Add manufacturer lot traceability

modules/system/audit.php

@@ -0,0 +1,30 @@
+<?php
+declare(strict_types=1);
+
+function system_write_audit_log(
+    PDO $pdo,
+    string $entityName,
+    string $entityId,
+    string $action,
+    ?string $changedBy,
+    array $beforeData,
+    array $afterData,
+    array $context = []
+): void {
+    $stmt = $pdo->prepare(
+        "INSERT INTO audit_log (
+            entity_name, entity_id, action, changed_by, before_data, after_data, context
+         ) VALUES (
+            :entity_name, :entity_id, :action, :changed_by, :before_data::jsonb, :after_data::jsonb, :context::jsonb
+         )"
+    );
+    $stmt->execute([
+        ':entity_name' => $entityName,
+        ':entity_id' => $entityId,
+        ':action' => $action,
+        ':changed_by' => $changedBy,
+        ':before_data' => json_encode($beforeData, JSON_THROW_ON_ERROR),
+        ':after_data' => json_encode($afterData, JSON_THROW_ON_ERROR),
+        ':context' => json_encode($context, JSON_THROW_ON_ERROR),
+    ]);
+}