Get attachment

//native

type Holded = {

  apiKey: string;

};

/**

 * Get attachment

 * Get attachment

 */

export async function main(

  auth: Holded,

  contactId: string,

  filename: string | undefined,

) {

  const url = new URL(

    `https://api.holded.com/api/invoicing/v1/contacts/${contactId}/attachments/get`,

  );

  for (const [k, v] of [["filename", filename]]) {

    if (v !== undefined && v !== "" && k !== undefined) {

      url.searchParams.append(k, v);

    }

  }

  const response = await fetch(url, {

    method: "GET",

    headers: {

      key: auth.apiKey,

    },

    body: undefined,

  });

  if (!response.ok) {

    const text = await response.text();

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

  }

  return await response.json();

}