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check for app updates less frequently

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Luke Pulverenti
2013-08-16 14:43:11 -04:00
parent 33eb6bca88
commit 7c0f97d56b
4 changed files with 57 additions and 22 deletions
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49
MediaBrowser.Common.Implementations/BaseApplicationHost.cs
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@@ -557,14 +557,59 @@ namespace MediaBrowser.Common.Implementations
/// <value><c>true</c> if this instance can self update; otherwise, <c>false</c>.</value>
public abstract bool CanSelfUpdate { get; }
private Tuple<CheckForUpdateResult, DateTime> _lastUpdateCheckResult;
/// <summary>
/// Checks for update.
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="progress">The progress.</param>
/// <returns>Task{CheckForUpdateResult}.</returns>
public abstract Task<CheckForUpdateResult> CheckForApplicationUpdate(CancellationToken cancellationToken,
IProgress<double> progress);
public async Task<CheckForUpdateResult> CheckForApplicationUpdate(CancellationToken cancellationToken,
IProgress<double> progress)
{
if (_lastUpdateCheckResult != null)
{
// Let dev users get results more often for testing purposes
var cacheLength = ConfigurationManager.CommonConfiguration.SystemUpdateLevel == PackageVersionClass.Dev
? TimeSpan.FromHours(1)
: TimeSpan.FromHours(12);
if ((DateTime.UtcNow - _lastUpdateCheckResult.Item2) < cacheLength)
{
return _lastUpdateCheckResult.Item1;
}
}
var result = await CheckForApplicationUpdateInternal(cancellationToken, progress).ConfigureAwait(false);
_lastUpdateCheckResult = new Tuple<CheckForUpdateResult, DateTime>(result, DateTime.UtcNow);
return _lastUpdateCheckResult.Item1;
}
/// <summary>
/// Checks for application update internal.
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="progress">The progress.</param>
/// <returns>Task{CheckForUpdateResult}.</returns>
private async Task<CheckForUpdateResult> CheckForApplicationUpdateInternal(CancellationToken cancellationToken,
IProgress<double> progress)
{
var availablePackages = await InstallationManager.GetAvailablePackagesWithoutRegistrationInfo(CancellationToken.None).ConfigureAwait(false);
var version = InstallationManager.GetLatestCompatibleVersion(availablePackages, ApplicationUpdatePackageName, ConfigurationManager.CommonConfiguration.SystemUpdateLevel);
return version != null ? new CheckForUpdateResult { AvailableVersion = version.version, IsUpdateAvailable = version.version > ApplicationVersion, Package = version } :
new CheckForUpdateResult { AvailableVersion = ApplicationVersion, IsUpdateAvailable = false };
}
/// <summary>
/// Gets the name of the application update package.
/// </summary>
/// <value>The name of the application update package.</value>
protected abstract string ApplicationUpdatePackageName { get; }
/// <summary>
/// Updates the application.