Background Removal with api4ai API on New Message in Channel from Discord Bot API

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New Message in Channel from the Discord Bot API

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Background Removal with the api4ai API

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Getting Started#

This integration creates a workflow with a Discord Bot trigger and api4ai action. When you configure and deploy the workflow, it will run on Pipedream's servers 24x7 for free.

Select this integration
Configure the New Message in Channel trigger
1. Connect your Discord Bot account
2. Select a Guild
3. Select one or more Channels
4. Optional- Configure Emit messages as a single event
5. Configure timer
Configure the Background Removal action
1. Connect your api4ai account
2. Configure alert
3. Configure Image
4. Optional- Configure Mask mode
5. Optional- Select a Result image representation
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 Message in Channel on Discord Bot

Description:Emit new event for each message posted to one or more channels

Version:0.0.18

Key:discord_bot-new-message-in-channel

View on GitHub

Discord Bot Overview#

The Discord Bot API unlocks the power to interact with Discord users and channels programmatically, making it possible to automate messages, manage servers, and integrate with other services. With Pipedream's serverless platform, you can create complex workflows that respond to events in Discord, process data, and trigger actions in other apps. This opens up opportunities for community engagement, content moderation, analytics, and more, without the overhead of managing infrastructure.

Trigger Code#

import { DEFAULT_POLLING_SOURCE_TIMER_INTERVAL } from "@pipedream/platform";
import maxBy from "lodash.maxby";
import common from "../common.mjs";
import sampleEmit from "./test-event.mjs";

const { discord } = common.props;

export default {
  ...common,
  key: "discord_bot-new-message-in-channel",
  name: "New Message in Channel",
  description: "Emit new event for each message posted to one or more channels",
  type: "source",
  version: "0.0.18",

  dedupe: "unique", // Dedupe events based on the Discord message ID
  props: {
    ...common.props,
    db: "$.service.db",
    channels: {
      type: "string[]",
      label: "Channels",
      description: "The channels you'd like to watch for new messages",
      propDefinition: [
        discord,
        "channelId",
        ({ guildId }) => ({
          guildId,
        }),
      ],
    },
    emitEventsInBatch: {
      type: "boolean",
      label: "Emit messages as a single event",
      description:
        "If `true`, all messages are emitted as an array, within a single Pipedream event. Defaults to `false`, emitting each Discord message as its own event in Pipedream",
      optional: true,
      default: false,
    },
    timer: {
      type: "$.interface.timer",
      default: {
        intervalSeconds: DEFAULT_POLLING_SOURCE_TIMER_INTERVAL,
      },
    },
  },
  async run({ $ }) {
    // We store a cursor to the last message ID
    let lastMessageIDs = this._getLastMessageIDs();

    // If this is our first time running this source,
    // get the last N messages, emit them, and checkpoint
    for (const channelId of this.channels) {
      let lastMessageID;
      let messages = [];

      if (!lastMessageID) {
        messages = await this.discord.getMessages({
          $,
          channelId,
          params: {
            limit: 100,
          },
        });

        lastMessageID = messages.length
          ? maxBy(messages, (message) => message.id).id
          : 1;

      } else {
        let newMessages = [];

        do {
          newMessages = await this.discord.getMessages({
            $,
            channelId,
            params: {
              after: lastMessageIDs[channelId],
            },
          });

          messages = messages.concat(newMessages);

          lastMessageID = newMessages.length
            ? maxBy(newMessages, (message) => message.id).id
            : lastMessageIDs[channelId];

        } while (newMessages.length);
      }

      // Set the new high water mark for the last message ID
      // for this channel
      lastMessageIDs[channelId] = lastMessageID;

      if (!messages.length) {
        console.log(`No new messages in channel ${channelId}`);
        return;
      }

      console.log(`${messages.length} new messages in channel ${channelId}`);

      // Batched emits do not take advantage of the built-in deduper
      if (this.emitEventsInBatch) {
        const suffixChar =
          messages.length > 1
            ? "s"
            : "";

        this.$emit(messages, {
          summary: `${messages.length} new message${suffixChar}`,
          id: lastMessageID,
        });

      } else {
        messages.forEach((message) => {
          this.$emit(message, {
            summary: message.content,
            id: message.id, // dedupes events based on this ID
          });
        });
      }
    }

    // Set the last message ID for the next run
    this._setLastMessageIDs(lastMessageIDs);
  },
  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.

Label	Prop	Type	Description
Discord Bot	`discord`	`app`	This component uses the Discord Bot app.
Guild	`guildId`	`string`	Select a value from the drop down menu.
N/A	`db`	`$.service.db`	This component uses `$.service.db` to maintain state between executions.
Channels	`channels`	`string[]`	Select a value from the drop down menu.
Emit messages as a single event	`emitEventsInBatch`	`boolean`	If `true`, all messages are emitted as an array, within a single Pipedream event. Defaults to `false`, emitting each Discord message as its own event in Pipedream
	`timer`	`$.interface.timer`

Trigger Authentication#

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

This app allows you to use the Discord API using your own Discord bot. If you don't want to use a custom bot, and you just need to use the Discord API, exit this screen and use the Discord app, instead.

