From a16ee2740c0db7be61bdf48d9c491988d4e6c62f Mon Sep 17 00:00:00 2001
From: NiseVoid <nisevoid@gmail.com>
Date: Sun, 18 Nov 2018 16:29:06 +0100
Subject: [PATCH] Add error to return of Reader

---
 default.go |  7 +++----
 router.go  | 13 +++++++++----
 2 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/default.go b/default.go
index d36c6c8..ecda050 100644
--- a/default.go
+++ b/default.go
@@ -17,12 +17,11 @@ func defaultErrorHandler(c *Context, err interface{}) {
 	_ = c.StatusText(http.StatusInternalServerError)
 }
 
-func defaultReader(c *Context, dst interface{}) bool {
+func defaultReader(c *Context, dst interface{}) (bool, error) {
 	err := json.NewDecoder(c.Request.Body).Decode(dst)
 	if err != nil {
-		c.NoContent(400)
-		return false
+		return false, c.StatusText(http.StatusBadRequest)
 	}
 
-	return true
+	return true, nil
 }
diff --git a/router.go b/router.go
index 79bbb71..04980c1 100644
--- a/router.go
+++ b/router.go
@@ -24,7 +24,7 @@ type ErrorHandle func(*Context, interface{})
 type Middleware func(Handle) Handle
 
 // Binder reads input to dst, returns true is successful
-type Reader func(c *Context, dst interface{}) bool
+type Reader func(c *Context, dst interface{}) (bool, error)
 
 // Router is the router itself
 type Router struct {
@@ -164,11 +164,16 @@ func handlePOST(r *Router, f interface{}) Handle {
 	return func(c *Context) error {
 		data := reflect.New(inputRt)
 
-		if !r.Reader(c, data.Interface()) {
+		if r.Reader != nil {
+			ok, err := r.Reader(c, data.Interface())
 			c.Request.Body.Close()
-			return nil
+			if err != nil {
+				return err
+			}
+			if !ok {
+				return nil
+			}
 		}
-		c.Request.Body.Close()
 
 		out := funcRv.Call([]reflect.Value{reflect.ValueOf(c), data.Elem()})