protected override async void OnAppearing()
{
base.OnAppearing();
if (IsBusy)
{
return;
}
if (Settings.GetSetting(CommonConstants.TokenKey) != string.Empty)
{
IProgressDialog progress = null;
try
{
IsBusy = true;
progress = UserDialogs.Instance.Loading(TranslateServices.GetResourceString(CommonConstants.RefreshTokenKey));
await LiveIdLogOnViewModel.GetNewAccessToken();
}
catch (Exception ex)
{
Debug.WriteLine(string.Format(TranslateServices.GetResourceString(CommonConstants.RefreshTokenExceptionTip), ex.Message));
}
finally
{
progress?.Hide();
IsBusy = false;
}
}
if (LogOnViewModel.Instance.IsLoggedIn)
{
App.GoHome();
}
else
{
await logo.FadeTo(1, 500, Easing.CubicOut);
await title.FadeTo(1, 1000, Easing.CubicOut);
}
}
protected override async void OnAppearing()
{
base.OnAppearing();
if (IsBusy)
{
return;
}
if (Settings.GetSetting(CommonConstants.TokenKey) != string.Empty)
{
IProgressDialog progress = null;
try
{
IsBusy = true;
progress = UserDialogs.Instance.Loading("Refreshing tokens...");
await LiveIdLogOnViewModel.GetNewAccessToken();
}
catch (Exception ex)
{
Debug.WriteLine($"Unable to refresh token: {ex}");
}
finally
{
progress?.Hide();
IsBusy = false;
}
}
if (LogOnViewModel.Instance.IsLoggedIn)
{
App.GoHome();
}
else
{
await logo.FadeTo(1, 500, Easing.CubicOut);
await title.FadeTo(1, 1000, Easing.CubicOut);
}
}
/// <summary>
/// Handle Add/Del/Modify of Contributions.
/// </summary>
/// <param name="model">Instance of ContributionModel</param>
/// <param name="httpMethod">Put/Post/Delete</param>
/// <returns></returns>
async Task <string> DoWork(string url, Object model, HttpMethod httpMethod, string token, bool isImage, bool isRefreshedToken, bool isAddOrUpdateContribution = false)
{
MyProfileViewModel.Instance.ErrorMessage = string.Empty;
string errorMsg = "";
try
{
var handler = new HttpClientHandler
{
UseDefaultCredentials = false,
};
using (var client = new HttpClient(handler)
{
Timeout = new System.TimeSpan(0, 0, 15)
})
{
client.DefaultRequestHeaders.Add(CommonConstants.OcpApimSubscriptionKey, CommonConstants.OcpApimSubscriptionValue);
client.DefaultRequestHeaders.Add(CommonConstants.AuthorizationKey, "Bearer " + token);
if (!isImage)
{
client.DefaultRequestHeaders.Add(CommonConstants.AcceptsKey, CommonConstants.MediaTypeForJson);
}
string requestJsonString = string.Empty;
if (model != null)
{
requestJsonString = JsonConvert.SerializeObject(model);
}
HttpResponseMessage response = null;
using (StringContent theContent = new StringContent(requestJsonString, System.Text.Encoding.UTF8, CommonConstants.MediaTypeForJson))
{
switch (httpMethod)
{
case HttpMethod.Put:
response = await client.PutAsync(url, theContent);
break;
case HttpMethod.Post:
response = await client.PostAsync(url, theContent);
break;
case HttpMethod.Delete:
response = await client.DeleteAsync(url);
break;
case HttpMethod.Get:
response = await client.GetAsync(url);
break;
default:
break;
}
// Parse response
if (response.StatusCode == HttpStatusCode.OK || response.StatusCode == HttpStatusCode.NoContent || response.StatusCode == HttpStatusCode.Created)
{
var responseString = await response.Content.ReadAsStringAsync();
if (string.IsNullOrEmpty(responseString))
{
return(CommonConstants.OkResult);
}
return(responseString);
}
else if (response.StatusCode == HttpStatusCode.BadRequest)
{
if (isAddOrUpdateContribution)
{
var responseString = await response.Content.ReadAsStringAsync();
if (!string.IsNullOrEmpty(responseString))
{
errorMsg = responseString;
}
}
else
{
throw new WebException(string.Format(System.Globalization.CultureInfo.InvariantCulture, TranslateServices.GetResourceString(CommonConstants.NetworkErrorFormatString), response.StatusCode.ToString()));
}
}
else if (response.StatusCode == HttpStatusCode.Forbidden)
{
if (isRefreshedToken)
{
throw new WebException(string.Format(System.Globalization.CultureInfo.InvariantCulture, TranslateServices.GetResourceString(CommonConstants.NetworkErrorFormatString), response.StatusCode.ToString()));
}
else
{
string newAccessToken = await LiveIdLogOnViewModel.GetNewAccessToken();
string result = await DoWork(url, model, httpMethod, newAccessToken, isImage, true, isAddOrUpdateContribution);
return(result);
}
}
else
{
if (CheckInternetConnection())
{
string newAccessToken = await LiveIdLogOnViewModel.GetNewAccessToken();
string result = await DoWork(url, model, httpMethod, newAccessToken, isImage, true, isAddOrUpdateContribution);
return(result);
}
else
{
throw new WebException(string.Format(System.Globalization.CultureInfo.InvariantCulture, TranslateServices.GetResourceString(CommonConstants.NetworkErrorFormatString), response.StatusCode.ToString()));
}
}
}
}
}
catch (WebException ex)
{
errorMsg = TranslateServices.GetResourceString(CommonConstants.DefaultNetworkErrorString);
}
catch (HttpRequestException ex)
{
errorMsg = TranslateServices.GetResourceString(CommonConstants.DefaultNetworkErrorString);
}
catch (Exception ex) {
errorMsg = TranslateServices.GetResourceString(CommonConstants.DefaultNetworkErrorString);
}
if (!string.IsNullOrEmpty(errorMsg))
{
MyProfileViewModel.Instance.ErrorMessage = errorMsg;
throw new Exception(errorMsg);
}
return(null);
}