Update Blog Post

//native

/**

 * Update Blog Post

 * Update a blog post's title, body, or status. The current version is fetched automatically and incremented; omitted fields keep their existing values.

 */

export async function main(

  auth: RT.Confluence,

  blog_post_id: string,

  title: string | undefined,

  body: string | undefined,

  status: "current" | "draft" | "archived" | undefined,

  representation: "storage" | "atlas_doc_format" | undefined,

  version_message: string | undefined

) {

  const base = auth.baseUrl.replace(/\/$/, "")

  const repr = representation ?? "storage"

  const authHeader = "Basic " + btoa(`${auth.email}:${auth.apiToken}`)

  // Fetch the current blog post to obtain the version number and any fields not being changed.

  const currentRes = await fetch(

    `${base}/wiki/api/v2/blogposts/${blog_post_id}?body-format=${repr}`,

    {

      method: "GET",

      headers: { Authorization: authHeader, Accept: "application/json" },

    }

  )

  if (!currentRes.ok) {

    throw new Error(`${currentRes.status} ${await currentRes.text()}`)

  }

  const current = (await currentRes.json()) as {

    title: string

    status: string

    version: { number: number }

    body?: { [key: string]: { value?: string } }

  }

  const payload = {

    id: blog_post_id,

    status: status ?? current.status,

    title: title ?? current.title,

    body: {

      representation: repr,

      value: body ?? current.body?.[repr]?.value ?? "",

    },

    version: {

      number: current.version.number + 1,

      message: version_message,

    },

  }

  const response = await fetch(

    `${base}/wiki/api/v2/blogposts/${blog_post_id}`,

    {

      method: "PUT",

      headers: {

        Authorization: authHeader,

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

        Accept: "application/json",

      },

      body: JSON.stringify(payload),

    }

  )

  if (!response.ok) {

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

  }

  return await response.json()

}