public static async Task <string> GetChangeLogAsync(UpgradeVersionDescription upgradeVersionDescription, OnUpgradeOperationCompletedEventHandler onGetCompleteDelegate = null)
{
if (upgradeVersionDescription == null)
{
throw new ArgumentNullException(nameof(upgradeVersionDescription));
}
Uri uri = new Uri(Helpers.BaseURI + "CHANGELOG.md");
Stream stream = await Helpers.webClient.OpenReadTaskAsync(uri);
try
{
using (StreamReader reader = new StreamReader(stream))
{
upgradeVersionDescription.ChangeLog = reader.ReadToEnd();
}
}
catch (Exception)
{
Diagnostics.Debug.LogError("Error while retrieving change log.");
return(null);
}
onGetCompleteDelegate?.Invoke(upgradeVersionDescription);
return(upgradeVersionDescription.ChangeLog);
}
private static void WebClient_DownloadFileCompleted(object sender, System.ComponentModel.AsyncCompletedEventArgs e)
{
Helpers.webClient.DownloadProgressChanged -= WebClient_DownloadProgressChanged;
Helpers.webClient.DownloadFileCompleted -= WebClient_DownloadFileCompleted;
if (Helpers.currentlyDownloadedVersionDescription != null)
{
Helpers.currentlyDownloadedVersionDescription.InstallerDownloadProgress = 100;
Helpers.currentlyDownloadedVersionDescription.InstallerDownloadInProgress = false;
Helpers.currentlyDownloadedVersionDescription = null;
}
}
public static async Task <UpgradeVersionDescription> GetLatestVersionDescriptionAsync(OnUpgradeOperationCompletedEventHandler onGetCompleteDelegate = null)
{
#if BUILD32
Uri uri = new Uri(Helpers.BaseURI + "version (x86).xml");
#else
Uri uri = new Uri(Helpers.BaseURI + "version.xml");
#endif
Stream stream = await Helpers.webClient.OpenReadTaskAsync(uri);
UpgradeVersionDescription upgradeVersionDescription = null;
try
{
XmlRootAttribute xmlRoot = new XmlRootAttribute
{
ElementName = "Version"
};
XmlSerializer serializer = new XmlSerializer(typeof(UpgradeVersionDescription), xmlRoot);
XmlReaderSettings xmlReaderSettings = new XmlReaderSettings
{
IgnoreWhitespace = true,
IgnoreComments = true
};
using (XmlReader xmlReader = XmlReader.Create(stream, xmlReaderSettings))
{
upgradeVersionDescription = (UpgradeVersionDescription)serializer.Deserialize(xmlReader);
}
}
catch (Exception)
{
Diagnostics.Debug.LogError("Error while retrieving change log.");
return(null);
}
onGetCompleteDelegate?.Invoke(upgradeVersionDescription);
return(upgradeVersionDescription);
}
public static async Task DownloadInstallerAsync(UpgradeVersionDescription upgradeVersionDescription)
{
if (upgradeVersionDescription == null)
{
throw new ArgumentNullException("upgradeVersionDescription");
}
if (Helpers.currentlyDownloadedVersionDescription != null)
{
throw new Exception("The installer download is currently in progress.");
}
Uri uri = new Uri(upgradeVersionDescription.InstallerURL);
string fileName = "FileConverter-setup.msi";
Regex retrieveFileNameRegex = new Regex("/([^/]*)");
MatchCollection matchCollection = retrieveFileNameRegex.Matches(upgradeVersionDescription.InstallerURL);
if (matchCollection.Count > 0)
{
Match match = matchCollection[matchCollection.Count - 1];
if (match.Groups.Count > 1)
{
fileName = match.Groups[1].Value;
}
}
string tempPath = System.IO.Path.GetTempPath();
string installerPath = System.IO.Path.Combine(tempPath, fileName);
upgradeVersionDescription.InstallerPath = installerPath;
upgradeVersionDescription.InstallerDownloadInProgress = true;
upgradeVersionDescription.InstallerDownloadProgress = 0;
Helpers.currentlyDownloadedVersionDescription = upgradeVersionDescription;
Helpers.webClient.DownloadProgressChanged += Helpers.WebClient_DownloadProgressChanged;
Helpers.webClient.DownloadFileCompleted += Helpers.WebClient_DownloadFileCompleted;
Task downloadTask = Helpers.webClient.DownloadFileTaskAsync(uri, installerPath);
}
private void OnChangeLogRetrieved(UpgradeVersionDescription versionDescription)
{
this.ReleaseNote = versionDescription.ChangeLog;
}