Dashboard: boutons restart services, JH-Photomaton et reboot Pi

backend/api/system_api.py

@@ -79,7 +79,6 @@ async def set_delete_button(request: Request, visible: bool):
     Écrit userdata/private.css puis redémarre photobooth-app pour que le CSS
     soit pris en compte.
     """
-    import asyncio, subprocess
     pb = request.app.state.photobooth_service
     config_svc = request.app.state.config_service
 
@@ -93,7 +92,6 @@ async def set_delete_button(request: Request, visible: bool):
 
 
 async def _restart_photobooth():
-    import asyncio
     await asyncio.sleep(0.5)
     proc = await asyncio.create_subprocess_exec(
         "sudo", "systemctl", "restart", "photobooth-app.service",
@@ -107,11 +105,71 @@ async def _restart_photobooth():
 @router.post("/system/restart-photobooth")
 async def restart_photobooth(request: Request):
     """Redémarre photobooth-app.service pour recharger la config (actions, etc.)."""
-    import asyncio
     asyncio.create_task(_restart_photobooth())
     return {"ok": True, "message": "Redémarrage de photobooth-app en cours…"}
 
 
+# ── Gestion services & système ────────────────────────────────────────────────
+
+@router.get("/system/ping")
+async def ping():
+    """Endpoint de health-check — utilisé par le polling de reconnexion côté client."""
+    return {"ok": True}
+
+
+@router.post("/system/service/{name}/restart")
+async def restart_service(name: str):
+    """Redémarre un service systemd autorisé."""
+    if name not in _ALLOWED_SERVICES:
+        return JSONResponse({"ok": False, "error": f"Service '{name}' non autorisé"}, status_code=403)
+    asyncio.create_task(_run_systemctl_restart(name))
+    return {"ok": True, "message": f"Redémarrage de {name} en cours…"}
+
+
+async def _run_systemctl_restart(name: str):
+    proc = await asyncio.create_subprocess_exec(
+        "sudo", "systemctl", "restart", f"{name}.service",
+        stdout=asyncio.subprocess.DEVNULL,
+        stderr=asyncio.subprocess.DEVNULL,
+    )
+    await proc.wait()
+    logger.info("%s redémarré (exit %d)", name, proc.returncode)
+
+
+@router.post("/system/restart-self")
+async def restart_self():
+    """Redémarre le service jh-photomaton lui-même (avec délai pour que la réponse parte d'abord)."""
+    asyncio.create_task(_restart_self_delayed())
+    return {"ok": True, "message": "Redémarrage de JH-Photomaton en cours…"}
+
+
+async def _restart_self_delayed():
+    await asyncio.sleep(1.5)
+    proc = await asyncio.create_subprocess_exec(
+        "sudo", "systemctl", "restart", "jh-photomaton.service",
+        stdout=asyncio.subprocess.DEVNULL,
+        stderr=asyncio.subprocess.DEVNULL,
+    )
+    await proc.wait()
+
+
+@router.post("/system/reboot")
+async def reboot_pi():
+    """Redémarre le Raspberry Pi (avec délai pour que la réponse parte d'abord)."""
+    asyncio.create_task(_reboot_delayed())
+    return {"ok": True, "message": "Redémarrage du Pi en cours…"}
+
+
+async def _reboot_delayed():
+    await asyncio.sleep(2)
+    proc = await asyncio.create_subprocess_exec(
+        "sudo", "reboot",
+        stdout=asyncio.subprocess.DEVNULL,
+        stderr=asyncio.subprocess.DEVNULL,
+    )
+    await proc.wait()
+
+
 @router.post("/system/screen/refresh")
 async def screen_refresh(request: Request):
     """Envoie F5 à l'écran HDMI connecté (Chromium kiosque Wayland/X11)."""