Fixed first start configuration load and add city model in add customer

main.py

@@ -26,6 +26,26 @@ from lib.DB.AddressModel import AddressModel
 # name=""
 # type=""
 
+am = None
+bm = None
+user = None
+
+def initializeProgram():
+    global am, bad_config, bm, user
+    dbconf = config.getConfig()['database']
+    DbManager(dbconf)
+    bad_config = False
+    bm = BusinessModel()
+    user = UserManager()
+    am = AddressModel()
+
+    publishContext()
+
+def publishContext():
+    global engine
+    engine.rootContext().setContextProperty("loggedin_user", user)
+    engine.rootContext().setContextProperty("bm", bm)
+    engine.rootContext().setContextProperty("am", am)
 
 if __name__ == "__main__":
     #QResource.registerResource("rc_qml.py")
@@ -50,21 +70,13 @@ if __name__ == "__main__":
 
     if not config.getConfig():
         bad_config = True
-        bm = False
+        config.configurationReady.connect(initializeProgram)
+
     else:
-        dbconf = config.getConfig()['database']
-        DbManager(dbconf)
-        bm = BusinessModel()
-        user = UserManager()
-        am = AddressModel()
+        initializeProgram()
 
-        #print(con is con2)
-
-    engine.rootContext().setContextProperty("bm", bm)
-    engine.rootContext().setContextProperty("am", am)
     engine.rootContext().setContextProperty("bad_config", bad_config) #     print(f"Fehler: {i}")
     engine.rootContext().setContextProperty("config", config)
-    engine.rootContext().setContextProperty("loggedin_user", user)
     engine.load(qml_file)