async Task When(ImportStarted e, IManifestFile file)
{
try
{
var manifest = await file.Download();
var added = new Many <Manifest.Dealer>();
var updated = new Many <Manifest.Dealer>();
var remainingIds = _dealersById.Keys.ToHashSet();
foreach (var downloaded in manifest.Dealers)
{
remainingIds.Remove(downloaded.Id);
if (!_dealersById.TryGetValue(downloaded.Id, out var existing))
{
added.Write.Add(downloaded);
}
else
{
if (downloaded.Name != existing.Name ||
downloaded.Region != existing.Region ||
downloaded.Hostname != existing.Hostname ||
downloaded.ManifestLink != existing.ManifestLink)
{
updated.Write.Add(downloaded);
}
}
}
Then(new ManifestDownloaded(manifest.AssetsLink, added, updated, remainingIds.ToMany()));
}
catch (Exception error)
{
Then(new ManifestDownloadFailed(error.ToString()));
}
}
private void OnImportStarted(ImportEventArgs e)
{
ImportStarted?.Invoke(this, e);
}
protected virtual void OnImportStarted(object sender, EventArgs e) => ImportStarted?.Invoke(sender, e);
void Given(ImportStarted e)
{
Importing = true;
WhenImportedLast = e.When;
}
void Given(ImportStarted e) => _importing = true;
public void OnImportStarted()
{
ImportStarted?.Invoke(this, new EventArgs());
}
