added RuleHelper, release 3.1.1

src/RuleHelper.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace leandrogehlen\querybuilder;
+
+class RuleHelper
+{
+
+    /**
+     * Adds a table prefix for any field in conditions if not existing
+     * @param array $rules for Translator
+     * @param string $prefix
+     * @return array
+     */
+    public static function addPrefixToRules(array $rules, string $prefix) : array
+    {
+        if (!isset($rules['rules']) || !$rules['rules']) {
+            return $rules;
+        }
+
+        $out = [];
+        foreach ($rules['rules'] as $key => $rule) {
+            if (isset($rule['condition'])) {
+                $out[$key] = static::addPrefixToRules($rule, $prefix);
+            } else {
+                if(!str_contains($rule['field'], ".")) {
+                    $rule['field'] = "$prefix.".$rule['field'];
+                }
+                $out[$key] = $rule;
+            }
+        }
+        $rules['rules'] = $out;
+        return $rules;
+
+    }
+
+
+
+
+}