[OperationContract]
[FaultContract(typeof(DbFaultContract))]
[FaultContract(typeof(ValidationFaultContract))]
[FaultContract(typeof(OrderNotFoundContract))]
[FaultContract(typeof(OrdersNotFoundContract))]
[SwaggerWcfTag("Orders", false)]
[SwaggerWcfPath(null, null, null, null, null, false, null, Description = "Saves the product barcode used and updates the status of the orders matching the provided order-state (ensuring no concurrent modifications)", Summary = "Marks the completion of one more orders")]
[WebInvoke(UriTemplate = "/Completed", Method = "PUT", RequestFormat = WebMessageFormat.Json, ResponseFormat = WebMessageFormat.Json)]
[SwaggerWcfResponse(StatusCode = HttpStatusCode.OK, Description = "Success")]
[SwaggerWcfResponse(StatusCode = HttpStatusCode.InternalServerError, Description = "An unexpected error occurred while processing the request.", Type = typeof(JsonErrorMessage))]
[SwaggerWcfResponse(StatusCode = HttpStatusCode.BadRequest, Description = "Fault exception", Type = typeof(JsonErrorMessage))]
void UpdateOrdersCompleted(OrdersCompletedContract ordersCompleted)