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#include "StudyRecord.h"
#include "StudySettings.h"
#include "../utils/TimeProvider.h"
ostream& operator<<(ostream& os, const StudyRecord& study)
{
if(study.date <= QDateTime::currentDateTime())
{
const char* dateStr = study.date.toString(Qt::ISODate).toStdString().c_str();
os << "(" << dateStr <<
", g" << study.grade << ", e" << study.easiness << ", " <<
"i" << study.interval << ")";
}
else
os << "(New card)";
return os;
}
// Create "new" study record
StudyRecord::StudyRecord():
date(QDateTime()),
level(New),
interval(0),
grade(Unknown),
easiness(StudySettings::inst()->initEasiness),
recallTime(0),
answerTime(0)
{
}
StudyRecord::StudyRecord(int level, int grade, double easiness, double interval):
date(QDateTime()),
recallTime(0),
answerTime(0)
{
this->level = level;
this->interval = interval;
this->grade = grade;
this->easiness = easiness;
}
bool StudyRecord::operator==(const StudyRecord& aOther) const
{
return level == aOther.level &&
date == aOther.date &&
interval == aOther.interval &&
grade == aOther.grade &&
easiness == aOther.easiness;
}
bool StudyRecord::timeTriggered() const
{
if(date.isNull())
return false;
QDateTime nextRepetition = date.addSecs( (int)(interval * 60*60*24) );
return nextRepetition <= TimeProvider::get();
}
int StudyRecord::getSecsToNextRepetition() const
{
if(date.isNull())
return 0;
QDateTime nextRepetition = date.addSecs( (int)(interval * 60*60*24) );
return TimeProvider::get().secsTo(nextRepetition);
}
bool StudyRecord::isOneDayOld() const
{
return date.secsTo(TimeProvider::get()) / (60*60*24.) >=
StudySettings::inst()->nextDayInterval;
}
bool StudyRecord::isLearning() const
{
return (level == ShortLearning || level == LongLearning) &&
!isOneDayOld();
}
int StudyRecord::getScheduledTodayReviews() const
{
switch(level)
{
case New:
return 3;
case ShortLearning:
return 2;
case LongLearning:
return 1;
default:
return 0;
}
}
bool StudyRecord::isReviewedToday() const
{
QDateTime recShiftedDate = shiftedDate(date);
QDateTime curShiftedDate = shiftedDate(QDateTime::currentDateTime());
return recShiftedDate.date() == curShiftedDate.date();
}
bool StudyRecord::isActivatedToday() const
{
if(date.isNull())
return false;
QDateTime nextRepetition = date.addSecs( (int)(interval * 60*60*24) );
QDateTime shiftedNextRep = shiftedDate(nextRepetition);
QDateTime curShiftedDate = shiftedDate(QDateTime::currentDateTime());
return shiftedNextRep.date() <= curShiftedDate.date();
}
QDateTime StudyRecord::shiftedDate(const QDateTime& aDate)
{
return aDate.addSecs(-60 * 60 * StudySettings::inst()->dayShift);
}
void StudyRecord::setRecallTime(double time)
{
recallTime = time;
if(recallTime > MaxAnswerTime)
recallTime = MaxAnswerTime;
}
void StudyRecord::setAnswerTime(double time)
{
answerTime = time;
if(answerTime > MaxAnswerTime)
answerTime = MaxAnswerTime;
}
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