/// <summary>Creates a version of the item. This must be called before the item item is modified to save a version before modifications.</summary>
/// <param name="item">The item to create a old version of.</param>
/// <returns>The old version.</returns>
public virtual ContentItem SaveVersion(ContentItem item)
{
CancellableItemEventArgs args = new CancellableItemEventArgs(item);
if (ItemSavingVersion != null)
{
ItemSavingVersion.Invoke(this, args);
}
if (!args.Cancel)
{
item = args.AffectedItem;
ContentItem oldVersion = item.Clone(false);
if (item.State == ContentState.Published)
{
stateChanger.ChangeTo(oldVersion, ContentState.Unpublished);
}
else
{
stateChanger.ChangeTo(oldVersion, ContentState.Draft);
}
oldVersion.Expires = Utility.CurrentTime().AddSeconds(-1);
oldVersion.Updated = Utility.CurrentTime().AddSeconds(-1);
oldVersion.Parent = null;
oldVersion.VersionOf = item;
if (item.Parent != null)
{
oldVersion["ParentID"] = item.Parent.ID;
}
itemRepository.SaveOrUpdate(oldVersion);
if (ItemSavedVersion != null)
{
ItemSavedVersion.Invoke(this, new ItemEventArgs(oldVersion));
}
TrimVersionCountTo(item, maximumVersionsPerItem);
return(oldVersion);
}
return(null);
}
/// <summary>Creates a version of the item. This must be called before the item item is modified to save a version before modifications.</summary>
/// <param name="item">The item to create a old version of.</param>
/// <returns>The old version.</returns>
public virtual ContentItem AddVersion(ContentItem item, bool asPreviousVersion = true)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
CancellableItemEventArgs args = new CancellableItemEventArgs(item);
if (ItemSavingVersion != null)
{
ItemSavingVersion.Invoke(this, args);
}
if (args.Cancel)
{
return(null);
}
item = args.AffectedItem;
if (!item.IsPage)
{
var page = Find.ClosestPage(item);
if (page == null)
{
throw new InvalidOperationException("Cannot create version of part which isn't on a page: " + item);
}
var pageVersion = AddVersion(page, asPreviousVersion: asPreviousVersion);
var partVersion = pageVersion.FindPartVersion(item);
return(partVersion);
}
ContentItem version = item.CloneForVersioningRecursive(stateChanger, asPreviousVersion);
if (item.Parent != null)
{
version["ParentID"] = item.Parent.ID;
}
//ContentVersion savedVersion;
if (asPreviousVersion)
{
/*savedVersion = */ Repository.Save(version, asPreviousVersion);
item.VersionIndex = Repository.GetGreatestVersionIndex(item) + 1;
itemRepository.SaveOrUpdate(item);
}
else
{
version.VersionIndex = Repository.GetGreatestVersionIndex(item) + 1;
/*savedVersion = */ Repository.Save(version, asPreviousVersion);
}
if (ItemSavedVersion != null)
{
ItemSavedVersion.Invoke(this, new ItemEventArgs(version));
}
TrimVersionCountTo(item, maximumVersionsPerItem);
return(version); // Repository.DeserializeVersion(savedVersion);
}