From c1f10d57e97f28529a654424fa1a60aedd39b49e Mon Sep 17 00:00:00 2001
From: Valerio Gheri <valerio.gheri@gmail.com>
Date: Wed, 1 Feb 2017 14:38:14 +0100
Subject: [PATCH] Added helper to detect if a url contains variables in the
 form of url parameters with the same name of the fields of a specific
 protobuf  message

---
 helpers.go | 33 +++++++++++++++++++++++----------
 1 file changed, 23 insertions(+), 10 deletions(-)

diff --git a/helpers.go b/helpers.go
index 8f34beb..ae1d58a 100644
--- a/helpers.go
+++ b/helpers.go
@@ -60,16 +60,17 @@ var ProtoHelpersFuncMap = template.FuncMap{
 	"kebabCase": func(s string) string {
 		return strings.Replace(xstrings.ToSnakeCase(s), "_", "-", -1)
 	},
-	"snakeCase":          xstrings.ToSnakeCase,
-	"getMessageType":     getMessageType,
-	"isFieldMessage":     isFieldMessage,
-	"isFieldRepeated":    isFieldRepeated,
-	"goType":             goType,
-	"jsType":             jsType,
-	"namespacedFlowType": namespacedFlowType,
-	"httpVerb":           httpVerb,
-	"httpPath":           httpPath,
-	"shortType":          shortType,
+	"snakeCase":             xstrings.ToSnakeCase,
+	"getMessageType":        getMessageType,
+	"isFieldMessage":        isFieldMessage,
+	"isFieldRepeated":       isFieldRepeated,
+	"goType":                goType,
+	"jsType":                jsType,
+	"namespacedFlowType":    namespacedFlowType,
+	"httpVerb":              httpVerb,
+	"httpPath":              httpPath,
+	"shortType":             shortType,
+	"urlHasVarsFromMessage": urlHasVarsFromMessage,
 }
 
 func init() {
@@ -242,3 +243,15 @@ func httpVerb(m *descriptor.MethodDescriptorProto) string {
 		return t.Custom.Kind
 	}
 }
+
+func urlHasVarsFromMessage(path string, d *descriptor.DescriptorProto) bool {
+	for _, field := range d.Field {
+		if !isFieldMessage(field) {
+			if strings.Contains(path, fmt.Sprintf("{%s}", *field.Name)) {
+				return true
+			}
+		}
+	}
+
+	return false
+}