public static void FillResultRelatedItems(string entityTypeName, ResultSerialData resultSerialData, string[] expand, DataContext dataContext, MetadataSrv.Metadata metadataSrv)
{
if (expand != null && expand.Length > 0 && resultSerialData.Items != null && resultSerialData.Items.Count() > 0)
{
var splitExpand = DataUtils.SplitExpand(expand, (el) => el);
foreach (var branch in DataUtils.NavigationBranch(splitExpand))
{
var navs = DataUtils.BranchToNavigation(entityTypeName, branch, metadataSrv);
var lastNav = navs[navs.Count - 1];
var rootEntityTypeName = string.Empty;
IEnumerable <Dto> rootItems;
if (branch.Length == 1)
{
rootEntityTypeName = entityTypeName;
rootItems = resultSerialData.Items;
}
else
{
rootEntityTypeName = navs[navs.Count - 2].EntityTypeName;
rootItems = resultSerialData.RelatedItems[rootEntityTypeName];
}
var navigationPropertyName = branch[branch.Length - 1];
var entityTypeNameLocal = lastNav.EntityTypeName;
var relatedEntityItems = dataContext.GetRelatedEntities(rootEntityTypeName, rootItems, navigationPropertyName).ToList();
if (resultSerialData.RelatedItems == null)
{
resultSerialData.RelatedItems = new Dictionary <string, IEnumerable <Dto> >();
}
if (!resultSerialData.RelatedItems.ContainsKey(entityTypeNameLocal))
{
resultSerialData.RelatedItems[entityTypeNameLocal] = relatedEntityItems.Select(it => it.entity.dto);
}
else
{
var items = resultSerialData.RelatedItems[entityTypeNameLocal].ToList();
PushMultiIfNotThere(relatedEntityItems, items);
resultSerialData.RelatedItems[entityTypeNameLocal] = items;
}
}
}
}
