void _loadDataBackgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
LoadDataResult resultWrapper = e.Argument as LoadDataResult;
if (resultWrapper != null)
{
resultWrapper.Result = this.LoadData();
}
}
public bool LoadData_BkgndWithModalLoop()
{
LoadDataResult resultFromBackgroundWorker = new LoadDataResult()
{
Result = false
};
DispatcherFrame modalLoopFrame = new DispatcherFrame();
_loadDataBackgroundWorker = new BackgroundWorker();
_loadDataBackgroundWorker.DoWork += new DoWorkEventHandler(_loadDataBackgroundWorker_DoWork);
_loadDataBackgroundWorker.RunWorkerCompleted += (sender, e) => modalLoopFrame.Continue = false;
_loadDataBackgroundWorker.WorkerSupportsCancellation = true;
_loadDataBackgroundWorker.RunWorkerAsync(resultFromBackgroundWorker);
Dispatcher.PushFrame(modalLoopFrame);
return(resultFromBackgroundWorker.Result);
}
private async void LoadData()
{
try
{
LoadDataResult loadResult = await m_saveManager.LoadData();
if (loadResult.Status == GameSaveErrorStatus.Ok)
{
m_gameData = loadResult.Data;
LogLine(String.Format("Loaded data : {0}", m_gameData));
}
else
{
LogLine(String.Format("LoadData failed: {0}", loadResult.Status));
}
}
catch (Exception ex)
{
LogLine("LoadData failed: " + ex.Message);
}
LogLine("");
}
private async Task <LoadDataResult <T> > LoadFromHttpAsync <T>(string url)
{
var http = new HttpClient();
HttpResponseMessage response;
try
{
response = await http.GetAsync(url);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
return(new LoadDataResult <T>
{
Message = "Unexpected exception see log for details"
});
}
var result = new LoadDataResult <T>
{
Success = response.IsSuccessStatusCode,
Message = response.ReasonPhrase
};
if (response.IsSuccessStatusCode)
{
var serializeOptions = new JsonSerializerOptions
{
PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
};
using var responseStream = await response.Content.ReadAsStreamAsync();
result.Data = await JsonSerializer.DeserializeAsync <T>(responseStream, serializeOptions);
}
return(result);
}
public override Task Invoke(LoadDataResult action)
{
return(action.Payload.Count > 0
? App.ShowMessge($"Loaded {action.Payload.Count} items")
: App.ShowMessge("Loading failed", true));
}
