[Data] Convert JSON to String with Formatting API on New Links by User from Reddit API

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New Links by User from the Reddit API

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[Data] Convert JSON to String with the Formatting API

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Getting Started#

This integration creates a workflow with a Reddit trigger and Formatting action. When you configure and deploy the workflow, it will run on Pipedream's servers 24x7 for free.

Select this integration
Configure the New Links by User trigger
1. Connect your Reddit account
2. Configure Polling schedule
3. Configure Username
4. Optional- Configure Number of parents
5. Optional- Select a Time filter
6. Optional- Configure Include subreddit details?
Configure the [Data] Convert JSON to String action
1. Connect your Formatting account
2. Configure Input
Deploy the workflow
Send a test event to validate your setup
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#

New Links by User on Reddit

Description:Emit new event each time a user posts a new link.

Version:0.1.0

Key:reddit-new-links-by-user

View on GitHub

Reddit Overview#

You could build a tool that monitors specific subreddits and notifies you
when new posts match certain criteria.
You could build a tool that analyzes the posts and comments in a given
subreddit to generate statistics or visualizations about the topic.
You could build a bot that automatically posts or comments in response to
certain keywords or phrases.
You could build a tool that helps manage your Reddit account by automating
tasks like posting, messaging, or voting.
You could build a tool that extracts data from Reddit posts and comments for
use in other applications.

Trigger Code#

import common from "../common.mjs";
const { reddit } = common.props;

export default {
  ...common,
  type: "source",
  key: "reddit-new-links-by-user",
  name: "New Links by User",
  description: "Emit new event each time a user posts a new link.",
  version: "0.1.0",
  dedupe: "unique",
  props: {
    ...common.props,
    username: {
      propDefinition: [
        reddit,
        "username",
      ],
    },
    numberOfParents: {
      type: "integer",
      label: "Number of parents",
      description: "The emitted events will contain the new comment plus the parents of said comment up to the number indicated in this property.",
      optional: true,
      min: 2,
      max: 10,
      default: 2,
    },
    timeFilter: {
      propDefinition: [
        reddit,
        "timeFilter",
      ],
    },
    includeSubredditDetails: {
      propDefinition: [
        reddit,
        "includeSubredditDetails",
      ],
    },
  },
  hooks: {
    async deploy() {
      // Emits sample events on the first run during deploy.
      var redditLinks = await this.reddit.getNewUserLinks(
        null,
        this.username,
        this.numberOfParents,
        this.timeFilter,
        this.includeSubredditDetails,
        10,
      );
      const { children: links = [] } = redditLinks.data;
      if (links.length === 0) {
        console.log("No data available, skipping iteration");
        return;
      }
      const { name: before = this._getBefore() } = links[0].data;
      this._setBefore(before);
      const previousEmittedEvents = {};
      const keys = [];
      links.reverse().forEach((event) => {
        this.emitRedditEvent(event);
        previousEmittedEvents[event.data.name] = true;
        keys.push(event.data.name);
      });
      this._setCache(previousEmittedEvents);
      this._setKeys(keys);
    },
  },
  methods: {
    ...common.methods,
    generateEventMetadata(redditEvent) {
      return {
        id: redditEvent.data.name,
        summary: redditEvent.data.title,
        ts: redditEvent.data.created,
      };
    },
    async isBeforeValid(before) {
      // verify this link still exists as a link by this user
      const { data } = await this.reddit.getSubredditByName(before);
      return data?.children[0]?.data?.author === this.username;
    },
  },
  async run() {
    let redditLinks;
    const {
      cache: previousEmittedEvents,
      keys,
    } = await this.validateBefore(this._getCache(),
      this._getBefore(),
      this._getKeys());
    do {
      redditLinks = await this.reddit.getNewUserLinks(
        this._getBefore(),
        this.username,
        this.numberOfParents,
        this.timeFilter,
        this.includeSubredditDetails,
      );
      const { children: links = [] } = redditLinks.data;
      if (links.length === 0) {
        console.log("No data available, skipping iteration");
        break;
      }
      const { name: before = this._getBefore() } = links[0].data;
      this._setBefore(before);

      links.reverse().forEach((event) => {
        if (!previousEmittedEvents[event.data.name]) {
          this.emitRedditEvent(event);
          previousEmittedEvents[event.data.name] = true;
          keys.push(event.data.name);
        }
      });
    } while (redditLinks);
    this._setCache(previousEmittedEvents);
    this._setKeys(keys);
  },
};

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.

Label	Prop	Type	Description
Reddit	`reddit`	`app`	This component uses the Reddit app.
N/A	`db`	`$.service.db`	This component uses `$.service.db` to maintain state between executions.
Polling schedule	`timer`	`$.interface.timer`	Pipedream polls Reddit for events on this schedule.
Username	`username`	`string`	The username you'd like to watch.
Number of parents	`numberOfParents`	`integer`	The emitted events will contain the new comment plus the parents of said comment up to the number indicated in this property.
Time filter	`timeFilter`	`string`	Select a value from the drop down menu:`hourdayweekmonthyearall`
Include subreddit details?	`includeSubredditDetails`	`boolean`	If set to `true`, subreddit details will be expanded/included.

Trigger Authentication#

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

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

accountidentityedithistoryreadsubmitmysubredditssubscribe

About Reddit#

Reddit is a network of communities based on people's interests. Find communities you're interested in, and become part of an online community!

Action#

[Data] Convert JSON to String on Formatting

Description:Convert an object to a JSON format string

Version:0.0.4

Key:formatting-convert-json-to-string

View on GitHub

Action Code#

import { defineAction } from "@pipedream/types";
import app from "../../app/formatting.app.mjs";
export default defineAction({
    name: "[Data] Convert JSON to String",
    description: "Convert an object to a JSON format string",
    key: "formatting-convert-json-to-string",
    version: "0.0.4",
    type: "action",
    props: {
        app,
        input: {
            label: "Input",
            description: "An object to be serialized to a JSON format string.",
            type: "object",
        },
    },
    async run({ $ }) {
        try {
            const result = JSON.stringify(this.input);
            $.export("$summary", "Successfully convert object to JSON string");
            return result;
        }
        catch (err) {
            throw new Error("Error serializing object to JSON string: " + err.toString());
        }
    },
});

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.

Label	Prop	Type	Description
Formatting	`app`	`app`	This component uses the Formatting app.
Input	`input`	`object`	An object to be serialized to a JSON format string.

[Data] Convert JSON to String with Formatting API on New Links by User from Reddit API

Pipedream makes it easy to connect APIs for Formatting, Reddit and 2,000+ other apps remarkably fast.

Trusted by 800,000+ developers from startups to Fortune 500 companies

Developers ♥ Pipedream

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