add more controller
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@@ -0,0 +1,316 @@
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<?php
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namespace App\Services\Students;
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use App\Models\ClassSection;
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use App\Models\Enrollment;
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use App\Models\Student;
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use App\Models\StudentClass;
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use Illuminate\Support\Facades\DB;
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use Illuminate\Support\Facades\Schema;
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class StudentAssignmentService
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{
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public function __construct(private StudentConfigService $configService)
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{
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}
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public function assignClasses(int $studentId, array $classSectionIds, bool $isEventOnly, ?int $userId = null): array
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{
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$context = $this->configService->context();
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$semester = (string) ($context['semester'] ?? '');
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$schoolYear = (string) ($context['school_year'] ?? '');
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$classSectionIds = $this->normalizeIds($classSectionIds);
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if ($studentId <= 0 || empty($classSectionIds) || $schoolYear === '') {
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return ['ok' => false, 'message' => 'Missing required data (student/class section).'];
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}
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$student = Student::query()->find($studentId);
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if (!$student) {
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return ['ok' => false, 'message' => 'Student not found.'];
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}
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$sections = ClassSection::query()
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->whereIn('class_section_id', $classSectionIds)
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->orWhereIn('id', $classSectionIds)
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->get()
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->toArray();
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if (empty($sections)) {
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return ['ok' => false, 'message' => 'Class/Section not found.'];
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}
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$sectionMap = [];
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foreach ($sections as $section) {
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$sectionMap[(int) ($section['class_section_id'] ?? 0)] = $section;
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}
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$missing = array_diff($classSectionIds, array_keys($sectionMap));
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if (!empty($missing)) {
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return ['ok' => false, 'message' => 'One or more selected classes do not exist.'];
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}
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$existing = StudentClass::query()
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->where('student_id', $studentId)
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->where('school_year', $schoolYear)
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->get()
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->keyBy(fn ($row) => (int) ($row->class_section_id ?? 0));
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$primarySectionId = $classSectionIds[0];
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$primarySection = $sectionMap[$primarySectionId] ?? reset($sectionMap);
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$parentClassId = (int) ($primarySection['class_id'] ?? 0);
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if ($parentClassId <= 0) {
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$parentClassId = (int) (ClassSection::getClassId($primarySectionId) ?? 0);
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}
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$attendanceStats = [];
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$scoreStats = [];
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DB::transaction(function () use (
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$studentId,
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$schoolYear,
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$classSectionIds,
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$isEventOnly,
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$userId,
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$existing,
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$semester,
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$primarySectionId,
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$parentClassId,
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&$attendanceStats,
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&$scoreStats
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): void {
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foreach ($classSectionIds as $classSectionId) {
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$eventFlag = $isEventOnly ? 1 : 0;
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if ($existing->has($classSectionId)) {
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$eventFlag = (int) ($existing[$classSectionId]->is_event_only ?? 0);
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}
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$payload = [
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'student_id' => $studentId,
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'class_section_id' => $classSectionId,
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'school_year' => $schoolYear,
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'is_event_only' => $eventFlag,
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'updated_by' => $userId,
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'updated_at' => now(),
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];
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if ($existing->has($classSectionId)) {
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$existing[$classSectionId]->fill($payload)->save();
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} else {
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StudentClass::query()->create($payload + [
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'created_at' => now(),
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]);
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}
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}
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if (!$isEventOnly) {
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$enrollment = Enrollment::query()
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->where('student_id', $studentId)
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->where('school_year', $schoolYear)
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->when($semester !== '', fn ($q) => $q->where('semester', $semester))
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->first();
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if ($enrollment) {
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$enrollment->update([
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'class_section_id' => $primarySectionId,
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'enrollment_status' => 'payment pending',
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'admission_status' => 'accepted',
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'updated_at' => now(),
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]);
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}
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$attendanceStats = $this->updateAttendance(
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$studentId,
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$primarySectionId,
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$parentClassId,
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$semester,
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$schoolYear,
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$userId
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);
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$scoreStats = $this->updateScores(
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$studentId,
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$primarySectionId,
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$semester,
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$schoolYear,
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$userId
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);
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}
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});
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$displayNames = [];
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foreach ($classSectionIds as $classSectionId) {
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$section = $sectionMap[$classSectionId] ?? null;
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if (!$section) {
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continue;
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}
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$name = (string) ($section['class_section_name'] ?? '');
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if ($name === '') {
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$name = 'Section #' . $classSectionId;
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}
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$displayNames[] = $name;
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}
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return [
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'ok' => true,
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'student_id' => $studentId,
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'class_section_id' => $primarySectionId,
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'class_section_ids' => $classSectionIds,
