send.ts

import { jsonError } from "../../common.js";
import { sendPushNotification } from "../../gcloud.js";

export async function onRequestPost(context: RequestContext) {
  const { current_user: currentUser } = context.data;

  if (!currentUser) return jsonError("Unauthorized", 401);

  if (!(currentUser.permissions & (1 << 0))) return jsonError("Forbidden", 403);

  const { body, title } = context.data.body;

  if (typeof body !== "string" || typeof title !== "string")
    return jsonError("Body and title must be strings", 400);

  if (
    new Blob([
      JSON.stringify({
        message: {
          notification: {
            body,
            title,
          },
        },
      }),
    ]).size > 4000
  )
    return jsonError("Payload too large", 400);

  await sendPushNotification(context.env, title, body);

  return new Response(null, {
    status: 204,
  });
}