action",
  props: {
    github,
    repoFullname: {
      propDefinition: [
        github,
        "repoFullname",
      ],
    },
    issueNumber: {
      label: "Issue Number",
      description: "The number that identifies the issue.",
      type: "integer",
      propDefinition: [
        github,
        "issueNumber",
        (c) => ({
          repoFullname: c.repoFullname,
        }),
      ],
    },
  },
  async run({ $ }) {
    const issue = await this.github.getIssue({
      repoFullname: this.repoFullname,
      issueNumber: this.issueNumber,
    });

    $.export("$summary", "Successfully found issue.");
    $.export("issue", issue);

    return issue.assignees.map((assignee) => assignee.login);
  },
};

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
GitHubgithubappThis component uses the GitHub app.
RepositoryrepoFullnamestringSelect a value from the drop down menu.
Issue NumberissueNumberintegerSelect a value from the drop down menu.

Action Authentication

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

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

repoadmin:orgadmin:public_keyadmin:org_hookgistprojectnotificationsuserwrite:discussionwrite:packagesread:packagesadmin:repo_hook

About GitHub

Where the world builds software. Millions of developers and companies build, ship, and maintain their software on GitHub—the largest and most advanced development platform in the world.

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