public bool CanBeRemovedFromHead([NotNull] ID itemId)
{
Assert.ArgumentNotNull(itemId, nameof(itemId));
var dataManager = Database.DataManager;
if (HeadProvider.GetItemDefinition(itemId, new CallContext(dataManager, 1)) == null)
{
return(false);
}
if (ReadOnlyProviders.All(x => x.GetItemDefinition(itemId) == null))
{
return(false);
}
var itemDefinition = new ItemDefinition(itemId, string.Empty, ID.Undefined, ID.Undefined);
foreach (VersionUri version in GetItemVersions(itemDefinition, new CallContext(dataManager, 1)))
{
var versionUri = new VersionUri(version.Language, version.Version);
var actualFields = HeadProvider.GetItemFields(itemDefinition, versionUri, new CallContext(dataManager, 1));
var defaultFields = ReadOnlyProviders.FirstNotNull(x => x.GetItemFields(itemDefinition, versionUri));
if (actualFields?.Count != defaultFields?.Count)
{
return(false);
}
foreach (var i in actualFields.FieldValues.Keys.Cast <ID>())
{
if (
!defaultFields.FieldValues.Contains(i) ||
actualFields[i] != defaultFields[i] ||
false)
{
return(false);
}
}
foreach (var i in defaultFields.FieldValues.Keys.Cast <ID>())
{
if (
!actualFields.FieldValues.Contains(i) ||
actualFields[i] != defaultFields[i] ||
false)
{
return(false);
}
}
}
return(true);
}
/* Items.ItemData part of DataProvider */
public override FieldList GetItemFields(ItemDefinition itemDefinition, VersionUri versionUri, CallContext context)
{
#if DEBUG
var timer = Stopwatch.StartNew();
#endif
var itemFields = HeadProvider.GetItemFields(itemDefinition, versionUri, context)
?? ReadOnlyProviders.FirstNotNull(x => x.GetItemFields(itemDefinition, versionUri));
// do not print fields
#if DEBUG
this.Trace(null, timer, itemDefinition, versionUri, context);
#endif
return(itemFields);
}