Show WireGuard QR, full .conf and ZIP download after 3x-ui client create

Co-authored-by: Cursor <cursoragent@cursor.com>

app/routers/admin.py

@@ -1,4 +1,5 @@
 import io
+import zipfile
 
 import qrcode
 from fastapi import APIRouter, Depends, Form, Request, status
@@ -286,7 +287,7 @@ async def create_xui_client_from_clients(
             status_code=status.HTTP_303_SEE_OTHER,
         )
     try:
-        await xui_service.add_xui_client(
+        result = await xui_service.add_xui_client(
             db,
             panel,
             protocol=protocol,
@@ -305,12 +306,153 @@ async def create_xui_client_from_clients(
             f"/admin/clients?flash=error:{exc}",
             status_code=status.HTTP_303_SEE_OTHER,
         )
+    site_id = result.get("site_client_id")
+    if site_id:
+        return RedirectResponse(
+            f"/admin/clients/xui/{site_id}?flash=created",
+            status_code=status.HTTP_303_SEE_OTHER,
+        )
     return RedirectResponse(
         "/admin/clients?flash=created",
         status_code=status.HTTP_303_SEE_OTHER,
     )
 
 
+@router.get("/clients/xui/{site_client_id}", response_class=HTMLResponse)
+async def xui_site_client_detail(
+    site_client_id: int,
+    request: Request,
+    db: AsyncSession = Depends(get_db),
+    admin=Depends(require_admin),
+):
+    if _is_redirect(admin):
+        return admin
+    row = await xui_service.get_site_client(db, site_client_id)
+    if not row:
+        return RedirectResponse("/admin/clients", status_code=status.HTTP_303_SEE_OTHER)
+    stem, config = await xui_service.site_client_download_payload(row)
+    return request.app.state.templates.TemplateResponse(
+        "admin/xui_client_detail.html",
+        {
+            "request": request,
+            "admin": admin,
+            "client": row,
+            "config": config,
+            "filename_stem": stem,
+            "app_name": request.app.state.settings.app_name,
+            "flash": request.query_params.get("flash"),
+        },
+    )
+
+
+@router.get("/clients/xui/{site_client_id}/config")
+async def xui_site_client_config(
+    site_client_id: int,
+    db: AsyncSession = Depends(get_db),
+    admin=Depends(require_admin),
+):
+    if _is_redirect(admin):
+        return admin
+    row = await xui_service.get_site_client(db, site_client_id)
+    if not row:
+        return RedirectResponse("/admin/clients", status_code=status.HTTP_303_SEE_OTHER)
+    stem, config = await xui_service.site_client_download_payload(row)
+    if not config:
+        return RedirectResponse(
+            f"/admin/clients/xui/{site_client_id}?flash=error:Нет конфига",
+            status_code=status.HTTP_303_SEE_OTHER,
+        )
+    ext = "conf" if row.protocol == "wireguard" else "txt"
+    return Response(
+        content=config,
+        media_type="text/plain",
+        headers={"Content-Disposition": f'attachment; filename="{stem}.{ext}"'},
+    )
+
+
+@router.get("/clients/xui/{site_client_id}/qr")
+async def xui_site_client_qr(
+    site_client_id: int,
+    db: AsyncSession = Depends(get_db),
+    admin=Depends(require_admin),
+):
+    if _is_redirect(admin):
+        return admin
+    row = await xui_service.get_site_client(db, site_client_id)
+    if not row:
+        return RedirectResponse("/admin/clients", status_code=status.HTTP_303_SEE_OTHER)
+    _, config = await xui_service.site_client_download_payload(row)
+    if not config:
+        return Response(status_code=404)
+    img = qrcode.make(config)
+    buf = io.BytesIO()
+    img.save(buf, format="PNG")
+    buf.seek(0)
+    return StreamingResponse(buf, media_type="image/png")
+
+
+@router.get("/clients/xui/{site_client_id}/zip")
+async def xui_site_client_zip(
+    site_client_id: int,
+    db: AsyncSession = Depends(get_db),
+    admin=Depends(require_admin),
+):
+    if _is_redirect(admin):
+        return admin
+    row = await xui_service.get_site_client(db, site_client_id)
+    if not row:
+        return RedirectResponse("/admin/clients", status_code=status.HTTP_303_SEE_OTHER)
+    stem, config = await xui_service.site_client_download_payload(row)
+    if not config:
+        return RedirectResponse(
+            f"/admin/clients/xui/{site_client_id}?flash=error:Нет конфига",
+            status_code=status.HTTP_303_SEE_OTHER,
+        )
+    ext = "conf" if row.protocol == "wireguard" else "txt"
+    buf = io.BytesIO()
+    with zipfile.ZipFile(buf, "w", compression=zipfile.ZIP_DEFLATED) as zf:
+        zf.writestr(f"{stem}.{ext}", config)
+        if row.protocol == "wireguard":
+            zf.writestr(
+                f"{stem}-info.txt",
+                "\n".join(
+                    [
+                        f"Email: {row.email}",
+                        f"Protocol: {row.protocol}",
+                        f"Address: {row.address or ''}",
+                        f"Endpoint: {row.endpoint or ''}",
+                        f"DNS: {row.dns or ''}",
+                        f"MTU: {row.mtu or ''}",
+                        f"Panel: {row.panel.name if row.panel else ''}",
+                        "",
+                        "Import the .conf into WireGuard / AmneziaWG, or scan the QR on the panel.",
+                        "",
+                    ]
+                ),
+            )
+        else:
+            zf.writestr(
+                f"{stem}-info.txt",
+                "\n".join(
+                    [
+                        f"Email: {row.email}",
+                        f"Protocol: {row.protocol}",
+                        f"UUID: {row.uuid or ''}",
+                        f"Flow: {row.flow or ''}",
+                        "",
+                        "Import the link into a VLESS client, or scan the QR on the panel.",
+                        "",
+                    ]
+                ),
+            )
+    buf.seek(0)
+    return Response(
+        content=buf.getvalue(),
+        media_type="application/zip",
+        headers={"Content-Disposition": f'attachment; filename="{stem}.zip"'},
+    )
+
+
 @router.post("/clients/{client_id}/toggle")
 async def toggle_client(
     client_id: int,