init

backend/app/models.py

@@ -0,0 +1,44 @@
+"""Датаклассы строк БД и статусов рекордера."""
+from __future__ import annotations
+
+from dataclasses import asdict, dataclass
+from enum import Enum
+
+
+class CameraState(str, Enum):
+    ONLINE = "online"       # ffmpeg пишет
+    RETRYING = "retrying"   # упал, ждём перезапуск (backoff)
+    OFFLINE = "offline"     # выключена/остановлена
+    STARTING = "starting"
+
+
+@dataclass
+class Recording:
+    id: int
+    camera_id: str
+    path: str
+    started_at: int
+    ended_at: int | None
+    duration_s: float | None
+    size_bytes: int | None
+    created_at: int
+
+    def to_dict(self) -> dict:
+        return asdict(self)
+
+
+@dataclass
+class CameraStatus:
+    camera_id: str
+    name: str
+    enabled: bool
+    state: CameraState
+    last_error: str | None = None
+    restarts: int = 0
+    pid: int | None = None
+    since: int | None = None       # unix-время входа в текущее состояние
+
+    def to_dict(self) -> dict:
+        d = asdict(self)
+        d["state"] = self.state.value
+        return d