Get Message

//native

/**

 * Get Message

 * Get one message by id, with its body as HTML or plain text. Requires Mail.Read (covered by the default Mail.ReadWrite) (a shared mailbox needs Mail.Read.Shared, not a default).

 */

export async function main(

  auth: RT.MsOutlook,

  message_id: string,

  select: string | undefined,

  body_format: "html" | "text" = "html",

  mailbox: string | undefined

) {

  const base = `https://graph.microsoft.com/v1.0/${

    mailbox != null && mailbox !== ""

      ? `users/${encodeURIComponent(mailbox)}`

      : "me"

  }`

  const url = new URL(`${base}/messages/${encodeURIComponent(message_id)}`)

  if (select != null && select !== "") {

    url.searchParams.append("$select", select)

  }

  const response = await fetch(url, {

    headers: {

      Authorization: `Bearer ${auth.token}`,

      Accept: "application/json",

      Prefer: `outlook.body-content-type="${body_format}"`,

    },

  })

  if (!response.ok) {

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

  }

  return await response.json()

}