private EmployeeWorkload GetEmployeeWorkloadForDateRange(Employee employee, DateTimeRange dateRange, WorkloadPeriod periodStep, IDictionary <DateTime, int> workhoursByDate, IDictionary <DateTime, Workload> dailyWorkload)
{
var employeeWorkload = new EmployeeWorkload
{
Employee = employee
};
DateTime dateFrom = dateRange.Begin.Date;
DateTime dateTo;
if (periodStep == WorkloadPeriod.Week)
{
int daysToSunday = (7 - (int)dateFrom.DayOfWeek) % 7;
dateTo = dateFrom.AddDays(daysToSunday);
}
else if (periodStep == WorkloadPeriod.Month)
{
int lastDayOfMonth = DateTime.DaysInMonth(dateFrom.Year, dateFrom.Month);
dateTo = new DateTime(dateFrom.Year, dateFrom.Month, lastDayOfMonth);
}
else
{
throw new NotImplementedException($"Обработка периода загрузки {periodStep} не реализована");
}
while (dateTo <= dateRange.End.Date)
{
EmployeeWorkloadRecord employeeWorkloadRecord = CalculateWorkloadForPeriod(dateFrom, dateTo, dailyWorkload, workhoursByDate);
employeeWorkload.WorkloadRecords.Add(employeeWorkloadRecord);
dateFrom = dateTo.AddDays(1);
if (periodStep == WorkloadPeriod.Week)
{
dateTo = dateTo.AddDays(7);
}
else if (periodStep == WorkloadPeriod.Month)
{
dateTo = dateTo.AddMonths(1);
int lastDayOfMonth = DateTime.DaysInMonth(dateTo.Year, dateTo.Month);
dateTo = new DateTime(dateTo.Year, dateTo.Month, lastDayOfMonth);
}
}
dateTo = dateRange.End.Date;
if (dateFrom <= dateTo)
{
EmployeeWorkloadRecord employeeWorkloadRecord = CalculateWorkloadForPeriod(dateFrom, dateTo, dailyWorkload, workhoursByDate);
employeeWorkload.WorkloadRecords.Add(employeeWorkloadRecord);
}
return(employeeWorkload);
}
private EmployeeWorkloadRecord CalculateWorkloadForPeriod(DateTime dateFrom, DateTime dateTo, IDictionary <DateTime, Workload> dailyWorkload, IDictionary <DateTime, int> workhours)
{
int hoursInWeek = 0;
int currentProjectHours = 0;
int totalProjectHours = 0;
DateTime date = dateFrom;
while (date <= dateTo)
{
int workhoursInDay = workhours[date];
hoursInWeek += workhoursInDay;
if (dailyWorkload.TryGetValue(date, out Workload workload))
{
currentProjectHours += (workload.CurrentProjectPercent * workhoursInDay);
totalProjectHours += (workload.TotalPercent * workhoursInDay);
}
date = date.AddDays(1);
}
var employeeWorkloadRecord = new EmployeeWorkloadRecord();
employeeWorkloadRecord.DateFrom = dateFrom;
employeeWorkloadRecord.DateTo = dateTo;
if (hoursInWeek > 0)
{
employeeWorkloadRecord.CurrentProjectPercents = Math.Round(currentProjectHours / (double)hoursInWeek);
employeeWorkloadRecord.TotalPercents = Math.Round(totalProjectHours / (double)hoursInWeek);
}
else
{
// Обработка ситуации, когда на неделе нет ни одного рабочего дня (с 1 по 7 явнваря)
// TODO: Нужно подмать, нет ли лучшего варианта
employeeWorkloadRecord.CurrentProjectPercents = 0;
employeeWorkloadRecord.TotalPercents = 100;
}
employeeWorkloadRecord.CurrentProjectHours = hoursInWeek * employeeWorkloadRecord.CurrentProjectPercents / 100.0;
return(employeeWorkloadRecord);
}