protected override async Task GetAndSaveFile(string filename)
{
await CoursesClient.LazyRefresh();
CoursesClient.AddEvent(DownloadProgressTracker);
// we request headers because otherwise the file is first put into memory so we lose the whole point of streams
// since we are using ReadAsStreamAsync, nothing is loaded into memory
// although we can't use HeadersResponse from previously because that way we can't track progress
using (var file = await CoursesClient.SessionClient.GetHeadersAsyncHttp(DownloadUrl))
{
using (var fileStream = File.Create(filename))
{
using (var content = await file.Content.ReadAsStreamAsync())
{
await content.CopyToAsync(fileStream);
await fileStream.FlushAsync();
}
}
}
CoursesClient.RemoveEvent(DownloadProgressTracker);
}