root
376 lines
13 KiB
PHP
376 lines
13 KiB
PHP
<?php
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namespace App\Services\Grading;
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use App\Models\ClassSection;
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use App\Models\PlacementBatch;
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use App\Models\PlacementLevel;
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use App\Models\PlacementScore;
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use App\Models\Student;
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use Illuminate\Support\Facades\DB;
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use RuntimeException;
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class GradingPlacementService
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{
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public function placementContext(?int $classSectionId, string $schoolYear, ?string $placementTest, ?string $open): array
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{
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if (! $classSectionId) {
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$showStudents = ($placementTest !== '' && $open === '1');
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$students = $showStudents ? $this->fetchActiveStudentsWithSection($schoolYear) : [];
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$batches = $this->fetchPlacementBatches($schoolYear);
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$batchDetails = $this->fetchPlacementBatchDetails($batches, $schoolYear);
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return [
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'school_year' => $schoolYear,
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'students' => $students,
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'batches' => $batches,
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'batch_details' => $batchDetails,
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'placement_test' => $placementTest,
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'show_students' => $showStudents,
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];
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}
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$sectionName = ClassSection::query()->where('class_section_id', $classSectionId)->value('class_section_name');
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$classId = ClassSection::query()->where('class_section_id', $classSectionId)->value('class_id');
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$students = Student::getStudentInfoByClassSectionId($classSectionId, null, $schoolYear);
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$studentIds = array_values(array_filter(array_map(
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static fn ($row) => (int) ($row['student_id'] ?? 0),
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$students
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), static fn ($id) => $id > 0));
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$levels = [];
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if (! empty($studentIds)) {
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$rows = PlacementLevel::query()
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->whereIn('student_id', $studentIds)
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->where('school_year', $schoolYear)
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->get();
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foreach ($rows as $row) {
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$levels[(int) $row->student_id] = $row->level ?? null;
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}
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}
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return [
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'class_section_id' => $classSectionId,
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'class_section_name' => $sectionName ?? '',
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'class_id' => $classId,
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'school_year' => $schoolYear,
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'students' => $students,
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'levels' => $levels,
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];
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}
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public function updatePlacementLevel(int $studentId, string $schoolYear, $level, ?int $userId): void
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{
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if ($studentId <= 0 || $schoolYear === '') {
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throw new RuntimeException('Missing student or school year.');
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}
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$level = $level === '' || $level === null ? null : (int) $level;
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if ($level !== null && ! in_array($level, [1, 2, 3], true)) {
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throw new RuntimeException('Invalid placement level.');
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}
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$existing = PlacementLevel::query()
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->where('student_id', $studentId)
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->where('school_year', $schoolYear)
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->first();
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if ($level === null) {
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if ($existing) {
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$existing->delete();
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}
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return;
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}
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$payload = [
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'student_id' => $studentId,
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'school_year' => $schoolYear,
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'level' => $level,
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'updated_by' => $userId,
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];
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if ($existing) {
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$existing->update($payload);
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} else {
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$payload['created_by'] = $userId;
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PlacementLevel::query()->create($payload);
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}
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}
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public function updatePlacementLevels(int $classSectionId, string $schoolYear, array $levels, ?int $userId): void
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{
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if ($classSectionId <= 0 || $schoolYear === '') {
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throw new RuntimeException('Missing class section or school year.');
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}
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$students = Student::getStudentInfoByClassSectionId($classSectionId, null, $schoolYear);
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$validIds = array_values(array_filter(array_map(
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static fn ($row) => (int) ($row['student_id'] ?? 0),
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$students
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), static fn ($id) => $id > 0));
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$validSet = array_flip($validIds);
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$existingRows = [];
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if (! empty($validIds)) {
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$rows = PlacementLevel::query()
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->whereIn('student_id', $validIds)
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->where('school_year', $schoolYear)
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->get();
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foreach ($rows as $row) {
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$existingRows[(int) $row->student_id] = $row;
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}
