root
108 lines
3.2 KiB
PHP
108 lines
3.2 KiB
PHP
<?php
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namespace App\Services\Attendance;
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use App\Models\Configuration;
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use Carbon\Carbon;
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class SemesterRangeService
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{
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public function normalizeSemester(?string $semester): string
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{
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$value = strtolower(trim((string)$semester));
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return match ($value) {
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'fall', 'autumn' => 'Fall',
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'spring' => 'Spring',
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default => '',
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};
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}
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public function getSchoolYearRange(string $schoolYear): array
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{
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$fallStart = Configuration::getConfig('fall_semester_start');
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$lastDay = Configuration::getConfig('last_school_day');
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if ($fallStart && $lastDay) {
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return [
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Carbon::parse($fallStart)->toDateString(),
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Carbon::parse($lastDay)->toDateString(),
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];
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}
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[$startYear, $endYear] = $this->parseSchoolYear($schoolYear);
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return [
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Carbon::create($startYear, 9, 1)->toDateString(),
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Carbon::create($endYear, 5, 31)->toDateString(),
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];
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}
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public function getSemesterRange(string $schoolYear, string $semester): ?array
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{
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$semester = $this->normalizeSemester($semester);
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$fallStart = Configuration::getConfig('fall_semester_start');
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$springStart = Configuration::getConfig('spring_semester_start');
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$lastDay = Configuration::getConfig('last_school_day');
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if ($semester === 'Fall' && $fallStart && $springStart) {
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return [
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Carbon::parse($fallStart)->toDateString(),
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Carbon::parse($springStart)->subDay()->toDateString(),
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];
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}
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if ($semester === 'Spring' && $springStart && $lastDay) {
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return [
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Carbon::parse($springStart)->toDateString(),
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Carbon::parse($lastDay)->toDateString(),
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];
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}
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// Fallback to hardcoded logic when config keys are missing
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[$startYear, $endYear] = $this->parseSchoolYear($schoolYear);
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return match ($semester) {
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'Fall' => [
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Carbon::create($startYear, 9, 21)->toDateString(),
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Carbon::create($endYear, 1, 18)->toDateString(),
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],
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'Spring' => [
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Carbon::create($endYear, 1, 25)->toDateString(),
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Carbon::create($endYear, 5, 31)->toDateString(),
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],
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default => null,
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};
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}
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public function buildSundayList(string $startDate, string $endDate): array
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{
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$start = Carbon::parse($startDate)->startOfDay();
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$end = Carbon::parse($endDate)->startOfDay();
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if ($start->dayOfWeek !== Carbon::SUNDAY) {
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$start = $start->next(Carbon::SUNDAY);
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}
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$dates = [];
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$cursor = $start->copy();
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while ($cursor->lte($end)) {
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$dates[] = $cursor->toDateString();
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$cursor->addWeek();
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}
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return $dates;
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}
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protected function parseSchoolYear(string $schoolYear): array
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{
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if (preg_match('/^\s*(\d{4})\s*-\s*(\d{4})\s*$/', $schoolYear, $m)) {
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return [(int)$m[1], (int)$m[2]];
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}
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$year = (int) date('Y');
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return [$year, $year + 1];
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}
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} |