Files
vibn-frontend/app/api/context/summarize/route.ts

61 lines
1.8 KiB
TypeScript

import { NextRequest, NextResponse } from "next/server";
import { GoogleGenAI } from "@google/genai";
const VERTEX_AI_MODEL = process.env.VERTEX_AI_MODEL || 'gemini-3-pro-preview';
const VERTEX_PROJECT_ID = process.env.VERTEX_AI_PROJECT_ID || 'gen-lang-client-0980079410';
const VERTEX_LOCATION = process.env.VERTEX_AI_LOCATION || 'global';
const genAI = new GoogleGenAI({
project: VERTEX_PROJECT_ID,
location: VERTEX_LOCATION,
vertexai: true,
});
export async function POST(request: NextRequest) {
try {
const { content, title } = await request.json();
if (!content) {
return NextResponse.json({ error: "Content is required" }, { status: 400 });
}
// Truncate content if it's too long (Gemini has token limits)
const maxContentLength = 30000; // ~30k characters
const truncatedContent = content.length > maxContentLength
? content.substring(0, maxContentLength) + "..."
: content;
const prompt = `Read this document titled "${title}" and provide a concise 1-2 sentence summary that captures the main topic and key points. Be specific and actionable.
Document content:
${truncatedContent}
Summary:`;
const result = await genAI.models.generateContent({
model: VERTEX_AI_MODEL,
contents: [{
role: 'user',
parts: [{ text: prompt }],
}],
config: {
temperature: 0.3, // Lower temperature for consistent summaries
},
});
const summary = result.candidates?.[0]?.content?.parts?.[0]?.text?.trim() || 'Summary unavailable';
return NextResponse.json({ summary });
} catch (error) {
console.error("Error generating summary:", error);
return NextResponse.json(
{
error: "Failed to generate summary",
details: error instanceof Error ? error.message : String(error),
},
{ status: 500 }
);
}
}