public static UserSettingsUpgradeStep Create(Type settingsClass)
{
//Important: this line first so we can't get into infinite recursion issues with trying
//to migrate the UpgradeSettings class on first access (SettingsStoreSettingsProvider does that).
if (!ApplicationSettingsHelper.IsUserSettingsMigrationEnabled(settingsClass))
{
return(null);
}
if (!new SettingsGroupDescriptor(settingsClass).HasUserScopedSettings)
{
return(null); //no point
}
if (!UpgradeSettings.IsUserUpgradeEnabled())
{
return(null);
}
if (UpgradeSettings.Default.IsUserUpgradeStepCompleted(settingsClass.FullName))
{
return(null);
}
ApplicationSettingsBase settings = ApplicationSettingsHelper.GetSettingsClassInstance(settingsClass);
return(new UserSettingsUpgradeStep(settings));
}
public ICollection <UserUpgradeStep> CreateSteps()
{
var upgradeSteps = new List <UserUpgradeStep>();
if (UpgradeSettings.IsUserUpgradeEnabled())
{
foreach (var group in SettingsGroupDescriptor.ListInstalledSettingsGroups())
{
try
{
UserSettingsUpgradeStep step = UserSettingsUpgradeStep.Create(group);
if (step != null)
{
upgradeSteps.Add(step);
}
}
catch (Exception e)
{
Platform.Log(LogLevel.Warn, e, "Unable to migrate user settings: {0}", group.Name);
}
}
}
return(upgradeSteps);
}
public static IUserUpgradeStrategy Create()
{
if (!UpgradeSettings.IsUserUpgradeEnabled())
{
return(null);
}
ICollection <UserUpgradeStep> steps = UserUpgradeStep.CreateAll();
if (steps.Count == 0)
{
return(null);
}
return(new UserUpgradeStrategy(steps));
}
public bool Run()
{
UpgradeSettings.CheckUserUpgradeEnabled();
if (IsInProgress || IsCompleted)
{
return(false);
}
StepsInProgress.Push(Identifier);
try
{
bool success = PerformUpgrade();
OnCompleted();
return(success);
}
finally
{
StepsInProgress.Pop();
}
}