pgadmin3/pgscript/generators/pgsDateTimeGen.cpp
2020-07-07 22:19:12 +05:00

62 lines
1.8 KiB
C++

//////////////////////////////////////////////////////////////////////////
//
// pgScript - PostgreSQL Tools
//
// Copyright (C) 2002 - 2016, The pgAdmin Development Team
// This software is released under the PostgreSQL Licence
//
//////////////////////////////////////////////////////////////////////////
#include "pgAdmin3.h"
#include "pgscript/generators/pgsDateTimeGen.h"
#include <string>
pgsDateTimeGen::pgsDateTimeGen(wxDateTime min, wxDateTime max,
const bool &sequence, const long &seed) :
pgsObjectGen(seed), m_min(min.IsEarlierThan(max) || min.IsEqualTo(max) ? min : max),
m_max(max.IsLaterThan(min) || max.IsEqualTo(min) ? max : min),
m_range(m_max.Subtract(m_min).GetSeconds()), m_sequence(sequence)
{
m_randomizer = pgsRandomizer(pnew pgsIntegerGen(0, std::string(m_range
.ToString().mb_str()).c_str(), is_sequence(), m_seed));
}
bool pgsDateTimeGen::is_sequence() const
{
return m_sequence;
}
wxString pgsDateTimeGen::random()
{
// Get a random number representing seconds
MAPM result = pgsMapm::pgs_str_mapm(m_randomizer->random()), quot, rem;
// Use hours and seconds for avoiding overflows of seconds
result.integer_div_rem(3600, quot, rem);
long hours, seconds;
pgsMapm::pgs_mapm_str(quot, true).ToLong(&hours);
pgsMapm::pgs_mapm_str(rem, true).ToLong(&seconds);
wxTimeSpan time_span(hours, 0, seconds, 0);
// Add the TimeSpan to the MinDate
wxDateTime aux_min(m_min);
aux_min.Add(time_span);
// Post conditions
wxASSERT(aux_min.IsLaterThan(m_min) || aux_min.IsEqualTo(m_min));
wxASSERT(aux_min.IsEarlierThan(m_max) || aux_min.IsEqualTo(m_max));
return aux_min.Format(wxT("%Y-%m-%d %H:%M:%S"));
}
pgsDateTimeGen::~pgsDateTimeGen()
{
}
pgsDateTimeGen *pgsDateTimeGen::clone()
{
return pnew pgsDateTimeGen(*this);
}