downloadfile.cs

// ##### READ EVENT GRID EVENT FROM REQUEST #####
log.LogInformation("Begin handling request. {EventGridEvent}", eventGridEvent.Data);

if (!TryGetEventData<string>(eventGridEvent, CREATED_EVENT_URL, out var url))
{
    log.LogError("EventData could not be parsed. UrlFound check failed.");
    return;
}

// ##### READ FILE NAME AND STORAGE ACCOUNT CONTAINER NAME FROM EVENT GRID EVENT
if (!TryGetFileNameAndContainerFromUrl(url, out var fileName, out var container))
{
    log.LogError("Invalid file URI, could not process. Url value: {Url}", url);
    return;
}

// ##### DOWNLOAD FILE FROM AZURE STORAGE #####
log.LogInformation("Downloading {FileName} from container {Container}...", fileName, container);
var blobClient = new BlobClient(ConnectionString, container, fileName);


// ##### DOWNLOAD FILE #####
using var ms = new MemoryStream();
await blobClient.DownloadToAsync(ms);