Generates batches of presigned URLs for multipart parts

//native

type Discourse = {

  apiKey: string;

  defaultHost: string;

  apiUsername: string;

};

/**

 * Generates batches of presigned URLs for multipart parts

 * Multipart uploads are uploaded in chunks or parts to individual presigned

URLs, similar to the one generated by /generate-presigned-put.

 */

export async function main(

  auth: Discourse,

  body: { part_numbers: unknown[]; unique_identifier: string },

) {

  const url = new URL(

    `https://${auth.defaultHost}/uploads/batch-presign-multipart-parts.json`,

  );

  const response = await fetch(url, {

    method: "POST",

    headers: {

      "Content-Type": "application/json",

      "API-KEY": auth.apiKey,

      "API-USERNAME": auth.apiUsername,

    },

    body: JSON.stringify(body),

  });

  if (!response.ok) {

    const text = await response.text();

    throw new Error(`${response.status} ${text}`);

  }

  return await response.json();

}