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}
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foreach ($levels as $studentIdRaw => $levelRaw) {
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$studentId = (int) $studentIdRaw;
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if (! isset($validSet[$studentId])) {
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continue;
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}
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$levelRaw = trim((string) $levelRaw);
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$level = $levelRaw === '' ? null : (int) $levelRaw;
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if ($level !== null && ! in_array($level, [1, 2, 3], true)) {
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continue;
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}
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if ($level === null) {
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if (isset($existingRows[$studentId])) {
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$existingRows[$studentId]->delete();
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}
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continue;
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}
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$payload = [
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'student_id' => $studentId,
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'school_year' => $schoolYear,
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'level' => $level,
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'updated_by' => $userId,
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];
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if (isset($existingRows[$studentId])) {
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$existingRows[$studentId]->update($payload);
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} else {
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$payload['created_by'] = $userId;
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PlacementLevel::query()->create($payload);
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}
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}
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}
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public function createPlacementBatch(string $schoolYear, string $placementTest, array $levels, ?int $userId): int
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{
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if ($schoolYear === '' || $placementTest === '') {
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throw new RuntimeException('Missing placement test or school year.');
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}
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$students = $this->fetchActiveStudentsWithSection($schoolYear);
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$validIds = array_values(array_filter(array_map(
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static fn ($row) => (int) ($row['student_id'] ?? 0),
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$students
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), static fn ($id) => $id > 0));
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$validSet = array_flip($validIds);
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$batch = PlacementBatch::query()->create([
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'placement_test' => $placementTest,
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'school_year' => $schoolYear,
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'created_by' => $userId,
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'updated_by' => $userId,
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]);
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$savedCount = 0;
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foreach ($levels as $studentIdRaw => $levelRaw) {
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$studentId = (int) $studentIdRaw;
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if (! isset($validSet[$studentId])) {
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continue;
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}
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$levelRaw = trim((string) $levelRaw);
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if ($levelRaw === '') {
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continue;
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}
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$score = (int) $levelRaw;
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if ($score < 0 || $score > 100) {
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continue;
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}
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PlacementScore::query()->create([
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'batch_id' => (int) $batch->id,
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'student_id' => $studentId,
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'score' => $score,
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'created_by' => $userId,
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'updated_by' => $userId,
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]);
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$savedCount++;
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}
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if ($savedCount === 0) {
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$batch->delete();
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throw new RuntimeException('No scores entered. Batch not saved.');
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}
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return (int) $batch->id;
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}
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public function getPlacementBatch(int $batchId): array
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{
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$batch = PlacementBatch::query()->find($batchId);
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if (! $batch) {
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throw new RuntimeException('Placement batch not found.');
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}
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$schoolYear = (string) ($batch->school_year ?? '');
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$students = $this->fetchActiveStudentsWithSection($schoolYear);
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$scores = $this->fetchPlacementScoresForBatch($batchId);
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return [
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'batch' => $batch,
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'students' => $students,
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'scores' => $scores,
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];
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}
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public function updatePlacementBatch(int $batchId, string $schoolYear, array $levels, ?int $userId): void
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{
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$batch = PlacementBatch::query()->find($batchId);
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if (! $batch) {
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throw new RuntimeException('Placement batch not found.');
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}
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$students = $this->fetchActiveStudentsWithSection($schoolYear);
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$validIds = array_values(array_filter(array_map(
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static fn ($row) => (int) ($row['student_id'] ?? 0),
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$students
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), static fn ($id) => $id > 0));
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$validSet = array_flip($validIds);
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$existing = $this->fetchPlacementScoresForBatch($batchId);
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foreach ($levels as $studentIdRaw => $scoreRaw) {
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$studentId = (int) $studentIdRaw;
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if (! isset($validSet[$studentId])) {
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continue;
