Proje 2: Otomatik Blog Yayın Hattı (API + Webhook)

// app/api/publish-blog/route.ts (Vercel)
import { NextRequest, NextResponse } from "next/server";
import { OpenAI } from "openai";
import { z } from "zod";
import { zodResponseFormat } from "openai/helpers/zod";
 
const openai = new OpenAI();
 
const SEOPackage = z.object({
  title: z.string().max(60),
  description: z.string().max(155),
  slug: z.string(),
  keywords: z.array(z.string()).max(10),
});
 
const SocialPosts = z.object({
  linkedin: z.string().max(2000),
  twitter: z.string().max(280),
  instagram: z.string().max(500),
});
 
export async function POST(req: NextRequest) {
  const { notion_page_id, content } = await req.json();
 
  // 1. SEO paketi üret
  const seo = await openai.beta.chat.completions.parse({
    model: "gpt-5",
    messages: [
      { role: "system", content: "SEO uzmanısın. JSON döndür." },
      { role: "user", content: `Bu yazı için SEO paketi: ${content.slice(0, 3000)}` },
    ],
    response_format: zodResponseFormat(SEOPackage, "seo"),
  });
 
  // 2. Sosyal post'ları üret
  const social = await openai.beta.chat.completions.parse({
    model: "gpt-5",
    messages: [
      { role: "system", content: "Sosyal medya copywriter'ısın." },
      { role: "user", content: `Bu blog yazısı için 3 platform için post: ${content.slice(0, 2000)}` },
    ],
    response_format: zodResponseFormat(SocialPosts, "social"),
  });
 
  // 3. CMS'e yayınla
  await fetch(process.env.CMS_API_URL!, {
    method: "POST",
    headers: { "Authorization": `Bearer ${process.env.CMS_TOKEN}` },
    body: JSON.stringify({
      content,
      ...seo.choices[0].message.parsed,
    }),
  });
 
  // 4. Buffer'a sosyal kuyruk
  await fetch("https://api.buffer.com/1/updates/create.json", {
    method: "POST",
    body: JSON.stringify(social.choices[0].message.parsed),
  });
 
  // 5. Slack bildirim
  await fetch(process.env.SLACK_WEBHOOK!, {
    method: "POST",
    body: JSON.stringify({
      text: `✅ Yeni blog yayında: ${seo.choices[0].message.parsed.title}`,
    }),
  });
 
  return NextResponse.json({ success: true });
}