public ViewerApiClient(Credentials credentials, string BaseAddress, delActivity messageCalBack = null)
{
Activity = messageCalBack;
ServerBaseAddress = BaseAddress;
_credentials = credentials;
ClientResult <HttpClient> result = NewNetClient();
if (result.RequestStatus == RequestStatus.OK)
{
Client = result.ObjectValue;
Status = RequestStatus.OK;
}
else
{
Status = result.RequestStatus;
}
}
public ClientResult <T> getServerResponse <T>(string EndPointURL, int Attempt = 0)
{
string EndpointName = EndPointURL;
int n = EndPointURL.IndexOf('?');
if (n != -1)
{
EndpointName = EndPointURL.Substring(0, n);
}
if (Token == null || Token.RequestStatus != RequestStatus.OK)
{
Activity?.Invoke(EndpointName + " - There is no token");
Token = GetToken(_credentials);
if (Token.RequestStatus != RequestStatus.OK)
{
return(new ClientResult <T>(Token.RequestStatus, Token.Message));
}
}
try
{
HttpResponseMessage m = Client.GetAsync(EndPointURL).Result;
string JsonPayload = m.Content.ReadAsStringAsync().Result;
Activity?.Invoke(JsonPayload);
if (m.IsSuccessStatusCode)
{
T data = JsonConvert.DeserializeObject <T>(JsonPayload);
Activity?.Invoke(EndpointName + " - Data retrieved successfully");
return(new ClientResult <T>(RequestStatus.OK, data, JsonPayload));
}
else
{
if (m.StatusCode == HttpStatusCode.Unauthorized)
{
if (m.ReasonPhrase == "NotFound" ||
m.ReasonPhrase == "Expired" ||
m.ReasonPhrase == "UnexpectedIp")
{
Token = GetToken(_credentials);
if (Token.RequestStatus == RequestStatus.OK)
{
if (Attempt < 4)
{
Activity?.Invoke(EndpointName + " - Attempt number " + Attempt.ToString());
ClientResult <T> result = getServerResponse <T>(EndPointURL, ++Attempt);
return(result);
}
else
{
Activity?.Invoke(EndpointName + " - Max attempts exceeded, exiting with error");
return(new ClientResult <T>(RequestStatus.TooManyTries, ""));
}
}
else
{
return(new ClientResult <T>(Token.RequestStatus, Token.Message));
}
}
Activity?.Invoke(EndpointName + " - UNAUTHORIZED : " + m.ReasonPhrase);
return(new ClientResult <T>(RequestStatus.Unathorized, m.ReasonPhrase));
}
else
{
Activity?.Invoke(EndpointName + " - API error Server said: " + m.StatusCode.ToString() + "...and added: " + m.ReasonPhrase);
return(new ClientResult <T>(RequestStatus.Other, "API error - Server said: " + m.StatusCode.ToString() + "...and added: " + m.ReasonPhrase));
}
}
}
catch (Exception ex)
{
Activity?.Invoke(EndpointName + " - Client error: " + GetErrMsgPath(ex));
return(new ClientResult <T>(RequestStatus.ClientCodeError, ex.Message));
}
}