Merge pull request #23 from highlight-run/cameron/hig-1438-add-gorilla-mux-example-to-go-client

Create gorilla/mux middleware and example

Author: cameronbrill

middleware/gorillamux/middleware.go

@@ -0,0 +1,23 @@
+package gorillamux
+
+import (
+	"net/http"
+
+	"github.com/highlight-run/highlight-go"
+)
+
+// Middleware is a gorilla/mux compatible middleware
+// use as follows:
+//
+// import highlightgorilla "github.com/highlight-run/highlight-go/middleware/gorillamux"
+// ...
+// r.Use(highlightgorilla.Middleware)
+//
+func Middleware(next http.Handler) http.Handler {
+	fn := func(w http.ResponseWriter, r *http.Request) {
+		ctx := highlight.InterceptRequest(r)
+		r = r.WithContext(ctx)
+		next.ServeHTTP(w, r)
+	}
+	return http.HandlerFunc(fn)
+}