Files
PromptArch/app/api/qwen/chat/route.ts
2025-12-26 13:13:36 +04:00

71 lines
1.9 KiB
TypeScript

import { NextRequest, NextResponse } from "next/server";
import { createQwenHeaders } from "../constants";
const DEFAULT_QWEN_ENDPOINT = "https://dashscope-intl.aliyuncs.com/compatible-mode/v1";
function normalizeEndpoint(raw?: string | null): string {
const trimmed = (raw || "").trim();
if (!trimmed) {
return DEFAULT_QWEN_ENDPOINT;
}
if (trimmed.endsWith("/chat/completions")) {
return trimmed;
}
const cleaned = trimmed.replace(/\/$/, "");
return `${cleaned}/chat/completions`;
}
export async function POST(request: NextRequest) {
try {
const body = await request.json().catch(() => ({}));
const { endpoint, model, messages, stream } = body || {};
const authorization = request.headers.get("authorization") || body?.authorization;
if (!authorization) {
return NextResponse.json(
{ error: "Authorization header required" },
{ status: 401 }
);
}
const url = normalizeEndpoint(endpoint);
const response = await fetch(url, {
method: "POST",
headers: {
...createQwenHeaders("application/json"),
Authorization: authorization,
},
body: JSON.stringify({
model,
messages,
stream,
}),
});
const payload = await response.text();
if (!response.ok) {
return NextResponse.json(
{ error: payload || response.statusText || "Qwen chat failed" },
{ status: response.status }
);
}
try {
const data = JSON.parse(payload);
return NextResponse.json(data, { status: response.status });
} catch {
return NextResponse.json(
{ error: payload || "Unexpected response format" },
{ status: 502 }
);
}
} catch (error) {
return NextResponse.json(
{ error: "internal_server_error", message: error instanceof Error ? error.message : "Qwen chat failed" },
{ status: 500 }
);
}
}