root
89 lines
2.2 KiB
PHP
89 lines
2.2 KiB
PHP
<?php
|
|
|
|
namespace App\Services\Grading;
|
|
|
|
use App\Models\CalendarEvent;
|
|
use DateTime;
|
|
|
|
class HomeworkTrackingCalendarService
|
|
{
|
|
public function buildDateRange(string $schoolYear, string $semester): array
|
|
{
|
|
$startYear = null;
|
|
if (preg_match('/\b(20\d{2})\b/', $schoolYear, $m)) {
|
|
$startYear = (int) $m[1];
|
|
}
|
|
if ($startYear === null) {
|
|
$today = new DateTime('today');
|
|
|
|
return [$today, $today];
|
|
}
|
|
|
|
$nextYear = $startYear + 1;
|
|
$sem = strtolower(trim($semester));
|
|
|
|
try {
|
|
if ($sem === 'spring') {
|
|
$start = new DateTime("{$nextYear}-01-25");
|
|
$end = new DateTime("{$nextYear}-05-31");
|
|
} else {
|
|
$start = new DateTime("{$startYear}-09-21");
|
|
$end = new DateTime("{$nextYear}-01-18");
|
|
}
|
|
} catch (\Throwable $e) {
|
|
$today = new DateTime('today');
|
|
|
|
return [$today, $today];
|
|
}
|
|
|
|
return [$start, $end];
|
|
}
|
|
|
|
public function buildSundays(DateTime $start, DateTime $end): array
|
|
{
|
|
if ((int) $start->format('w') !== 0) {
|
|
$start = (clone $start)->modify('next sunday');
|
|
}
|
|
|
|
$sundays = [];
|
|
$d = clone $start;
|
|
while ($d <= $end) {
|
|
$sundays[] = $d->format('Y-m-d');
|
|
$d->modify('+7 days');
|
|
}
|
|
|
|
return $sundays;
|
|
}
|
|
|
|
public function eventDays(string $schoolYear): array
|
|
{
|
|
$events = CalendarEvent::getEventsBySchoolYear($schoolYear) ?? [];
|
|
$eventDays = [];
|
|
foreach ($events as $event) {
|
|
$ymd = substr((string) ($event['date'] ?? ''), 0, 10);
|
|
$no = (int) ($event['no_school'] ?? 0);
|
|
if ($ymd && $no === 1) {
|
|
$eventDays[$ymd] = true;
|
|
}
|
|
}
|
|
|
|
return $eventDays;
|
|
}
|
|
|
|
public function dateToIndex(array $sundays, array $eventDays): array
|
|
{
|
|
$dateToIndex = [];
|
|
$idx = 0;
|
|
foreach ($sundays as $ymd) {
|
|
if (! isset($eventDays[$ymd])) {
|
|
$idx++;
|
|
$dateToIndex[$ymd] = $idx;
|
|
} else {
|
|
$dateToIndex[$ymd] = null;
|
|
}
|
|
}
|
|
|
|
return $dateToIndex;
|
|
}
|
|
}
|