New supervision

- using fastAPI
- offline/online working
- warning if ZABBIX API is too long
- showing settings
- showing last ack message
- showing procedure
- menu split by SU team

utils/__init__.py

@@ -0,0 +1,43 @@
+import json
+import os
+from datetime import datetime, timedelta
+from typing import Any, Dict
+
+import aiofiles
+import aiofiles.os as async_os
+
+
+async def write_json_file(file_path: str, data: Any) -> None:
+    await async_os.makedirs(os.path.dirname(file_path), exist_ok=True)
+    json_data = json.dumps(data, indent=4)
+    async with aiofiles.open(file_path, mode="w") as file:
+        await file.write(json_data)
+
+
+async def read_json_file(filepath: str) -> Dict[str, Any]:
+    try:
+        async with aiofiles.open(filepath, "r") as file:
+            content = await file.read()
+            return json.loads(content)
+    except FileNotFoundError:
+        return {}
+
+
+def time_since_event(event_time: datetime) -> str:
+    now: datetime = datetime.now()
+    time_difference: timedelta = now - event_time
+    days: int = time_difference.days
+    seconds: int = time_difference.seconds
+
+    if days > 0:
+        return f"{days} day(s)"
+
+    hours: int = seconds // 3600
+    if hours > 0:
+        return f"{hours} hour(s)"
+
+    minutes: int = (seconds % 3600) // 60
+    if minutes > 0:
+        return f"{minutes} minute(s)"
+
+    return f"{seconds} second(s)"