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app/Http/Controllers/CounterController.php

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+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\AttendanceRecord;
+use App\Models\AuditLog;
+use App\Models\Member;
+use Illuminate\Database\UniqueConstraintViolationException;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+use Illuminate\View\View;
+
+class CounterController extends Controller
+{
+    public function index(): View
+    {
+        return view('counter.index');
+    }
+
+    /** Live search (AJAX) — laju untuk ~200 peserta */
+    public function search(Request $request): JsonResponse
+    {
+        $term = trim((string) $request->query('q', ''));
+
+        if (mb_strlen($term) < 2) {
+            return response()->json(['data' => [], 'message' => 'Taip sekurang-kurangnya 2 aksara.']);
+        }
+
+        $members = Member::query()
+            ->search($term)
+            ->with('attendance')
+            ->orderBy('nama')
+            ->limit(25)
+            ->get()
+            ->map(fn (Member $m) => $this->present($m));
+
+        return response()->json([
+            'data' => $members,
+            'message' => $members->isEmpty()
+                ? 'Rekod tidak dijumpai. Individu ini bukan anggota koperasi yang berdaftar.'
+                : null,
+        ]);
+    }
+
+    /** Rekod kehadiran — elak double attendance */
+    public function store(Request $request): JsonResponse
+    {
+        $data = $request->validate([
+            'member_id' => ['required', 'integer', 'exists:members,id'],
+        ]);
+
+        $member = Member::with('attendance')->findOrFail($data['member_id']);
+
+        if ($member->attendance) {
+            return response()->json([
+                'status' => 'already',
+                'message' => 'Anggota ini sudah direkodkan hadir.',
+                'member' => $this->present($member),
+            ], 200);
+        }
+
+        try {
+            $attendance = AttendanceRecord::create([
+                'member_id' => $member->id,
+                'attended_at' => now(),
+                'recorded_by' => $request->user()->id,
+                'ip_address' => $request->ip(),
+                'user_agent' => substr((string) $request->userAgent(), 0, 255),
+            ]);
+        } catch (UniqueConstraintViolationException $e) {
+            // Race: dua kaunter rekod serentak
+            $member->load('attendance');
+
+            return response()->json([
+                'status' => 'already',
+                'message' => 'Anggota ini sudah direkodkan hadir.',
+                'member' => $this->present($member),
+            ], 200);
+        }
+
+        AuditLog::record('attendance.record', "Rekod hadir: {$member->nama}", $attendance, [
+            'member_id' => $member->id,
+        ]);
+
+        $member->load('attendance');
+
+        return response()->json([
+            'status' => 'ok',
+            'message' => "Kehadiran {$member->nama} berjaya direkodkan.",
+            'member' => $this->present($member),
+        ]);
+    }
+
+    private function present(Member $m): array
+    {
+        return [
+            'id' => $m->id,
+            'nama' => $m->nama,
+            'no_pekerja' => $m->no_pekerja,
+            'no_anggota' => $m->no_anggota,
+            'masked_kp' => $m->maskedKp(),
+            'jabatan' => $m->jabatan,
+            'bahagian' => $m->bahagian,
+            'status_aktif' => (bool) $m->status_aktif,
+            'hadir' => (bool) $m->attendance,
+            'attended_at' => $m->attendance?->attended_at?->format('d/m/Y H:i:s'),
+        ];
+    }
+}