added automatic parsing of the image

This commit is contained in:
arkml 2025-09-19 15:17:37 +05:30
parent 4c31912eaf
commit 61254bfc12
2 changed files with 39 additions and 7 deletions

View file

@ -2,6 +2,7 @@ import { NextRequest, NextResponse } from 'next/server';
import { S3Client, PutObjectCommand } from '@aws-sdk/client-s3';
import crypto from 'crypto';
import { tempBinaryCache } from '@/src/application/services/temp-binary-cache';
import { GoogleGenerativeAI } from '@google/generative-ai';
// POST /api/uploaded-images
// Accepts an image file (multipart/form-data, field name: "file")
@ -24,6 +25,24 @@ export async function POST(request: NextRequest) {
const buf = Buffer.from(arrayBuf);
const mime = file.type || 'application/octet-stream';
// Optionally describe image with Gemini
let descriptionMarkdown: string | null = null;
try {
const apiKey = process.env.GOOGLE_API_KEY || process.env.GEMINI_API_KEY || '';
if (apiKey) {
const genAI = new GoogleGenerativeAI(apiKey);
const model = genAI.getGenerativeModel({ model: 'gemini-2.5-flash' });
const prompt = 'Describe this image in concise, high-quality Markdown. Focus on key objects, text, layout, style, colors, and any notable details. Do not include extra commentary or instructions.';
const result = await model.generateContent([
{ inlineData: { data: buf.toString('base64'), mimeType: mime } },
prompt,
]);
descriptionMarkdown = result.response?.text?.() || null;
}
} catch (e) {
console.warn('Gemini description failed', e);
}
// If S3 configured, upload there
const s3Bucket = process.env.RAG_UPLOADS_S3_BUCKET || '';
if (s3Bucket) {
@ -51,17 +70,16 @@ export async function POST(request: NextRequest) {
}));
const url = `/api/uploaded-images/${imageId}`;
return NextResponse.json({ url, storage: 's3', id: imageId, mimeType: mime });
return NextResponse.json({ url, storage: 's3', id: imageId, mimeType: mime, description: descriptionMarkdown });
}
// Otherwise store in temp cache and return temp URL
const ttlSec = 10 * 60; // 10 minutes
const id = tempBinaryCache.put(buf, mime, ttlSec * 1000);
const url = `/api/tmp-images/${id}`;
return NextResponse.json({ url, storage: 'temp', id, mimeType: mime, expiresInSec: ttlSec });
return NextResponse.json({ url, storage: 'temp', id, mimeType: mime, expiresInSec: ttlSec, description: descriptionMarkdown });
} catch (e) {
console.error('upload image error', e);
return NextResponse.json({ error: 'Upload failed' }, { status: 500 });
}
}

View file

@ -23,7 +23,7 @@ export function ComposeBoxPlayground({
}: ComposeBoxPlaygroundProps) {
const [input, setInput] = useState('');
const [uploading, setUploading] = useState(false);
const [pendingImage, setPendingImage] = useState<{ url: string; mimeType?: string } | null>(null);
const [pendingImage, setPendingImage] = useState<{ url?: string; previewSrc?: string; mimeType?: string; description?: string | null } | null>(null);
const [isFocused, setIsFocused] = useState(false);
const textareaRef = useRef<HTMLTextAreaElement>(null);
const previousMessagesLength = useRef(messages.length);
@ -45,9 +45,15 @@ export function ComposeBoxPlayground({
if (text) parts.push(text);
if (pendingImage?.url) {
parts.push(`The user uploaded an image. URL: ${pendingImage.url}`);
if (pendingImage.description) {
parts.push(`Image description (markdown):\n\n${pendingImage.description}`);
}
}
const prompt = parts.join('\n\n');
setInput('');
if (pendingImage?.previewSrc) {
try { URL.revokeObjectURL(pendingImage.previewSrc); } catch {}
}
setPendingImage(null);
handleUserMessage(prompt);
}
@ -67,6 +73,9 @@ export function ComposeBoxPlayground({
async function handleImagePicked(file: File) {
if (!file) return;
try {
// Show immediate local preview
const previewSrc = URL.createObjectURL(file);
setPendingImage({ previewSrc });
setUploading(true);
const form = new FormData();
form.append('file', file);
@ -80,7 +89,7 @@ export function ComposeBoxPlayground({
const data = await res.json();
const url: string | undefined = data?.url;
if (!url) throw new Error('No URL returned');
setPendingImage({ url, mimeType: data?.mimeType });
setPendingImage({ url, previewSrc, mimeType: data?.mimeType, description: data?.description });
} catch (e) {
console.error('Image upload failed', e);
alert('Image upload failed. Please try again.');
@ -124,14 +133,19 @@ export function ComposeBoxPlayground({
{pendingImage && (
<div className="mb-2 flex items-center gap-2">
<img
src={pendingImage.url}
src={pendingImage.previewSrc || pendingImage.url}
alt="Uploaded image preview"
className="w-16 h-16 object-cover rounded border border-gray-200 dark:border-gray-700"
/>
<button
type="button"
className="text-xs px-2 py-1 rounded bg-gray-100 hover:bg-gray-200 dark:bg-gray-800 dark:hover:bg-gray-700 text-gray-700 dark:text-gray-200 border border-gray-200 dark:border-gray-700"
onClick={() => setPendingImage(null)}
onClick={() => {
if (pendingImage?.previewSrc) {
try { URL.revokeObjectURL(pendingImage.previewSrc); } catch {}
}
setPendingImage(null);
}}
>
Dismiss
</button>