12-05-2026 Frontend dev

app/Services/Admin/AdminRequestPerformanceMetrics.php

@@ -0,0 +1,78 @@
+<?php
+
+namespace App\Services\Admin;
+
+use Illuminate\Database\Events\QueryExecuted;
+
+class AdminRequestPerformanceMetrics
+{
+    private bool $active = false;
+
+    private int $queryCount = 0;
+
+    private float $databaseTimeMs = 0.0;
+
+    /**
+     * @var list<array{sql: string, time_ms: float, connection: ?string}>
+     */
+    private array $slowQueries = [];
+
+    public function start(): void
+    {
+        $this->active = true;
+        $this->queryCount = 0;
+        $this->databaseTimeMs = 0.0;
+        $this->slowQueries = [];
+    }
+
+    /**
+     * @return array{database_time_ms: float, query_count: int, slow_queries: list<array{sql: string, time_ms: float, connection: ?string}>}
+     */
+    public function snapshot(): array
+    {
+        return [
+            'database_time_ms' => round($this->databaseTimeMs, 2),
+            'query_count' => $this->queryCount,
+            'slow_queries' => $this->slowQueries,
+        ];
+    }
+
+    public function stop(): void
+    {
+        $this->active = false;
+    }
+
+    public function record(QueryExecuted $query): void
+    {
+        if (! $this->active) {
+            return;
+        }
+
+        $this->queryCount++;
+        $this->databaseTimeMs += $query->time;
+
+        if ($query->time < $this->slowQueryThresholdMs()) {
+            return;
+        }
+
+        if (count($this->slowQueries) >= $this->maxSlowQueries()) {
+            return;
+        }
+
+        $this->slowQueries[] = [
+            'sql' => $query->sql,
+            'time_ms' => round($query->time, 2),
+            'connection' => $query->connectionName,
+        ];
+    }
+
+    private function slowQueryThresholdMs(): int
+    {
+        return (int) config('admin_performance.slow_requests.slow_query_threshold_ms', 50);
+    }
+
+    private function maxSlowQueries(): int
+    {
+        return max(0, (int) config('admin_performance.slow_requests.max_slow_queries', 5));
+    }
+}