public static ActionResult CheckApplicationExists(Session session) {
var deploymentManifest = new Uri(session["DeploymentManifest"]);
var downloadTask = (Task<GetManifestCompletedEventArgs>)null;
using(var host = new InPlaceHostingManager(deploymentManifest, false)) {
downloadTask = host.DownloadManifestAsync();
downloadTask.Wait();
if(downloadTask.IsCanceled) {
return ActionResult.UserExit;
}
else if(downloadTask.IsFaulted) {
session.Message(InstallMessage.Error, new Record { FormatString = downloadTask.Exception.ToString() });
return ActionResult.Failure;
}
var manifest = downloadTask.Result;
var result = manifest.ApplicationManifest.CheckApplicationExists();
if(result == ActionResult.SkipRemainingActions) {
session.Log("{0} is already installed.", manifest.ProductName);
}
return result;
}
}
public static ActionResult DownloadApplication(Session session) {
var deploymentManifest = new Uri(session["DeploymentManifest"]);
var cancellationTokenSource = new CancellationTokenSource();
var previousProgressPercentage = 0;
var downloadTask = (Task)null;
DisplayActionData(session, "Hello, World!");
ResetProgress(session);
using(var host = new InPlaceHostingManager(deploymentManifest, false)) {
downloadTask = host.DownloadManifestAsync();
downloadTask.Wait();
if(downloadTask.IsCanceled) {
return ActionResult.UserExit;
}
else if(downloadTask.IsFaulted) {
session.Message(InstallMessage.Error, new Record { FormatString = downloadTask.Exception.ToString() });
return ActionResult.Failure;
}
// Requirements
host.AssertApplicationRequirements(true);
// Download
downloadTask = host.DownloadApplicationAsync(progress => {
session.Log("Downloaded {0,10}", (((double)progress.ProgressPercentage) / 100d).ToString("P"));
IncrementProgress(session, progress.ProgressPercentage - previousProgressPercentage);
previousProgressPercentage = progress.ProgressPercentage;
});
downloadTask.Wait();
if(downloadTask.IsCanceled) {
return ActionResult.UserExit;
}
else if(downloadTask.IsFaulted) {
session.Message(InstallMessage.Error, new Record { FormatString = downloadTask.Exception.ToString() });
return ActionResult.Failure;
}
}
return ActionResult.Success;
}
