Get PDF with Puppeteer API on New Row Added from Supabase API

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New Row Added from the Supabase API

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Getting Started#

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

Select this integration
Configure the New Row Added trigger
1. Connect your Supabase account
2. Configure Table
3. Optional- Configure Row Identifier
4. Optional- Configure Column
5. Optional- Select a Filter
6. Optional- Configure Value
7. Configure Order By
8. Optional- Select a Sort Order
9. Configure timer
Configure the Get PDF action
1. Connect your Puppeteer account
2. Configure URL
3. Optional- Configure Download Path
4. Optional- Configure Display Header Footer
5. Optional- Configure Footer Template
6. Optional- Select a Format
7. Optional- Configure Header Template
8. Optional- Configure Height
9. Optional- Configure Landscape
10. Optional- Configure Bottom Margin
11. Optional- Configure Left Margin
12. Optional- Configure Right Margin
13. Optional- Configure Top Margin
14. Optional- Configure Omit Background
15. Optional- Configure Page Ranges
16. Optional- Configure Prefer CSS Page Size
17. Optional- Configure Print Background
18. Optional- Configure Scale
19. Optional- Configure Timeout
20. Optional- Configure Width
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 Row Added on Supabase

Description:Emit new event for every new row added in a table. [See documentation here](https://supabase.com/docs/reference/javascript/select)

Version:0.0.1

Key:supabase-new-row-added

View on GitHub

Supabase Overview#

Supabase is a real-time backend-as-a-service that provides developers with a suite of tools to quickly build and scale their applications. It offers database storage, authentication, instant APIs, and real-time subscriptions. With the Supabase API, you can perform CRUD operations on your database, manage users, and listen to database changes in real time. When integrated with Pipedream, you can automate workflows that react to these database events, synchronize data across multiple services, or streamline user management processes.

Trigger Code#

import base from "../common/base.mjs";
import {
  DEFAULT_POLLING_SOURCE_TIMER_INTERVAL,
  ConfigurationError,
} from "@pipedream/platform";
import constants from "../../common/constants.mjs";

export default {
  key: "supabase-new-row-added",
  name: "New Row Added",
  description: "Emit new event for every new row added in a table. [See documentation here](https://supabase.com/docs/reference/javascript/select)",
  version: "0.0.1",
  type: "source",
  props: {
    ...base.props,
    column: {
      propDefinition: [
        base.props.supabase,
        "column",
      ],
      optional: true,
    },
    filter: {
      propDefinition: [
        base.props.supabase,
        "filter",
      ],
      optional: true,
    },
    value: {
      propDefinition: [
        base.props.supabase,
        "value",
      ],
      optional: true,
    },
    orderBy: {
      propDefinition: [
        base.props.supabase,
        "column",
      ],
      label: "Order By",
      description: "Column name to order by",
    },
    sortOrder: {
      propDefinition: [
        base.props.supabase,
        "sortOrder",
      ],
    },
    db: "$.service.db",
    timer: {
      type: "$.interface.timer",
      default: {
        intervalSeconds: DEFAULT_POLLING_SOURCE_TIMER_INTERVAL,
      },
    },
  },
  methods: {
    _getOffset() {
      return this.db.get("offset") || 0;
    },
    _setOffset(offset) {
      this.db.set("offset", offset);
    },
  },
  async run() {
    const {
      table,
      column,
      filter,
      value,
      orderBy,
      sortOrder,
      rowIdentifier,
    } = this;

    if ((column || filter || value) && !(column && filter && value)) {
      throw new ConfigurationError("If `column`, `filter`, or `value` is used, all three must be entered");
    }

    const offset = this._getOffset();
    const client = await this.supabase._client();
    const query = client
      .from(table)
      .select()
      .order(orderBy, {
        ascending: sortOrder,
      })
      .range(offset, offset + constants.MAX_OFFSET);

    if (filter) {
      const filterMethod = this.supabase[filter];
      filterMethod(query, column, value);
    }

    const { data } = await query;
    this._setOffset(offset + data.length);

    for (const row of data) {
      let summary = "New row in table";
      if (row[rowIdentifier]) {
        summary = `${summary}: ${row[rowIdentifier]}`;
      }
      this.$emit(row, {
        summary,
      });
    }
  },
};

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
Supabase	`supabase`	`app`	This component uses the Supabase app.
Table	`table`	`string`	The name of the table to watch for new rows
Row Identifier	`rowIdentifier`	`string`	The column name to use as the row identifier
Column	`column`	`string`	Column name to search by
Filter	`filter`	`string`	Select a value from the drop down menu:`{ "label": "Equal", "value": "equalTo" }{ "label": "Not Equal", "value": "notEqualTo" }{ "label": "Greater Than", "value": "greaterThan" }{ "label": "Greater Than or Equal To", "value": "greaterThanOrEqualTo" }{ "label": "Less Than", "value": "lessThan" }{ "label": "Less Than or Equal To", "value": "lessThanOrEqualTo" }{ "label": "Contains (Case Sensitive)", "value": "patternMatch" }{ "label": "Contains (Case Insensitive)", "value": "patternMatchCaseInsensitive" }`
Value	`value`	`string`	Value of the column specified to search for
Order By	`orderBy`	`string`	Column name to order by
Sort Order	`sortOrder`	`string`	Select a value from the drop down menu:`ascendingdescending`
N/A	`db`	`$.service.db`	This component uses `$.service.db` to maintain state between executions.
	`timer`	`$.interface.timer`

