fixed: there were mktime() used on some dirs Items

so sometimes the time of the dir was changed

now for converting tm into time_t use:
time_t Time(const tm & par);
time_t Time(const tm * par);
tm     Time(time_t par);
from core/misc.h

now winix internally use GMT time
only when printing it is converted to local user time
temporarily all users use the same local time (config: time_zone_offset)
(only logs are genereted with local system time)

added to system:
time_t LocalTime(time_t gmt_time);
tm     LocalTime(const tm * ptm);
tm     LocalTime(const tm & ptm);
they convert GMT time to local user time




git-svn-id: svn://ttmath.org/publicrep/winix/trunk@666 e52654a7-88a9-db11-a3e9-0013d4bc506e

core/item.cpp

@@ -0,0 +1,63 @@
+/*
+ * This file is a part of Winix
+ * and is not publicly distributed
+ * 
+ * Copyright (c) 2010, Tomasz Sowa
+ * All rights reserved.
+ * 
+ */
+ 
+#include "item.h"
+#include "misc.h"
+
+
+
+Item::Item()
+{
+	Clear();
+}
+
+
+void Item::SetDateToNow()
+{
+	date_creation     = Time(std::time(0));
+	date_modification = date_creation;
+}
+
+
+void Item::SetDateModifyToNow()
+{
+	date_modification = Time(std::time(0));
+}
+
+
+void Item::Clear()
+{
+	id = -1;
+	
+	user_id = -1;
+	group_id = -1;
+	privileges = 0;
+	modification_user_id = -1;
+
+	guest_name.clear();
+	
+	subject.clear();
+	content.clear();
+	url.clear();	
+	
+	content_type = ct_formatted_text;
+	
+	type = none;
+	parent_id = -1;
+	default_item = -1;
+
+	content_id = -1;
+
+	auth = auth_none;
+	auth_path.clear();
+
+	html_template.clear();
+
+	SetDateToNow();
+}