チャットAPIをNext.jsに移行

Author: hiromeee

app/chat/route.js

@@ -0,0 +1,36 @@
+// npm install @google/generative-ai
+import { NextResponse } from 'next/server';
+import { GoogleGenerativeAI } from '@google/generative-ai';
+
+
+const genAI = new GoogleGenerativeAI(process.env.API_KEY);
+
+export async function POST(request) {
+  const { message } = await request.json();
+
+
+  if (!message) {
+    return NextResponse.json(
+      { error: "メッセージがありません。" },
+      { status: 400 }
+    );
+  }
+
+  try {
+    const model = genAI.getGenerativeModel({ model: "gemini-1.5-flash" });
+    
+    const result = await model.generateContent(message);
+    const response = result.response;
+    const text = response.text();
+
+    return NextResponse.json({ response: text });
+
+  } catch (e) {
+
+    console.error("Error:", e);
+    return NextResponse.json(
+      { response: "エラーが発生しました。" },
+      { status: 500 }
+    );
+  }
+}