Get Messages for Campaign

//native

type Klaviyo = {

  apiKey: string;

};

/**

 * Get Messages for Campaign

 * Return all messages that belong to the given campaign.*Rate limits*:Burst: `10/s`Steady: `150/m`

 */

export async function main(

  auth: Klaviyo,

  id: string,

  fields_campaign_message_: string | undefined,

  fields_campaign_: string | undefined,

  fields_template_: string | undefined,

  include: string | undefined,

  revision: string,

) {

  const url = new URL(

    `https://a.klaviyo.com/api/campaigns/${id}/campaign-messages`,

  );

  for (const [k, v] of [

    ["fields[campaign-message]", fields_campaign_message_],

    ["fields[campaign]", fields_campaign_],

    ["fields[template]", fields_template_],

    ["include", include],

  ]) {

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

      url.searchParams.append(k, v);

    }

  }

  const response = await fetch(url, {

    method: "GET",

    headers: {

      revision: revision,

      "Accept": "application/vnd.api+json",

      Authorization: "Klaviyo-API-Key " + auth.apiKey,

    },

    body: undefined,

  });

  if (!response.ok) {

    const text = await response.text();

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

  }

  return await response.json();

}