public async ValueTask InvokeAsync(IRequestContext context)
{
if (context.DocumentId is null)
{
await _next(context).ConfigureAwait(false);
}
else
{
var addToCache = true;
var operationId = context.OperationId;
if (operationId is null)
{
operationId = CreateOperationId(
context.DocumentId,
context.Request.OperationName);
context.OperationId = operationId;
}
string cacheId = context.CreateCacheId(operationId);
if (_operationCache.TryGetOperation(cacheId, out IPreparedOperation? operation))
{
context.Operation = operation;
addToCache = false;
_diagnosticEvents.RetrievedOperationFromCache(context);
}
await _next(context).ConfigureAwait(false);
if (addToCache &&
context.Operation is not null &&
context.DocumentId is not null &&
context.Document is not null &&
context.IsValidDocument)
{
_operationCache.TryAddOperation(cacheId, context.Operation);
_diagnosticEvents.AddedOperationToCache(context);
}
}
}
