public override async Task <TombstoneResp> Tombstone(TombstoneReq request, ServerCallContext context)
{
var options = request.Options;
var streamName = options.StreamName;
var expectedVersion = options.ExpectedStreamRevisionCase switch {
TombstoneReq.Types.Options.ExpectedStreamRevisionOneofCase.Revision =>
new StreamRevision(options.Revision).ToInt64(),
TombstoneReq.Types.Options.ExpectedStreamRevisionOneofCase.Any =>
AnyStreamRevision.Any.ToInt64(),
TombstoneReq.Types.Options.ExpectedStreamRevisionOneofCase.NoStream =>
AnyStreamRevision.NoStream.ToInt64(),
TombstoneReq.Types.Options.ExpectedStreamRevisionOneofCase.StreamExists =>
AnyStreamRevision.StreamExists.ToInt64(),
_ => throw new InvalidOperationException()
};
var requiresLeader = GetRequiresLeader(context.RequestHeaders);
var user = context.GetHttpContext().User;
var op = DeleteOperation.WithParameter(Plugins.Authorization.Operations.Streams.Parameters.StreamId(streamName));
if (!await _provider.CheckAccessAsync(user, op, context.CancellationToken).ConfigureAwait(false))
{
throw AccessDenied();
}
var position = await DeleteInternal(streamName, expectedVersion, user, true, requiresLeader,
context.CancellationToken).ConfigureAwait(false);
return(position.HasValue
? new TombstoneResp {
Position = new TombstoneResp.Types.Position {
CommitPosition = position.Value.CommitPosition,
PreparePosition = position.Value.PreparePosition
}
}
: new TombstoneResp {
NoPosition = new Empty()
});
}