private Type GetParentType(EFBase parent)
{
// parent might be inside a dynamic proxy assembly; need to convert
return typeof(EFBase).Assembly.GetType($"{typeof(EFBase).Namespace}.{parent.GetType().Name.StripEnd()}");
}
public static List<EFBase> GetForeignKeyList(EFBase ancestor, PropertyInfo fkPropertyInfo)
{
IEnumerable col = null;
string collectionPropertyName = fkPropertyInfo.Pluralize();
foreach (var pi in GetPrimaryKeys(ancestor.GetType()).Where(pi => pi.Name != "Id").Reverse())
{
string ancestorPropertyName = pi.Name.StripEnd();
ancestor = ancestor.LoadReference(ancestorPropertyName);
var colPropertyInfo = ancestor.GetType().GetProperty(collectionPropertyName);
if (colPropertyInfo != null)
{
col = (IEnumerable)colPropertyInfo.GetValue(ancestor);
if (col == null)
col = ancestor.LoadCollection(collectionPropertyName);
break;
}
}
return col.Cast<EFBase>().ToList();
}
private EFBase GetParent()
{
EFBase parent = null;
if (Collection != null)
{
var fi = collection.GetType().GetField("Parent");
if (fi != null)
parent = (EFBase)fi.GetValue(collection);
}
if (parent == null)
{
if (ParentType != null && ParentKeys.Any())
{
var parentCollection = (IEnumerable)ParentType.GetProperty("Collection", BindingFlags.Static | BindingFlags.Public | BindingFlags.FlattenHierarchy).GetValue(null, null);
parent = (EFBase)parentCollection.GetType().GetMethod("Item").Invoke(parentCollection, new object[] { ParentKeys["Id"] });
}
}
return parent;
}
