public async Task <CurrentTimeEntryDto> ClockOut(int timeEntryId, DateTime?now = null)
{
if (!now.HasValue)
{
now = _systemClock.UtcNow.UtcDateTime;
}
var result = new CurrentTimeEntryDto();
var entry = await _timeEntryRepository.GetTimeEntry(timeEntryId);
result.TimeEntry = entry;
//make sure it's not already been clocked out
if (!entry.ClockOut.HasValue)
{
entry.ClockOut = now.Value;
entry.DurationSeconds = (int)(entry.ClockOut.Value - entry.ClockIn).TotalSeconds;
await _timeEntryRepository.UpdateTimeEntry(entry);
//if scheduling is enabled, complete entry=>schedule relating/calculating
//TODO: all of this work can be done async from the clock out action, ideally in some fire-and-forget event system.
var patrol = await _patrolRepository.GetPatrol(entry.PatrolId);
if (patrol.EnableScheduling)
{
//track all seconds that need to be allocated from the current time entry
int unallocatedSeconds = entry.DurationSeconds.Value;
//track what has been allocated thus far
int allocatedSeconds = 0;
var shifts = (await _shiftRepository.GetScheduledShiftAssignments(entry.PatrolId, entry.UserId, entry.ClockIn, entry.ClockOut)).ToList();
shifts = shifts.OrderBy(x => x.StartsAt).ToList();
var timeEntryScheduledShiftAssignments = new List <TimeEntryScheduledShiftAssignment>();
timeEntryScheduledShiftAssignments.AddRange(await _timeEntryRepository.GetScheduledShiftAssignmentsForTimeEntry(entry.Id));
//reset all existing allocations to 0
foreach (var existing in timeEntryScheduledShiftAssignments)
{
existing.DurationSeconds = 0;
}
for (int i = 0; i < shifts.Count && unallocatedSeconds > 0; i++)
{
var shift = shifts[i];
//time entries related to this shift
var otherEntryAllocatedScheduledShiftAssignments = (await _timeEntryRepository.GetScheduledShiftAssignmentsForScheduledShiftAssignment(shift.Id)).ToList();
otherEntryAllocatedScheduledShiftAssignments = otherEntryAllocatedScheduledShiftAssignments.Where(x => x.TimeEntryId != entry.Id).ToList();
//get the schedule entry so we can see how much can be allocated
var scheduledShift = await _shiftRepository.GetScheduledShift(shift.ScheduledShiftId);
result.ScheduledShift = scheduledShift;
//see if this schedule entry is already covered by previous time entries
int previouslyAllocatedShiftSeconds = otherEntryAllocatedScheduledShiftAssignments.Sum(x => x.DurationSeconds);
if (previouslyAllocatedShiftSeconds < scheduledShift.DurationSeconds)
{
//if not, allocate what we can to this shift
//offsetting by allocatedSeconds and previouslyAllocatedShiftSeconds prevents overlapping shifts from both being allocated to the same time
var allocateStart = entry.ClockIn + new TimeSpan(0, 0, allocatedSeconds) > scheduledShift.StartsAt + new TimeSpan(0, 0, previouslyAllocatedShiftSeconds) ? entry.ClockIn + new TimeSpan(0, 0, allocatedSeconds) : scheduledShift.StartsAt + new TimeSpan(0, 0, previouslyAllocatedShiftSeconds);
var allocateEnd = entry.ClockOut.Value > scheduledShift.EndsAt ? scheduledShift.EndsAt : entry.ClockOut.Value;
//TODO: we could check for existing time entries that overlap between allocateStart/End, but that really shouldn't happen
//since a user can't have multiple ongoing time entries
var maximumOverlappedAvailableAllocationSeconds = (int)(allocateEnd - allocateStart).TotalSeconds;
var neededSeconds = scheduledShift.DurationSeconds - previouslyAllocatedShiftSeconds;
//figure out how much to allocate based on overlap and what's remaining in the shift
var secondsToAllocate = maximumOverlappedAvailableAllocationSeconds > neededSeconds ? neededSeconds : maximumOverlappedAvailableAllocationSeconds;
//figure out how much to allocate based on what's remaining in the time entry
secondsToAllocate = secondsToAllocate > unallocatedSeconds ? unallocatedSeconds : secondsToAllocate;
//do the allocation
//find a entryscheduledshiftassignment to alloate with, or make one
var timeEntryScheduledShiftAssignment = timeEntryScheduledShiftAssignments.SingleOrDefault(x => x.ScheduledShiftAssignmentId == shift.Id);
if (timeEntryScheduledShiftAssignment == null)
{
timeEntryScheduledShiftAssignment = new TimeEntryScheduledShiftAssignment()
{
ScheduledShiftAssignmentId = shift.Id,
TimeEntryId = entry.Id,
DurationSeconds = secondsToAllocate,
};
await _timeEntryRepository.InsertTimeEntryScheduledShiftAssignment(timeEntryScheduledShiftAssignment);
otherEntryAllocatedScheduledShiftAssignments.Add(timeEntryScheduledShiftAssignment);
}
else
{
timeEntryScheduledShiftAssignment.DurationSeconds = secondsToAllocate;
await _timeEntryRepository.UpdateTimeEntryScheduledShiftAssignment(timeEntryScheduledShiftAssignment);
}
//adjust running totals
unallocatedSeconds = unallocatedSeconds - secondsToAllocate;
allocatedSeconds = allocatedSeconds + secondsToAllocate;
result.TimeEntryScheduledShiftAssignment = timeEntryScheduledShiftAssignment;
}
else
{
//_logger.LogDebug("Previously allocated > current duration");
}
if (result.ScheduledShift.ShiftId.HasValue)
{
result.Shift = await _shiftRepository.GetShift(result.ScheduledShift.ShiftId.Value);
}
if (result.ScheduledShift.GroupId.HasValue)
{
result.Group = await _groupRepository.GetGroup(result.ScheduledShift.GroupId.Value);
}
}
//there's no scenario where this should happen, the only way it could occur is if a schedule change
//occurred mid-shift, which we do not allow. But just in case, clean it up anyway
foreach (var timeEntryScheduledShiftAssignment in timeEntryScheduledShiftAssignments)
{
if (timeEntryScheduledShiftAssignment.DurationSeconds == 0)
{
await _timeEntryRepository.DeleteTimeEntryScheduledShiftAssignment(timeEntryScheduledShiftAssignment);
}
}
}
}
return(result);
}