public static int Index(int year, int month, int day)
{
ReadingDay first = _days[0];
DateTime firstDate = first._date;
DateTime secondDate = new DateTime(year, month, day);
return((int)(secondDate - firstDate).TotalDays);
}
public virtual object Copy()
{
ReadingDay copy = new ReadingDay(_date);
foreach( var reading in Readings )
{
copy += reading;
}
return copy;
}
public virtual object Copy()
{
ReadingDay copy = new ReadingDay(_date);
foreach (var reading in Readings)
{
copy += reading;
}
return(copy);
}
private static void InsertDaysTo(int index)
{
ReadingDay last = _days.Last();
DateTime date = last._date;
for(int i = Index(date);i < index;++i)
{
date.AddDays(1);
ReadingDay day = new ReadingDay(date);
_days.Add(day);
}
}
private static void InsertDaysTo(int index)
{
ReadingDay last = _days.Last();
DateTime date = last._date;
for (int i = Index(date); i < index; ++i)
{
date.AddDays(1);
ReadingDay day = new ReadingDay(date);
_days.Add(day);
}
}
public static ReadingDay Get(int year, int month, int day)
{
int index = Index(year, month, day);
if (index < 0)
{
throw new Exception("Wrong date!");
}
if (index >= _days.Count)
{
InsertDaysTo(index);
}
ReadingDay readingDay = _days[index];
return(readingDay);
}