public static string getLastVersionFromServer()
{
string serverVersion = SystemConst.DEFAULT_PROGRAM_VERSION;
string pServiceURL = SystemConst.MAX_RELEASE_VERSION_SERVICE_URL;
try
{
RestClientService restClient = new RestClientService();
ServiceResponseResult responseResult = restClient.processGetRequest(pServiceURL);
if (ServiceValidator.isValidAndNotEmptyServiceResponse(responseResult))
{
serverVersion = responseResult.result.ToString();
}
else
{
MessageService.displayWarningMessage(
"No se encontraron actualizaciones en el servidor.\n" + responseResult.message + ".",
"SIN ACTUALIZACIONES PENDIENTES"
);
serverVersion = getApplicationVersion(SystemConst.APPLICATION_RELATIVE_PATH);
}
}
catch (Exception)
{
MessageService.displayErrorMessage(
"No fue posible conectar con el servidor.\nVerifique las actualizaciones posteriormente.",
"ERROR DE CONEXIÓN"
);
serverVersion = getApplicationVersion(SystemConst.APPLICATION_RELATIVE_PATH);
}
return(serverVersion);
}
// Método que procesa un request con el método especificado
public ServiceResponseResult processHttpRequest(string pUrlEndPoint, Object pJsonObject, string pHttpMethod)
{
ServiceResponseResult responseResult = null;
try
{
// Serializar objeto json y convertirlo a bits
string jsonString = JsonConvert.SerializeObject(pJsonObject);
// Configurar parámetros del request
byte[] data = UTF8Encoding.UTF8.GetBytes(jsonString);
HttpWebRequest request = WebRequest.Create(pUrlEndPoint) as HttpWebRequest;
request.Timeout = 600 * 1000;
request.Method = pHttpMethod;
request.ContentLength = data.Length;
request.ContentType = "application/json; charset=utf-8";
// Escribir parámetros del request en post Stream
Stream postStream = request.GetRequestStream();
postStream.Write(data, 0, data.Length);
// Solicitar respuesta de la petición y procesarla
HttpWebResponse response = request.GetResponse() as HttpWebResponse;
StreamReader reader = new StreamReader(response.GetResponseStream());
// Generar string body de la respuesta
string responseBody = reader.ReadToEnd();
responseResult = JsonConvert.DeserializeObject <ServiceResponseResult>(responseBody);
}
catch (Exception e)
{
// Capturar errores en el log
//LogService.log(e.Message, e.StackTrace);
//throw;
}
return(responseResult);
}
public static bool isValidServiceResponse(ServiceResponseResult pResponseResult)
{
bool validResponse = true;
if (pResponseResult == null)
{
validResponse = false;
}
else
{
if (pResponseResult.type != "success")
{
validResponse = false;
}
}
return(validResponse);
}
// Método para procesar un request con método GET
public ServiceResponseResult processGetRequest(string pUrl)
{
ServiceResponseResult responseResult = null;
try
{
HttpWebRequest webrequest = (HttpWebRequest)WebRequest.Create(pUrl);
using (WebResponse response = webrequest.GetResponse())
using (StreamReader reader = new StreamReader(response.GetResponseStream()))
{
string responseContent = reader.ReadToEnd();
responseResult = JsonConvert.DeserializeObject <ServiceResponseResult>(responseContent);
}
}
catch (Exception e)
{
// Capturar errores en el log
//LogService.log(e.Message, e.StackTrace);
//throw;
}
return(responseResult);
}
