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app/Http/Controllers/Admin/DashboardController.php

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+<?php
+
+namespace App\Http\Controllers\Admin;
+
+use App\Http\Controllers\Controller;
+use App\Models\Department;
+use App\Models\TranscriptionProject;
+use App\Models\User;
+use Illuminate\Support\Facades\DB;
+use Illuminate\View\View;
+
+class DashboardController extends Controller
+{
+    public function index(): View
+    {
+        $stats = [
+            'users_active'            => User::where('is_active', true)->where('role', 'user')->count(),
+            'users_inactive'          => User::where('is_active', false)->where('role', 'user')->count(),
+            'users_total'             => User::where('role', 'user')->count(),
+            'projects_total'          => TranscriptionProject::count(),
+            'projects_pending'        => TranscriptionProject::where('transcription_status', 'pending')->count(),
+            'projects_processing'     => TranscriptionProject::where('transcription_status', 'processing')->count(),
+            'projects_completed'      => TranscriptionProject::where('transcription_status', 'completed')->count(),
+            'projects_failed'         => TranscriptionProject::where('transcription_status', 'failed')->count(),
+            'projects_deleted'        => TranscriptionProject::onlyTrashed()->count(),
+            'projects_last_7'         => TranscriptionProject::where('created_at', '>=', now()->subDays(7))->count(),
+            'projects_last_30'        => TranscriptionProject::where('created_at', '>=', now()->subDays(30))->count(),
+            'storage_bytes'           => (int) TranscriptionProject::sum('file_size'),
+            'storage_completed_bytes' => (int) TranscriptionProject::where('transcription_status', 'completed')->sum('file_size'),
+            'duration_total_seconds'  => (int) TranscriptionProject::whereNotNull('duration_seconds')->sum('duration_seconds'),
+        ];
+
+        // Top 5 pengguna paling aktif (by project count)
+        $topUsers = User::where('role', 'user')
+            ->withCount('ownedProjects')
+            ->orderByDesc('owned_projects_count')
+            ->limit(5)
+            ->get(['id', 'name', 'email']);
+
+        // Trend projek 30 hari lepas (group by date)
+        $trendRaw = TranscriptionProject::select(
+                DB::raw('DATE(created_at) as date'),
+                DB::raw('COUNT(*) as total'),
+                DB::raw('SUM(CASE WHEN transcription_status = "completed" THEN 1 ELSE 0 END) as completed'),
+                DB::raw('SUM(CASE WHEN transcription_status = "failed" THEN 1 ELSE 0 END) as failed')
+            )
+            ->where('created_at', '>=', now()->subDays(29)->startOfDay())
+            ->groupBy(DB::raw('DATE(created_at)'))
+            ->orderBy('date')
+            ->get();
+
+        // Projek mengikut jabatan (metadata sahaja)
+        $deptStats = Department::select('departments.name')
+            ->selectRaw('COUNT(tp.id) as project_count')
+            ->leftJoin('users', 'users.department_id', '=', 'departments.id')
+            ->leftJoin('transcription_projects as tp', 'tp.owner_user_id', '=', 'users.id')
+            ->where('departments.is_active', true)
+            ->groupBy('departments.id', 'departments.name')
+            ->orderByDesc('project_count')
+            ->limit(8)
+            ->get();
+
+        return view('admin.dashboard', compact('stats', 'topUsers', 'trendRaw', 'deptStats'));
+    }
+}