WIP: remove the old database abstraction layer

remove such classes:
- DbBase
- DbConn
- DbTextStream
- Db

while here:
- remove: TextStream, SLog, TexTextStream

winixd/plugins/mailregister/init.cpp

@@ -5,7 +5,7 @@
  */
 
 /* 
- * Copyright (c) 2016-2021, Tomasz Sowa
+ * Copyright (c) 2016-2024, Tomasz Sowa
  * All rights reserved.
  * 
  * Redistribution and use in source and binary forms, with or without
@@ -34,12 +34,15 @@
  
 
 #include "core/log.h"
+#include "core/misc.h"
 #include "core/plugin.h"
 #include "mdb.h"
 #include "funregistermail.h"
 #include "registermail_info.h"
 #include "funregistermail_showusers.h"
 #include "functions/functions.h"
+#include "models/migration.h"
+
 
 
 namespace Winix
@@ -158,6 +161,19 @@ void InitPlugin(PluginInfo & info)
 }
 
 
+void DatabaseMigration(PluginInfo & info)
+{
+	bool ok = true;
+	RegisterMail register_mail;
+
+	ok = ok && Migration::do_migration(info.model_connector, register_mail);
+
+	info.res = ok;
+}
+
+
+
+
 void AddEzcFunctions(PluginInfo & info);
 
 } // namespace
@@ -170,25 +186,20 @@ void Init(PluginInfo & info)
 {
 using namespace MailRegister;
 
-	mdb.SetConn(info.db->GetConn());
-	mdb.LogQueries(info.config->log_db_query);
-
 	fun_rm.SetMDb(&mdb);
 	fun_rm.SetInfo(&rm_info);
 
 	fun_rm_showusers.SetMDb(&mdb);
 	fun_rm_showusers.SetInfo(&rm_info);
 
-	info.plugin->Assign(WINIX_TEMPLATES_CREATEFUNCTIONS,		AddEzcFunctions);
+	info.plugin->Assign(WINIX_TEMPLATES_CREATEFUNCTIONS,	AddEzcFunctions);
+	info.plugin->Assign(WINIX_MAKE_DATABASE_MIGRATION,		DatabaseMigration);
 	info.plugin->Assign(WINIX_CREATE_FUNCTIONS,				AddWinixFunctions);
 
 	info.plugin->Assign(WINIX_PLUGIN_INIT,					InitPlugin);
 	info.plugin->Assign(WINIX_PROCESS_REQUEST,				ProcessRequest);
 
-
-
 	info.p1 = (void*)(plugin_name);
-
 }