Trigger Authentication#

Supabase uses API keys for authentication. When you connect your Supabase account, Pipedream securely stores the keys so you can easily authenticate to Supabase APIs in both code and no-code steps.

Supabase provides a Service Key to get started. You can find the service_role in the API Settings page.

Finding the Supabase subdomain

About Supabase#

Supabase is an open source Firebase alternative.

Action#

Get PDF on Puppeteer

Description:Generate a PDF of a page using Puppeteer. [See the documentation](https://pptr.dev/api/puppeteer.page.pdf)

Version:1.0.1

Key:puppeteer-get-pdf

View on GitHub

Puppeteer Overview#

Puppeteer is a Node.js library which provides a high-level API to control Chrome/Chromium over the DevTools Protocol. Puppeteer runs in headless mode on Chromium on Pipedream.

Using Puppeteer you can perform tasks including:

Capture Screenshots: Convert webpages into images.
Processing PDFs: parse and scan PDFs.
Web Scraping: Extract data from websites.
UI/UX Testing: Verify user interface and experience.
Integration with Test Frameworks: Combine with testing frameworks.
Task Automation: Automate web-related tasks like form filling.
Functional Testing: Automate user interactions to test web application functionality.
Regression Testing: Ensure new code changes don't introduce bugs.

Action Code#

import puppeteer from "../../puppeteer.app.mjs";
import constants from "../../common/constants.mjs";
import fs from "fs";

export default {
  key: "puppeteer-get-pdf",
  name: "Get PDF",
  description: "Generate a PDF of a page using Puppeteer. [See the documentation](https://pptr.dev/api/puppeteer.page.pdf)",
  version: "1.0.1",
  type: "action",
  props: {
    puppeteer,
    url: {
      type: "string",
      label: "URL",
      description: "The URL of the page to scrape.",
    },
    downloadPath: {
      type: "string",
      label: "Download Path",
      description: "Download the PDF to the `/tmp` directory with the specified filename",
      optional: true,
    },
    displayHeaderFooter: {
      type: "boolean",
      label: "Display Header Footer",
      description: "Whether to show the header and footer.",
      optional: true,
      default: false,
    },
    footerTemplate: {
      type: "string",
      label: "Footer Template",
      description: "HTML template for the print footer.",
      optional: true,
    },
    format: {
      type: "string",
      label: "Format",
      description: "The paper format of the PDF",
      options: constants.PAPER_FORMAT,
      optional: true,
    },
    headerTemplate: {
      type: "string",
      label: "Header Template",
      description: "HTML template for the print header. Should be valid HTML with the following classes used to inject values into them: `date` - formatted print date, `title` - document title, `url` - document location, `pageNumber` - current page number, `totalPages` - total pages in the document.",
      optional: true,
    },
    height: {
      type: "string",
      label: "Height",
      description: "Sets the height of paper. You can pass in a number or a string with a unit.",
      optional: true,
    },
    landscape: {
      type: "boolean",
      label: "Landscape",
      description: "Whether to print in landscape orientation.",
      optional: true,
      default: false,
    },
    marginBottom: {
      type: "string",
      label: "Bottom Margin",
      description: "Margin for the bottom of the page",
      optional: true,
    },
    marginLeft: {
      type: "string",
      label: "Left Margin",
      description: "Margin for the left side of the page",
      optional: true,
    },
    marginRight: {
      type: "string",
      label: "Right Margin",
      description: "Margin for the right side of the page",
      optional: true,
    },
    marginTop: {
      type: "string",
      label: "Top Margin",
      description: "Margin for the top of the page",
      optional: true,
    },
    omitBackground: {
      type: "boolean",
      label: "Omit Background",
      description: "Hides default white background and allows generating pdfs with transparency.",
      optional: true,
      default: false,
    },
    pageRanges: {
      type: "string",
      label: "Page Ranges",
      description: "Paper ranges to print, e.g. 1-5, 8, 11-13.",
      optional: true,
    },
    preferCSSPageSize: {
      type: "boolean",
      label: "Prefer CSS Page Size",
      description: "Give any CSS @page size declared in the page priority over what is declared in the width or height or format option.",
      optional: true,
      default: false,
    },
    printBackground: {
      type: "boolean",
      label: "Print Background",
      description: "Set to true to print background graphics.",
      optional: true,
      default: false,
    },
    scale: {
      type: "string",
      label: "Scale",
      description: "Scales the rendering of the web page. Amount must be between 0.1 and 2.",
      optional: true,
    },
    timeout: {
      type: "integer",
      label: "Timeout",
      description: "Timeout in milliseconds. Pass 0 to disable timeout.",
      optional: true,
      default: 30000,
    },
    width: {
      type: "string",
      label: "Width",
      description: "Sets the width of paper. You can pass in a number or a string with a unit.",
      optional: true,
    },
  },
  methods: {
    async downloadToTMP(pdf) {
      const path = this.downloadPath.includes("/tmp")
        ? this.downloadPath
        : `/tmp/${this.downloadPath}`;
      fs.writeFileSync(path, pdf);
      return path;
    },
  },
  async run({ $ }) {
    const options = {
      displayHeaderFooter: this.displayHeaderFooter,
      footerTemplate: this.footerTemplate,
      format: this.format,
      headerTemplate: this.headerTemplate,
      height: this.height,
      landscape: this.landscape,
      margin: {
        bottom: this.marginBottom,
        left: this.marginLeft,
        right: this.marginRight,
        top: this.marginTop,
      },
      omitBackground: this.omitBackground,
      pageRanges: this.pageRanges,
      preferCSSPageSize: this.preferCSSPageSize,
      printBackground: this.printBackground,
      scale: this.scale
        ? parseFloat(this.scale)
        : undefined,
      timeout: this.timeout,
      width: this.width,
    };