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'class_section_names' => $displayNames,
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'attendance_updates' => $attendanceStats,
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'score_updates' => $scoreStats,
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];
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}
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public function removeClass(int $studentId, int $classSectionId, ?int $userId = null): array
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{
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$context = $this->configService->context();
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$semester = (string) ($context['semester'] ?? '');
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$schoolYear = (string) ($context['school_year'] ?? '');
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if ($studentId <= 0 || $classSectionId <= 0 || $schoolYear === '') {
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return ['ok' => false, 'message' => 'Missing required data (student/class section).'];
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}
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$row = StudentClass::query()
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->where('student_id', $studentId)
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->where('class_section_id', $classSectionId)
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->where('school_year', $schoolYear)
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->first();
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if (!$row) {
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return ['ok' => false, 'message' => 'Assignment not found for this student/class.'];
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}
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$remainingIds = [];
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$remainingNames = [];
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DB::transaction(function () use (
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$studentId,
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$classSectionId,
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$schoolYear,
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$semester,
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$userId,
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&$remainingIds,
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&$remainingNames
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): void {
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StudentClass::query()
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->where('student_id', $studentId)
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->where('class_section_id', $classSectionId)
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->where('school_year', $schoolYear)
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->delete();
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$remainingIds = StudentClass::getClassSectionIdsByStudentId($studentId, $schoolYear);
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$remainingNames = StudentClass::getClassSectionsByStudentId($studentId, $schoolYear, true);
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$enrollment = Enrollment::query()
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->where('student_id', $studentId)
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->where('school_year', $schoolYear)
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->when($semester !== '', fn ($q) => $q->where('semester', $semester))
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->first();
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if ($enrollment) {
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$newClassId = !empty($remainingIds) ? $remainingIds[0] : null;
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if ((int) $enrollment->class_section_id === $classSectionId || $newClassId !== null) {
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$enrollment->update([
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'class_section_id' => $newClassId,
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'updated_at' => now(),
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'updated_by' => $userId,
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]);
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}
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}
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});
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return [
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'ok' => true,
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'student_id' => $studentId,
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'removed_class_id' => $classSectionId,
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'remaining_ids' => $remainingIds,
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'remaining_names' => $remainingNames,
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];
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}
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private function updateAttendance(
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int $studentId,
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int $classSectionId,
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int $classId,
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string $semester,
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string $schoolYear,
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?int $modifiedBy
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): array {
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$now = now()->toDateTimeString();
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$attendanceUpdated = DB::table('attendance_data')
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->where('student_id', $studentId)
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->where('semester', $semester)
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->where('school_year', $schoolYear)
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->update([
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'class_section_id' => $classSectionId,
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'class_id' => $classId,
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'updated_at' => $now,
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'modified_by' => $modifiedBy,
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]);
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$recordUpdated = DB::table('attendance_record')
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->where('student_id', $studentId)
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->where('semester', $semester)
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->where('school_year', $schoolYear)
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->update([
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'class_section_id' => $classSectionId,
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'updated_at' => $now,
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'modified_by' => $modifiedBy,
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]);
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return [
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'attendance_data_updated' => $attendanceUpdated,
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'attendance_record_updated' => $recordUpdated,
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];
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}
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private function updateScores(
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int $studentId,
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int $classSectionId,
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string $semester,
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string $schoolYear,
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?int $modifiedBy
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): array {
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$now = now()->toDateTimeString();
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$tables = [
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'homework',
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'quiz',
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'project',
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'participation',
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'midterm_exam',
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'final_exam',
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'final_score',
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'semester_scores',
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];
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$results = [];
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foreach ($tables as $table) {
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$payload = [
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'class_section_id' => $classSectionId,
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'updated_at' => $now,
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];
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if ($modifiedBy !== null && Schema::hasColumn($table, 'updated_by')) {
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$payload['updated_by'] = $modifiedBy;
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}
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$results[$table . '_updated'] = DB::table($table)
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->where('student_id', $studentId)
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->where('semester', $semester)
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->where('school_year', $schoolYear)
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->update($payload);
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}
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return $results;
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}
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private function normalizeIds(array $ids): array
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{
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$values = array_map('intval', $ids);
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$values = array_values(array_unique(array_filter($values, static fn ($v) => $v > 0)));
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return $values;
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}
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}
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