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Send an image to channel

by
Published Aug 16, 2022
Script slack Verified
Use in Windmill

The script

Submitted by hugo989 Bun
Verified 7 days ago
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import { WebClient } from "@slack/web-api";
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import * as wmill from "windmill-client";
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import { S3Object } from "windmill-client";
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type Slack = {
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  token: string;
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};
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/**
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 * Send an image to channel
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 * Upload an image from Windmill object storage to a Slack channel.
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 */
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export async function main(
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  slack: Slack,
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  channel: string,
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  image: S3Object,
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  imagename: string = "image.png",
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) {
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  const bytes = await wmill.loadS3File(image);
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  if (!bytes) {
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    throw new Error("Could not load the file from object storage");
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  }
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  const client = new WebClient(slack.token);
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  return await client.filesUploadV2({
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    channel_id: channel,
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    file: Buffer.from(bytes),
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    filename: imagename,
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  });
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}
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Other submissions
  • Submitted by admin Deno
    Created 384 days ago
    All edits
    Permalink
    1 
    import type { Base64 } from "https://deno.land/x/[email protected]/mod.ts";
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    import { decode } from "https://deno.land/[email protected]/encoding/base64.ts";
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    type Slack = {
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      token: string;
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    };
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    export async function main(
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      image: Base64,
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      channel: string,
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      slack: Slack,
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      imagename: string = "image.png",
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    ) {
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      const formData = new FormData();
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      formData.append("token", slack.token);
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      formData.append("file", new File([decode(image)], imagename));
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      formData.append("channels", channel);
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      formData.append("filename", "image.png");
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      formData.append("filetype", imagename);
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      return await (
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        await fetch("https://slack.com/api/files.upload", {
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          method: "POST",
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          body: formData,
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        })
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      ).json();
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    }
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