private AppDownloadItem GetAppDownloadItem(DownloadOperation downloadOperation)
{
int appId = -1;
var appDownloadItem = _downloadsHistory.SingleOrDefault(downloadItem =>
downloadItem.DownloadGuid == downloadOperation.Guid);
if (appDownloadItem == null)
{
// Unknown download item!
var queryStringParts = HttpUtility.ParseQueryString(downloadOperation.RequestedUri.Query);
Int32.TryParse(queryStringParts["appid"], out appId);
}
appDownloadItem = new AppDownloadItem()
{
AppId = (appDownloadItem != null ? appDownloadItem.AppId : appId),
AppName = (appDownloadItem != null ? appDownloadItem.AppName : downloadOperation.Guid.ToString()),
StorageFile = downloadOperation.ResultFile,
TotalBytesToReceive = downloadOperation.Progress.TotalBytesToReceive,
BytesReceived = downloadOperation.Progress.BytesReceived,
DownloadGuid = downloadOperation.Guid,
Tag = downloadOperation,
};
appDownloadItem.SetStatus(downloadOperation.Progress.Status);
return(appDownloadItem);
}
public async Task StartDownloadAsync(AppDownloadItem appDownloadItem)
{
await InitializeAsync();
if (FindAppInCurrentDownloads(appDownloadItem.AppGuid) != null)
{
return;
}
// Start Download
CurrentDownloads.Add(appDownloadItem);
appDownloadItem.StorageFile = await CurrentApplication.AppDownloadFolder.CreateFileAsync(
$"{appDownloadItem.AppGuid}.pstl",
CreationCollisionOption.ReplaceExisting);
var downloadOperation = await _downloader.StartDownloadAsync(
ServerUri.GetAppDownloadUri(appDownloadItem.AppGuid),
appDownloadItem.StorageFile);
appDownloadItem.StartDate = DateTime.Now;
appDownloadItem.DownloadGuid = downloadOperation.Guid;
appDownloadItem.Tag = downloadOperation;
// update collections
_downloadsHistory.Add(appDownloadItem);
await SaveDownloadsHistoryToFileAsync();
}
public async Task InstallAppAsync(AppDownloadItem appDownloadItem)
{
InstallationQueue.Enqueue(appDownloadItem);
if (InstallingPackage)
{
return;
}
InstallingPackage = true;
while (InstallationQueue.Count() > 0)
{
PackageInstallationResult result = new PackageInstallationResult()
{
Success = false
};
var item = InstallationQueue.Dequeue();
item.InstallationStatus = InstallationStatus.Installing;
for (int i = 0; i < 3 && !result.Success; i++)
{
result = await DevicePackageManager.InstallAppAsync(item.StorageFile, item.AppGuid);
if (!result.Success)
{
await Task.Delay(2000);
}
}
if (result.Success)
{
item.InstallationStatus = InstallationStatus.Installed;
// Delete App Package
try {
var storageFile = await CurrentApplication.AppDownloadFolder.GetFileAsync($"{item.AppGuid}.pstl");
await storageFile.DeleteAsync();
}
catch {
}
}
else
{
item.InstallationStatus = InstallationStatus.InstallationFailed;
}
// Raise Event
if (InstallationCompleted != null)
{
InstallationCompleted(item);
}
}
InstallingPackage = false;
}
private static async void appDownloadManager_DownloadCompleted(AppDownloadItem appDownloadItem)
{
await PackageManager.Instance.InstallAppAsync(appDownloadItem);
}
public void CancelDownload(AppDownloadItem appDownloadItem)
{
var downloadOperation = (DownloadOperation)appDownloadItem.Tag;
_downloader.CancelDownload(downloadOperation);
}
public void ResumeDownload(AppDownloadItem appDownloadItem)
{
var downloadOperation = (DownloadOperation)appDownloadItem.Tag;
_downloader.ResumeDownload(downloadOperation);
}
public void PauseDownload(AppDownloadItem appDownloadItem)
{
var downloadOperation = (DownloadOperation)appDownloadItem.Tag;
_downloader.PauseDownload(downloadOperation);
}
