ai-chatbot/app/api/rmbg/route.ts
Your Name 0bdc16492d
Some checks failed
Lint / build (20) (push) Has been cancelled
Playwright Tests / test (push) Has been cancelled
refactor: reuse shared rmbg service for box cutout
2026-03-07 10:12:57 +08:00

115 lines
3.6 KiB
TypeScript
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

import { NextRequest, NextResponse } from "next/server";
import { auth } from "@/app/(auth)/auth";
import {
executeRmbgJob,
fetchImageBufferFromUrl,
RmbgServiceError,
} from "@/lib/ai/rmbg/service";
export const runtime = "nodejs";
export const maxDuration = 60;
export async function POST(request: NextRequest) {
try {
const session = await auth();
if (!session?.user?.id) {
return NextResponse.json({ error: "未授权,请先登录" }, { status: 401 });
}
const contentType = request.headers.get("content-type") || "";
let imageBuffer: Buffer;
let imageBase64: string | undefined;
let prompt = "抠图处理";
let chatId: string | null = null;
let messageId: string | null = null;
let skipGallerySave = false;
let sourceImageUrl: string | null = null;
if (contentType.includes("application/json")) {
const body = await request.json();
prompt = body.prompt || "抠图处理";
chatId = body.chatId || null;
messageId = body.messageId || null;
skipGallerySave = body.skipGallerySave === true || body.skip_gallery_save === 1;
const imageUrl = body.imageUrl || body.image_url;
const explicitSourceImageUrl = body.sourceImageUrl || body.source_image_url;
if (imageUrl) {
sourceImageUrl = String(imageUrl);
imageBuffer = await fetchImageBufferFromUrl(sourceImageUrl);
} else if (body.image_base64) {
imageBase64 = String(body.image_base64);
imageBuffer = Buffer.from(imageBase64, "base64");
if (explicitSourceImageUrl) {
sourceImageUrl = String(explicitSourceImageUrl);
}
} else {
return NextResponse.json(
{ error: "缺少 imageUrl 或 image_base64 参数" },
{ status: 400 }
);
}
} else if (contentType.includes("multipart/form-data")) {
const formData = await request.formData();
const file = formData.get("file") as File | null;
if (!file) {
return NextResponse.json({ error: "缺少file参数" }, { status: 400 });
}
const arrayBuffer = await file.arrayBuffer();
imageBuffer = Buffer.from(arrayBuffer);
imageBase64 = imageBuffer.toString("base64");
prompt = (formData.get("prompt") as string) || "抠图处理";
chatId = (formData.get("chatId") as string) || null;
messageId = (formData.get("messageId") as string) || null;
skipGallerySave =
formData.get("skipGallerySave") === "true" || formData.get("skip_gallery_save") === "1";
sourceImageUrl =
(formData.get("sourceImageUrl") as string) ||
(formData.get("source_image_url") as string) ||
null;
} else {
return NextResponse.json(
{ error: "不支持的Content-Type,请使用application/json或multipart/form-data" },
{ status: 400 }
);
}
const result = await executeRmbgJob({
userId: session.user.id,
imageBuffer,
imageBase64,
prompt,
chatId,
messageId,
skipGallerySave,
sourceImageUrl,
});
return NextResponse.json({
success: true,
...result,
});
} catch (error) {
if (error instanceof RmbgServiceError) {
return NextResponse.json(
{
error: error.message,
detail: error.detail || error.message,
},
{ status: error.status }
);
}
console.error("[RMBG API] 处理错误:", error);
return NextResponse.json(
{ error: "服务器内部错误", detail: error instanceof Error ? error.message : "未知错误" },
{ status: 500 }
);
}
}