/////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Sends an HTTP Request to the backend and parse the response (expected as a BaseEntity object)
/// </summary>
/// <param name="action">action to query (e.g. "Snippets/Get")</param>
/// <param name="data">
/// if the request is a GET, the parameters to be put in the querystring (e.g. "snippetID=100"),
/// otherwise data to be put in the post (e.g. "content=...")
/// </param>
/// <param name="isPost">whether this request is a GET(false) or a POST(true)</param>
/// <param name="requiresLogin">false if this request calls a public web service</param>
/// <returns>null if any error occurred; the result of the invocation otherwise</returns>
protected S2CResBaseEntity <T> SendReqBaseEntity <T>(string action, string data, bool isPost, bool requiresLogin = true)
where T : BaseEntity, new()
{
string response = PrepareAndSendReq(action, data, isPost, requiresLogin);
if (string.IsNullOrEmpty(response))
{
ErrorCodes errCode = ErrorCodes.COMMUNICATION_ERROR;
if (WebConnector.Current.IsTimeout)
{
errCode = ErrorCodes.TIMEOUT;
}
SetLastError(log, errCode, S2CRes <string> .GetErrorMsg(errCode));
return(new S2CResBaseEntity <T>(0.0, errCode, null));
}
S2CResBaseEntity <T> resp = S2CSerializer.DeserializeBaseEntity <T>(response, m_serialFormat);
if (!CheckResp <T>(resp))
{
PrintRespError <T>(resp);
//if the problem is related to user not logged in, reset login status and retry another time:
if (requiresLogin && (resp != null) && (resp.Status == ErrorCodes.NOT_LOGGED_IN))
{
WebConnector.Current.ResetLoginStatus(); //reset login status
//retry the WS call:
response = PrepareAndSendReq(action, data, isPost, requiresLogin);
resp = S2CSerializer.DeserializeBaseEntity <T>(response, m_serialFormat);
}
}
return(resp);
}
