fix school year and enrollment steps

app/Controllers/ParentReportCardController.php

@@ -52,6 +52,7 @@ class ParentReportCardController extends BaseController
         $studentIds = array_values(array_filter(array_map(static fn ($s) => (int) ($s['id'] ?? 0), $students)));
 
         $ackMap = [];
+        $reportAvailableMap = $this->reportAvailabilityMap($studentIds, $schoolYear, $semester);
         if (! empty($studentIds)) {
             $rows = $this->ackModel
                 ->where('parent_id', $parentId)
@@ -67,6 +68,7 @@ class ParentReportCardController extends BaseController
         return view('parent/report_cards', [
             'students' => $students,
             'ackMap' => $ackMap,
+            'reportAvailableMap' => $reportAvailableMap,
             'schoolYear' => $schoolYear,
             'semester' => $semester,
             'isEditable' => ! $schoolYearContext->isReadonly(),
@@ -89,6 +91,11 @@ class ParentReportCardController extends BaseController
         $schoolYear = trim($schoolYearContext->yearName());
         $semester = trim((string) ($this->request->getGet('semester') ?? $this->configModel->getConfig('semester') ?? ''));
 
+        if (! $this->reportExists((int) $studentId, $schoolYear, $semester)) {
+            return redirect()->to(site_url('parent/report-cards'))
+                ->with('error', 'No report card exists for the selected school year and semester.');
+        }
+
         if (! $schoolYearContext->isReadonly()) {
             $this->touchAcknowledgement($parentId, (int) $studentId, $schoolYear, $semester, [
                 'viewed_at' => date('Y-m-d H:i:s'),
@@ -136,6 +143,12 @@ class ParentReportCardController extends BaseController
 
         $schoolYear = trim($schoolYearContext->yearName());
         $semester = trim((string) ($this->configModel->getConfig('semester') ?? ''));
+
+        if (! $this->reportExists((int) $studentId, $schoolYear, $semester)) {
+            return redirect()->to(site_url('parent/report-cards'))
+                ->with('error', 'No report card exists for the selected school year and semester.');
+        }
+
         $now = date('Y-m-d H:i:s');
         $this->touchAcknowledgement($parentId, (int) $studentId, $schoolYear, $semester, [
             'viewed_at' => $now,
@@ -173,6 +186,80 @@ class ParentReportCardController extends BaseController
         return $parentId ?: null;
     }
 
+    protected function reportAvailabilityMap(array $studentIds, string $schoolYear, string $semester): array
+    {
+        $studentIds = array_values(array_filter(array_map('intval', $studentIds), static fn ($id) => $id > 0));
+        if (empty($studentIds) || $schoolYear === '') {
+            return [];
+        }
+
+        $builder = $this->db->table('semester_scores')
+            ->select('student_id')
+            ->whereIn('student_id', $studentIds)
+            ->where('school_year', $schoolYear);
+
+        $semesterVariants = $this->semesterVariants($semester);
+        if (! empty($semesterVariants)) {
+            $builder->whereIn('semester', $semesterVariants);
+        }
+
+        $rows = $builder
+            ->groupBy('student_id')
+            ->get()
+            ->getResultArray();
+
+        $map = [];
+        foreach ($rows as $row) {
+            $sid = (int) ($row['student_id'] ?? 0);
+            if ($sid > 0) {
+                $map[$sid] = true;
+            }
+        }
+
+        return $map;
+    }
+
+    protected function reportExists(int $studentId, string $schoolYear, string $semester): bool
+    {
+        if ($studentId <= 0 || $schoolYear === '') {
+            return false;
+        }
+
+        $builder = $this->db->table('semester_scores')
+            ->select('id')
+            ->where('student_id', $studentId)
+            ->where('school_year', $schoolYear)
+            ->limit(1);
+
+        $semesterVariants = $this->semesterVariants($semester);
+        if (! empty($semesterVariants)) {
+            $builder->whereIn('semester', $semesterVariants);
+        }
+
+        return (bool) $builder->get()->getRowArray();
+    }
+
+    protected function semesterVariants(string $semester): array
+    {
+        $raw = trim($semester);
+        if ($raw === '') {
+            return [];
+        }
+
+        $normalized = strtolower($raw);
+        if ($normalized === 'fall' || $normalized === 'first' || str_contains($normalized, 'fall') || str_contains($normalized, '1')) {
+            $values = ['Fall', 'fall', 'First', 'first', 'Semester 1', 'semester 1', 'Semester1', 'semester1', 'Sem 1', 'sem 1', '1', '01', 'S1', 's1'];
+        } elseif ($normalized === 'spring' || $normalized === 'second' || str_contains($normalized, 'spring') || str_contains($normalized, '2')) {
+            $values = ['Spring', 'spring', 'Second', 'second', 'Semester 2', 'semester 2', 'Semester2', 'semester2', 'Sem 2', 'sem 2', '2', '02', 'S2', 's2'];
+        } else {
+            $values = [$raw];
+        }
+
+        $values[] = $raw;
+
+        return array_values(array_unique($values));
+    }
+
     protected function touchAcknowledgement(
         int $parentId,
         int $studentId,