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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(time_t t)
+{
+ GDateTime * gdt = g_date_time_new_from_unix_local(t);
+ reset(gdt);
+ g_date_time_unref(gdt);
+}
+
+DateTime DateTime::NowLocal()
+{
+ GDateTime * gdt = g_date_time_new_now_local();
+ 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;
+}
+
+GDateTime* DateTime::get() const
+{
+ g_assert(m_dt);
+ return m_dt.get();
+}
+
+std::string DateTime::format(const std::string& fmt) const
+{
+ const auto str = g_date_time_format(get(), fmt.c_str());
+ std::string ret = str;
+ g_free(str);
+ return ret;
+}
+
+int DateTime::day_of_month() const
+{
+ return g_date_time_get_day_of_month(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 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;
+}
+
+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