root
45 lines
1020 B
PHP
45 lines
1020 B
PHP
<?php
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namespace App\Services\Fees;
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class FeeGradeService
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{
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public function normalizeGrade(?string $grade): string
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{
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return strtoupper(trim((string) $grade));
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}
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public function compareGrades(string $gradeA, string $gradeB): int
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{
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$valA = $this->getGradeLevel($gradeA);
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$valB = $this->getGradeLevel($gradeB);
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if ($valA !== $valB) {
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return $valA <=> $valB;
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}
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preg_match('/\d+([A-Z]*)$/i', strtoupper($gradeA), $suffixA);
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preg_match('/\d+([A-Z]*)$/i', strtoupper($gradeB), $suffixB);
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return strcmp($suffixA[1] ?? '', $suffixB[1] ?? '');
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}
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public function getGradeLevel(string $grade): int
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{
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$grade = $this->normalizeGrade($grade);
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if ($grade === 'K') {
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return 0;
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}
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if ($grade === 'Y') {
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return 99;
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}
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if (preg_match('/^(\d+)([A-Z]*)$/i', $grade, $matches)) {
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return (int) $matches[1];
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}
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return 999;
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}
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}
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