src/lib/s3-artifacts.ts

import {
  PutObjectCommand,
  GetObjectCommand,
  DeleteObjectCommand,
  HeadObjectCommand,
} from "@aws-sdk/client-s3";
import { getSignedUrl } from "@aws-sdk/s3-request-presigner";
import { s3, S3_BUCKET_NAME } from "./s3";

export async function uploadArtifact(params: {
  key: string;
  body: Buffer | string;
  contentType: string;
}) {
  await s3.send(
    new PutObjectCommand({
      Bucket: S3_BUCKET_NAME,
      Key: params.key,
      Body: params.body,
      ContentType: params.contentType,
    })
  );

  return params.key;
}

export async function getArtifactDownloadUrl(key: string) {
  return await getSignedUrl(
    s3,
    new GetObjectCommand({
      Bucket: S3_BUCKET_NAME,
      Key: key,
    }),
    {
      expiresIn: 60 * 10,
    }
  );
}

export async function getArtifactUploadUrl(params: {
  key: string;
  contentType: string;
}) {
  return await getSignedUrl(
    s3,
    new PutObjectCommand({
      Bucket: S3_BUCKET_NAME,
      Key: params.key,
      ContentType: params.contentType,
    }),
    {
      expiresIn: 60 * 10,
    }
  );
}

export async function deleteArtifact(key: string) {
  await s3.send(
    new DeleteObjectCommand({
      Bucket: S3_BUCKET_NAME,
      Key: key,
    })
  );
}

export async function artifactExists(key: string) {
  try {
    await s3.send(
      new HeadObjectCommand({
        Bucket: S3_BUCKET_NAME,
        Key: key,
      })
    );
    return true;
  } catch {
    return false;
  }
}