/// <summary>
/// The automagically-called method that processes the request.
/// </summary>
/// <param name="context">The <see cref="HttpContext"/> instance for the current request.</param>
/// <returns>A <see cref="Task"/> that completes when the middleware has processed the request.</returns>
public async Task Invoke(HttpContext context)
{
IDisposable?localScope = null;
try
{
if (context.Request.IsInteresting())
{
var sessionId = CookieHandler.GetSessionId(context, _cookieOptions);
var agentSessionId = HeaderHandler.GetAgentSessionId(context);
//only grab session ids if we could possibly log them...
if (_loggerFactory != null)
{
IList <KeyValuePair <string, object> >?requestProperties = null;
if (!string.IsNullOrEmpty(sessionId))
{
requestProperties ??= new List <KeyValuePair <string, object> >();
requestProperties.Add(new KeyValuePair <string, object>(Constants.SessionIdKey, sessionId));
}
if (!string.IsNullOrEmpty(agentSessionId))
{
requestProperties ??= new List <KeyValuePair <string, object> >();
requestProperties.Add(
new KeyValuePair <string, object>(Constants.AgentSessionIdKey, agentSessionId));
}
if (requestProperties != null)
{
var logger = _loggerFactory !.CreateLogger(Constants.Category);
localScope = logger.BeginScope(requestProperties);
}
}
}
await _next(context);
}
finally
{
localScope?.Dispose();
}
}