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app/Services/RegistrationPeriodService.php

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+<?php
+
+namespace App\Services;
+
+use App\Models\Election;
+use App\Models\ElectionSetting;
+use Illuminate\Support\Carbon;
+
+class RegistrationPeriodService
+{
+    public function isOpen(Election $election, ?Carbon $date = null): bool
+    {
+        /** @var ElectionSetting|null $setting */
+        $setting = $election->settings;
+
+        if ($setting === null) {
+            return false;
+        }
+
+        if ($setting->is_registration_open_override !== null) {
+            return $setting->is_registration_open_override;
+        }
+
+        if (! $setting->is_registration_open) {
+            return false;
+        }
+
+        $currentDate = ($date ?? now())->toDateString();
+
+        return Carbon::parse($setting->registration_start_date)->toDateString() <= $currentDate
+            && Carbon::parse($setting->registration_end_date)->toDateString() >= $currentDate;
+    }
+
+    public function closedMessage(Election $election): string
+    {
+        /** @var ElectionSetting|null $setting */
+        $setting = $election->settings;
+
+        if ($setting === null) {
+            return 'Pendaftaran belum dibuka untuk pilihanraya ini.';
+        }
+
+        if ($setting->is_registration_open_override === false || ! $setting->is_registration_open) {
+            return 'Pendaftaran permohonan petugas telah ditutup.';
+        }
+
+        return 'Pendaftaran dibuka dari '
+            .Carbon::parse($setting->registration_start_date)->format('d/m/Y')
+            .' hingga '
+            .Carbon::parse($setting->registration_end_date)->format('d/m/Y')
+            .'.';
+    }
+}