/// <summary>
/// Fetches list data with support for cached data and timeouts
/// </summary>
protected virtual Task <bool> FetchListAsync <T>(RequestToken requestToken, bool allowStale, string cachePrefixKey, string cacheSpecificKey, int staleLimit, FetchedRequestDelegate <ListResult <T> > onFetched, Action <bool> onFetching, Func <Task <ListResult <T> > > fetchMethod)
{
try
{
return(this.DataCache.WithTimedRefreshForPrefixAsync <ListResult <T> >(requestToken, allowStale, cachePrefixKey, cacheSpecificKey, staleLimit, onFetched, onFetching, async delegate()
{
return await fetchMethod();
}));
}
catch (Exception ex)
{
EndpointException endpointException = ex.FirstExceptionOfType <EndpointException>();
if (endpointException != null)
{
switch (endpointException.StatusCode)
{
case HttpStatusCode.BadRequest:
case HttpStatusCode.Unauthorized:
case HttpStatusCode.Forbidden:
case HttpStatusCode.NotFound:
case HttpStatusCode.RequestTimeout:
case HttpStatusCode.InternalServerError:
case HttpStatusCode.NotImplemented:
case HttpStatusCode.ServiceUnavailable:
this.ViewPlatform.ShowToast("Error connecting to server. Please check connection.");
break;
default:
break;
}
}
this.ProcessExecuteException(ex, "FetchListAsync");
throw;
}
}
protected virtual bool IsUnauthorized(Exception ex)
{
AggregateException aggregate = ex as AggregateException;
if (aggregate != null)
{
foreach (var item in aggregate.InnerExceptions)
{
if (IsUnauthorized(item))
{
return(true);
}
}
}
EndpointException endpointException = ex as EndpointException;
if (endpointException != null)
{
if (endpointException.StatusCode == System.Net.HttpStatusCode.Unauthorized)
{
return(true);
}
}
return(false);
}
/// <summary>
/// Does Not Throw Exceptions.
/// </summary>
public virtual Task <ItemResult <AccountInfo> > LoginAsyncSafe(AuthLoginInput info, Action <bool> onProcessing = null)
{
return(base.ExecuteFunctionAsync("LoginAsyncSafe", async delegate()
{
ItemResult <AccountInfo> result = new ItemResult <AccountInfo>()
{
success = false
};
bool isOutdated = false;
try
{
ItemResult <AccountInfo> loginResult = null;
this.LogOff(false, false);
loginResult = await this.PostItemUnSafeAsync(onProcessing, async delegate()
{
StencilSDK client = this.GetSDK(false);
return await client.Auth.LoginAsync(info);
});
if (loginResult.IsSuccess())
{
result = loginResult;
}
else
{
result.success = false;
result.meta = loginResult.meta;
result.message = loginResult.GetMessage();
}
}
catch (Exception ex)
{
ex = ex.FirstNonAggregateException();
base.LogError(ex, "LoginAsyncSafe");
result.success = false;
isOutdated = this.IsOutdated(ex);
if (isOutdated)
{
this.Outdated(string.Empty);
}
result.message = ex.Message;
EndpointException endpointException = ex as EndpointException;
if (endpointException != null)
{
result.meta = ((int)endpointException.StatusCode).ToString();
}
}
if (result.IsSuccess())
{
this.CacheHost.CachedUserSet(result.item);
this.CurrentAccount = result.item;
this.UserCacheClear();
AppPreferences prefs = new AppPreferences();
this.CacheHost.PersistentDataSet(false, CACHE_FILENAME_APP_PREFS, prefs);
this.AppPreferences = prefs;
this.ViewPlatform.OnLoggedOn();
}
else
{
this.LogOff(!isOutdated, false);
if (string.IsNullOrEmpty(result.message))
{
result.message = "Could not log in to your account.";
}
}
return result;
}));
}
