4 files changed, 193 insertions, 19 deletions

diff --git a/libopie2/opiepim/core/orecur.cpp b/libopie2/opiepim/core/orecur.cpp
index daf3506..e6a4787 100644
--- a/libopie2/opiepim/core/orecur.cpp
+++ b/libopie2/opiepim/core/orecur.cpp
@@ -7,23 +7,23 @@
 struct ORecur::Data : public QShared {
     Data() : QShared() {
         type = ORecur::NoRepeat;
         freq = -1;
         days = 0;
         pos = 0;
-        create = -1;
+        create = QDateTime::currentDateTime();
         hasEnd = FALSE;
-        end = 0;
+        end = QDate::currentDate();
     }
     char days; // Q_UINT8 for 8 seven days;)
     ORecur::RepeatType type;
     int freq;
     int pos;
     bool hasEnd : 1;
-    time_t end;
-    time_t create;
+    QDate end;
+    QDateTime create;
     int rep;
     QString app;
     ExceptionList list;
     QDate start;
 };
 
@@ -49,12 +49,14 @@ void ORecur::deref() {
     }
 }
 bool ORecur::operator==( const ORecur& )const {
     return false;
 }
 ORecur &ORecur::operator=( const ORecur& re) {
+    if ( *this == re ) return *this;
+
     re.data->ref();
     deref();
     data = re.data;
 
     return *this;
 }
@@ -363,21 +365,18 @@ char ORecur::days() const{
     return data->days;
 }
 bool ORecur::hasEndDate()const {
     return data->hasEnd;
 }
 QDate ORecur::endDate()const {
-    return TimeConversion::fromUTC( data->end ).date();
+    return data->end;
 }
 QDate ORecur::start()const{
     return data->start;
 }
-time_t ORecur::endDateUTC()const {
-    return data->end;
-}
-time_t ORecur::createTime()const {
+QDateTime ORecur::createdDateTime()const {
     return data->create;
 }
 int ORecur::repetition()const {
     return data->rep;
 }
 QString ORecur::service()const {
@@ -401,19 +400,15 @@ void ORecur::setPosition( int pos ) {
 void ORecur::setDays( char c ) {
     checkOrModify();
     data->days = c;
 }
 void ORecur::setEndDate( const QDate& dt) {
     checkOrModify();
-    data->end = TimeConversion::toUTC( dt );
-}
-void ORecur::setEndDateUTC( time_t t) {
-    checkOrModify();
-    data->end = t;
+    data->end = dt;
 }
-void ORecur::setCreateTime( time_t t) {
+void ORecur::setCreatedDateTime( const QDateTime& t) {
     checkOrModify();
     data->create = t;
 }
 void ORecur::setHasEndDate( bool b) {
     checkOrModify();
     data->hasEnd = b;
diff --git a/libopie2/opiepim/core/orecur.h b/libopie2/opiepim/core/orecur.h
index 8713d97..1e0014b 100644
--- a/libopie2/opiepim/core/orecur.h
+++ b/libopie2/opiepim/core/orecur.h
@@ -32,19 +32,24 @@ public:
     int frequency()const;
     int position()const;
     char days()const;
     bool hasEndDate()const;
     QDate start()const;
     QDate endDate()const;
-    time_t endDateUTC()const;
-    time_t createTime()const;
+    QDateTime createdDateTime()const;
+    /**
+     * starting on monday=0, sunday=6
+     * for convience
+     */
+    bool repeatOnWeekDay( int day )const;
 
     /**
      * FromWhereToStart is not included!!!
      */
     bool nextOcurrence( const QDate& FromWhereToStart, QDate &recurDate );
+
     /**
      * The module this ORecur belongs to
      */
     QString service()const;
 
     /*
@@ -60,14 +65,13 @@ public:
     void setType( const RepeatType& );
     void setFrequency( int freq );
     void setPosition( int pos );
     void setDays( char c);
     void setEndDate( const QDate& dt );
     void setStart( const QDate& dt );
-    void setEndDateUTC( time_t );
-    void setCreateTime( time_t );
+    void setCreatedDateTime( const QDateTime& );
     void setHasEndDate( bool b );
     void setRepitition(int );
 
