/// <summary>
/// Returns a list of shifts that overlap a given date range based on an employee's time sheet records.
/// In cases where an employee has transactions that do not fall within a given time sheet, a shift for those
/// transactions is created and they are bucketed under there.
/// </summary>
/// <param name="siteCode"></param>
/// <param name="startTime"></param>
/// <param name="endTime"></param>
/// <returns></returns>
private IEnumerable <EfficiencyShift> GetShifts(string siteCode, DateTime siteNow, Employee[] employees, IEnumerable <string> siteEmployeeCodes, DateTime startTime, DateTime endTime)
{
var tnaEmployeeCodes = new HashSet <string>(employees.Select(r => r.TnaEmployeeCode));
var extendedTimeSheets = _timesheetCacheProvider.GetCurrent().GetAll(siteCode).ToArray();
var timeSheets = extendedTimeSheets
.Where(t => tnaEmployeeCodes.Contains(t.TnaEmployeeCode))
.Where(t => t.OperationalDate >= startTime.Date && t.OperationalDate <= endTime.Date);
var siteContext = _siteContextProvider.GetSiteContext(siteCode);
var businesUnitType = siteContext.BusinessUnit;
var isLtl = businesUnitType == BusinessUnitType.LTL;
//var transactionTypes = _transactionTypeService.List(siteCode, null)
//let the code crash if the sitecode is not cached so we catch problems early
var transactionTypes = _cachedLookupService.GetTransactionTypes(siteCode)
.Flatten()
.Select(r => new EfficiencyTransactionType()
{
Code = r.Code,
Measured = r.Measured
})
.ToArray();
//var workCenters = siteContext.GetWorkcenterService().ListIncludeInvalids(siteCode);
//let the code crash if the sitecode is not cached so we catch problems early
var workCenters = _cachedLookupService.GetWorkcenters(siteCode);
foreach (var timeSheet in timeSheets)
{
var workCenter = workCenters.FirstOrDefault(x => x.Code.IgnoreCaseEquals(timeSheet.WorkedWorkCenterCode));
timeSheet.WorkedWorkCenterName = workCenter?.Name;
timeSheet.IsTransactionalWorkCenter = workCenter?.IsTransactional;
timeSheet.WorkcenterType = workCenter?.WorkcenterType;
}
//var employeeShiftSupevisors = _shiftSupervisorService.List(siteCode);
//let the code crash if the sitecode is not cached so we catch problems early
var employeeShiftSupevisors = _cachedLookupService.GetEmployeeShiftSupevisors(siteCode);
var timeSheetShifts = timeSheets.MapTimeSheetShifts(siteCode, siteNow, employees, employeeShiftSupevisors, businesUnitType, siteEmployeeCodes, transactionTypes);
var orphanShifts = GetOrphanedShiftsFromTransactions(siteCode, employees, isLtl, startTime.AddHours(-12), endTime.AddHours(12), extendedTimeSheets, transactionTypes, businesUnitType, siteEmployeeCodes, employeeShiftSupevisors);
return(timeSheetShifts.Concat(orphanShifts));
}