← Slack + OCRSpace integrations

Process Image with OCRSpace API on New Interaction Events (Instant) from Slack API

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New Interaction Events (Instant) from the Slack API
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Process Image with the OCRSpace API
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Getting Started

This integration creates a workflow with a Slack trigger and OCRSpace 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 Interaction Events (Instant) trigger
    1. Connect your Slack account
    2. Configure alert
    3. Optional- Configure Action IDs
    4. Optional- Select one or more Channels
    5. Configure slackApphook
  3. Configure the Process Image action
    1. Connect your OCRSpace account
    2. Optional- Select a Language
    3. Optional- Configure Is Overlay Required
    4. Optional- Configure Detect Orientation
    5. Optional- Configure Scale
    6. Optional- Configure Is Table
    7. Optional- Select a OCR Engine
    8. Configure Image
    9. Optional- Select a File Type
  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 events on new Slack [interactivity events](https://api.slack.com/interactivity) sourced from [Block Kit interactive elements](https://api.slack.com/interactivity/components), [Slash commands](https://api.slack.com/interactivity/slash-commands), or [Shortcuts](https://api.slack.com/interactivity/shortcuts).
Version:0.0.18
Key:slack-new-interaction-event-received

New Interaction Events (Instant) Overview

Slack messages can contain interactive elements like buttons, dropdowns, radio buttons, and more. This source subscribes to interactive events, like when a button is clicked in a message.

Example of a Slack button

Then this source will be triggered when you or another Slack user in your workspace clicks a button, selects an option or fills out a form.

Example feed of interaction events coming from Slack

With this trigger, you can build workflows that perform some work with other APIs or services, and then reply back to the original message.

Trigger Code

import common from "../common/base.mjs";
import sampleEmit from "./test-event.mjs";

export default {
  name: "New Interaction Events (Instant)",
  version: "0.0.18",
  key: "slack-new-interaction-event-received",
  description: "Emit new events on new Slack [interactivity events](https://api.slack.com/interactivity) sourced from [Block Kit interactive elements](https://api.slack.com/interactivity/components), [Slash commands](https://api.slack.com/interactivity/slash-commands), or [Shortcuts](https://api.slack.com/interactivity/shortcuts).",
  type: "source",
  props: {
    ...common.props,
    alert: {
      type: "alert",
      alertType: "info",
      content: "Please note that only messages created via Pipedream's [Send Block Kit Message](https://pipedream.com/apps/slack/actions/send-block-kit-message) Action, or via API call from the Pipedream app will emit an interaction event with this trigger. \n\nBlock kit messages sent directly via the Slack's block kit builder will not trigger an interaction event. \n\nSee the [documentation](https://pipedream.com/apps/slack/triggers/new-interaction-event-received) for more details.",
    },
    action_ids: {
      type: "string[]",
      label: "Action IDs",
      description: "Filter interaction events by specific `action_id`'s to subscribe for new interaction events. If none are specified, all `action_ids` created via Pipedream will emit new events.",
      optional: true,
      default: [],
    },
    conversations: {
      propDefinition: [
        common.props.slack,
        "conversation",
      ],
      type: "string[]",
      label: "Channels",
      description: "Filter interaction events by one or more channels. If none selected, any interaction event in any channel will emit new events.",
      optional: true,
      default: [],
    },
    // eslint-disable-next-line pipedream/props-description,pipedream/props-label
    slackApphook: {
      type: "$.interface.apphook",
      appProp: "slack",
      /**
       * Subscribes to potentially 4 different events:
       * `interaction_events` - all interaction events on the authenticated account
       * `interaction_events:${action_id}` - all interaction events with a specific given action_id
       * `interaction_events:${channel_id}` - all interaction events within a specific channel
       * `interaction_events:${channel_id}:${action_id}` - action_id within a specific channel
       * @returns string[]
       */
      async eventNames() {
        // start with action_ids, since they can be the most specific
        const action_events = this.action_ids.reduce((carry, action_id) => {
          // if channels are provided, spread them
          if (this.conversations && this.conversations.length > 0) {
            return [
              ...carry,
              ...this.conversations.map(
                (channel) => `interaction_events:${channel}:${action_id}`,
              ),
            ];
          }

          return [
            ...carry,
            `interaction_events:${action_id}`,
          ];
        }, []);

        if (action_events.length > 0) return action_events;

        // if no action_ids are specified, move down to channels
        const channel_events = this.conversations.map(
          (channel) => `interaction_events:${channel}`,
        );

        if (channel_events.length > 0) return channel_events;

        // if not specific action_ids or channels are specified, subscribe to all events
        return [
          "interaction_events",
        ];
      },
    },
  },
  methods: {},
  async run(event) {
    this.$emit(
      {
        event,
      },
      {
        summary: `New interaction event${
          event?.channel?.id
            ? ` in channel ${event.channel.id}`
            : ""
        }${
          event.actions?.length > 0
            ? ` from action_ids ${event.actions
              .map((action) => action.action_id)
              .join(", ")}`
            : ""
        }`,
        ts: Date.now(),
      },
    );
  },
  sampleEmit,
};

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
SlackslackappThis component uses the Slack app.
N/Adb$.service.dbThis component uses $.service.db to maintain state between executions.
Action IDsaction_idsstring[]

Filter interaction events by specific action_id's to subscribe for new interaction events. If none are specified, all action_ids created via Pipedream will emit new events.

