From d8e58240e7a0403a5946ab4f503532144c0a9f95 Mon Sep 17 00:00:00 2001
From: Tony Tushar <tony@revunit.com>
Date: Thu, 15 May 2025 16:35:55 -0500
Subject: [PATCH] add salt function

---
 expr/builtins/hash_and_encode.go | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/expr/builtins/hash_and_encode.go b/expr/builtins/hash_and_encode.go
index 0b6624b..48dc3cb 100644
--- a/expr/builtins/hash_and_encode.go
+++ b/expr/builtins/hash_and_encode.go
@@ -186,3 +186,22 @@ func encodeB64DecodeEval(ctx expr.EvalContext, args []value.Value) (value.Value,
 	}
 	return value.NewStringValue(string(by)), true
 }
+
+// RandomSalt generates a random ten-digit number as a string
+//
+//	random_salt() => "1234567890"
+type RandomSalt struct{}
+
+// Type string
+func (m *RandomSalt) Type() value.ValueType { return value.StringType }
+func (m *RandomSalt) Validate(n *expr.FuncNode) (expr.EvaluatorFunc, error) {
+	if len(n.Args) != 0 {
+		return nil, fmt.Errorf("Expected 0 args for random_salt() but got %s", n)
+	}
+	return randomSaltEval, nil
+}
+func randomSaltEval(ctx expr.EvalContext, args []value.Value) (value.Value, bool) {
+	// Generate a random number between 1000000000 and 9999999999
+	randomNum := rand.Int63n(9000000000) + 1000000000
+	return value.NewStringValue(fmt.Sprintf("%d", randomNum)), true
+}