/// <summary>
/// Counts the number of objects that match this query.
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>The number of objects that match this query.</returns>
public override Task <int> CountAsync(CancellationToken cancellationToken)
{
return(AVUser.GetCurrentUserAsync().OnSuccess(t =>
{
return QueryController.CountAsync <T>(this, t.Result, cancellationToken);
}).Unwrap());
}
public static Task <RealtimeSignature> RequestRealtimeSignatureAsync(CancellationToken cancellationToken = default(CancellationToken))
{
return(AVUser.GetCurrentUserAsync(cancellationToken).OnSuccess(t =>
{
return RequestRealtimeSignatureAsync(t.Result, cancellationToken);
}).Unwrap());
}
/// <summary>
/// Retrieves at most one AVObject that satisfies this query.
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>A single AVObject that satisfies this query, or else null.</returns>
public override Task <T> FirstOrDefaultAsync(CancellationToken cancellationToken)
{
return(AVUser.GetCurrentUserAsync().OnSuccess(t =>
{
return QueryController.FirstAsync <T>(this, t.Result, cancellationToken);
}).Unwrap().OnSuccess(t =>
{
IObjectState state = t.Result;
return state == null ? default(T) : AVObject.FromState <T>(state, ClassName);
}));
}
/// <summary>
/// Retrieves a list of AVObjects that satisfy this query from LeanCloud.
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>The list of AVObjects that match this query.</returns>
public override Task <IEnumerable <T> > FindAsync(CancellationToken cancellationToken)
{
return(AVUser.GetCurrentUserAsync().OnSuccess(t =>
{
return QueryController.FindAsync <T>(this, t.Result, cancellationToken);
}).Unwrap().OnSuccess(t =>
{
IEnumerable <IObjectState> states = t.Result;
return (from state in states
select AVObject.FromState <T>(state, ClassName));
}));
}
/// <summary>
/// Gets the current <see cref="AVSession"/> object related to the current user.
/// </summary>
/// <param name="cancellationToken">The cancellation token</param>
public static Task <AVSession> GetCurrentSessionAsync(CancellationToken cancellationToken)
{
return(AVUser.GetCurrentUserAsync().OnSuccess(t1 => {
AVUser user = t1.Result;
if (user == null)
{
return Task <AVSession> .FromResult((AVSession)null);
}
string sessionToken = user.SessionToken;
if (sessionToken == null)
{
return Task <AVSession> .FromResult((AVSession)null);
}
return SessionController.GetSessionAsync(sessionToken, cancellationToken).OnSuccess(t => {
AVSession session = (AVSession)AVObject.CreateWithoutData <AVSession>(null);
session.HandleFetchResult(t.Result);
return session;
});
}).Unwrap());
}
/// <summary>
/// Gets the current <see cref="AVSession"/> object related to the current user.
/// </summary>
/// <param name="cancellationToken">The cancellation token</param>
public static Task <AVSession> GetCurrentSessionAsync(CancellationToken cancellationToken)
{
return(AVUser.GetCurrentUserAsync().OnSuccess(t1 =>
{
AVUser user = t1.Result;
if (user == null)
{
return Task <AVSession> .FromResult((AVSession)null);
}
string sessionToken = user.SessionToken;
if (sessionToken == null)
{
return Task <AVSession> .FromResult((AVSession)null);
}
return SessionController.GetSessionAsync(sessionToken, cancellationToken).OnSuccess(t =>
{
AVSession session = AVObject.FromState <AVSession>(t.Result, "_Session");
return session;
});
}).Unwrap());
}