protected virtual DalMergeOperationResult <V> MergeList(List <V> items, Expression <Func <T, bool> > predicate,
bool mergeSubItems = true)
{
var result = new DalMergeOperationResult <V>();
using (var s = CreateStrategy())
{
var entities = s.GetQuery(predicate).ToList();
foreach (var entity in entities)
{
var oldValue = new V();
CopyDataToModel(entity, oldValue);
result.OldValues.Add(oldValue);
}
var dictinary = new Dictionary <V, T>();
foreach (var item in items)
{
var entity = entities.Where(MatchItems(item)).FirstOrDefault();
if (entity == null)
{
entity = new T();
s.Add(entity);
}
dictinary[item] = entity;
CopyModelToData(entity, item);
}
var deletedEntities = entities.Where(NotMatchItems(items)).ToList();
foreach (var entity in deletedEntities)
{
DeleteAllSubItems(entity);
s.Delete(entity);
}
result.Success = s.SubmitChanges();
foreach (var pair in dictinary)
{
var item = pair.Key;
var entity = pair.Value;
CopyDataToModel(entity, item);
}
}
if (mergeSubItems)
{
foreach (var item in items)
{
MergeSubItems(item);
}
}
return(result);
}
protected virtual DalMergeOperationResult <V> MergeList(List <V> items, Expression <Func <T, bool> > predicate,
bool useModelCulture = false, bool mergeSubItems = true)
{
var result = new DalMergeOperationResult <V>();
using (var s = CreateStrategy())
{
var entities = GetJoinedQuery(s, predicate, true).ToList();
foreach (var entity in entities)
{
var oldValue = new V();
CopyDataToModel(entity, oldValue);
result.OldValues.Add(oldValue);
}
var dictinary = new Dictionary <V, JoinedItem <T, TT> >();
foreach (var item in items)
{
var entity = entities.Where(MatchItems(item)).FirstOrDefault();
if (entity == null)
{
entity = new JoinedItem <T, TT>();
entity.ItemTranslation = null;
s.Add(entity.Item);
}
dictinary[item] = entity;
CopyModelToItem(entity, item);
}
result.Success = s.SubmitChanges();
foreach (var pair in dictinary)
{
var item = pair.Key;
var entity = pair.Value;
var createTrans = false;
if (entity.ItemTranslation == null)
{
createTrans = true;
entity.ItemTranslation = new TT();
}
CopyModelToTrans(entity, item);
UpdateTransCulture(entity.ItemTranslation, item as ILocalizableModel, useModelCulture);
if (createTrans && HasTranslation(entity.ItemTranslation))
{
s.AddEntity(entity.ItemTranslation);
}
}
var deletedEntities = entities.Where(NotMatchItems(items)).ToList();
foreach (var entity in deletedEntities)
{
DeleteAllSubItems(entity.Item);
s.Delete(entity.Item);
}
result.Success &= s.SubmitChanges();
foreach (var pair in dictinary)
{
var item = pair.Key;
var entity = pair.Value;
CopyDataToModel(entity, item);
}
}
if (mergeSubItems)
{
foreach (var item in items)
{
MergeSubItems(item);
}
}
return(result);
}