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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>
*/
#include <datetime/date-time.h>
namespace unity {
namespace indicator {
namespace datetime {
/***
****
***/
DateTime::DateTime(GDateTime* gdt)
{
reset(gdt);
}
DateTime& DateTime::operator=(GDateTime* gdt)
{
reset(gdt);
return *this;
}
DateTime& DateTime::operator=(const DateTime& that)
{
m_dt = that.m_dt;
return *this;
}
DateTime::DateTime(time_t t)
{
auto gdt = g_date_time_new_from_unix_local(t);
reset(gdt);
g_date_time_unref(gdt);
}
DateTime DateTime::NowLocal()
{
auto gdt = g_date_time_new_now_local();
DateTime dt(gdt);
g_date_time_unref(gdt);
return dt;
}
DateTime DateTime::Local(int year, int month, int day, int hour, int minute, int seconds)
{
auto gdt = g_date_time_new_local (year, month, day, hour, minute, seconds);
DateTime dt(gdt);
g_date_time_unref(gdt);
return dt;
}
DateTime DateTime::to_timezone(const std::string& zone) const
{
auto gtz = g_time_zone_new(zone.c_str());
auto gdt = g_date_time_to_timezone(get(), gtz);
DateTime dt(gdt);
g_time_zone_unref(gtz);
g_date_time_unref(gdt);
return dt;
}
DateTime DateTime::add_full(int years, int months, int days, int hours, int minutes, double seconds) const
{
auto gdt = g_date_time_add_full(get(), years, months, days, hours, minutes, seconds);
DateTime dt(gdt);
g_date_time_unref(gdt);
return dt;
}
GDateTime* DateTime::get() const
{
g_assert(m_dt);
return m_dt.get();
}
std::string DateTime::format(const std::string& fmt) const
{
std::string ret;
gchar* str = g_date_time_format(get(), fmt.c_str());
if (str)
{
ret = str;
g_free(str);
}
return ret;
}
void DateTime::ymd(int& year, int& month, int& day) const
{
g_date_time_get_ymd(get(), &year, &month, &day);
}
int DateTime::day_of_month() const
{
return g_date_time_get_day_of_month(get());
}
int DateTime::hour() const
{
return g_date_time_get_hour(get());
}
int DateTime::minute() const
{
return g_date_time_get_minute(get());
}
double DateTime::seconds() const
{
return g_date_time_get_seconds(get());
}
int64_t DateTime::to_unix() const
{
return g_date_time_to_unix(get());
}
void DateTime::reset(GDateTime* in)
{
if (in)
{
auto deleter = [](GDateTime* dt){g_date_time_unref(dt);};
m_dt = std::shared_ptr<GDateTime>(g_date_time_ref(in), deleter);
g_assert(m_dt);
}
else
{
m_dt.reset();
}
}
bool DateTime::operator<(const DateTime& that) const
{
return g_date_time_compare(get(), that.get()) < 0;
}
bool DateTime::operator<=(const DateTime& that) const
{
return g_date_time_compare(get(), that.get()) <= 0;
}
bool DateTime::operator!=(const DateTime& that) const
{
// return true if this isn't set, or if it's not equal
return (!m_dt) || !(*this == that);
}
bool DateTime::operator==(const DateTime& that) const
{
auto dt = get();
auto tdt = that.get();
if (!dt && !tdt) return true;
if (!dt || !tdt) return false;
return g_date_time_compare(get(), that.get()) == 0;
}
int64_t DateTime::operator- (const DateTime& that) const
{
return g_date_time_difference(get(), that.get());
}
bool DateTime::is_same_day(const DateTime& a, const DateTime& b)
{
// it's meaningless to compare uninitialized dates
if (!a.m_dt || !b.m_dt)
return false;
const auto adt = a.get();
const auto bdt = b.get();
return (g_date_time_get_year(adt) == g_date_time_get_year(bdt))
&& (g_date_time_get_day_of_year(adt) == g_date_time_get_day_of_year(bdt));
}
bool DateTime::is_same_minute(const DateTime& a, const DateTime& b)
{
if (!is_same_day(a,b))
return false;
const auto adt = a.get();
const auto bdt = b.get();
return (g_date_time_get_hour(adt) == g_date_time_get_hour(bdt))
&& (g_date_time_get_minute(adt) == g_date_time_get_minute(bdt));
}
/***
****
***/
} // namespace datetime
} // namespace indicator
} // namespace unity
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