root
49 lines
1.1 KiB
PHP
49 lines
1.1 KiB
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 $grade): string
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{
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$normalized = strtoupper(trim((string) $grade));
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return str_replace([' ', '-'], '', $normalized);
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}
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public function compareGrades(string $gradeA, string $gradeB): int
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{
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$normA = $this->normalizeGrade($gradeA);
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$normB = $this->normalizeGrade($gradeB);
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$valA = $this->getGradeLevel($normA);
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$valB = $this->getGradeLevel($normB);
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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', $normA, $suffixA);
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preg_match('/\d+([A-Z]*)$/i', $normB, $suffixB);
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return strcmp($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+)/', $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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