    const browser = await this.puppeteer.launch();
    const page = await browser.newPage();
    await page.goto(this.url);
    const pdf = await page.pdf(options);
    await browser.close();

    const filePath = pdf && this.downloadPath
      ? await this.downloadToTMP(pdf)
      : undefined;

    if (pdf) {
      $.export("$summary", "Successfully generated PDF from page.");
    }

    return filePath
      ? {
        pdf,
        filePath,
      }
      : pdf;
  },
};

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
Puppeteer	`puppeteer`	`app`	This component uses the Puppeteer app.
URL	`url`	`string`	The URL of the page to scrape.
Download Path	`downloadPath`	`string`	Download the PDF to the `/tmp` directory with the specified filename
Display Header Footer	`displayHeaderFooter`	`boolean`	Whether to show the header and footer.
Footer Template	`footerTemplate`	`string`	HTML template for the print footer.
Format	`format`	`string`	Select a value from the drop down menu:`{ "value": "letter", "label": "Letter - 8.5in x 11in" }{ "value": "legal", "label": "Legal - 8.5in x 14in" }{ "value": "tabloid", "label": "Tabloid - 11in x 17in" }{ "value": "ledger", "label": "Ledger - 17in x 11in" }{ "value": "a0", "label": "A0 - 33.1in x 46.8in" }{ "value": "a1", "label": "A1 - 23.4in x 33.1in" }{ "value": "a2", "label": "A2 - 16.54in x 23.4in" }{ "value": "a3", "label": "A3 - 11.7in x 16.54in" }{ "value": "a4", "label": "A4 - 8.27in x 11.7in" }{ "value": "a5", "label": "A5 - 5.83in x 8.27in" }{ "value": "a6", "label": "A6 - 4.13in x 5.83in" }`
Header Template	`headerTemplate`	`string`	HTML template for the print header. Should be valid HTML with the following classes used to inject values into them: `date` - formatted print date, `title` - document title, `url` - document location, `pageNumber` - current page number, `totalPages` - total pages in the document.
Height	`height`	`string`	Sets the height of paper. You can pass in a number or a string with a unit.
Landscape	`landscape`	`boolean`	Whether to print in landscape orientation.
Bottom Margin	`marginBottom`	`string`	Margin for the bottom of the page
Left Margin	`marginLeft`	`string`	Margin for the left side of the page
Right Margin	`marginRight`	`string`	Margin for the right side of the page
Top Margin	`marginTop`	`string`	Margin for the top of the page
Omit Background	`omitBackground`	`boolean`	Hides default white background and allows generating pdfs with transparency.
Page Ranges	`pageRanges`	`string`	Paper ranges to print, e.g. 1-5, 8, 11-13.
Prefer CSS Page Size	`preferCSSPageSize`	`boolean`	Give any CSS @page size declared in the page priority over what is declared in the width or height or format option.
Print Background	`printBackground`	`boolean`	Set to true to print background graphics.
Scale	`scale`	`string`	Scales the rendering of the web page. Amount must be between 0.1 and 2.
Timeout	`timeout`	`integer`	Timeout in milliseconds. Pass 0 to disable timeout.
Width	`width`	`string`	Sets the width of paper. You can pass in a number or a string with a unit.

Action Authentication#

The Puppeteer API does not require authentication.

About Puppeteer#

Puppeteer is a Node.js library which provides a high-level API to control Chrome/Chromium over the DevTools Protocol.

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