func handleInvoke()

in fc/invoke_loop.go [55:81]

• 25 lines of code
• 7 McCabe index (conditional complexity)

func handleInvoke(invokeInstance *invoke, function *Function) error {
	functionRequest, err := convertInvokeRequest(invokeInstance)
	if err != nil {
		return fmt.Errorf("unexpected error occurred when parsing the invoke: %v", err)
	}

	functionResponse := &messages.InvokeResponse{}
	ivkErr := function.Invoke(functionRequest, functionResponse, convertInvokeFunctionType(invokeInstance))
	if functionResponse.Error != nil {
		payload := safeMarshal(functionResponse.Error)
		if err := invokeInstance.failure(payload, contentTypeJSON); err != nil {
			return fmt.Errorf("unexpected error occurred when sending the function error to the API: %v", err)
		}
		if functionResponse.Error.ShouldExit {
			return fmt.Errorf("calling the handler function resulted in a panic")
		}
		return ivkErr
	}
	if ivkErr != nil {
		return ivkErr
	}

	if err := invokeInstance.success(functionResponse.Payload, contentTypeJSON, functionResponse.HttpParam); err != nil {
		return fmt.Errorf("unexpected error occurred when sending the function functionResponse to the API: %v", err)
	}
	return nil
}