Add a new dialog to get database settings. Fixes: #5

Added a new dialog for database settings.
Updated dbConfig to use QSettings.

lib/dbConfig.py

@@ -1,6 +1,6 @@
-from datetime import date, datetime
-from decimal import Decimal
+from datetime import date
 
+from PySide6.QtCore import QSettings
 from pony.orm import (  # type: ignore[import-untyped]
     Database,
     LongStr,
@@ -11,11 +11,8 @@ from pony.orm import (  # type: ignore[import-untyped]
     set_sql_debug,
 )
 
-db = Database
-
 db = Database()
 
-
 class Cases(db.Entity):  # type: ignore[name-defined]
     case_id = PrimaryKey(int, auto=True)
     docket_id = Required(str)
@@ -50,13 +47,18 @@ class History(db.Entity):  # type: ignore[name-defined]
     number = Required(int)
 
 
-set_sql_debug(True)
-db.bind(
-    provider="mysql",
-    user="scotus",
-    host="ceph5",
-    database="scotus",
-    password="lechOtvirf8Om/",
-)
-db.generate_mapping(create_tables=True)
-db.disconnect()
+def updateDatabase(settings: QSettings) -> None:
+    set_sql_debug(True)
+    engine = settings.value('engine')
+    if engine not in ['QMYSQL', 'MARIADB']:
+        raise Exception(f"Unknown database engine: {engine}")
+    db.bind(
+        provider="mysql",
+        user=settings.value('user'),
+        host=settings.value('hostname'),
+        database=settings.value('databasename'),
+        password=settings.value('password'),
+    )
+    db.generate_mapping(create_tables=True)
+    db.disconnect()
+    return