public async Task handleErrors()
{
// :code-block-start: set-log-level
var appConfig = new AppConfiguration(myRealmAppId)
{
//LogLevel = LogLevel.Debug,
// :hide-start:
DefaultRequestTimeout = TimeSpan.FromMilliseconds(1500)
// :hide-end:
};
// :code-block-end:
app = App.Create(appConfig);
user = await app.LogInAsync(Credentials.Anonymous());
config = new SyncConfiguration("myPartition", user);
//:hide-start:
config.ObjectClasses = new[]
{
typeof(dotnet.User)
};
//:hide-end:
var realm = await Realm.GetInstanceAsync(config);
// :code-block-start: handle-errors
Session.Error += (session, errorArgs) =>
{
var sessionException = (SessionException)errorArgs.Exception;
switch (sessionException.ErrorCode)
{
case ErrorCode.AccessTokenExpired:
case ErrorCode.BadUserAuthentication:
// Ask user for credentials
break;
case ErrorCode.PermissionDenied:
// Tell the user they don't have permissions to work with that Realm
// :hide-start:
didTriggerErrorHandler = true;
// :hide-end:
break;
case ErrorCode.Unknown:
// Likely the app version is too old, prompt for update
break;
// ...
}
};
// :code-block-end:
TestingExtensions.SimulateError(realm.GetSession(),
ErrorCode.PermissionDenied, "No permission to work with the Realm", false);
// Close the Realm before doing the reset as it'll need
// to be deleted and all objects obtained from it will be
// invalidated.
realm.Dispose();
Assert.IsTrue(didTriggerErrorHandler);
}
public async Task resetsTheClient()
{
app = App.Create(myRealmAppId);
user = app.LogInAsync(Credentials.EmailPassword("*****@*****.**", "foobar")).Result;
config = new SyncConfiguration("myPart", user);
//:hide-start:
config.ObjectClasses = new[]
{
typeof(dotnet.User)
};
//:hide-end:
var realm = await Realm.GetInstanceAsync(config);
// :code-block-start: handle
Session.Error += (sender, err) =>
{
if (err.Exception is ClientResetException clientResetEx)
{
var session = (Session)sender;
Console.WriteLine("Client Reset requested for " +
session.Path + "due to " + clientResetEx.Message);
// Prompt user to perform client reset immediately. If they don't do it,
// they won't receive any data from the server until they restart the app
// and all changes they make will be discarded when the app restarts.
var didUserConfirmReset = true;
if (didUserConfirmReset)
{
// Close the Realm before doing the reset as it'll need
// to be deleted and all objects obtained from it will be
// invalidated.
realm.Dispose();
var didReset = clientResetEx.InitiateClientReset();
if (didReset)
{
// Navigate the user back to the main page or reopen the
// the Realm and reinitialize the current page.
}
else
{
// Reset failed - notify user that they'll need to restart the app.
}
// :hide-start:
Assert.IsTrue(didReset);
// :hide-end:
}
}
};
// :code-block-end:
TestingExtensions.SimulateError(realm.GetSession(),
ErrorCode.DivergingHistories, "diverging histories!", false);
}
