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/*
* Copyright 2013 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3, as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authors:
* Charles Kerr <charles.kerr@canonical.com>
*/
#ifndef INDICATOR_DATETIME_DATETIME_H
#define INDICATOR_DATETIME_DATETIME_H
#include <glib.h> // GDateTime
#include <chrono>
#include <ctime> // time_t
#include <memory> // std::shared_ptr
namespace unity {
namespace indicator {
namespace datetime {
/**
* \brief A simple C++ wrapper for GDateTime to simplify ownership/refcounts
*/
class DateTime
{
public:
static DateTime NowLocal();
static DateTime Local(time_t);
static DateTime Local(int year, int month, int day, int hour, int minute, double seconds);
DateTime();
DateTime(GTimeZone* tz, time_t t);
DateTime(GTimeZone* tz, GDateTime* dt);
DateTime(GTimeZone* tz, int year, int month, int day, int hour, int minute, double seconds);
DateTime& operator=(const DateTime& in);
DateTime& operator+=(const std::chrono::minutes&);
DateTime& operator+=(const std::chrono::seconds&);
DateTime to_timezone(const std::string& zone) const;
DateTime start_of_month() const;
DateTime start_of_day() const;
DateTime start_of_minute() const;
DateTime end_of_day() const;
DateTime end_of_month() const;
DateTime add_days(int days) const;
DateTime add_full(int year, int month, int day, int hour, int minute, double seconds) const;
GDateTime* get() const;
GDateTime* operator()() const {return get();}
std::string format(const std::string& fmt) const;
void ymd(int& year, int& month, int& day) const;
int day_of_month() const;
int hour() const;
int minute() const;
double seconds() const;
int64_t to_unix() const;
bool operator<(const DateTime& that) const;
bool operator<=(const DateTime& that) const;
bool operator!=(const DateTime& that) const;
bool operator==(const DateTime& that) const;
int64_t operator- (const DateTime& that) const;
static bool is_same_day(const DateTime& a, const DateTime& b);
static bool is_same_minute(const DateTime& a, const DateTime& b);
bool is_set() const { return m_tz && m_dt; }
private:
void reset(GTimeZone*, GDateTime*);
std::shared_ptr<GTimeZone> m_tz;
std::shared_ptr<GDateTime> m_dt;
};
} // namespace datetime
} // namespace indicator
} // namespace unity
#endif // INDICATOR_DATETIME_DATETIME_H
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