private string GetSnippet(LoadOldItemsInfo info)
{
return string.Format(
@"var updatedIdsList = updatedNew.Select(item => item.ID).ToList();
var deletedIdsList = deletedIds.Select(item => item.ID).ToList();
var updatedOld = Filter(Query(), updatedIdsList).Select(item => new {{ item.ID{0} }}).ToList();
var deletedOld = Filter(Query(), deletedIdsList).Select(item => new {{ item.ID{0} }}).ToList();
Rhetos.Utilities.Graph.SortByGivenOrder(updatedOld, updatedIdsList, item => item.ID);
Rhetos.Utilities.Graph.SortByGivenOrder(deletedOld, deletedIdsList, item => item.ID);
",
SelectPropertiesTag.Evaluate(info));
}
public IEnumerable <IConceptInfo> CreateNewConcepts(ModificationTimeOfInfo conceptInfo, IDslModel existingConcepts)
{
if (!(conceptInfo.Property.DataStructure is EntityInfo))
{
throw new DslSyntaxException(conceptInfo, $"{conceptInfo.GetKeywordOrTypeName()} can only be used on an Entity, " +
$"not on {conceptInfo.Property.DataStructure.GetUserDescription()}.");
}
var saveMethod = new SaveMethodInfo {
Entity = (EntityInfo)conceptInfo.Property.DataStructure
};
var loadOldItems = new LoadOldItemsInfo {
SaveMethod = saveMethod
};
return(new IConceptInfo[]
{
saveMethod,
loadOldItems,
new LoadOldItemsTakeInfo {
LoadOldItems = loadOldItems, Path = conceptInfo.ModifiedProperty.GetSimplePropertyName()
}
});
}
