/// <summary>
/// This method checks if an update is required. During this process the appcast
/// will be downloaded and checked against the reference assembly. Ensure that
/// the calling process has access to the internet and read access to the
/// reference assembly. This method is also called from the background loops.
/// </summary>
/// <param name="config">the configuration</param>
/// <param name="latestVersion">returns the latest version</param>
/// <returns><c>true</c> if an update is required</returns>
public UpdateStatus GetUpdateStatus(NetSparkleConfiguration config, out NetSparkleAppCastItem latestVersion)
{
// report
ReportDiagnosticMessage("Downloading and checking appcast");
// init the appcast
NetSparkleAppCast cast = new NetSparkleAppCast(_appCastUrl, config);
// check if any updates are available
try
{
latestVersion = cast.GetLatestVersion();
}
catch (Exception e)
{
// show the exception message
ReportDiagnosticMessage("Error during app cast download: " + e.Message);
// just null the version info
latestVersion = null;
}
if (latestVersion == null)
{
ReportDiagnosticMessage("No version information in app cast found");
return(UpdateStatus.CouldNotDetermine);
}
ReportDiagnosticMessage("Latest version on the server is " + latestVersion.Version);
// set the last check time
ReportDiagnosticMessage("Touch the last check timestamp");
config.TouchCheckTime();
// check if the available update has to be skipped
if (latestVersion.Version.Equals(config.SkipThisVersion))
{
ReportDiagnosticMessage("Latest update has to be skipped (user decided to skip version " + config.SkipThisVersion + ")");
return(UpdateStatus.UserSkipped);
}
// check if the version will be the same then the installed version
Version v1 = new Version(config.InstalledVersion);
Version v2 = new Version(latestVersion.Version);
if (v2 <= v1)
{
ReportDiagnosticMessage("Installed version is valid, no update needed (" + config.InstalledVersion + ")");
return(UpdateStatus.UpdateNotAvailable);
}
// ok we need an update
return(UpdateStatus.UpdateAvailable);
}
/// <summary>
/// This method checks if an update is required. During this process the appcast
/// will be downloaded and checked against the reference assembly. Ensure that
/// the calling process has access to the internet and read access to the
/// reference assembly. This method is also called from the background loops.
/// </summary>
/// <param name="config">the configuration</param>
/// <param name="updates">list of available updates sorted decreasing</param>
/// <returns><c>true</c> if an update is required</returns>
public UpdateStatus GetUpdateStatus(NetSparkleConfiguration config, out NetSparkleAppCastItem[] updates)
{
// report
ReportDiagnosticMessage("Downloading and checking appcast");
// init the appcast
NetSparkleAppCast cast = new NetSparkleAppCast(_appCastUrl, config);
cast.Read();
// check if any updates are available
try
{
updates = cast.GetUpdates();
}
catch (Exception e)
{
// show the exception message
ReportDiagnosticMessage("Error during app cast download: " + e.Message);
// just null the version info
updates = null;
}
if (updates == null)
{
ReportDiagnosticMessage("No version information in app cast found");
return UpdateStatus.CouldNotDetermine;
}
// set the last check time
ReportDiagnosticMessage("Touch the last check timestamp");
config.TouchCheckTime();
// check if the version will be the same then the installed version
if (updates.Length == 0)
{
ReportDiagnosticMessage("Installed version is valid, no update needed (" + config.InstalledVersion + ")");
return UpdateStatus.UpdateNotAvailable;
}
ReportDiagnosticMessage("Latest version on the server is " + updates[0].Version);
// check if the available update has to be skipped
if (updates[0].Version.Equals(config.SkipThisVersion))
{
ReportDiagnosticMessage("Latest update has to be skipped (user decided to skip version " + config.SkipThisVersion + ")");
return UpdateStatus.UserSkipped;
}
// ok we need an update
return UpdateStatus.UpdateAvailable;
}
/// <summary>
/// This method checks if an update is required. During this process the appcast
/// will be downloaded and checked against the reference assembly. Ensure that
/// the calling process has read access to the reference assembly.
/// This method is also called from the background loops.
/// </summary>
/// <param name="config">the configuration</param>
/// <returns>SparkleUpdate with information on whether there is an update available or not.</returns>
public async Task<SparkleUpdateInfo> GetUpdateStatus(NetSparkleConfiguration config)
{
NetSparkleAppCastItem[] updates = null;
// report
ReportDiagnosticMessage("Downloading and checking appcast");
// init the appcast
NetSparkleAppCast cast = new NetSparkleAppCast(_appCastUrl, this, config);
// check if any updates are available
try
{
var task = Task.Factory.StartNew(() =>
{
if (cast.Read())
updates = cast.GetUpdates();
});
await task;
}
catch (Exception e)
{
ReportDiagnosticMessage("Couldn't read/parse the app cast: " + e.Message);
updates = null;
}
if (updates == null)
{
ReportDiagnosticMessage("No version information in app cast found");
return new SparkleUpdateInfo(UpdateStatus.CouldNotDetermine);
}
// set the last check time
ReportDiagnosticMessage("Touch the last check timestamp");
config.TouchCheckTime();
// check if the version will be the same then the installed version
if (updates.Length == 0)
{
ReportDiagnosticMessage("Installed version is valid, no update needed (" + config.InstalledVersion + ")");
return new SparkleUpdateInfo(UpdateStatus.UpdateNotAvailable);
}
ReportDiagnosticMessage("Latest version on the server is " + updates[0].Version);
// check if the available update has to be skipped
if (updates[0].Version.Equals(config.SkipThisVersion))
{
ReportDiagnosticMessage("Latest update has to be skipped (user decided to skip version " + config.SkipThisVersion + ")");
return new SparkleUpdateInfo(UpdateStatus.UserSkipped);
}
// ok we need an update
return new SparkleUpdateInfo(UpdateStatus.UpdateAvailable, updates);
}