Ghost spam filter.

// Generic Ghost webhook receiver. Adapt the field mapping to your event.
export default {
  async fetch(req, env) {
    if (req.method !== "POST") return new Response("method", { status: 405 });
    const event = await req.json();

    const text = [
      event.member?.name,
      event.member?.email,
      event.comment?.html,
      event.message,
    ].filter(Boolean).join("\n");

    let probability = 0;
    const resp = await fetch("https://api.siftfy.io/v1/predict", {
      method: "POST",
      headers: {
        "Content-Type": "application/json",
        "X-API-Key": env.SIFTFY_KEY,
      },
      body: JSON.stringify({ text }),
    });
    if (resp.ok) probability = (await resp.json()).spam_probability;

    if (probability >= 0.85) return new Response("ok", { status: 200 });
    await env.CLEAN_QUEUE.send({ event, probability });
    return new Response("ok", { status: 200 });
  },
};