feat: Add Filament widgets to visualize verification performance and issue distribution by location.

app/Filament/Widgets/IssueLocationChart.php

@@ -0,0 +1,57 @@
+<?php
+
+namespace App\Filament\Widgets;
+
+use App\Models\IssueManagement;
+use Filament\Widgets\ChartWidget;
+use Illuminate\Support\Facades\DB;
+
+class IssueLocationChart extends ChartWidget
+{
+    protected ?string $heading = 'Sebaran Isu Berdasarkan Wilayah';
+
+    protected static ?int $sort = 15;
+
+    protected int|string|array $columnSpan = 'full';
+
+    protected function getData(): array
+    {
+        $issueTable = (new IssueManagement)->getTable();
+        $locationTable = (new \App\Models\Location)->getTable();
+
+        $data = IssueManagement::query()
+            ->join($locationTable, "{$issueTable}.location_id", '=', "{$locationTable}.id")
+            ->select("{$locationTable}.name", DB::raw('count(*) as total'))
+            ->groupBy("{$locationTable}.id", "{$locationTable}.name")
+            ->orderByDesc('total')
+            ->limit(10)
+            ->get();
+
+        return [
+            'datasets' => [
+                [
+                    'label' => 'Jumlah Isu',
+                    'data' => $data->pluck('total')->toArray(),
+                    'backgroundColor' => [
+                        '#6366F1',
+                        '#8B5CF6',
+                        '#EC4899',
+                        '#F43F5E',
+                        '#F59E0B',
+                        '#10B981',
+                        '#06B6D4',
+                        '#3B82F6',
+                        '#6366F1',
+                        '#8B5CF6',
+                    ],
+                ],
+            ],
+            'labels' => $data->pluck('name')->toArray(),
+        ];
+    }
+
+    protected function getType(): string
+    {
+        return 'bar';
+    }
+}

app/Filament/Widgets/VerificationPerformanceChart.php

@@ -0,0 +1,63 @@
+<?php
+
+namespace App\Filament\Widgets;
+
+use App\Enums\VerificationStatus;
+use App\Models\VerificationRequest;
+use Filament\Widgets\ChartWidget;
+use Illuminate\Support\Facades\DB;
+
+class VerificationPerformanceChart extends ChartWidget
+{
+    protected ?string $heading = 'Performa Verifikasi (Approved vs Rejected)';
+
+    protected static ?int $sort = 14;
+
+    protected int|string|array $columnSpan = 'full';
+
+    protected function getData(): array
+    {
+        $data = VerificationRequest::query()
+            ->select(
+                DB::raw('COUNT(*) as count'),
+                DB::raw('status'),
+                DB::raw("DATE_FORMAT(created_at, '%Y-%m') as month")
+            )
+            ->whereIn('status', [VerificationStatus::APPROVED, VerificationStatus::REJECTED])
+            ->where('created_at', '>=', now()->subMonths(6))
+            ->groupBy('month', 'status')
+            ->orderBy('month')
+            ->get();
+
+        $months = $data->pluck('month')->unique()->sort()->values();
+
+        $approvedData = [];
+        $rejectedData = [];
+
+        foreach ($months as $month) {
+            $approvedData[] = $data->where('month', $month)->where('status', VerificationStatus::APPROVED)->first()?->count ?? 0;
+            $rejectedData[] = $data->where('month', $month)->where('status', VerificationStatus::REJECTED)->first()?->count ?? 0;
+        }
+
+        return [
+            'datasets' => [
+                [
+                    'label' => 'Disetujui',
+                    'data' => $approvedData,
+                    'backgroundColor' => '#10B981',
+                ],
+                [
+                    'label' => 'Ditolak',
+                    'data' => $rejectedData,
+                    'backgroundColor' => '#EF4444',
+                ],
+            ],
+            'labels' => $months->map(fn ($m) => \Carbon\Carbon::createFromFormat('Y-m', $m)->translatedFormat('M Y'))->toArray(),
+        ];
+    }
+
+    protected function getType(): string
+    {
+        return 'bar';
+    }
+}