private static int ToggleFeatureInFeatureCollection(SPFeatureCollection features, Guid featureId, bool activate, bool force)
{
var featuresModifiedCounter = 0;
if (activate)
{
// activate feature
var feature = features.Add(featureId, force);
if (feature != null)
{
featuresModifiedCounter++;
}
}
else
{
// deactivate feature
var featuresActiveBefore = features.Count();
features.Remove(featureId, force);
if (featuresActiveBefore > features.Count)
{
featuresModifiedCounter++;
}
}
return(featuresModifiedCounter);
}
private static int ProcessSingleFeatureInFeatureCollection(Guid parentId, SPFeatureCollection features, Guid featureId, bool activate, bool force, out Exception exception)
{
exception = null;
var featuresModifiedCounter = 0;
if (features == null)
{
exception = new ArgumentNullException("feature collection was null");
return(featuresModifiedCounter);
}
try
{
if (activate)
{
// activate feature
var feature = features.Add(featureId, force);
if (feature != null)
{
featuresModifiedCounter++;
SingletonDb.Singleton.InMemoryDb.AddActivatedFeature(feature);
}
}
else
{
// deactivate feature
var featuresActiveBefore = features.Count();
features.Remove(featureId, force);
if (featuresActiveBefore > features.Count)
{
featuresModifiedCounter++;
SingletonDb.Singleton.InMemoryDb.RemoveDeactivatedFeature(featureId, parentId);
}
}
}
catch (Exception ex)
{
exception = ex;
}
return(featuresModifiedCounter);
}
/// <summary>
/// deactivate a feature
/// </summary>
/// <param name="features">collection of features</param>
/// <param name="featureId">feature ID of feature to handle</param>
/// <param name="force">with or without force</param>
/// <remarks>attention, might throw exception!</remarks>
private static void DeactivateFeatureInFeatureCollection(SPFeatureCollection features, Guid featureId, bool force)
{
var featuresActiveBefore = features.Count();
features.Remove(featureId, force);
if (!(featuresActiveBefore > features.Count))
{
var errMsg = string.Format("Feature '{0}' was not removed.", featureId);
if (!force)
{
errMsg += " You might want to try again with 'force' enabled.";
}
throw new ApplicationException(errMsg);
}
return;
}