Refactor bot and integrate services

services/backup.py

@@ -0,0 +1,58 @@
+from datetime import datetime, timezone
+from typing import Optional
+import json
+import subprocess
+from services.runner import run_cmd
+
+
+def backup_badge(last_time: datetime) -> str:
+    age = datetime.now(timezone.utc) - last_time
+    hours = age.total_seconds() / 3600
+
+    if hours < 24:
+        return "🟢 Backup: OK"
+    if hours < 72:
+        return "🟡 Backup: stale"
+    return "🔴 Backup: OLD"
+
+
+async def get_last_snapshot() -> Optional[dict]:
+    rc, raw = await run_cmd(
+        ["restic", "snapshots", "--json"],
+        use_restic_env=True,
+        timeout=20
+    )
+    if rc != 0:
+        return None
+
+    snaps = json.loads(raw)
+    if not snaps:
+        return None
+
+    snaps.sort(key=lambda s: s["time"], reverse=True)
+    return snaps[0]
+
+
+def last_backup() -> str:
+    out = subprocess.check_output(
+        ["restic", "snapshots", "--json"],
+        env=None
+    ).decode()
+    snaps = json.loads(out)
+    snaps.sort(key=lambda s: s["time"], reverse=True)
+    s = snaps[0]
+    t = datetime.fromisoformat(s["time"].replace("Z", ""))
+    return (
+        "📦 Last backup\n\n"
+        f"🕒 {t:%Y-%m-%d %H:%M}\n"
+        f"🧉 ID: {s['short_id']}\n"
+        f"📁 Paths: {len(s['paths'])}"
+    )
+
+
+def restore_help() -> str:
+    return (
+        "🧯 Restore help\n\n"
+        "Example:\n"
+        "restic restore <snapshot_id> --target /restore"
+    )