/// <summary>
/// Removes relation between DynamicModel item and relatedItem by field name
/// </summary>
/// <param name="item">Current Dynamic Content Object</param>
/// <param name="relatedItem">Related Dynamic Content Object</param>
/// <param name="fieldName">Name of the string field</param>
public static void DeleteRelation(this DynamicModel item, DynamicModel relatedItem, string fieldName)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
else if (relatedItem == null)
{
throw new ArgumentException("relatedItem");
}
if (fieldName != null)
{
var sfContent = item.ToSitefinityModel();
var sfRelatedContent = relatedItem.ToSitefinityModel(false);
if (sfContent.DoesFieldExist(fieldName))
{
DynamicModuleManager manager = DynamicModuleManager.GetManager();
sfContent.DeleteRelation(sfRelatedContent, fieldName);
manager.Lifecycle.Publish(sfContent);
manager.SaveChanges();
}
}
}
/// <summary>
/// Gets related Dynamic Models for a given field name
/// </summary>
/// <typeparam name="T">The content type.</typeparam>
/// <param name="item">Current Dynamic Content Object</param>
/// <param name="fieldName">Name of the string field</param>
public static List <T> GetRelated <T>(this DynamicModel item, string fieldName)
where T : DynamicModel, new()
{
if (item == null)
{
throw new ArgumentNullException("item");
}
if (fieldName != null)
{
var sfContent = item.ToSitefinityModel();
if (sfContent.DoesFieldExist(fieldName))
{
var items = sfContent.GetRelatedItems <DynamicContent>(fieldName)
.Select(i => (T)Activator.CreateInstance(typeof(T), i))
.ToList();
return(items);
}
}
return(null);
}