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#include "date.h"
#include <util/string/cast.h>
#include <util/generic/yexception.h>
#include <util/datetime/base.h>
time_t GetDateStart(time_t ts) {
tm dateTm;
memset(&dateTm, 0, sizeof(tm));
localtime_r(&ts, &dateTm);
dateTm.tm_isdst = -1;
dateTm.tm_sec = 0;
dateTm.tm_min = 0;
dateTm.tm_hour = 0;
return mktime(&dateTm);
}
static time_t ParseDate(const char* date, const char* format) {
tm dateTm;
memset(&dateTm, 0, sizeof(tm));
if (!strptime(date, format, &dateTm)) {
ythrow yexception() << "Invalid date string and format: " << date << ", " << format;
}
return mktime(&dateTm);
}
static time_t ParseDate(const char* dateStr) {
if (strlen(dateStr) != 8) {
ythrow yexception() << "Invalid date string: " << dateStr;
}
return ParseDate(dateStr, "%Y%m%d");
}
template <>
TDate FromStringImpl<TDate>(const char* data, size_t len) {
return TDate(ParseDate(TString(data, len).data()));
}
TDate::TDate(const char* yyyymmdd)
: Timestamp(GetDateStart(ParseDate(yyyymmdd)))
{
}
TDate::TDate(const TString& yyyymmdd)
: Timestamp(GetDateStart(ParseDate(yyyymmdd.c_str())))
{
}
TDate::TDate(time_t ts)
: Timestamp(GetDateStart(ts))
{
}
TDate::TDate(const TString& date, const TString& format)
: Timestamp(GetDateStart(ParseDate(date.data(), format.data())))
{
}
TDate::TDate(unsigned year, unsigned month, unsigned monthDay) {
tm dateTm;
Zero(dateTm);
dateTm.tm_year = year - 1900;
dateTm.tm_mon = month - 1;
dateTm.tm_mday = monthDay;
dateTm.tm_isdst = -1;
Timestamp = mktime(&dateTm);
if (Timestamp == (time_t)-1) {
ythrow yexception() << "Invalid TDate args:(" << year << ',' << month << ',' << monthDay << ')';
}
}
time_t TDate::GetStartUTC() const {
tm dateTm;
localtime_r(&Timestamp, &dateTm);
dateTm.tm_isdst = -1;
dateTm.tm_sec = 0;
dateTm.tm_min = 0;
dateTm.tm_hour = 0;
return TimeGM(&dateTm);
}
TString TDate::ToStroka(const char* format) const {
tm dateTm;
localtime_r(&Timestamp, &dateTm);
return Strftime(format, &dateTm);
}
unsigned TDate::GetWeekDay() const {
tm dateTm;
localtime_r(&Timestamp, &dateTm);
return (unsigned)dateTm.tm_wday;
}
unsigned TDate::GetYear() const {
tm dateTm;
localtime_r(&Timestamp, &dateTm);
return ((unsigned)dateTm.tm_year) + 1900;
}
unsigned TDate::GetMonth() const {
tm dateTm;
localtime_r(&Timestamp, &dateTm);
return ((unsigned)dateTm.tm_mon) + 1;
}
unsigned TDate::GetMonthDay() const {
tm dateTm;
localtime_r(&Timestamp, &dateTm);
return (unsigned)dateTm.tm_mday;
}
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