fix calendar page

app/Http/Controllers/Web/AdminCalendarPageController.php

@@ -0,0 +1,59 @@
+<?php
+
+namespace App\Http\Controllers\Web;
+
+use App\Http\Controllers\Controller;
+use App\Services\Settings\SchoolCalendar\SchoolCalendarContextService;
+use App\Services\Settings\SchoolCalendar\SchoolCalendarQueryService;
+use Illuminate\Contracts\View\View;
+use Illuminate\Http\Request;
+
+class AdminCalendarPageController extends Controller
+{
+    public function __construct(
+        private SchoolCalendarContextService $contextService,
+        private SchoolCalendarQueryService $queryService,
+    ) {}
+
+    public function show(Request $request): View
+    {
+        $schoolYear = trim((string) $request->query('school_year', ''));
+        if ($schoolYear === '') {
+            $schoolYear = $this->contextService->defaultSchoolYear();
+        }
+
+        $semester = trim((string) $request->query('semester', ''));
+        $filters = ['school_year' => $schoolYear];
+        if ($semester !== '') {
+            $filters['semester'] = $semester;
+        }
+
+        $events = $this->queryService->listEvents($filters);
+
+        return view('admin.calendar', [
+            'events' => $events,
+            'schoolYear' => $schoolYear,
+            'semester' => $semester,
+            'defaultSemester' => $semester !== '' ? $semester : $this->contextService->defaultSemester(),
+            'schoolYears' => $this->schoolYearOptions($schoolYear),
+        ]);
+    }
+
+    /**
+     * @return list<string>
+     */
+    private function schoolYearOptions(string $selectedSchoolYear): array
+    {
+        $currentYear = (int) date('Y') + 1;
+        $years = [];
+        for ($year = $currentYear; $year >= 2023; $year--) {
+            $years[] = ($year - 1).'-'.$year;
+        }
+
+        if ($selectedSchoolYear !== '' && ! in_array($selectedSchoolYear, $years, true)) {
+            array_unshift($years, $selectedSchoolYear);
+        }
+
+        return array_values(array_unique($years));
+    }
+}