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add sparse workload placement

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This commit is contained in:
Yisroel Baum 2026-08-19 22:40:43 +03:00
parent ff8efd7f4a
commit 90dcc8665a
Signed by: yisroelbaum
GPG key ID: 0FA60884F75520A9
3 changed files with 55 additions and 16 deletions
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24
backend/app/Schedule/EvenDistributionScheduler.php
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@ -18,7 +18,7 @@ class EvenDistributionScheduler
$differenceInDays = $startDate->diff($targetDate)->days;
$dayCount = $differenceInDays + 1;
if ($assignmentCount < $dayCount) {
if ($workloadPlacement === WorkloadPlacement::Spread) {
return $this->sparseDates(
assignmentCount: $assignmentCount,
dayCount: $dayCount,
@ -26,7 +26,7 @@ class EvenDistributionScheduler
);
}
return $this->dailyDates(
return $this->groupedDates(
assignmentCount: $assignmentCount,
dayCount: $dayCount,
startDate: $startDate,
@ -63,17 +63,17 @@ class EvenDistributionScheduler
/**
* @return list<DateTimeImmutable>
*/
private function dailyDates(
private function groupedDates(
int $assignmentCount,
int $dayCount,
DateTimeImmutable $startDate,
WorkloadPlacement $workloadPlacement,
): array {
$assignmentsPerDay = intdiv($assignmentCount, $dayCount);
$heavierDayCount = $assignmentCount % $dayCount;
$heavierBlockStart = $this->heavierBlockStart(
$remainderDayCount = $assignmentCount % $dayCount;
$remainderBlockStart = $this->remainderBlockStart(
dayCount: $dayCount,
heavierDayCount: $heavierDayCount,
remainderDayCount: $remainderDayCount,
workloadPlacement: $workloadPlacement,
);
$dates = [];
@ -81,8 +81,8 @@ class EvenDistributionScheduler
for ($dayIndex = 0; $dayIndex < $dayCount; $dayIndex++) {
$assignmentCountForDay = $assignmentsPerDay;
if (
$dayIndex >= $heavierBlockStart
&& $dayIndex < $heavierBlockStart + $heavierDayCount
$dayIndex >= $remainderBlockStart
&& $dayIndex < $remainderBlockStart + $remainderDayCount
) {
$assignmentCountForDay++;
}
@ -96,9 +96,9 @@ class EvenDistributionScheduler
return $dates;
}
private function heavierBlockStart(
private function remainderBlockStart(
int $dayCount,
int $heavierDayCount,
int $remainderDayCount,
WorkloadPlacement $workloadPlacement,
): int {
if ($workloadPlacement === WorkloadPlacement::Start) {
@ -106,9 +106,9 @@ class EvenDistributionScheduler
}
if ($workloadPlacement === WorkloadPlacement::End) {
return $dayCount - $heavierDayCount;
return $dayCount - $remainderDayCount;
}
return intdiv($dayCount - $heavierDayCount, 2);
return intdiv($dayCount - $remainderDayCount, 2);
}
}