If you want to use your own Discord bot, but haven't created one yet, see these instructions or watch this video. You'll need to add this bot to your server(s) to make successful API requests.

Once you've created your bot, you'll find the Bot token within the Bot section of your app. Enter that token below.

About Discord Bot#

Use this app to interact with the Discord API using a bot in your account

Action#

Background Removal on api4ai

Description:Automatically and quickly remove image background with high accuracy. Powered by API4AI.

Version:0.0.1

Key:api4ai-background-removal

View on GitHub

Background Removal Overview#

⭐️ Background Removal offers advanced image analysis for foreground segmentation and effortless background removal.

bg-removal

🤖 Demo

Discover the Background Removal Web demo for free and get a feel for its capabilities before diving deeper. No registration is required: https://api4.ai/apis/bg-removal#demo-wrapper

Action Code#

import app from "../../api4ai.app.mjs";
import {
  retryWithExponentialBackoff, representFile,
} from "../../common/utils.mjs";

export default {
  name: "Background Removal",
  description:
    "Automatically and quickly remove image background with high accuracy. Powered by API4AI.",
  key: "api4ai-background-removal",
  version: "0.0.1",
  type: "action",
  props: {
    app,
    alert: {
      type: "alert",
      alertType: "info",
      content: "Subscribe to [API4AI Background Removal](https://rapidapi.com/api4ai-api4ai-default/api/background-removal4/pricing) on the RapidAPI hub before you start using it.",
    },
    image: {
      propDefinition: [
        app,
        "image",
      ],
    },
    mask: {
      type: "boolean",
      label: "Mask mode",
      description:
        "Return the foreground object mask instead of the image with the background removed.",
      default: false,
      optional: true,
    },
    representation: {
      type: "string",
      label: "Result image representation",
      description:
        "Return the result image as:\n  * **path** to a file (default)\n  * **URL** to a file hosted by api4ai (valid for 1 day)\n  * **Base64** string with file's content\n  * **Buffer** encoded in JSON with a file's content\n  * **Array** of bytes with a file's content",
      default: "Path to file",
      optional: true,
      options: [
        "Path to file",
        "URL to file",
        "Base64 string",
        "JSON Buffer",
        "Array",
      ],
    },
  },
  async run({ $ }) {
    // Initialize output.
    let summary = "";
    let result = "";
    const objects = [];
    let width = 0;
    let height = 0;

    // Prepare query params.
    const mode = this.mask
      ? "fg-mask"
      : "fg-image";
    const representation = this.representation == "URL to file"
      ? "url"
      : "base64";

    // Perform request and parse results.
    const cb = () =>
      this.app.makeRequest(
        $,
        "https://background-removal4.p.rapidapi.com/v1/results",
        this.image,
        {
          mode,
          representation,
        },
      );
    const response = await retryWithExponentialBackoff(cb);
    const isOk = response?.results?.[0]?.status?.code === "ok";
    summary = response?.results?.[0]?.status?.message || JSON.stringify(response);
    if (isOk) {
      result = response.results[0].entities[0].image;
      const rawObjects = response.results[0].entities[1].objects;
      rawObjects.forEach(function (o) {
        const box = {
          x: o.box[0],
          y: o.box[1],
          w: o.box[2],
          h: o.box[3],
        };
        const cls = Object.keys(o.entities[0].classes)[0];
        objects.push({
          class: cls,
          box: box,
        });
      });
      const format = response.results[0].entities[0].format;
      result = representFile(result, format, this.representation);
      width = response.results[0].width;
      height = response.results[0].height;
    }
    else {
      throw new Error(summary);
    }

    $.export("$summary", summary);
    $.export("result", result);
    $.export("objects", objects);
    $.export("width", width);
    $.export("height", height);
  },
};

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
api4ai	`app`	`app`	This component uses the api4ai app.
Image	`image`	`string`	Input image. Various types are accepted: a path to a file a URL to a file a file's content encoded as a base64 string a file's content as a Buffer encoded in JSON a file's content as an Array of bytes
Mask mode	`mask`	`boolean`	Return the foreground object mask instead of the image with the background removed.
Result image representation	`representation`	`string`	Select a value from the drop down menu:`Path to fileURL to fileBase64 stringJSON BufferArray`

Action Authentication#

api4ai uses API keys for authentication. When you connect your api4ai account, Pipedream securely stores the keys so you can easily authenticate to api4ai APIs in both code and no-code steps.

About api4ai#

api4ai offers a multitude of ready-to-use AI APIs to extract information from your images.

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Pipedream makes it easy to connect APIs for api4ai, Discord Bot and 2,400+ other apps remarkably fast.

Trusted by 1,000,000+ developers from startups to Fortune 500 companies

Developers ♥ Pipedream

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