Factoring the model user and correcting password

model-user.go

@@ -166,7 +166,7 @@ func replaceIfContent(modifReq *ldap.ModifyRequest, key string, value string, pr
 	if value != "" {
 		modifReq.Replace(key, []string{value})
 	} else {
-		modifReq.Delete(key, []string{value})
+		modifReq.Delete(key, []string{previousValue})
 	}
 	return nil
 }

profile.go

@@ -59,11 +59,13 @@ func handleProfile(w http.ResponseWriter, r *http.Request) {
 		data.GivenName = user.GivenName
 		data.Surname = user.SN
 		data.Description = user.Description
-		err := modify(user, config, login.conn)
-		if err != nil {
-			data.ErrorMessage = "handleProfile : " + err.Error()
-		} else {
-			data.Success = true
+		if user.Mail != "" {
+			err := modify(user, config, login.conn)
+			if err != nil {
+				data.ErrorMessage = "handleProfile : " + err.Error()
+			} else {
+				data.Success = true
+			}
 		}
 
 		/*