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}
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$scoreRaw = trim((string) $scoreRaw);
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if ($scoreRaw === '') {
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if (isset($existing[$studentId])) {
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PlacementScore::query()->whereKey($existing[$studentId]['id'])->delete();
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}
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continue;
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}
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$score = (int) $scoreRaw;
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if ($score < 0 || $score > 100) {
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continue;
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}
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if (isset($existing[$studentId])) {
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PlacementScore::query()->whereKey($existing[$studentId]['id'])->update([
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'score' => $score,
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'updated_by' => $userId,
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]);
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} else {
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PlacementScore::query()->create([
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'batch_id' => $batchId,
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'student_id' => $studentId,
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'score' => $score,
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'created_by' => $userId,
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'updated_by' => $userId,
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]);
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}
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}
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$batch->update([
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'updated_by' => $userId,
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]);
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}
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private function fetchActiveStudentsWithSection(string $schoolYear): array
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{
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return DB::table('students as s')
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->select('s.id as student_id', 's.school_id', 's.firstname', 's.lastname', 'sc.class_section_id', 'cs.class_section_name', 'c.class_name')
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->leftJoin('student_class as sc', function ($join) use ($schoolYear) {
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$join->on('sc.student_id', '=', 's.id')
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->where('sc.school_year', '=', $schoolYear);
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})
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->leftJoin('classSection as cs', 'cs.class_section_id', '=', 'sc.class_section_id')
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->leftJoin('classes as c', 'c.id', '=', 'cs.class_id')
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->where('s.is_active', 1)
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->orderBy('s.lastname', 'ASC')
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->orderBy('s.firstname', 'ASC')
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->get()
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->map(fn ($row) => (array) $row)
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->all();
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}
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private function fetchPlacementBatches(string $schoolYear): array
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{
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return PlacementBatch::query()
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->where('school_year', $schoolYear)
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->orderBy('created_at', 'DESC')
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->get()
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->map(fn ($row) => (array) $row)
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->all();
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}
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private function fetchPlacementBatchDetails(array $batches, string $schoolYear): array
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{
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if (empty($batches)) {
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return [];
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}
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$batchIds = array_values(array_filter(array_map(
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static fn ($row) => (int) ($row['id'] ?? 0),
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$batches
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), static fn ($id) => $id > 0));
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if (empty($batchIds)) {
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return [];
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}
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$rows = DB::table('placement_scores as ps')
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->select('ps.batch_id', 'ps.score', 's.school_id', 's.firstname', 's.lastname', 'cs.class_section_name', 'c.class_name')
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->join('students as s', 's.id', '=', 'ps.student_id')
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->leftJoin('student_class as sc', function ($join) use ($schoolYear) {
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$join->on('sc.student_id', '=', 's.id')
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->where('sc.school_year', '=', $schoolYear);
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})
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->leftJoin('classSection as cs', 'cs.class_section_id', '=', 'sc.class_section_id')
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->leftJoin('classes as c', 'c.id', '=', 'cs.class_id')
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->whereIn('ps.batch_id', $batchIds)
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->where('s.is_active', 1)
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->orderBy('ps.batch_id', 'ASC')
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->orderBy('s.lastname', 'ASC')
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->orderBy('s.firstname', 'ASC')
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->get()
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->map(fn ($row) => (array) $row)
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->all();
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$details = [];
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foreach ($rows as $row) {
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$bid = (int) ($row['batch_id'] ?? 0);
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if ($bid <= 0) {
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continue;
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}
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$details[$bid][] = $row;
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}
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return $details;
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}
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private function fetchPlacementScoresForBatch(int $batchId): array
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{
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$rows = PlacementScore::query()
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->where('batch_id', $batchId)
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->get()
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->map(fn ($row) => (array) $row)
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->all();
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$scores = [];
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foreach ($rows as $row) {
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$scores[(int) $row['student_id']] = $row;
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}
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return $scores;
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}
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}
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