public bool Assignable(Resident resident, Shift shift)
{
var shiftHours = shift.DateRange.Hours;
var startConstraint = shift.EndTime.AddDays(-28).AddMinutes(1);
var endConstraint = shift.StartTime.AddMinutes(-1);
var assignedHours = resident.Shifts.Where(s => s.DateRange.Equals(new DateRange(startConstraint, endConstraint)))
.Select(s => new DateRange(DateExtensions.Max(s.StartTime, startConstraint), DateExtensions.Min(s.EndTime, endConstraint)))
.Sum(dr => dr.Hours);
var resultingAverage = ((assignedHours + shiftHours) / 4m);
return resultingAverage <= 80;
}
public void Assignable_AlreadyAssigned24_NotPGY1(ResidentYears residentYears)
{
//24HRShift
var assignedShift = new Shift(DateTime.Today, TimeConstants.StartOfDay, TimeConstants.EndOfDay);
var resident = new Resident { ResidentYear = residentYears };
resident.Shifts.Add(assignedShift);
Assert.AreEqual(24, assignedShift.DateRange.Hours);
var unAssingableShift = new Shift(DateTime.Today.AddDays(1), TimeConstants.StartOfDay, TimeConstants.StartOfDay); //1 minute shift
Assert.IsFalse(new ContinuousDutyHourConstraint().Assignable(resident, unAssingableShift));
var assingableShift = new Shift(DateTime.Today.AddDays(1), TimeConstants.StartOfDay.AddMinutes(1), TimeConstants.StartOfDay.AddMinutes(1)); //1 minute shift non conitinous
Assert.IsTrue(new ContinuousDutyHourConstraint().Assignable(resident, assingableShift));
}
public void Assignable_AlreadyAssigned16_PGY1()
{
//16HRShift
var assignedShift = new Shift(DateTime.Today, TimeConstants.StartOfDay, TimeConstants.StartOfDay.AddHours(16).AddMinutes(-1));
var resident = new Resident { ResidentYear = ResidentYears.PGY_1 };
resident.Shifts.Add(assignedShift);
Assert.AreEqual(16, assignedShift.DateRange.Hours);
var unAssingableShift = new Shift(DateTime.Today, TimeConstants.StartOfDay.AddHours(16), TimeConstants.StartOfDay.AddHours(16)); //1 minute shift
Assert.IsFalse(new ContinuousDutyHourConstraint().Assignable(resident, unAssingableShift));
var assingableShift = new Shift(DateTime.Today, TimeConstants.StartOfDay.AddHours(16).AddMinutes(1), TimeConstants.StartOfDay.AddHours(16).AddMinutes(1)); //1 minute shift non conitinous
Assert.IsTrue(new ContinuousDutyHourConstraint().Assignable(resident, assingableShift));
}
public void Assignable_ShiftWouldResultInMoreThan24_NotPGY1(ResidentYears residentYears)
{
//23.5HRShift
var assignedShift = new Shift(DateTime.Today, TimeConstants.StartOfDay.AddMinutes(30), TimeConstants.EndOfDay);
var resident = new Resident { ResidentYear = residentYears };
resident.Shifts.Add(assignedShift);
//31 minute shift
var unAssingableShift = new Shift(DateTime.Today.AddDays(1), TimeConstants.StartOfDay, TimeConstants.StartOfDay.AddMinutes(30));
Assert.IsFalse(new ContinuousDutyHourConstraint().Assignable(resident, unAssingableShift));
//30 minute shift
var assingableShift = new Shift(DateTime.Today.AddDays(1), TimeConstants.StartOfDay, TimeConstants.StartOfDay.AddMinutes(29));
Assert.IsTrue(new ContinuousDutyHourConstraint().Assignable(resident, assingableShift));
}
public void Assignable_ShiftWouldResultInMoreThan16_PGY1()
{
//15.5HRShift
var assignedShift = new Shift(DateTime.Today, TimeConstants.StartOfDay.AddMinutes(30), TimeConstants.StartOfDay.AddHours(16).AddMinutes(-1));
var resident = new Resident { ResidentYear = ResidentYears.PGY_1 };
resident.Shifts.Add(assignedShift);
//31 minute shift
var unAssingableShift = new Shift(DateTime.Today, TimeConstants.StartOfDay.AddHours(16), TimeConstants.StartOfDay.AddHours(16).AddMinutes(30));
Assert.IsFalse(new ContinuousDutyHourConstraint().Assignable(resident, unAssingableShift));
//30 minute shift
var assingableShift = new Shift(DateTime.Today, TimeConstants.StartOfDay.AddHours(16), TimeConstants.StartOfDay.AddHours(16).AddMinutes(29));
Assert.IsTrue(new ContinuousDutyHourConstraint().Assignable(resident, assingableShift));
}
public bool Assignable(Resident resident, Shift shift)
{
var maxHours = resident.MaxContinuousShiftHours;
var shiftHours = shift.DateRange.Hours;
if (shiftHours > maxHours) return false;
var startConstraint = shift.EndTime.AddHours(-maxHours); // Period of 'maxHours' hours and 1 minute from end of shift
var endConstraint = shift.StartTime.AddMinutes(-1);
var assignedHours = resident.Shifts.Where(s => s.DateRange.Equals(new DateRange(startConstraint, endConstraint)))//shifts in 'maxHours' hour period
.Select(s => new DateRange(DateExtensions.Max(s.StartTime, startConstraint), DateExtensions.Min(s.EndTime, endConstraint)))
.Sum(dr => dr.Hours);
return assignedHours + shiftHours <= maxHours;
}
public void Name()
{
var resident = new Resident { FirstName = "Bob", LastName = "Hemphill", ResidentYear = ResidentYears.PGY_1 };
Assert.AreEqual("Hemphill, Bob(PGY_1)\n", resident.ToString());
}
public bool Assignable(Resident resident, Shift shift)
{
throw new System.NotImplementedException();
}
public bool Assignable(Resident resident, Shift shift)
{
var lastShift = resident.Shifts.OrderByDescending(s=>s.EndTime).FirstOrDefault();
return lastShift == null ||
(new DateRange(lastShift.EndTime.AddMinutes(1), shift.StartTime.AddMinutes(-1)).Hours //Actual time between last shift and this shift
>= (lastShift.DateRange.Hours >= 24 ? 14 : 8)); // ACGME required time off between shifts depending on duration of last shift
}
