Implement compliance exports and retention overrides

app/Services/Compliance/RetentionOverrideService.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Services\Compliance;
+
+use App\Enums\RetentionOverrideScope;
+use App\Models\Event;
+use App\Models\RetentionOverride;
+use App\Models\Tenant;
+
+class RetentionOverrideService
+{
+    public function tenantOnHold(Tenant $tenant): bool
+    {
+        return RetentionOverride::query()
+            ->where('scope', RetentionOverrideScope::TENANT->value)
+            ->where('tenant_id', $tenant->id)
+            ->whereNull('released_at')
+            ->exists();
+    }
+
+    public function eventOnHold(Event $event): bool
+    {
+        return RetentionOverride::query()
+            ->whereNull('released_at')
+            ->where(function ($query) use ($event) {
+                $query->where(function ($inner) use ($event) {
+                    $inner->where('scope', RetentionOverrideScope::EVENT->value)
+                        ->where('event_id', $event->id);
+                })->orWhere(function ($inner) use ($event) {
+                    $inner->where('scope', RetentionOverrideScope::TENANT->value)
+                        ->where('tenant_id', $event->tenant_id);
+                });
+            })
+            ->exists();
+    }
+}