Channelsconversationsstring[]Select a value from the drop down menu.
slackApphook$.interface.apphook

Trigger Authentication

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

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

channels:historychannels:readchannels:writeemoji:readgroups:historygroups:readgroups:writeim:historyim:readim:writelinks:readlinks:writempim:historympim:readmpim:writereactions:readreactions:writereminders:readreminders:writestars:readteam:readusergroups:readusergroups:writeusers:readusers:read.emailusers:writechat:write:botchat:write:userfiles:write:usercommandsusers.profile:writeusers.profile:read

About Slack

Slack is a channel-based messaging platform. With Slack, people can work together more effectively, connect all their software tools and services, and find the information they need to do their best work — all within a secure, enterprise-grade environment.

Action

Description:Submits an image file for OCR processing using OCR.space. [See the documentation](https://ocr.space/ocrapi)
Version:0.0.1
Key:ocrspace-process-image

OCRSpace Overview

The OCRSpace API enables text extraction from images and PDFs, converting various image formats into editable and searchable data. This service is a game-changer for automating document handling processes, where the need to digitize content is crucial. Pipedream's platform allows for seamless integration of OCRSpace's capabilities with various apps to streamline workflows, such as organizing documents, populating databases, or even triggering event-driven actions based on the extracted content.

Action Code

import common from "../common/process-base.mjs";

export default {
  ...common,
  key: "ocrspace-process-image",
  name: "Process Image",
  description: "Submits an image file for OCR processing using OCR.space. [See the documentation](https://ocr.space/ocrapi)",
  version: "0.0.1",
  type: "action",
  props: {
    ...common.props,
    file: {
      propDefinition: [
        common.props.ocrspace,
        "file",
      ],
    },
    filetype: {
      propDefinition: [
        common.props.ocrspace,
        "filetype",
      ],
    },
  },
  methods: {
    getSummary() {
      return "Image submitted for OCR processing.";
    },
  },
};

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
OCRSpaceocrspaceappThis component uses the OCRSpace app.
LanguagelanguagestringSelect a value from the drop down menu:{ "label": "Arabic", "value": "ara" }{ "label": "Bulgarian", "value": "bul" }{ "label": "Chinese (Simplified)", "value": "chs" }{ "label": "Chinese (Traditional)", "value": "cht" }{ "label": "Croatian", "value": "hrv" }{ "label": "Czech", "value": "cze" }{ "label": "Danish", "value": "dan" }{ "label": "Dutch", "value": "dut" }{ "label": "English", "value": "eng" }{ "label": "Finnish", "value": "fin" }{ "label": "French", "value": "fre" }{ "label": "German", "value": "ger" }{ "label": "Greek", "value": "gre" }{ "label": "Hungarian", "value": "hun" }{ "label": "Korean", "value": "kor" }{ "label": "Italian", "value": "ita" }{ "label": "Japanese", "value": "jpn" }{ "label": "Polish", "value": "pol" }{ "label": "Portuguese", "value": "por" }{ "label": "Russian", "value": "rus" }{ "label": "Slovenian", "value": "slv" }{ "label": "Spanish", "value": "spa" }{ "label": "Swedish", "value": "swe" }{ "label": "Turkish", "value": "tur" }
Is Overlay RequiredisOverlayRequiredboolean

If true, returns the coordinates of the bounding boxes for each word. If false, the OCR'ed text is returned only as a text block (this makes the JSON reponse smaller). Overlay data can be used, for example, to show text over the image.

Detect OrientationdetectOrientationboolean

If set to true, the api autorotates the image correctly and sets the TextOrientation parameter in the JSON response. If the image is not rotated, then TextOrientation=0, otherwise it is the degree of the rotation, e. g. "270".

Scalescaleboolean

If set to true, the api does some internal upscaling. This can improve the OCR result significantly, especially for low-resolution PDF scans. Note that the front page demo uses scale=true, but the API uses scale=false by default. See also this OCR forum post.

Is TableisTableboolean

If set to true, the OCR logic makes sure that the parsed text result is always returned line by line. This switch is recommended for table OCR, receipt OCR, invoice processing and all other type of input documents that have a table like structure.

OCR EngineocrEnginestringSelect a value from the drop down menu:{ "label": "OCR Engine 1", "value": "1" }{ "label": "OCR Engine 2", "value": "2" }
Imagefilestring

The URL of the image or the path to the file saved to the /tmp directory (e.g. /tmp/example.jpg) to process. See the documentation.

File TypefiletypestringSelect a value from the drop down menu:GIFPNGJPGTIFBMP

Action Authentication

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

In order to get an API Key, you need to register here for your free OCR API key. Then follow the instructions that are sent to the email you provided when registering.

About OCRSpace

The OCR.space Online OCR service converts scans or (smartphone) images of text documents into editable files by using Optical Character Recognition (OCR). The OCR software also can get text from PDF . Our Online OCR service is free to use, no registration necessary. Just upload your image files.

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