Basic database function implemented

util.py

@@ -8,6 +8,7 @@ import os
 import logging
 import traceback
 import datetime
+import hashlib
 
 import aioconsole
 
@@ -75,7 +76,7 @@ async def get_password() -> str | None:
         return None
     return await ainput("Matrix password: ")
 
-def date_to_text(date: datetime.datetime, dow: bool = True, seconds: bool = True) -> str:
+def date_to_text(date: datetime.datetime | float, dow: bool = True, seconds: bool = True) -> str:
     ''' Returns date as formatted string.
         Day of week can be added.
         Seconds can be added.
@@ -102,9 +103,14 @@ def date_to_text(date: datetime.datetime, dow: bool = True, seconds: bool = True
         ('Sat', 'Сб'),
         ('Sun', 'Вс')
     ]
-    result = date.strftime(format_string)
+    result = date.strftime(format_string) # type: ignore
     for en, ru in translate_map:
         if en in result:
             result = result.replace(en, ru)
             break
-    return result
+    return result
+
+def get_hash(data: bytes | str) -> str:
+    if type(data) is str:
+        data = data.encode(errors="ignore")
+    return hashlib.sha256(data).hexdigest() # type: ignore