     void setService( const QString& ser );
 private:
     void deref();
diff --git a/libopie2/opiepim/core/otimezone.cpp b/libopie2/opiepim/core/otimezone.cpp
new file mode 100644
index 0000000..b2bd3aa
--- a/dev/null
+++ b/libopie2/opiepim/core/otimezone.cpp
@@ -0,0 +1,104 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <sys/types.h>
+
+#include "otimezone.h"
+
+namespace {
+
+    QDateTime utcTime( time_t t) {
+        tm* broken = ::gmtime( &t );
+        QDateTime ret;
+        ret.setDate( QDate( broken->tm_year + 1900, broken->tm_mon +1, broken->tm_mday ) );
+        ret.setTime( QTime( broken->tm_hour, broken->tm_min, broken->tm_sec ) );
+        return ret;
+    }
+    QDateTime utcTime( time_t t, const QString&  zone) {
+        QCString org = ::getenv( "TZ" );
+        ::setenv( "TZ", zone.latin1(), true );
+        ::tzset();
+
+        tm* broken = ::localtime( &t );
+        ::setenv( "TZ", org, true );
+
+        QDateTime ret;
+        ret.setDate( QDate( broken->tm_year + 1900, broken->tm_mon +1, broken->tm_mday ) );
+        ret.setTime( QTime( broken->tm_hour, broken->tm_min, broken->tm_sec ) );
+
+        return ret;
+    }
+    time_t to_Time_t( const QDateTime& utc, const QString& str ) {
+        QDate d = utc.date();
+        QTime t = utc.time();
+
+        tm broken;
+        broken.tm_year = d.year()  - 1900;
+        broken.tm_mon  = d.month() - 1;
+        broken.tm_mday = d.day();
+        broken.tm_hour = t.hour();
+        broken.tm_min  = t.minute();
+        broken.tm_sec = t.second();
+
+        QCString org = ::getenv( "TZ" );
+        ::setenv( "TZ", str.latin1(), true );
+        ::tzset();
+
+        time_t ti = ::mktime( &broken );
+        ::setenv( "TZ", org, true );
+
+        return ti;
+    }
+}
+OTimeZone::OTimeZone( const ZoneName& zone )
+    : m_name(zone) {
+}
+OTimeZone::~OTimeZone() {
+}
+
+bool OTimeZone::isValid()const {
+    return !m_name.isEmpty();
+}
+
+/*
+ * we will get the current timezone
+ * and ask it to convert to the timezone date
+ */
+QDateTime OTimeZone::toLocalDateTime( const QDateTime& dt) {
+    return OTimeZone::current().toDateTime( dt, *this );
+}
+QDateTime OTimeZone::toUTCDateTime( const QDateTime& dt ) {
+    return OTimeZone::utc().toDateTime( dt, *this );
+}
+QDateTime OTimeZone::fromUTCDateTime( time_t t) {
+    return utcTime( t );
+}
+QDateTime OTimeZone::toDateTime( time_t t) {
+    return utcTime( t, m_name );
+}
+/*
+ * convert dt to utc using zone.m_name
+ * convert utc -> timeZoneDT using this->m_name
+ */
+QDateTime OTimeZone::toDateTime( const QDateTime& dt, const OTimeZone& zone ) {
+    time_t utc = to_Time_t( dt, zone.m_name );
+    qWarning("%d %s", utc, zone.m_name.latin1() );
+    return utcTime( utc, m_name );
+}
+time_t OTimeZone::fromDateTime( const QDateTime& time ) {
+    return to_Time_t( time, m_name );
+}
+time_t OTimeZone::fromUTCDateTime( const QDateTime& time ) {
+    return to_Time_t( time, "UTC" );
+}
+OTimeZone OTimeZone::current() {
+    QCString str = ::getenv("TZ");
+    OTimeZone zone( str );
+    return zone;
+}
+OTimeZone OTimeZone::utc() {
+    return OTimeZone("UTC");
+}
+QString OTimeZone::timeZone()const {
+    return m_name;
+}
diff --git a/libopie2/opiepim/core/otimezone.h b/libopie2/opiepim/core/otimezone.h
new file mode 100644
index 0000000..bb08349
--- a/dev/null
+++ b/libopie2/opiepim/core/otimezone.h
@@ -0,0 +1,71 @@
+#ifndef OPIE_TIME_ZONE_H
+#define OPIE_TIME_ZONE_H
+
+#include <time.h>
+#include <qdatetime.h>
+
+/**
+ * A very primitive class to convert time
+ * from one timezone to another
+ * and to localtime
+ * and time_t
+ */
+class OTimeZone {
+ public:
+    typedef QString ZoneName;
+    OTimeZone( const ZoneName&  = ZoneName::null );
+    virtual ~OTimeZone(); // just in case.
+
+    bool isValid()const;
+
+    /**
+     * converts the QDateTime to a DateTime
+     * in the local timezone
+     * if QDateTime is 25th Jan and takes place in Europe/Berlin at 12h
+     * and the current timezone is Europe/London the returned
+     * time will be 11h.
+     */
+    QDateTime toLocalDateTime( const QDateTime& dt );
+
+    /**
+     * converts the QDateTime to UTC time
+     */
+    QDateTime toUTCDateTime( const QDateTime& dt );
+
+    /**
+     * reads the time_t into a QDateTime using UTC as timezone!
+     */
+    QDateTime fromUTCDateTime( time_t );
+
+    /**
+     * converts the time_t to the time in the timezone
+     */
+    QDateTime toDateTime( time_t );
+
+    /**
+     * converts the QDateTime from one timezone to this timeZone
+     */
+    QDateTime toDateTime( const QDateTime&, const OTimeZone& timeZone );
+
+    /**
+     * converts the date time into a time_t. It takes the timezone into account
+     */
+    time_t fromDateTime( const QDateTime& );
+
+    /**
+     * converts the datetime with timezone UTC
+     */
+    time_t fromUTCDateTime( const QDateTime& );
+
+    static OTimeZone current();
+    static OTimeZone utc();
+
+    QString timeZone()const;
+ private:
+    ZoneName m_name;
+    class Private;
+    Private* d;
+};
+
+
+#endif