public override async Task ProcessActivityAsync(IStatus status)
{
var processDownloadsTask = await statusController.CreateAsync(status,
$"Process updated {context} downloads");
var current = 0;
var productDownloadsData = await productDownloadsDataController.ItemizeAllAsync(processDownloadsTask);
var total = await productDownloadsDataController.CountAsync(processDownloadsTask);
var emptyProductDownloads = new List <ProductDownloads>();
foreach (var id in productDownloadsData)
{
var productDownloads = await productDownloadsDataController.GetByIdAsync(id, processDownloadsTask);
if (productDownloads == null)
{
continue;
}
await statusController.UpdateProgressAsync(
processDownloadsTask,
++current,
total,
productDownloads.Title);
// we'll need to remove successfully downloaded files, copying collection
var downloadEntries = productDownloads.Downloads.FindAll(
d =>
d.Context == context).ToArray();
var processDownloadEntriesTask = await statusController.CreateAsync(processDownloadsTask,
$"Download {context} entries");
for (var ii = 0; ii < downloadEntries.Length; ii++)
{
var entry = downloadEntries[ii];
var sanitizedUri = entry.SourceUri;
if (sanitizedUri.Contains(Separators.QueryString))
{
sanitizedUri = sanitizedUri.Substring(0, sanitizedUri.IndexOf(Separators.QueryString, System.StringComparison.Ordinal));
}
await statusController.UpdateProgressAsync(
processDownloadEntriesTask,
ii + 1,
downloadEntries.Length,
sanitizedUri);
await downloadProductFileAsyncDelegate?.DownloadProductFileAsync(
id,
productDownloads.Title,
sanitizedUri,
entry.Destination,
processDownloadEntriesTask);
var removeEntryTask = await statusController.CreateAsync(
processDownloadEntriesTask,
$"Remove scheduled {context} downloaded entry");
productDownloads.Downloads.Remove(entry);
await productDownloadsDataController.UpdateAsync(productDownloads, removeEntryTask);
await statusController.CompleteAsync(removeEntryTask);
}
// if there are no scheduled downloads left - mark file for removal
if (productDownloads.Downloads.Count == 0)
{
emptyProductDownloads.Add(productDownloads);
}
await statusController.CompleteAsync(processDownloadEntriesTask);
}
var clearEmptyDownloadsTask = await statusController.CreateAsync(processDownloadsTask, "Clear empty downloads");
foreach (var productDownload in emptyProductDownloads)
{
await productDownloadsDataController.DeleteAsync(productDownload, clearEmptyDownloadsTask);
}
await statusController.CompleteAsync(clearEmptyDownloadsTask);
await statusController.CompleteAsync(processDownloadsTask);
}