Added sound notification for login failure and custom font for the login

gui

lib/DB/UserManager.py

@@ -1,10 +1,9 @@
 from .DbManager import DbManager
 from ..PyqcrmFlags import PyqcrmFlags
 from ..Vermasseln import Vermasseln
-import mariadb
+from PySide6.QtMultimedia import QMediaPlayer, QAudioOutput
 from .UserDAO import UserDAO
-from PySide6.QtCore import Slot, QObject, Signal
-
+from PySide6.QtCore import Slot, QObject, Signal, QUrl
 
 
 class UserManager(QObject):
@@ -53,11 +52,18 @@ class UserManager(QObject):
         user = UserDAO().getUser(username)
         if user:
             self.__checkPassword(password, user[2])
+        else:
+            player = QMediaPlayer(self)
+            audioOutput = QAudioOutput(self)
+            player.setAudioOutput(audioOutput)
+            player.setSource(QUrl("qrc:/sounds/fail2c.ogg"))
+            audioOutput.setVolume(150)
+            player.play()
 
     def __checkPassword(self, password, hash_password):
-        pwList = hash_password.split("$")
+        pw_list = hash_password.split("$")
 
-        hash_Pw = Vermasseln.userPasswordHash(password, pwList[0])
-        if hash_password == hash_Pw:
+        hash_pw = Vermasseln.userPasswordHash(password, pw_list[0])
+        if hash_password == hash_pw:
             self.loginOkay.emit()