fix: refactored the codebase

app/Services/Rooms/RoomStatisticsService.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace App\Services\Rooms;
+
+use App\Models\Room;
+
+class RoomStatisticsService
+{
+    /**
+     * @return array{average: string|null, median: string|null}|null
+     */
+    public function currentRound(Room $room): ?array
+    {
+        if ($room->revealed_at === null) {
+            return null;
+        }
+
+        $values = [];
+
+        foreach ($room->players as $player) {
+            $vote = $player->votes->first();
+
+            if ($vote !== null && is_numeric($vote->value)) {
+                $values[] = (float) $vote->value;
+            }
+        }
+
+        sort($values, SORT_NUMERIC);
+        $count = count($values);
+
+        if ($count === 0) {
+            return ['average' => null, 'median' => null];
+        }
+
+        $middle = intdiv($count, 2);
+        $median = $count % 2 === 1
+            ? $values[$middle]
+            : ($values[$middle - 1] + $values[$middle]) / 2;
+
+        return [
+            'average' => number_format(array_sum($values) / $count, 2, ',', ''),
+            'median' => number_format($median, 2, ',', ''),
+        ];
+    }
+}