← RSS + Helper Functions integrations

Download File To /tmp with Helper Functions API on New Item in Feed from RSS API

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Trigger workflow on
New Item in Feed from the RSS API
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Download File To /tmp with the Helper Functions API
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Getting Started

This integration creates a workflow with a RSS trigger and Helper Functions 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 Item in Feed trigger
    1. Connect your RSS account
    2. Configure timer
    3. Configure Feed URL
    4. Configure Published After
  3. Configure the Download File To /tmp action
    1. Connect your Helper Functions account
    2. Configure Download File URL
    3. Configure Target Filename
  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 items from an RSS feed
Version:1.2.7
Key:rss-new-item-in-feed

RSS Overview

The RSS app allows users to automatically fetch and parse updates from web feeds. This functionality is pivotal for staying abreast of content changes or updates from websites, blogs, and news outlets that offer RSS feeds. With Pipedream, you can harness the RSS API to trigger workflows that enable a broad range of automations, like content aggregation, monitoring for specific keywords, notifications, and data synchronization across platforms.

Trigger Code

import { defineSource } from "@pipedream/types";
import rss from "../../app/rss.app.mjs";
import rssCommon from "../common/common.mjs";
export default defineSource({
    ...rssCommon,
    key: "rss-new-item-in-feed",
    name: "New Item in Feed",
    description: "Emit new items from an RSS feed",
    version: "1.2.7",
    type: "source",
    dedupe: "unique",
    props: {
        ...rssCommon.props,
        url: {
            propDefinition: [
                rss,
                "url",
            ],
        },
        publishedAfter: {
            type: "string",
            label: "Published After",
            description: "Emit items published after the specified date in ISO 8601 format .e.g `2022-12-07T12:57:10+07:00`",
            default: new Date(Date.now() - 24 * 60 * 60 * 1000).toISOString(), // default to one day ago
        },
    },
    hooks: {
        async activate() {
            // Try to parse the feed one time to confirm we can fetch and parse.
            // The code will throw any errors to the user.
            await this.rss.fetchAndParseFeed(this.url);
        },
    },
    methods: {
        ...rssCommon.methods,
        generateMeta: function (item) {
            return {
                id: this.rss.itemKey(item),
                summary: item.title,
                ts: Date.now(),
            };
        },
    },
    async run() {
        const items = await this.rss.fetchAndParseFeed(this.url);
        for (const item of items.reverse()) {
            const publishedAfter = +new Date(this.publishedAfter);
            const ts = this.rss.itemTs(item);
            if (Number.isNaN(publishedAfter) || publishedAfter > ts) {
                continue;
            }
            const meta = this.generateMeta(item);
            this.$emit(item, meta);
        }
    },
});

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
RSSrssappThis component uses the RSS app.
timer$.interface.timer

How often you want to poll the feed for new items

Feed URLurlstring

Enter the URL for any public RSS feed

Published AfterpublishedAfterstring

Emit items published after the specified date in ISO 8601 format .e.g 2022-12-07T12:57:10+07:00

Trigger Authentication

The RSS API does not require authentication.

About RSS

Real Simple Syndication

Action

Description:Downloads a file to [your workflow's /tmp directory](https://pipedream.com/docs/code/nodejs/working-with-files/#the-tmp-directory)
Version:0.3.0
Key:helper_functions-download-file-to-tmp

Helper Functions Overview

The Helper Functions app on Pipedream is a set of pre-built functions that streamline common tasks in your workflows. It acts like a Swiss Army knife for developers, providing essential tools such as format conversion, date manipulation, and text processing. By leveraging these functions, you can reduce the boilerplate code needed for routine operations, speeding up the development of intricate automations. The Helper Functions API can be a game changer when it comes to tasks like parsing dates in user-friendly formats, encoding and decoding data, or generating UUIDs, making them more efficient and less error-prone.

Action Code

import helper_functions from "../../helper_functions.app.mjs";
import { axios } from "@pipedream/platform";
import fs from "fs";

export default {
  key: "helper_functions-download-file-to-tmp",
  name: "Download File To /tmp",
  description: "Downloads a file to [your workflow's /tmp directory](https://pipedream.com/docs/code/nodejs/working-with-files/#the-tmp-directory)",
  version: "0.3.0",
  type: "action",
  props: {
    helper_functions,
    url: {
      type: "string",
      label: "Download File URL",
      description: "Enter the URL of the file to download",
    },
    filename: {
      type: "string",
      label: "Target Filename",
      description: "The filename that will be used to save in /tmp",
    },
  },
  async run({ $ }) {
    const {
      url, filename,
    } = this;

    const resp = await axios($, {
      url,
      responseType: "arraybuffer",
    });

    /**
     * Saves file to /tmp folder and exports file's file name and file path,
     */
    const rawcontent = resp.toString("base64");
    const buffer = Buffer.from(rawcontent, "base64");
    const downloadedFilepath = `/tmp/${filename}`;
    fs.writeFileSync(downloadedFilepath, buffer);

    const filedata = [
      filename,
      downloadedFilepath,
    ];

    return filedata;
  },
};

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
Helper Functionshelper_functionsappThis component uses the Helper Functions app.
Download File URLurlstring

Enter the URL of the file to download

Target Filenamefilenamestring

The filename that will be used to save in /tmp

Action Authentication

The Helper Functions API does not require authentication.

About Helper Functions

Helper functions and functional utilities to use within your Pipedream workflows

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