uuid generator

application/Espo/Core/Utils/Id/DefaultRecordIdGenerator.php

@@ -29,6 +29,7 @@
 
 namespace Espo\Core\Utils\Id;
 
+use Espo\Core\Utils\Metadata;
 use Espo\Core\Utils\Util;
 
 /**
@@ -36,8 +37,17 @@ use Espo\Core\Utils\Util;
  */
 class DefaultRecordIdGenerator implements RecordIdGenerator
 {
+    private bool $isUuid;
+
+    public function __construct(Metadata $metadata)
+    {
+        $this->isUuid = $metadata->get(['app', 'recordId', 'dbType']) === 'uuid';
+    }
+
     public function generate(): string
     {
-        return Util::generateId();
+        return $this->isUuid ?
+            Util::generateUuid4() :
+            Util::generateId();
     }
 }

application/Espo/Core/Utils/Util.php

@@ -630,6 +630,21 @@ class Util
         return true;
     }
 
+    /**
+     * Generate a UUID v4.
+     */
+    public static function generateUuid4(): string
+    {
+        try {
+            $hex = bin2hex(random_bytes(16));
+        }
+        catch (\Exception $e) {
+            throw new \RuntimeException("Could not generate UUID.");
+        }
+
+        return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split($hex, 4));
+    }
+
     /**
      * Generate a 17-character hex ID.
      */