// ReSharper disable once UnusedMethodReturnValue.Local
private bool TryGetDocument(HttpContext http, [NotNullWhen(true)] out Document?document)
{
document = default;
return(MiddlewareCommon.TryGetParameter(http.Request.Query, "doc", out var text) &&
Guid.TryParseExact(text, GlobalConstants.GuidFormat, out var documentId) &&
MiddlewareCommon.TryFindConnection(_app, http, out var connection) &&
connection.TryGetDocument(documentId, out document));
}
public bool TryGetSession([NotNullWhen(true)] out Session?session)
{
if (MiddlewareCommon.TryFindConnection(Application, Http, out var connection))
{
session = connection.Session;
return(true);
}
session = default;
return(false);
}
internal static Connection GetConnection(Application app, HttpContext http)
{
Connection connection = null;
MiddlewareCommon.TryFindConnection(app, http, out connection);
if (connection == null)
{
connection = CreateConnection(app, http);
}
return(connection);
}
private static async Task ProcessRequest(PostEventContext context)
{
if (MiddlewareCommon.TryFindConnection(context.Application, context.Http, out var connection) &&
context.Parameters != null &&
connection.TryGetDocument(context.Parameters.DocumentId, out var document))
{
context.Connection = connection;
context.Document = document;
await ProcessRequestDocument(context);
}
else
{
await SendEvent(context, EventResultType.NoSession);
}
}
internal override async Task <bool> ProcessRequest(HttpContext http)
{
if (http.Request.Method != "POST" || http.Request.Path != "/_discard" ||
!DiscardParameters.TryParse(http, out var parameters) ||
!MiddlewareCommon.TryFindConnection(_app, http, out var connection))
{
return(false);
}
await Task.Delay(DiscardDelay);
await connection.Discard(parameters.DocumentId);
await _app.ClearEmptyConnection(connection);
return(true);
}
internal static Connection GetConnection(Application app, HttpContext http)
{
return(MiddlewareCommon.TryFindConnection(app, http, out var connection) ? connection : CreateConnection(app, http));
}