persegi/app/Observers/CashRecordObserver.php

<?php

namespace App\Observers;

use App\Models\ActivityLog;
use App\Models\Approval;
use App\Models\CashRecord;
use App\Models\Vote;
use App\Services\NotificationService;
use Illuminate\Support\Facades\Auth;

class CashRecordObserver
{
    public function created(CashRecord $record): void
    {
        ActivityLog::create([
            'user_id'     => Auth::id(),
            'action'      => 'created',
            'model_type'  => CashRecord::class,
            'model_id'    => $record->id,
            'description' => "Transaksi kas baru: {$record->description} sebesar Rp " . number_format($record->amount, 0, ',', '.'),
        ]);

        // Threshold: 500rb–2jt → buat approval ketua + notif
        if ($record->amount >= 500_000 && $record->amount <= 2_000_000) {
            $approval = Approval::create([
                'model_type'         => CashRecord::class,
                'model_id'           => $record->id,
                'required_approvals' => 1,
                'status'             => 'pending',
            ]);

            NotificationService::toRole('ketua',
                'Transaksi Kas Butuh Persetujuan',
                "Transaksi \"{$record->description}\" senilai Rp " . number_format($record->amount, 0, ',', '.') . " menunggu persetujuan Anda.",
                'warning',
                route('filament.admin.resources.cash-records.index')
            );
        }

        // Threshold: > 2jt → buat voting + notif semua anggota
        if ($record->amount > 2_000_000) {
            Vote::create([
                'title'      => "Persetujuan Transaksi: {$record->description}",
                'description' => "Transaksi senilai Rp " . number_format($record->amount, 0, ',', '.') . " memerlukan persetujuan voting.",
                'type'       => 'finance',
                'related_id' => $record->id,
                'status'     => 'open',
                'deadline'   => now()->addDays(3),
                'created_by' => Auth::id(),
            ]);

            NotificationService::toRole('ketua',
                'Voting Transaksi Besar Dibuat',
                "Transaksi \"{$record->description}\" senilai Rp " . number_format($record->amount, 0, ',', '.') . " memerlukan voting.",
                'warning',
                route('filament.admin.resources.votes.index')
            );
        }
    }

    public function updated(CashRecord $record): void
    {
        if ($record->wasChanged('verified_by') && $record->verified_by !== null) {
            ActivityLog::create([
                'user_id'     => Auth::id(),
                'action'      => 'verified',
                'model_type'  => CashRecord::class,
                'model_id'    => $record->id,
                'description' => "Transaksi kas diverifikasi: {$record->description}",
            ]);
        }
    }

    public function deleting(CashRecord $record): void
    {
        if ($record->verified_at !== null) {
            \Filament\Notifications\Notification::make()
                ->title('Tidak dapat dihapus')
                ->body('Transaksi yang sudah diverifikasi tidak dapat dihapus.')
                ->danger()
                ->send();

            abort(403);
        }
    }
}