10.April 2026

app/Services/Incentive/IncentiveCalculationService.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace App\Services\Incentive;
+
+use App\Models\Incentive;
+use App\Models\IncentiveParticipant;
+use Illuminate\Support\Facades\Log;
+
+class IncentiveCalculationService
+{
+    /**
+     * Full recalculation of an incentive (batch / cron / manual).
+     * Normal: Neuberechnung aus Tracking-Tabellen + Log.
+     * Force: Kompletter Neuaufbau aus Quelldaten (Users, UserAbos, UserSalesVolumes).
+     */
+    public function recalculate(Incentive $incentive, bool $force = false): array
+    {
+        $stats = ['participants' => 0, 'errors' => 0];
+
+        $participants = $incentive->participants()->with('user')->get();
+
+        foreach ($participants as $participant) {
+            try {
+                $this->recalculateParticipant($participant, $force);
+                $stats['participants']++;
+            } catch (\Throwable $e) {
+                $stats['errors']++;
+                Log::error('IncentiveCalculation error for participant '.$participant->id.': '.$e->getMessage());
+            }
+        }
+
+        IncentiveTracker::updateRanking($incentive);
+
+        return $stats;
+    }
+
+    /**
+     * Recalculate a single participant.
+     * Force: Kompletter Neuaufbau aus Quelldaten.
+     * Normal: Neuberechnung aus vorhandenen Tracking-Tabellen + Log.
+     */
+    public function recalculateParticipant(IncentiveParticipant $participant, bool $force = false): void
+    {
+        if (! $participant->user) {
+            return;
+        }
+
+        if ($force) {
+            $participant->rebuildFromSourceTables()->save();
+        } else {
+            $participant->recalculateFromTrackingTables()->save();
+        }
+    }
+}