alrahma_sunday_school_api/app/Http/Controllers/Web/AdminCalendarPageController.php

<?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));
    }
}