public async Task <HttpResponseMessage> PutAsync <T>(Uri path, T payload, int?timeoutMillis = null, string token = null)
{
try
{
using (var http = GetClient(token))
{
var data = _serializationService.SerializeJson(payload);
var content = new HttpStringContent(data, Encoding, HttpConstants.APPLICATION_JSON);
if (timeoutMillis != null)
{
var cancelation = new CancellationTokenSource(timeoutMillis.Value);
return(await http.PutAsync(path, content).AsTask(cancelation.Token));
}
else
{
return(await http.PutAsync(path, content));
}
}
}
catch (TaskCanceledException)
{
// timeout
return(null);
}
catch (Exception)
{
// server error, offline, ...
return(null);
}
}
public override Task OnNavigatedFromAsync(IDictionary <string, object> state, bool suspending)
{
var serializedTempItem = _serializationService.SerializeJson(TemporaryItem.Model);
state[TEMPORARY_ITEM_KEY] = serializedTempItem;
return(base.OnNavigatedFromAsync(state, suspending));
}
/// <summary>
/// Save specific data.
/// </summary>
/// <param name="guid">Id of data to save.</param>
/// <returns>Returns save state.</returns>
public virtual async Task <bool> SaveAsync(Guid guid)
{
// save all in dictionary
if (!cache.ContainsKey(guid))
{
return(false);
}
var json = serializationService.SerializeJson <T>(cache[guid]);
return(await storageService.WriteFile(Path.Combine("Data", $"{guid}.json"), json));
}