init

backend/app/api/system.py

@@ -0,0 +1,60 @@
+"""REST: системная статистика и сводный статус."""
+from __future__ import annotations
+
+import os
+
+from fastapi import APIRouter, HTTPException, Request
+
+from ..auth import require_role
+from ..config import Storage, save_config
+from ..runtime import runtime
+from ..services.system import system_stats
+
+router = APIRouter(prefix="/api", tags=["system"])
+
+ALLOWED_SEGMENTS = (60, 120, 300, 600, 900)   # 1 / 2 / 5 / 10 / 15 минут
+VERSION_FILE = os.environ.get("NVR_VERSION_FILE", "/app/VERSION")
+
+
+def app_version() -> str:
+    try:
+        with open(VERSION_FILE, "r", encoding="utf-8") as fh:
+            return fh.read().strip()
+    except OSError:
+        return "0.0.0"
+
+
+@router.get("/system")
+async def get_system() -> dict:
+    stats = system_stats(runtime.config)
+    stats["cameras"] = [s.to_dict() for s in runtime.supervisor.statuses()]
+    stats["archive_size_bytes"] = await runtime.db.total_size()
+    stats["version"] = app_version()
+    return stats
+
+
+@router.get("/health")
+async def health() -> dict:
+    return {"status": "ok"}
+
+
+@router.post("/storage")
+async def update_storage(request: Request) -> dict:
+    """Смена размера сегмента записи (1/5/10/15 мин). Перезапускает рекордеры."""
+    require_role(request, "admin")
+    body = await request.json()
+    try:
+        seg = int(body.get("segment_seconds"))
+    except (TypeError, ValueError):
+        raise HTTPException(400, "segment_seconds должен быть числом")
+    if seg not in ALLOWED_SEGMENTS:
+        raise HTTPException(400, "допустимо 60 / 300 / 600 / 900 секунд")
+
+    st = runtime.config.storage
+    runtime.config.storage = Storage(
+        path=st.path, quota_gb=st.quota_gb,
+        retention_days=st.retention_days, segment_seconds=seg,
+    )
+    save_config(runtime.config)
+    await runtime.supervisor.restart_all()
+    return {"segment_seconds": seg}