structure changes

tools/server/response.go

@@ -0,0 +1,25 @@
+package server
+
+import (
+	"encoding/json"
+	"errors"
+	"net/http"
+)
+
+// RespondJSON
+func RespondJSON(w http.ResponseWriter, message map[string]string, code int, err error) (int, error) {
+	msg, msgErr := json.Marshal(message)
+
+	if msgErr != nil {
+		return 500, msgErr
+	}
+
+	if code == 500 && err != nil {
+		err = errors.New(message["message"])
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(code)
+	w.Write(msg)
+	return 0, err
+}