Initial commit: CloudOps infrastructure platform

docker-compose/mautic-setup/mautic-backup-files/docroot/app/bundles/LeadBundle/Deduplicate/Helper/MergeValueHelper.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace Mautic\LeadBundle\Deduplicate\Helper;
+
+use Mautic\LeadBundle\Deduplicate\Exception\ValueNotMergeableException;
+
+class MergeValueHelper
+{
+    /**
+     * @param mixed $newerValue
+     * @param mixed $olderValue
+     * @param mixed $currentValue
+     * @param mixed $defaultValue
+     * @param bool  $newIsAnonymous
+     *
+     * @return mixed
+     *
+     * @throws ValueNotMergeableException
+     */
+    public static function getMergeValue($newerValue, $olderValue, $currentValue = null, $defaultValue = null, $newIsAnonymous = false)
+    {
+        if ($newerValue === $olderValue) {
+            throw new ValueNotMergeableException($newerValue, $olderValue);
+        }
+
+        if (null !== $currentValue && $newerValue === $currentValue) {
+            throw new ValueNotMergeableException($newerValue, $olderValue);
+        }
+
+        $isDefaultValue = null !== $defaultValue && $newerValue === $defaultValue;
+
+        if (self::isNotEmpty($newerValue) && !($newIsAnonymous && $isDefaultValue)) {
+            return $newerValue;
+        }
+
+        if (self::isNotEmpty($olderValue)) {
+            return $olderValue;
+        }
+
+        throw new ValueNotMergeableException($newerValue, $olderValue);
+    }
+
+    public static function isNotEmpty($value): bool
+    {
+        return null !== $value && '' !== $value;
+    }
+}