private List <Item> CreatePlaceholderItems(IEnumerable <Placeholder> placeholders)
{
var placeholdersFolderItem = _db.GetItem(_app.PlaceholdersPath);
var placeholdersTemplate = _db.GetItem(Sitecore.JavaScriptServices.Core.TemplateIDs.PlaceholderSetting);
// placeholdersInPlay is essentially a collection of all placeholders that are mentioned at least once
// in any of the imported layouts, whether it's a preexisting placeholder item or a newly created one.
var placeholdersInPlay = new List <Item>();
foreach (var placeholder in placeholders)
{
if (placeholdersFolderItem.Axes.GetDescendants().Any(x => x["Placeholder Key"] == placeholder.Key))
{
placeholdersInPlay.Add(placeholdersFolderItem.Axes.GetDescendants().Where(x => x["Placeholder Key"] == placeholder.Key).First());
continue;
}
var calculatedId = _idManager.GetPredictableId(_app.Name, placeholder.Name, "layout-placeholders");
_idManager.AssertIdIsUnused(calculatedId, string.Format("placeholder setting {0}", placeholder.Name));
var newPlaceholderItem = placeholdersFolderItem.Add(placeholder.Name, placeholdersTemplate, calculatedId);
newPlaceholderItem.Editing.BeginEdit();
newPlaceholderItem["Placeholder Key"] = placeholder.Key;
newPlaceholderItem.Editing.EndEdit();
placeholdersInPlay.Add(newPlaceholderItem);
}
return(placeholdersInPlay);
}
