optimizations

app/Http/Controllers/Api/Admin/DiscoveryFeedbackReportController.php

@@ -0,0 +1,53 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Http\Controllers\Api\Admin;
+
+use App\Http\Controllers\Controller;
+use App\Services\Analytics\DiscoveryFeedbackReportService;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+final class DiscoveryFeedbackReportController extends Controller
+{
+    public function __construct(private readonly DiscoveryFeedbackReportService $reportService) {}
+
+    public function index(Request $request): JsonResponse
+    {
+        $validated = $request->validate([
+            'from' => ['nullable', 'date_format:Y-m-d'],
+            'to' => ['nullable', 'date_format:Y-m-d'],
+            'limit' => ['nullable', 'integer', 'min:1', 'max:100'],
+        ]);
+
+        $from = (string) ($validated['from'] ?? now()->subDays(13)->toDateString());
+        $to = (string) ($validated['to'] ?? now()->toDateString());
+        $limit = (int) ($validated['limit'] ?? 20);
+
+        if ($from > $to) {
+            return response()->json([
+                'message' => 'Invalid date range: from must be before or equal to to.',
+            ], Response::HTTP_UNPROCESSABLE_ENTITY);
+        }
+
+        $report = $this->reportService->buildReport($from, $to, $limit);
+
+        return response()->json([
+            'meta' => [
+                'from' => $from,
+                'to' => $to,
+                'limit' => $limit,
+                'generated_at' => now()->toISOString(),
+            ],
+            'overview' => $report['overview'],
+            'daily_feedback' => $report['daily_feedback'],
+            'trend_summary' => $report['trend_summary'],
+            'by_surface' => $report['by_surface'],
+            'by_algo_surface' => $report['by_algo_surface'],
+            'top_artworks' => $report['top_artworks'],
+            'latest_aggregated_date' => $report['latest_aggregated_date'],
+        ], Response::HTTP_OK);
+    }
+}